CN101083722A - Lens-interchangeable digital camera - Google Patents
Lens-interchangeable digital camera Download PDFInfo
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- CN101083722A CN101083722A CN 200710104651 CN200710104651A CN101083722A CN 101083722 A CN101083722 A CN 101083722A CN 200710104651 CN200710104651 CN 200710104651 CN 200710104651 A CN200710104651 A CN 200710104651A CN 101083722 A CN101083722 A CN 101083722A
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Abstract
The invention provides a lens-interchangeable digital camera. The lens-interchangeable digital camera which is easy to use has a half reflecting mirror arranged in a shooting optical path, and is capable of displaying a live view, preventing a stain and damage of a half reflecting mirror. Under the status of displaying operation of electronic finder, when the detachment of the lens barrel (10) is detected by a detachable detection switch (259) (S25), the movable half mirror (201) is moved to a position retracted from the shooting optical path (S49), and when the attachment of the lens barrel (10) is detected (S51), the movable half reflecting mirror (201) is returned to a position inserted into a shooting optical path (S55). Further, under the status of displaying operation of electronic finder, when power-off operation of power switch (257) is detected (S27), the movable half mirror (201) is moved to a position retracted from the shooting optical path (S30).
Description
Technical field
The present invention relates to lens-interchangeable digital camera, it has so-called electronic viewfinder (viewfinder) function (being also referred to as the live view Presentation Function) that image that imaging apparatus is obtained shows in display unit as moving image.
Background technology
In existing digital camera, carry out the observation of shot object image by optical finder, but nearest digital camera mostly is and does not use optical finder, and has electronic viewfinder function, described electronic viewfinder function is as follows: by display unit such as LCD monitor the image that imaging apparatus obtained is shown continuously, be used for the observation of shot object image.
As above-mentioned digital camera with electronic viewfinder Presentation Function, a kind of lens-interchangeable digital camera is for example disclosed in patent documentation 1, it makes moving reflector when light path of photography is kept out of the way, make curtain type shutter (focal plane shutter) be in full-gear, thereby shot object image is imported in the imaging apparatus, will in LCD monitor, show continuously by the shot object image of such acquisition.
Patent documentation 1: TOHKEMY 2002-369042 communique
In addition, proposed a kind of like this digital camera in patent documentation 2: moving reflector is made of half anti-mirror, a part of having passed through the subject light beam of photographic optical system sees through half anti-mirror and arrives imaging apparatus, arrives phase difference AF transducer after other light beam is reflected.Utilize this structure, carrying out to carry out phase difference AF when electronic viewfinder shows.
Patent documentation 2: TOHKEMY 2002-6208 communique
But the structure that half anti-mirror is set in light path of photography that is proposed as patent documentation 2 is being applied under the situation of lens-interchangeable digital camera, probably can produce following problem.That is, in the situation of lens exchange type camera, when carrying out the phtographic lens replacing, dust can enter in the camera body sometimes, is attached on the half anti-mirror.Because these dust are when electronic viewfinder shows and the overlapping demonstration of shot object image, so be difficult to see clearly shot object image when the observation shot object image.In addition, because half anti-mirror is very thin, when the user will remove dust and when the mounting opening of camera body is inserted cleaning appliance, probably can accidentally injure, makes dirty, damage partly anti-mirror.
Summary of the invention
The present invention learns the lessons from this case, and purpose provides a kind of lens-interchangeable digital camera that half anti-mirror is set in light path of photography, and this lens-interchangeable digital camera can prevent to make dirty or damage half anti-mirror, and is easy to use.
The lens-interchangeable digital camera of a first aspect of the present invention, this lens-interchangeable digital camera can load and unload phtographic lens, lens-interchangeable digital camera comprises: reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through; Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path; Focus detection sensor under its situation in described reflection mirror component is in described light path, receives described reflection mirror component institute beam reflected, detects the focus condition of described phtographic lens; Imaging apparatus under its situation in described reflection mirror component is in described light path, receives the subject light beam that has seen through described reflection mirror component, exports the shot object image signal; Electronic viewfinder, it shows from the shot object image signal of described imaging apparatus output; And control circuit, it is when under the situation of the disassembling section of having carried out described phtographic lens under the state of the display action that carries out described electronic viewfinder, end the display action of described electronic viewfinder, and described reflection mirror component is kept out of the way to the light path of described phtographic lens.
The lens-interchangeable digital camera of a second aspect of the present invention, in above-mentioned lens-interchangeable digital camera, when having carried out being used to making described digital camera to enter under the situation of operation of non operating state under the state of the display action that is carrying out described electronic viewfinder, described control circuit is ended the display action of described electronic viewfinder, and described reflection mirror component is kept out of the way to the light path of described phtographic lens.
The lens-interchangeable digital camera of a third aspect of the present invention, in above-mentioned lens-interchangeable digital camera, carrying out making described digital camera to enter from non-action status under the situation of operation of operating state, if described phtographic lens is installed, then described control circuit enters in the light path of described phtographic lens described reflection mirror component, thereby makes described electronic viewfinder begin to carry out display action.
The lens-interchangeable digital camera of a fourth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, if described phtographic lens is reinstalled, then described control circuit turns back in the light path of described phtographic lens described reflection mirror component, thereby makes described electronic viewfinder restart to carry out display action.
The lens-interchangeable digital camera of a fifth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
The lens-interchangeable digital camera of a sixth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, under the situation of the operation of the pattern of having carried out changing described digital camera under the state of the display action that is carrying out described electronic viewfinder, described control circuit is ended the display action of described electronic viewfinder.
The lens-interchangeable digital camera of a seventh aspect of the present invention, in above-mentioned lens-interchangeable digital camera, the retreating position of described reflection mirror component is the position that is subjected to optical window that described reflection mirror component covers described focus detection sensor.
The lens-interchangeable digital camera of a eighth aspect of the present invention, this lens-interchangeable digital camera can load and unload phtographic lens, this lens-interchangeable digital camera comprises: reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through; Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path; Be subjected to optical sensor, under its situation in described reflection mirror component is in described light path, receive, export the shot object image signal through described reflection mirror component or by the subject light beam that described reflection mirror component reflected; And control circuit, it forbids the described signal output action that is subjected to optical sensor under the situation of the disassembling section of having carried out described phtographic lens, described reflection mirror component is moved to outside the light path of described phtographic lens.
The lens-interchangeable digital camera of a ninth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
The lens-interchangeable digital camera of a tenth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, carrying out being used to making described digital camera to enter under the situation of operation of non operating state, described control circuit is forbidden the described signal output action that is subjected to optical sensor, and described reflection mirror component is kept out of the way outside the light path of described phtographic lens.
The lens-interchangeable digital camera of a eleventh aspect of the present invention, in above-mentioned lens-interchangeable digital camera, carrying out making described digital camera to enter from non-action status under the situation of operation of operating state, if described phtographic lens is installed, then described control circuit enters in the light path of described phtographic lens described reflection mirror component, allows the described signal output action that is subjected to optical sensor.
The lens-interchangeable digital camera of a twelveth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, if described phtographic lens is reinstalled, then described control circuit turns back in the light path of described phtographic lens described reflection mirror component, allows the described signal output action that is subjected to optical sensor.
The lens-interchangeable digital camera of a thirteenth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, the described optical sensor that is subjected to is imaging apparatus or focus detection sensor.
The lens-interchangeable digital camera of a fourteenth aspect of the present invention, this lens-interchangeable digital camera can load and unload phtographic lens, this lens-interchangeable digital camera comprises: reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through; Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path; Be subjected to optical sensor, under its situation in described reflection mirror component is in described light path, receive, export the shot object image signal through described reflection mirror component or by the subject light beam that described reflection mirror component reflected; And control circuit, it makes described reflection mirror component be in the outer position of light path of described phtographic lens, and forbids the described action that is subjected to optical sensor under the state of having pulled down described phtographic lens.
The lens-interchangeable digital camera of a fifteenth aspect of the present invention, in above-mentioned lens-interchangeable digital camera, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
The lens-interchangeable digital camera of a sixteenth aspect of the present invention, this lens-interchangeable digital camera can load and unload phtographic lens, this lens-interchangeable digital camera comprises: reflection mirror component, it can debouch the light path of described phtographic lens, and has the characteristic that its part that makes incident light in light path the time sees through; And control part, it is under the situation of the disassembling section of having carried out described phtographic lens, described reflection mirror component is moved to the retreating position of regulation, and wherein, described retreating position is difficult to interfere with the position of described reflection mirror component for the foreign matter of invading from the opening of camera lens installation portion.
The control method of the lens-interchangeable digital camera of a seventeenth aspect of the present invention, this lens-interchangeable digital camera can be taken shot object image by light path that can debouch phtographic lens and the reflection mirror component with light transmission features, and according to this shot object image demonstration moving image, this control method comprises following step: if detect the situation of the disassembling section of having carried out described phtographic lens in the procedure for displaying of described moving image, then end described moving image and show, described reflection mirror component is moved to outside the light path of photography; And if detect the situation that described phtographic lens is reinstalled, described reflection mirror component is turned back in the light path of photography, restart to carry out described moving image and show.
Description of drawings
Fig. 1 is the stereoscopic figure that watches the digital camera of one embodiment of the present invention from the back side.
Fig. 2 is the integrally-built block diagram of electrical system that the digital camera of one embodiment of the present invention has been used in expression.
Fig. 3 is the movable partly stereogram of the modular construction of anti-mirror of expression one embodiment of the present invention.
Fig. 4 is the flow chart of the action that resets of power connection of expression one embodiment of the present invention.
Fig. 5 is the flow chart of the photography action of one embodiment of the present invention.
Fig. 6 is the diagrammatic sketch of structure of the loading and unloading sense switch of expression one embodiment of the present invention.
Embodiment
Below with reference to the accompanying drawings to using a preferred implementation that is suitable for digital camera of the present invention to describe.
Fig. 1 is the stereoscopic figure that sees the digital camera of embodiments of the present invention from the back side.
This camera constitutes by camera body 20 with as the lens barrel 10 of removable phtographic lens.Lens barrel 10 can carry out with respect to the mounting opening (not shown) of camera body 20 fronts freely loading and unloading.The subject light beam is through mounting opening, and the phtographic lens by being made of (with reference to Fig. 2) such as camera lens 101a in the lens barrel 10 and 101b is directed in camera body 20.In the present embodiment, lens barrel 10 and camera body 20 separately constitute, and are electrically connected by communication contact 300 (with reference to Fig. 2).In addition, by being arranged on the loading and unloading sense switch 259 (with reference to Fig. 2) on the camera body 20, can detect loading and unloading state (whether lens barrel 10 correctly is installed on the camera body 20, promptly whether will carry out disassembling section).
On camera body 20, be provided with shutter release button 21, pattern knob 22, mains switch bar 23 and control handle 24 etc.Second shutter release that shutter release button 21 has when the cameraman partly presses it first shutter release connected and connects when it is pressed entirely.By connecting this first shutter release (being called 1R hereinafter), camera carries out the photography warming-up exercises such as photometry of focus detection, phtographic lens focusing and subject brightness, by connecting second shutter release (being called 2R hereinafter), according to output, carry out the photography action of the view data of obtaining shot object image as the CCD (charge coupled device) 221 (with reference to Fig. 2) of imaging apparatus.
Be provided with back side LCD monitor 26, playback button 27, menu button 28, cross button 30, OK button 31 and view finder at the back side of camera body 20 and connect eye 33.Back side LCD monitor 26 is such display unit: show the effect of the electronic viewfinder of shot object image when having as observation, photography finishes the back playback and shows shot object image and show camera information or menu.Can carry out above-mentioned device shown and be not limited to liquid crystal.And, can constitute and can freely change angle with respect to camera body 20.It is a window that connect that are used to observe shot object image that view finder connects eye 33, and LCD monitor 29 in the view finder that will describe below portion is provided with within it connects eye 33 by this view finder and can observe shot object image.Playback button 27 is to be used for after photography, indicates the action button that shows the subject image that is write down in the LCD monitor 26 overleaf.According to the operation of playback button 27, after the view data of the subject of storing with compact models such as JPEG in following SDRAM 238 or recording medium 245 is decompressed, show in the LCD monitor 26 overleaf.
These shutter release buttons 21, mains switch bar 23, playback button 27, menu button 28, cross button 30 and OK button 31 all link with on/off switch.The signal that produces according to the operation of the action button of these and on/off switch interlock and functional units such as pattern knob 22 and control handle 24 is sent to the switch testing circuit 253 (with reference to Fig. 2) in the ASIC (Application Specific Intergrated Circuit, application-specific integrated circuit (ASIC)) 262.
According to the electrical system of Fig. 2, all formations are described below based on digital camera.Be provided with camera lens 101a and 101b that focusing and focus adjustment use and the aperture 103 that is used to regulate numerical aperture in the inside of lens barrel 10.Camera lens 101a and camera lens 101b drive by optical system driving mechanism 107, and aperture 103 is connected with aperture driving mechanism 109, to obtain driving.Optical system driving mechanism 107 is connected with camera lens CPU 111 respectively with aperture driving mechanism 109, and this camera lens CPU 111 is connected with camera body 20 by communication contact 300.Camera lens CPU 111 is devices of carrying out the control in the lens barrel 10, and its control optical system driving mechanism 107 is focused, zoom (zoom) drives, and controls aperture driving mechanism 109 simultaneously, thus the control f-number.
Be provided with movable speculum (being called movable half anti-mirror for convenience's sake) 201 in the reflection mirror case in camera body 20, this movable speculum 201 has the characteristic that the part in the light beam that passes camera lens 101a and 101b is seen through.
The mirror portion of being somebody's turn to do movable half anti-mirror is stretched by the extremely thin translucent curtain that with thickness is 20 μ m and is bonded in film reflecting mirror (pellicle mirror) that obtains on the carriage or the glass reflector formation that evaporation silver obtains on the thin glass plate below the 0.2mm.The reason that thin reflection mirror component is used in the movable half anti-mirror is because it can not make two afterimages that appearance can identify in the reverberation like this.
But this reflection mirror component is extremely thin, and therefore for example, finger waits and touches this reflection mirror component when the user changes camera lens, will be damaged easily.Therefore, importantly to make the user when changing camera lens, can not touch this reflection mirror component easily.
Movable half anti-mirror 201 can be that the axle of center on the paper vertical direction rotates with rotation axis 201a by moving reflector driving mechanism 215, is driven outside light path in the light path of photography of lens barrel 10 or drives in the export-oriented light path of light path.When movable half anti-mirror 201 is positioned at the position of spending with respect to the light path inclination 45 of camera lens 101a and 101b (solid line position), the part of subject light beam (for example 30%) is reflected, and is directed to the range finding/photometry sensor 217 (second is subjected to optical sensor) that is arranged on camera body 20 bottoms.In addition, the remainder of subject light beam (70%) sees through movable half anti-mirror 201 by the direction guiding towards CCD 221.And when the light path almost parallel of movable half anti-mirror 201 and camera lens 101a and 101b, when being in the retreating position (being the position of double dot dash line in Fig. 2) that does not block the subject light beam, the subject light beam all is directed to CCD 221.
Hereinafter the structure of this movable half anti-mirror 201 is described according to Fig. 3.And, in the present embodiment,, be not limited to this though the center of rotation of movable half anti-mirror 201 is positioned at the downside of reflection mirror case, also can be positioned at upside, the either side center of rotation parallel about perhaps being with paper.
Reflection mirror case bottom in camera body 20 is provided with range finding/photometry sensor 217 on the position of guiding by movable half anti-mirror 201 beam reflected.This range finding/photometry sensor 217 is made of the transducer and the photometry sensor of range finding usefulness, and photometry sensor carries out photometry by cutting apart shot object image the photometry element of cutting apart constitutes more.In addition, distance measuring sensor is to be used for the focus detection sensor of finding range by the TTL phase difference method.The output of range finding/photometry sensor 217 is sent to range finding/photometry treatment circuit 219.Range finding/photometry treatment circuit 219 is exported the evaluation light value according to the output of photometry sensor, and according to the output of distance measuring sensor, measures the focus deviation of the shot object image that forms by camera lens 101a and 101b.And distance measuring sensor and photometry sensor can separately constitute, and also can constitute one.
On the light path of photography on the optical axis back of movable half anti-mirror 201, camera lens 101a and 101b, be provided with the curtain type shutter 203 that the shading of time for exposure control and CCD 221 is used, this shutter 203 carries out drive controlling by fast door drive mechanism 213.Be provided with dustproof filter 205 in the back of shutter 203, it is used to prevent cause the shadow of dust to be photographed shot object image on CCD 221 or the optical element owing to dust that the mounting opening of camera body 20 or body interior produce is attached to, thereby is difficult to see clearly shot object image.Whole or part at dustproof filter 205 circumferences is fixed with piezoelectric element 207, and this piezoelectric element 207 is connected with dustproof filter drive circuit 211, drives by this circuit.Piezoelectric element 207 is by dustproof filter drive circuit 211, drives dustproof filter 205 and its ultrasonic wave with regulation is vibrated, and utilizes this vibration to remove to be attached to the dust of dustproof filter 205 fronts.In addition, as long as can remove imaging apparatus such as CCD on one's body from or be arranged on the method for dust accompanying on the optical element of imaging apparatus front, just be not limited to as present embodiment, utilize the method for ultrasonic vibration, certainly suitably replace to and utilize air pump etc. to blow away the method for dust, perhaps utilize static focus and remove the whole bag of tricks such as method of dust by air stream.
Back at dustproof filter 205 is provided with the infrared cutoff filter 209 that is used to clip the intrafascicular infrared light composition of object light, is provided with in these filter 209 back to be used for from the intrafascicular optical low-pass filter 210 of removing radio-frequency component of object light.Then, be provided with the CCD 221 (first is subjected to optical sensor) as imaging apparatus in the back of optical low-pass filter 210, it carries out opto-electronic conversion to the shot object image that forms by camera lens 101a and 101b, converts the signal of telecommunication to.These dustproof filters 205, infrared cutoff filter 209, optical low-pass filter 210 and CCD 221 all are incorporated in the packaging body of not shown sealing, are constructed such that dust can not enter in this packaging body.And, though adopt CCD in the present embodiment, be not limited to this as imaging apparatus, certainly use CMOS two-dimentional imaging apparatuss such as (Complementary Metal Oxide Semiconductor, CMOS (Complementary Metal Oxide Semiconductor)).
The main body CPU 229 that is connected with data/address bus 261 is control device of the action of this digital camera of control.In addition, the compressed and decompressed circuit 231 that is connected with data/address bus 261 is to be used for the view data of the SDRAM 238 storage circuit with JPEG or tiff format compression.And image compression is not limited to JPEG or TIFF, also can adopt other compression method.The video signal output circuit 233 that is connected with data/address bus 261 by LCD monitor drive circuit 235 be connected as LCD monitor 29 (abbreviating LCD monitor in the F among the figure as) in the back side LCD monitor 26 of the display unit of electronic viewfinder and the view finder.Video signal output circuit 233 is to be used for view data with 245 storages of SDRAM 238 or recording medium to convert the circuit that is used for LCD monitor 29 video signal displayed in LCD monitor 26 overleaf and/or the view finder to.Though back side LCD monitor 26 is arranged on the back side of camera body 20, as long as the cameraman can observable position, be not limited to the back side, and to be not limited to be liquid crystal, can be other display unit.LCD monitor 29 is arranged on the cameraman and can connects the position that eye 33 is observed by view finder in the view finder, and the same with back side LCD monitor 26, being not limited to is liquid crystal, can be other display unit.And, as the usefulness of the observation of shot object image, can only use back side LCD monitor 26, omit view finder and connect LCD monitor 29 in eye 33 and the view finder.
SDRAM 238 is connected with data/address bus 261 by SDRAM control circuit 237, and this SDRAM 238 is used for temporarily storing by image processing circuit 227 having carried out the view data of image processing or the buffer memory of the view data compressed by compressed and decompressed circuit 231.The imput output circuit 239 that is connected with above-mentioned dustproof filter drive circuit 211, fast door drive mechanism 213, moving reflector driving mechanism 215, range finding/photometry treatment circuit 219, imaging apparatus drive circuit 223 is by the data input and output between each circuit such as data/address bus 261 controls and main body CPU 229.The telecommunication circuit 241 that is connected with camera lens CPU 111 by communication contact 300 is connected with data/address bus 261, carries out communicating by letter of exchanges data or control command with main body CPU 229 grades.
The recording medium control circuit 243 that is connected with data/address bus 261 is connected with recording medium 245, and control is to the record of the view data of this recording medium 245 etc.This recording medium 245 is card forms, can freely load and unload camera body 20.Also can be connected with other mini-hard disk unit or wireless communication unit.
The flash memory control circuit 247 that is connected with data/address bus 261 is connected with flash memory (Flash Memory) 249, and this flash memory 249 has been stored the program of the flow process that is used to control camera, and main body CPU 229 controls digital camera according to program stored in this flash memory 249.And flash memory 249 is can the electric nonvolatile memory that rewrites.
The mains switch 257 that the mains switch bar of supplying with the power supply that is used to control camera body 20 or lens barrel 10 23 is switched on or switched off in linkage, detect first stroke of shutter release button 21 or the switch of second stroke, switch with playback button 27 interlocks that are used to indicate replay mode, switch with the cross button that moves 30 interlocks of instructs cursor on the picture that is used for LCD monitor 26 overleaf, switch with pattern knob 22 interlocks that are used to indicate photograph mode, OK switch with OK button 31 interlocks that are used for determining selected various patterns etc., various switches 255 such as loading and unloading sense switch 259 are connected with data/address bus 261 by switch testing circuit 253.And, will describe the structure of loading and unloading sense switch 259 according to Fig. 6 hereinafter.
Below according to Fig. 3 to the driving means of movable half anti-mirror 201 and keep out of the way means and describe.Make a subject light beam part see through and make half anti-mirror 401 of part reflection to keep by reflection picture frame 403.This reflection picture frame 403 can rotate automatically around the axle 411 that is inserted among the 403a of hole, and the rotation axis 201a of Fig. 2 becomes the central shaft of axle 411.The pin 409 that is fixed on the camera body 20 engage the two ends that split ring 407 is arranged respectively with inlaying to be arranged between the drive pin 405 of reflection on the picture frame 403, and the coiler part of this split ring 407 is around twisting on spools 411.By the elastic force of this split ring 407, exert pressure to reflection picture frame 403 with counter clockwise direction (arrow A direction) in scheming.Drive pin 405 engages with an end of buckle bar 413, and the cam pin 415 of inlaying the other end that is arranged on this buckle bar 413 is connected with cam 417 with speculum.
The center of rotation of buckle bar 413 is supported on the unshowned reflection mirror case by axle, exerts pressure to it with counter clockwise direction (arrow B direction) in scheming by the elastic force of split ring 407 via drive pin 405.Therefore, the cam pin 415 of buckle bar 413 is crimped on speculum with on the cam surface of cam 417.Speculum forms its variable-length on the radial direction of distance center of rotation with the cam surface of cam 417.That is, form the snapped-in position 417a place that makes on cam surface, the distance of itself and center of rotation is longer, removes 417b place, position at buckle, and the distance of comparing itself and center of rotation with snapped-in position 417a is shorter.Therefore, form to be rotated counterclockwise direction in scheming and remove the cam surface that has differential 417c the 417b of position from snapped-in position 417a to buckle, form from buckle releasing position 417b to snapped-in position 417a the cam surface of displacement smoothly.
Because when speculum was in position with cam pin 415 butts with the snapped-in position 417a of cam 417, the arrow B direction of buckle bar 413 was rotated owing to speculum is restricted with cam 417, remains on the reflection position so will reflect picture frame 403.From this state, when through differential 417c, when buckle was removed position 417b and is in position with cam pin 415 butts, speculum rotated with clockwise direction in scheming with cam 417, and buckle bar 413 can be rotated towards the arrow B direction.Therefore, by the pressure of split ring 407, reflection picture frame 403 rotates towards the arrow A direction, moves to retreating position.And speculum is rotated by not shown motor-driven with cam 417.
Because movable half anti-mirror 201 constitutes like this, therefore when cam pin 415 is extremely removed position 417b position contacting with buckle by not shown motor-driven, reflection picture frame 403 and buckle bar 413 are by the pressure of split ring 407, rotate the retreating position shown in the double dot dash line that reflection picture frame 403 arrives among the figure with the arrow B direction.In this state, when making speculum make snapped-in position 417a be in by motor with cam pin 415 position contacting with cam 417 rotations, buckle bar 413 (the contrary direction of arrow B direction) in a clockwise direction rotates, reflection picture frame 403 is by the pressure of drive pin 405 antagonism split rings 407, (the contrary direction of arrow A direction) rotates in a clockwise direction, arrives the reflection position shown in the solid line among the figure.
And, above-mentioned retreating position if under the state that lens barrel 10 is disassembled the user still can't directly to touch the position of mirror surface then better.
Fig. 6 shows the block diagram that is used to detect camera body 20 and the structure of the loading and unloading sense switch 259 of the loading and unloading state of lens barrel 10.What be located at camera body 20 is used to install linkage pin 137 on the installation portion of lens barrel 10 by by the direction application of force of pressing spring 138 to stretch out from camera body 20.This linkage pin 137 contacts with camera lens loading and unloading switch 139 at an end of camera body side, and this camera lens loading and unloading switch 139 is applied in elastic force to open direction.The camera lens side installation portion of symbol 131 expression lens barrels 10.
Because loading and unloading sense switch 259 constitutes like this, therefore when lens barrel 10 was installed on the camera body 20, shown in Fig. 6 (A), linkage pin 137 was pressed into by left in figure by camera lens side installation portion 131, camera lens loading and unloading switch 139 is connected, and promptly loads and unloads sense switch 259 and connects.On the other hand, when carrying out lens barrel 10 from operation that camera body is dismantled, shown in Fig. 6 (B), when removing being pressed into of the linkage pin 137 that undertaken by camera lens side installation portion 131, linkage pin 137 is by pressing the pressure of pressing spring 138, right-hand stretching out in the figure, camera lens loading and unloading switch 139 disconnects, and promptly loads and unloads sense switch 259 and disconnects.And, the loading and unloading status detection of lens barrel 10 is not limited to the sense switch that present embodiment adopts machinery like that, it for example can be the photoelectric detection switch that adopts photoelectric sensing, perhaps also can be based on and camera lens CPU 111 between method for communicating, the whole bag of tricks such as detection method of the two point "on" position that contacts with lens barrel 10.
Action to the digital camera of an embodiment of the invention describes according to Fig. 4 and flow chart shown in Figure 5 below.Enter after the flow process that power connection as shown in Figure 4 resets, judge whether the mains switch 257 of camera body 20 connects (S1).In judged result is under the situation of mains switch 257 for disconnection, enters step S3, is in the sleep state (non operating state) of low power consumption state.Under this sleep state, only when being transferred to on-state, off-state just can shift to operating state at mains switch 257.Be transferred to after the operating state, the step after step S5 reaches is carried out the processing corresponding to the mains switch connection.On the other hand, judge under the situation of mains switch 257 for connection at step S1, remaining unchanged is transferred to operating state, judges the state of loading and unloading sense switch 259 in step S2, to determine whether to have dismantled lens barrel 10.Lens barrel 10 by the situation under camera body 20 dismounting under or correctly be not installed under the situation on the camera body 20, this loading and unloading sense switch 259 is in off-state.Be at this switch under the situation of off-state, will enter step S51 described below.On the other hand, judge loading and unloading sense switch 259 and be under the situation of on-state in step S2, the step after step S5 reaches is carried out the processing corresponding to the mains switch connection.
Movable half anti-mirror 201 is moved in light path of photography.Though at mains switch 257 is that movable half anti-mirror 201 is in from the position (the double dot dash line state Fig. 2) that light path of photography is kept out of the way under the state that disconnects, but on-state corresponding to mains switch 257, to guide to range finding/photometry sensor 217 from the subject light beam of lens barrel 10, to carry out photometry and range finding.Then the prevent dust dedusting action (S7) of filter 205.This is to utilize dustproof filter drive circuit 211 to apply driving voltage, remove the action of dust etc. like that by ultrasonic wave as previously described to being fixed to piezoelectric element 207 on the dustproof filter 205.
Then, carry out the opening action (S9) of shutter 203 by fast gate drive circuit 213.So the subject light beam that sees through movable half anti-mirror 201 is not blocked by shutter 203, therefore on CCD 221, form shot object image.Utilize the view data by these CCD 221 imagings, indication begins to carry out electronic viewfinder and shows that this electronic viewfinder is shown as overleaf and shows shot object image (S11) in the moving image mode on the LCD monitor 26.And, receive such beginning and indicate the back to carry out the control of electronic viewfinder display action by image processing circuit 227.
Then, read photograph mode by settings such as pattern knobs 22 and their photography conditions (S13) when information such as ISO photosensitivity, the shutter speed of manually setting or f-number is arranged.Then, measure subject brightness by range finding/photometry sensor 217, the calculation exposure amount utilizes this exposure to calculate exposure control values (S15) such as shutter speed or f-number according to photograph mode, photography conditions.In addition, utilize light value or exposure etc., carry out electronic viewfinder display setting (S17).In order to carry out the condition enactment with corresponding electronic shutter speed of the driving of CCD 221 and photosensitivity, in this step, utilize the photometry of being tried to achieve among the step S15, the result of calculation of exposure or the display image of last time, calculate and set, to show picture in the LCD monitor 29 in LCD monitor 26 and/or the view finder overleaf with suitable lightness (lightness).
Whether then enter step S19, be the judgement of replay mode.This replay mode is as follows: when playback button 27 was operated, the Still image data that is write down in the read-out recording medium 245 was presented in the interior LCD monitor 29 of back side LCD monitor 26 and/or view finder.In judged result is to have set under the situation of replay mode, enters step S31, and indicating image treatment circuit 227 stops electronic viewfinder and shows.After this, carry out the closing motion (S33) of shutter 203, the Still image data that is write down in the read-out recording medium 245 then, view data decompresses in compressed and decompressed circuit 231, by video signal output circuit 233 and LCD monitor drive circuit 235, resetting in the LCD monitor 29 in LCD monitor 26 and/or the view finder overleaf shows rest image (S35).Having carried out shutter release button 21 in the action of resetting is had under other manually operated situation by inferior by half, and the playback release is also returned step S7, repeats aforesaid action.
Return step S19, do not setting under the situation of replay mode, enter step S21, judge whether menu mode is set.This is to judge that whether menu button 28 is operated, and judges the process whether menu mode is set.In judged result is that situation about being set with replay mode is the same under the menu mode situation about being set, and the output electronic viewfinder shows stops indication (S37), to shutter 203 output out codes (S39).After this, carry out menu and set action (S41).Set action by menu, can carry out various setting actions such as white balance, the setting of ISO photosensitivity, drive pattern setting.Menu returns step S7 after setting release, repeats aforesaid action.
Returning step S21, is not set under the situation of menu mode in judged result, enters step S23, judges whether shutter release button 21 is partly pressed, and judges promptly whether the 1R switch is connected.When judged result is under the 1R situation about connecting, enter step S43, carry out the subprogram of photography action, photograph and prepare and photography.This subprogram will be elaborated according to Fig. 5 hereinafter.Return step S7 after the end of subroutine of photography action, repeat aforesaid action.
Returning step S23, is under the situation of 1R switch for disconnection in judged result, enters step S25, the same with step S2, judges whether loading and unloading sense switch 259 disconnects.When having carried out the disassembling section of lens barrel 10, the same with the step S31 and the S33 of replay mode, stop (forbidding) that the output electronic viewfinder shows indicates (S45), carries out the closing motion (S47) of shutter 203.That after this, carries out movable half anti-mirror 201 keeps out of the way action (S49).In keeping out of the way action, the same as described above, drive motors makes speculum rotate with cam 417, and the pressure by split ring 407 makes reflection picture frame 403 turn to retreating position (the double dot dash line position Fig. 2 and Fig. 3) from light path of photography.
Keeping out of the way after the release of movable half anti-mirror 201, perhaps judging loading and unloading sense switch 259 at step S2 is under the situation about disconnecting, and enters step S51, judges whether loading and unloading sense switch 259 is connected.In step S25, detect after the situation that lens barrel 10 broken away from, judge whether to have reinstalled lens barrel 10.In judged result is to have installed under the situation of lens barrel 10, enters step S55, and movable half anti-mirror 201 is resetted.This is with aforementioned the same, and drive motors makes speculum rotate with cam 417, and the pressure of antagonism split ring 407 rotates buckle bar 413 clockwise directions by cam surface, and reflection picture frame 403 is inserted in the light path of camera lens 101a and 101b.The homing action of movable half anti-mirror 201 returns step S7 after finishing, and repeats aforesaid action.
Returning step S51, is under the situation about disconnecting at loading and unloading sense switch 259, enters step S53, judges whether mains switch 257 is connected.Under the situation that lens barrel 10 breaks away from, mains switch 257 is connected, even various action button is operated, mounting opening is in and also still is in open mode, from preventing the viewpoint of malfunction, can not carry out the camera action.Therefore, enter wait state, the judgement of the judgement of the installment state of the lens barrel 10 among the repeating step S51 and the mode of operation of the mains switch bar 23 among the step S53.In step S53, when judging mains switch 257, return step S3 for disconnection, enter sleep state.And, in step S51, keeping under the situation of disengaged positions detecting lens barrel 10, the judgement that can omit step S53 enters step S3 and enters sleep state, perhaps also enters step S9, carries out the distortion such as action based on the operation of various action buttons.
Returning step S25, be loading and unloading sense switch 259 for connecting in judged result is that lens barrel 10 is installed under the situation on the camera body, enters step S27, judges whether mains switch 257 is connected.In judged result is under the situation about connecting, and returns step S13, repeats aforesaid step.In step S11, after electronic viewfinder shows beginning, as long as do not operate various action buttons etc. in the step after step S19 reaches, the subject light beam that then sees through movable half anti-mirror 201 is not just blocked by shutter 203, therefore form shot object image on CCD 221, the view data that photographs by this CCD 221 is shown as moving image by electronic viewfinder in the LCD monitor 29 in LCD monitor 26 and/or the view finder overleaf.Judge mains switch 257 under the situation about disconnecting in step S27, the same with step S31 and S33,227 indications stop electronic viewfinder demonstration (S28) to image processing circuit, carry out the closing motion (S29) of shutter 203.After this, S49 is the same with abovementioned steps, is carrying out keep out of the way (S30) after the action of movable half anti-mirror 201, returns step S3 and enters sleep state.
As mentioned above, in the present embodiment, in the digital camera that can carry out the electronic viewfinder demonstration, owing to when power connection, movable half anti-mirror 201 is inserted in the light path of photography, a subject light beam part is reflected to range finding/photometry sensor 217, so it is when power connection, can directly find range or photometry, thereby comparatively convenient.
In addition, in the program that power connection resets, when detecting lens barrel 10 disengagings (S25) by loading and unloading sense switch 259, make movable half anti-mirror 201 keep out of the way from light path of photography, in addition, detecting lens barrel 10 when having reinstalled (S51) by loading and unloading sense switch 259, making movable half anti-mirror 201 be inserted into action in the light path of photography.Therefore, be removed at lens barrel 10, when installation portion is in open mode,, keep out of the way state, therefore can not damage movable half anti-mirror 201 or stay fingerprint because movable half anti-mirror 201 is in even user etc. want to insert cleaning appliance etc. from mounting opening.
And, even lens barrel 10 is removed when power supply disconnects,, movable half anti-mirror 201 keeps out of the way state because being in, same, and can not wait and damage movable half anti-mirror 201 or stay fingerprint etc. by the user.When the power connection of camera,, range finding action or photometry action and electronic viewfinder display action are carried out side by side because movable half anti-mirror 201 is inserted in the light path of photography.
According to Fig. 5 the subprogram of the photography action of step S43 is described below.This subprogram is carried out when shutter release button 21 is partly pressed as previously mentioned.At first find range, automatic focusing (S71).Promptly, movable half anti-mirror 201 is inserted in the light path of photography, the part of subject light beam is reflected to range finding/photometry sensor 217, therefore range finding/photometry treatment circuit 219 or main body CPU229 etc. utilize this subject light beam to detect the focus deviation of camera lens 101a and 101b by the TTL phase difference method, camera lens CPU 111 is urged to focal position by optical system driving mechanism 107 with camera lens 101a and 101b according to this detected focus deviation.
Then calculate photometry/exposure (S73).This step is also by receiving the movable half tested distance/photometry sensor 217 of subject light beam that anti-mirror 201 reflected, and by range finding/photometry treatment circuit 219 it handled and to detect subject brightness BV.Main body CPU 229 utilizes this subject brightness BV to try to achieve exposure EV, further obtains corresponding to conditions of exposures such as the shutter speed of photograph mode etc. or apertures.
Judge then whether shutter release button 21 is pressed entirely, and promptly whether 2R connects (S75).In judged result is under the situation about disconnecting, and enters step S77, judges whether 1R connects.When shutter release button 21 is partly pressed, skip the subprogram of this photography action, and still be under the situation about partly being pressed, be in the wait state of carrying out the judgement of this step S75 and S77 repeatedly at shutter release button 21.When changing up a button 21,1R and disconnecting, return the step S9 that power connection resets when openhanded.
Returning step 75, is under the situation of 2R switch for connection in judged result, promptly under the situation that shutter release button 21 is pressed entirely, enters the shooting action of obtaining rest image.At first, in step S79, to the indication that stops of image processing circuit 227 output electronic viewfinders demonstrations.This is in order to prevent following situation: when obtaining rest image, because the shift action that movable half anti-mirror 201 moves to retreating position or the on-off action of shutter 203 etc., make the shot object image that enters into CCD 221 entanglement occur, in the LCD monitor 29, be difficult to see clearly the display image of electronic console in feasible LCD monitor 26 overleaf and/or the view finder.Then the same with step S49, that carries out movable half anti-mirror 201 keeps out of the way action (S81).
Then utilize camera lens CPU 111, carry out the retraction action of aperture 103 by aperture driving mechanism 109, till the f-number that in f-number that reaches setting or step S73, is calculated.After the retraction release, then carry out exposure actions (S85) by CCD 221.That is, movable half anti-mirror 201 has moved to retreating position, therefore passes through all imagings on CCD 221 of subject light beam of camera lens 101a and 101b.Under this state, resetting of the electronic shutter of releasing CCD 221 begins the electric charge accumulation of the opto-electronic conversion electric current of shot object image.Through manually set in advance or step S73 in after time for exposure of setting, the electronic shutter of CCD 221 stops the electric charge accumulation of photoelectric conversion signal.And, in the exposure actions of step S85,, be not limited to this though controlled the time for exposure by the electronic shutter of CCD 221, also can be by the 203 control time for exposure of shutter.In the case, before exposure actions begins, must temporarily make the preceding heavy curtain of shutter 203, back heavy curtain move to initial position.
Then carry out the closing motion (S87) of shutter 203, to the indication (S89) of the opening action of camera lens CPU 111 output apertures 103.Read out in the picture signal (S91) that the electric charge accumulation obtains on the CCD 221 then, carry out image processing (S93) by image processing circuit 227 grades.In compressed and decompressed circuit 231, carry out after Signal Compression etc. handles recording image data in recording medium 245 (S95).Record image data judges in step S97 whether the 1R switch is connected is whether shutter release button 21 is in half down state after finishing.If the 1R switch is the same with step S55 for disconnecting then enter step S97, carry out the homing action of movable half anti-mirror 201.Homing action returns the program that power connection resets after finishing.
In the subprogram that the photography of present embodiment is moved, when the shooting action of obtaining rest image, movable half anti-mirror 201 is kept out of the way.Therefore, the light quantity that sees through of movable half anti-mirror 201 does not reduce, and when obtaining rest image, the subject light quantity is increased, and can photograph with high-speed shutter speed.Then, after the release of making a video recording,, when therefore shutter release button 21 is partly pressed once more after photography, the step of photometry or range finding and electronic viewfinder demonstration are carried out side by side because movable half anti-mirror 201 is resetted.
In the present embodiment, the operating state of camera and non operating state are switched by mains switch 257.As variation, judging unit can be set, and it judges that when this mains switch 257 switches whether camera operation has carried out the stipulated time, does not carry out in camera operation under the situation of stipulated time, can be used as non operating state, movable half anti-mirror 201 is kept out of the way.Specifically, timer is set, it is operated various action buttons such as shutter release button 21, pattern knob 22, control handle 24, playback button 27, menu button 28, cross button 30 and OK button and resets, the effluxion of counting at this timer during the stipulated time, movable half anti-mirror that can execution in step S29 is kept out of the way action.
As shown above, in the present embodiment, in the digital camera that can carry out the electronic viewfinder demonstration, owing to when cameras work, make movable half anti-mirror 201 be inserted in the light path of photography and the part of subject light beam is reflected to range finding/photometry sensor 217, so when electronic viewfinder shows shutter release button 21 partly pressed, when 1R connects, the step and the electronic viewfinder demonstration of photometry or range finding are carried out side by side, thus comparatively convenient.
In addition, in the present embodiment, can set power supply by mains switch 257 disconnects and power connection, make between movable half insertion position of anti-mirror 201 in light path of photography and the retreating position outside the light path of photography mobile, owing to when power supply disconnects, make movable half anti-mirror 201 be in retreating position, so even the mounting opening from camera body is inserted cleaning appliance etc. when power supply disconnects, can not damage movable half anti-mirror 201 yet.In addition, owing to when power connection, make movable half retreating position of anti-mirror 201 outside light path of photography move to insertion position the light path of photography, so can directly carry out photometry or range finding.And, when entering non operating state, be not limited to mains switch and disconnect, can be that camera operation has been carried out situations such as stipulated time, as described previously.
And, in the present embodiment, when lens barrel 10 breaks away from, because movable half anti-mirror 201 moves to the outer retreating position of light path of photography, so, also can not damage movable half anti-mirror 201 even insert cleaning appliance etc. from the mounting opening of camera body.In addition, when lens barrel 10 is reinstalled on the camera body,,, photometry or range finding and electronic viewfinder carry out side by side so being shown because movable half anti-mirror 201 is inserted in the light path of photography.
And, in the present embodiment, though be CCD 221 as imaging apparatus receive movable half the seeing through light of anti-mirror 201 and find range/photometry sensor 217 receives the reverberation of movable half anti-mirror 201, but also can be in contrast, CCD 221 receives reverberation and finds range/and photometry sensor 217 receives and sees through light.In addition, the sleep state of low power consumption state has been described, but also can have comprised the power-off state of not power consumption fully as non operating state as non operating state.
In the present embodiment, as the device on the peristome that is installed in camera body 20 of the present invention lens barrel 10 has been described, but be not limited to this, for example can be the device that various devices such as bellows, telescoping tube have been installed, it be also passable to be installed in the device that the special camera on the various devices such as microscope, binocular is suitable in addition.Like this, the present invention is not limited to general digital camera, has that the digital camera that makes half anti-mirror expose the peristome of possibility externally can be suitable for so long as be equipped with.
Claims (17)
1. lens-interchangeable digital camera, this lens-interchangeable digital camera can load and unload phtographic lens, and this lens-interchangeable digital camera comprises:
Reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through;
Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path;
Focus detection sensor under its situation in described reflection mirror component is in described light path, receives described reflection mirror component institute beam reflected, detects the focus condition of described phtographic lens;
Imaging apparatus under its situation in described reflection mirror component is in described light path, receives the subject light beam that has seen through described reflection mirror component, exports the shot object image signal;
Electronic viewfinder, it shows from the shot object image signal of described imaging apparatus output; And
Control circuit, it is when under the situation of the disassembling section of having carried out described phtographic lens under the state of the display action that carries out described electronic viewfinder, end the display action of described electronic viewfinder, and described reflection mirror component is kept out of the way to the light path of described phtographic lens.
2. lens-interchangeable digital camera as claimed in claim 1, wherein, when having carried out being used to making described digital camera to enter under the situation of operation of non operating state under the state of the display action that is carrying out described electronic viewfinder, described control circuit is ended the display action of described electronic viewfinder, and described reflection mirror component is kept out of the way to the light path of described phtographic lens.
3. lens-interchangeable digital camera as claimed in claim 2, wherein, carrying out making described digital camera to enter from non-action status under the situation of operation of operating state, if described phtographic lens is installed, then described control circuit enters in the light path of described phtographic lens described reflection mirror component, thereby makes described electronic viewfinder begin to carry out display action.
4. lens-interchangeable digital camera as claimed in claim 1, wherein, if described phtographic lens is reinstalled, then described control circuit turns back in the light path of described phtographic lens described reflection mirror component, thereby makes described electronic viewfinder restart to carry out display action.
5. lens-interchangeable digital camera as claimed in claim 1, wherein, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
6. lens-interchangeable digital camera as claimed in claim 1, wherein, under the situation of the operation of the pattern of having carried out being used to changing described digital camera under the state of the display action that is carrying out described electronic viewfinder, described control circuit is ended the display action of described electronic viewfinder.
7. lens-interchangeable digital camera as claimed in claim 1, wherein, the retreating position of described reflection mirror component is the position that is subjected to optical window that described reflection mirror component covers described focus detection sensor.
8. lens-interchangeable digital camera, this lens-interchangeable digital camera can load and unload phtographic lens, and this lens-interchangeable digital camera comprises:
Reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through;
Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path;
Be subjected to optical sensor, under its situation in described reflection mirror component is in described light path, receive, export the shot object image signal through described reflection mirror component or by the subject light beam that described reflection mirror component reflected; And
Control circuit, it forbids the described signal output action that is subjected to optical sensor under the situation of the disassembling section of having carried out described phtographic lens, described reflection mirror component is moved to outside the light path of described phtographic lens.
9. lens-interchangeable digital camera as claimed in claim 8, wherein, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
10. lens-interchangeable digital camera as claimed in claim 8, wherein, carrying out being used to making described digital camera to enter under the situation of operation of non operating state, described control circuit is forbidden the described signal output action that is subjected to optical sensor, and described reflection mirror component is kept out of the way outside the light path of described phtographic lens.
11. lens-interchangeable digital camera as claimed in claim 10, wherein, carrying out making described digital camera to enter from non-action status under the situation of operation of operating state, if described phtographic lens is installed, then described control circuit enters in the light path of described phtographic lens described reflection mirror component, allows the described signal output action that is subjected to optical sensor.
12. lens-interchangeable digital camera as claimed in claim 10, wherein, if described phtographic lens is reinstalled, then described control circuit turns back in the light path of described phtographic lens described reflection mirror component, allows the described signal output action that is subjected to optical sensor.
13. lens-interchangeable digital camera as claimed in claim 8, wherein, the described optical sensor that is subjected to is imaging apparatus or focus detection sensor.
14. a lens-interchangeable digital camera, this lens-interchangeable digital camera can load and unload phtographic lens, and this lens-interchangeable digital camera comprises:
Reflection mirror component, it can debouch the light path of described phtographic lens, and the characteristic that has the part of its time reflection subject light beam in light path and the remainder of subject light beam is seen through;
Driving mechanism, it moves described reflection mirror component in the light path of described phtographic lens or outside the light path;
Be subjected to optical sensor, under its situation in described reflection mirror component is in described light path, receive, export the shot object image signal through described reflection mirror component or by the subject light beam that described reflection mirror component reflected; And
Control circuit, it makes described reflection mirror component be in the outer position of light path of described phtographic lens, and forbids the described action that is subjected to optical sensor under the state of having pulled down described phtographic lens.
15. lens-interchangeable digital camera as claimed in claim 14, wherein, described reflection mirror component is that film reflecting mirror or thickness are the following glass reflector of 0.2mm.
16. a lens-interchangeable digital camera, this lens-interchangeable digital camera can load and unload phtographic lens, and this lens-interchangeable digital camera comprises:
Reflection mirror component, it can debouch the light path of described phtographic lens, and has the characteristic that its part that makes incident light in light path the time sees through; And
Control part, it makes described reflection mirror component move to the retreating position of regulation under the situation of the disassembling section of having carried out described phtographic lens,
Wherein, described retreating position is difficult to interfere with the position of described reflection mirror component for the foreign matter of invading from the opening of camera lens installation portion.
17. the control method of a lens-interchangeable digital camera, this lens-interchangeable digital camera can be taken shot object image by light path that can debouch phtographic lens and the reflection mirror component with light transmission features, and according to this shot object image demonstration moving image, the control method of this lens-interchangeable digital camera comprises following step:
If in the procedure for displaying of described moving image, detect the situation of the disassembling section of having carried out described phtographic lens, then end described moving image and show, described reflection mirror component is moved to outside the light path of photography; And
If detect the situation that described phtographic lens is reinstalled, described reflection mirror component is turned back in the light path of photography, restart to carry out described moving image and show.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006150965 | 2006-05-31 | ||
| JP2006150966 | 2006-05-31 | ||
| JP2006150965A JP2007324794A (en) | 2006-05-31 | 2006-05-31 | Digital camera with interchangeable lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101083722A true CN101083722A (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710104651 Pending CN101083722A (en) | 2006-05-31 | 2007-05-28 | Lens-interchangeable digital camera |
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| Country | Link |
|---|---|
| JP (1) | JP2007324794A (en) |
| CN (1) | CN101083722A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460104A (en) * | 2011-03-25 | 2013-12-18 | 佳能株式会社 | Imaging device |
| CN103856706A (en) * | 2012-12-03 | 2014-06-11 | 北京大学 | Device for obtaining relevant information of additional image depth through light path obstructing mode |
| CN104427220A (en) * | 2013-08-27 | 2015-03-18 | 三星电子株式会社 | Digital imaging device and method of dismounting replaceable lens automatically |
| WO2023092385A1 (en) * | 2021-11-25 | 2023-06-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Optical member driving device and imaging device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2328017A4 (en) | 2008-09-10 | 2011-11-02 | Panasonic Corp | CAMERA HOUSING AND IMAGING DEVICE |
-
2006
- 2006-05-31 JP JP2006150965A patent/JP2007324794A/en active Pending
-
2007
- 2007-05-28 CN CN 200710104651 patent/CN101083722A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460104A (en) * | 2011-03-25 | 2013-12-18 | 佳能株式会社 | Imaging device |
| CN103460104B (en) * | 2011-03-25 | 2016-08-10 | 佳能株式会社 | Camera head |
| CN103856706A (en) * | 2012-12-03 | 2014-06-11 | 北京大学 | Device for obtaining relevant information of additional image depth through light path obstructing mode |
| CN104427220A (en) * | 2013-08-27 | 2015-03-18 | 三星电子株式会社 | Digital imaging device and method of dismounting replaceable lens automatically |
| WO2023092385A1 (en) * | 2021-11-25 | 2023-06-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Optical member driving device and imaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007324794A (en) | 2007-12-13 |
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