JPH07212629A - Image pickup device - Google Patents

Abstract

PURPOSE:To obtain the image pickup device with excellent operability without the need for two operations of extraction and then rotation by providing a mechanism rotating a shaft around an axis center simultaneously the shaft is moved in the axial direction. CONSTITUTION:In-the case of usual image pickup, a lens 20 of an image pickup device is set to the front side to pick up an image of a talker. When an object such as a document arranged in the vicinity of a side of a casing main body 1 is picked up, a handle 7 is gripped and a shaft 6 is extracted from a shaft container. In this case, when an engaged part of the shaft 6 with the main body 1 comes to a tilt part from a horizontal part of a cam groove 16, a rotating torque is produced to the shaft 16 and the lens 20 of the image pickup device is directed just downward. Thus, the shaft 6 is rotated by having only to extract the shaft 6 in the image pickup device container 6 from the shaft container 3 and the image pickup device container 5 is automatically directed to an object, then required expansion of the image pickup device is implemented by one operation and trouble of rotating the image pickup device container 5 is omitted and the operability is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographing device, and more particularly to an integrated photographing image receiving device used as a videophone or the like.

[0002]

14 to 16 are perspective views showing an example of a conventional videophone, in which a is an LCD or C.
A casing that houses an image receiving device b such as an RT monitor,
Reference numeral c is a slide portion accommodating portion integrally provided on the upper portion of the casing a. Reference numeral d denotes a photographing device storage unit that stores a photographing device such as a CCD camera, and the storage unit d is a slide unit e.
It is rotatably supported. The slide part e is housed in the housing part c so that it can be pulled out.

Next, the operation of the above-mentioned conventional integrated photographing image receiving apparatus will be described. At the time of normal shooting, as shown in FIG. 14, the slide part e is housed in the housing part c, and the lens f of the shooting device d is directed to the front to shoot the caller. When photographing an object such as a document placed on the surface on which the integrated image-taking and image-receiving device is placed, first, as shown in FIG. 15, the slide portion e is pulled out from the storage portion c, and then, as shown in FIG.
6, as shown in FIG.
The lens f is turned to face the subject g. In this case, for example, since the photographing device d recognizes the "positive" character of the subject g upside down, left and right, the photographing mode changeover switch (not shown) is activated when the slide portion e is pulled out, and the image signal is moved up and down. Through the left and right read control circuit, the vertical and horizontal directions of the video signal are reversed and transmitted to the partner station.

[0004]

Since the conventional integrated photographing and image receiving apparatus is constructed as described above, it has the following problems. That is, when the subject g such as a document is photographed, the slide portion e has to be temporarily pulled out from the storage portion c, and then the photographing device storage portion d must be rotated 90 ° downward with respect to the slide portion e. It is troublesome to operate, because you have to perform two operations of rotating after turning. In addition, if you want to rush the operation, these 2
It's difficult to make sure that each of the three movements is separated one by one,
There is a risk that the sliding part and the rotating part will be subjected to an unreasonable force, or they will be meshed and damaged, for example, if the rotating motion is started during the pulling-out operation.

The present invention has been made to solve the above problems, and an object of the present invention is to obtain a photographing apparatus excellent in operability.

[0006]

According to a first aspect of the present invention, there is provided a photographing apparatus provided with a mechanism for causing the axial movement of the shaft portion and the rotational movement of the shaft center at the same time.

According to the second aspect of the present invention, the handle is rotatably attached to the side surface of the photographing device housing.

According to a third aspect of the present invention, a cover is rotatably attached to the shaft portion, the cover is housed in the shaft housing portion so that the cover can be moved only in the horizontal direction, and a slit extending horizontally in the shaft housing portion. And a handle that projects through the slit to the front surface side of the shaft storage portion is fixed to the cover.

According to a fourth aspect of the present invention, there is provided a first actuator that reciprocates the shaft portion in the axial direction, a second actuator that rotates the shaft portion around the shaft, and these actuators are controlled to control the shaft portion to the shaft. The imaging device includes a control unit that rotates the shaft when the device is pulled out to the side from the storage unit.

According to a fifth aspect of the present invention, the photographing device has a zoom mechanism.

In the photographing apparatus according to the sixth aspect, the photographing device has an automatic focusing mechanism.

According to a seventh aspect of the present invention, there is provided an image pickup apparatus having a vertical inversion circuit for vertically inverting the image of the image pickup device when the shaft portion rotates.

[0013]

In the photographing apparatus according to the first aspect, when the shaft portion of the photographing device housing portion is pulled out from the shaft housing portion in the axial direction,
At the same time, they are rotated so that the imaging device is aimed at the subject. When the shaft portion is stored in the shaft storage portion, a reverse rotational movement is applied to the shaft portion so that the photographing device faces the front.

In the photographing apparatus according to the second aspect of the present invention, since the handle is rotatably attached to the side surface of the photographing device housing, the shaft portion can be pulled out by simply pulling the handle without rotating it. It can be rotated.

In the photographing apparatus of the third aspect, when the handle is moved to the photographing device storage portion side, the cover is pulled out together with the shaft portion from the shaft storage portion. At this time, a rotational movement is given to the shaft portion. When the shaft portion is stored in the shaft storage portion, the shaft portion is rotated in the opposite direction, so that the photographing device faces the front.

In the photographing apparatus of the fourth aspect, the actuator pushes the shaft portion out of the shaft housing portion, and the other actuator rotates the shaft downward by 90 °. When the shaft portion is stored in the shaft storage portion, the respective actuators perform the reverse operations.

In the photographing apparatus of the fifth aspect, a magnified image can be obtained by the zoom mechanism.

According to the photographing apparatus of claim 6, automatic focusing can be performed by the automatic focusing mechanism.

In the image taking apparatus according to the seventh aspect, the image of the image taking device can be turned upside down when the shaft portion is rotated.

[0020]

【Example】

Example 1. FIG. 1 is a perspective view showing an integrated photographing image receiving apparatus as an embodiment of the photographing apparatus of the present invention.
Is a casing main body for accommodating the image receiving device 2, 3 is a shaft accommodating portion integrally provided on the upper part of the casing main body 1, and an opening 4 is formed on the side thereof. Reference numeral 5 denotes a photographing device storage portion which is attached to a cylindrical shaft portion 6 and accommodates the photographing device 20, and a handle 7 is attached to the side surface of the photographing device storage portion so as to be rotatable around the axis. The shaft portion 6 is horizontally inserted through the opening 4 of the shaft housing portion 3 into the inside.

Reference numeral 8 denotes a cover accommodated in the shaft accommodating portion 3 so as to be movable only in the horizontal direction, that is, in the axial direction. The cover 8 supports the shaft portion 6 rotatably around the axis. That is, in FIG. 5, the cover 8 has the support portions 8a at both ends engaged with the circumferential grooves 6a and the small diameter portion 6b at both ends of the shaft portion 6, respectively. Further, as shown in FIG. 4, two guide grooves 9 extending in the horizontal direction are formed on the inner surface of the shaft housing portion 3, and the projections 10 of the cover 8 are engaged with the guide grooves 9. In addition, the tape 11 with the fluorine processing applied to the bottom surface of the guide groove 9
A plate is attached to reduce the coefficient of friction (see FIG. 5).

Two brackets 12 are provided on the lower surface of the cover 8, and the brackets 12 are inserted into and supported by the guide rods 15 through the elongated holes 14 of the partition wall 13. Reference numeral 16 is a cam groove formed on the cylindrical shaft portion 6, and the cam groove 16 comprises a horizontal portion 16a and an inclined portion 16b. 17 is a partition wall 13
The pin 17 is fixed to the slit 17 of the cover 8.
It is engaged with the cam groove 16 of the shaft portion 6 through 8. The cam groove 16 and the pin 17 correspond to a conversion mechanism that converts horizontal motion into rotary motion. By the way, as shown in FIG. 6, it is preferable that the ball 19 is rotatably installed at the tip of the pin 17. By doing so, the friction with respect to the cam groove 16 is reduced, and the drawing-out of the photographing device storage unit 5 becomes light.

When the photographing device storage unit 5 is rotated to face downward, for example, the character "positive" of the subject 21 is reversed upside down and left and right by the photographing device 20 in the photographing device storage unit 5. It will be recognized as an image. Such an inverted image is transmitted to the partner station as it is and appears as an upside-down image in the image receiving device 2. Therefore, as shown in FIG. Is activated and the video signal is read out vertically / horizontally.
The video signal is transmitted to the other station by reversing the vertical and horizontal directions of the video signal. The shooting mode changeover switch 22 may be a micro switch attached to a fixed part such as the casing 1 or the shaft storage part 3 to detect the movement of the shooting device storage part 5 or the shaft part 6. Although the vertical inversion circuit 23 is provided in the image receiving device 2, it may be provided in the imaging device 20.

If the subject 21 is a thick object such as a thick book, the subject 21 and the photographing device 2
The distance between 0 needs to be adjusted for focusing. In addition, it may be necessary to magnify a part of the subject 21 for shooting. For this purpose, the integrated image-taking and image-receiving device is provided with an automatic focus and zoom mechanism 24 in the image-taking device housing section 5.

Next, the operation of the integrated image-taking and image-receiving device will be described. At the time of normal shooting, as shown in FIG. 1, the shaft portion 6 of the shooting device storage portion 5 is housed in the shaft storage portion 3 and the lens of the shooting device 20 is directed to the front side to shoot the caller. When photographing a subject such as a document arranged near the side of the casing body 1, the handle 7 is grasped and the shaft portion 6 is pulled out from the shaft storage portion 3 to the right in the figure. Along with this, the cover 8 is also guided by the guide groove 9 and the guide rod 15 and pulled out from the shaft housing portion 3. At this time,
The shaft portion 6 moves horizontally while engaging the cam groove 16 with the tip of the pin 17, but the engaging portion is the cam groove 16
When moving from the horizontal portion 16a to the inclined portion 16b, a rotational force is generated in the shaft portion 16 and the photographing device storage portion 5 gradually starts to rotate downward in the drawing. Since the handle 7 is rotatably attached to the photographic device storage section 5, no rotational force is applied here, and there is no hindrance to the operation.

The pin 17 is the horizontal portion 1 of the cam groove 16.
When it is engaged with the end of 6a, the pulling-out of the photographing device storage unit 5 is stopped, and the lens of the photographing device 5 of the photographing device storage unit 5 faces downward as shown in FIG. In this case, for example, the character “positive” of the subject 21 is recognized upside down, left and right, but when the imaging device storage unit 5 is fully pulled out, the imaging mode selection switch 22 moves up and down. The vertical inversion circuit 23, which is a horizontal read control circuit, is activated so that the vertical and horizontal directions of the video signal are reversed so that the video signal can be transmitted to the partner station.
When the shaft portion 6 is pushed into the shaft housing portion 3, the shaft portion 6
The upward rotary motion is automatically applied to the lens 20, and when the storage is completed, the lens 20 faces the front as shown in FIG. The vertical inverting circuit 23 is also returned to the normal mode by the changeover switch 22.

When the subject 21 is thick, and when it is desired to magnify a part of the subject 21 for photographing, the automatic focus and zoom mechanism 24 in the apparatus is operated to utilize the automatic focusing function and / or the zoom function. be able to.

Example 2. In the above embodiment, the handle 7 is provided on the side surface of the image capturing device housing portion 5, but it may be provided on the cover 8 as shown in FIGS. 7 to 9. That is,
A slit 30 is formed in the longitudinal direction on the upper surface of the shaft housing portion 3, a handle 31 is fixed to the cover 8, and the handle 31 is projected through the slit 30 to the upper surface side of the shaft housing portion 3. Since the other members are the same as those in the first embodiment, the same reference numerals are given and the description thereof will be omitted. Also in this case, the rotary motion is automatically applied to the shaft portion 6 as the handle 31 moves horizontally. When the handle 31 is installed on the cover 8 in this way, the handle 31 can be arranged anywhere in the shaft housing portion 3, and the degree of freedom in designing is increased.

Example 3. In the above embodiment, the image pickup device storage section 5 is manually pulled out.
If the mechanism shown in FIGS. 10 and 11 is adopted, the automation can be performed. That is, a worm wheel 32 is installed at the tip of the shaft portion 6, and a worm 34 axially connected to a motor 33 as an actuator for rotating the shaft center is meshed with the worm wheel 32. Further, while installing the rack 35 on the lower surface of the cover 8,
Motor 3 as an actuator for axial movement
A pinion 37, which is axially connected to 6, is meshed with the rack 35. Reference numeral 38 denotes a position detection switch of the photographing device storage unit 5, which is pushed in by a protrusion 39 provided at one end of the rack 35. The motors 33 and 35 are control means (not shown).
Is controlled as described below. Since the other members are the same as those in the first embodiment, the same reference numerals are given and the description thereof will be omitted.

When the motor 36 is rotated during operation, the pinion 37 rotates to move the rack 35 to the right in the figure, and the shaft portion 6 is pushed out from the shaft storage portion 3 together with the cover 8. Then, when the shaft portion 6 is pushed out by a predetermined amount, the position detecting switch 38 is pushed in by the protrusion 39,
The rotation of the motor 36 stops. Next, the motor 33 starts to rotate, and its rotational force is transmitted to the shaft portion 6 via the worm 34 and the worm wheel 32, and the photographing device storage portion 5
Rotate downwards. Then, the motor 33 is stopped when the lens 20 (not shown) of the photographing device storage unit 5 faces directly below. It should be noted that the position detection switch 38 may also be used as a shooting mode changeover switch. In this device, the rotational force of the motor 33 is transmitted to the shaft portion 6 via the worm 34 and the worm wheel 32, so that the reduction ratio of the motor 33 is increased and the motor 33 can be downsized.

Example 4. In the third embodiment, the rotating mechanism of the shaft portion 6 is composed of the worm 33 and the worm wheel 32, but the mechanism shown in FIGS. 12 and 13 may be adopted. That is, the internal gear 40 is installed in the tip end opening of the shaft portion 6, and the pinion 42 axially connected to the motor 41 is meshed with the internal gear 40. In this case,
A protrusion 43 is provided on the outer periphery of the internal gear 40, and when the lens 20 (not shown) of the image capturing device faces directly below, the protrusion 43
By arranging the switch 44 so as to be pushed in by, the rotational position of the imaging device storage unit 5 may be detected. Since the other members are the same as those in the third embodiment, the same reference numerals are given and the description thereof will be omitted. In this device, since the rotating mechanism of the shaft portion 6 is composed of the internal gear 40 and the pinion 4, the shaft center of the motor 41 can be matched with the shaft center of the shaft portion 6, and the width of the cover 4 can be reduced. The device can be made compact.

[0032]

According to the first aspect of the present invention, since the mechanism for causing the axial movement of the shaft portion and the rotational movement about the shaft center of the shaft portion at the same time is provided, the shaft portion of the photographing device storage portion is used as the shaft. By simply pulling it out of the storage unit, the shaft will rotate and the shooting device storage unit will be automatically directed toward the subject, so the necessary expansion of the shooting device can be done in one operation, and the time to rotate the shooting device storage unit can be saved. Saves usability and improves operability.

In the photographing apparatus according to the second aspect, since the handle is rotatably attached to the side surface of the photographing device housing, the shaft portion can be opened by simply pulling out without rotating the hand holding the handle. It can be rotated.

In the photographing apparatus according to the third aspect, only by grasping the handle and pulling out the shaft portion of the photographing device storage portion from the shaft storage portion, the photographing device storage portion automatically rotates and is directed toward the subject. This saves the trouble of rotating the photographing device storage section and improves operability. Further, since the handle can be arranged anywhere in the photographing device housing, the degree of freedom in design can be increased.

In the photographing apparatus according to the fourth aspect, the first actuator pushes the shaft portion out of the shaft housing portion in the axial direction,
A second actuator rotates it about its axis. When the shaft portion is stored in the shaft storage portion, the respective actuators perform the reverse operations. Therefore, the operation is simpler and more reliable and can be automated.

In the photographing apparatus of the fifth aspect, since the zoom mechanism is provided, a part of the subject can be enlarged and transmitted, and an enlarged image can be displayed on the partner station.

In the photographing apparatus of the sixth aspect, since the automatic focusing mechanism is provided, automatic focusing can be performed.

In the photographing apparatus according to the seventh aspect, the image of the photographing device can be turned upside down when the shaft portion is rotated.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of an image pickup apparatus of the present invention.

FIG. 2 is a perspective view showing a state in which a photographing device housing section of the photographing apparatus of FIG. 1 is pulled out.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB of FIG.

5 is an enlarged view showing the inside of a dotted line frame E of FIG. 4. FIG.

6 is a cross-sectional view showing a modified example of the pin shown in FIG.

7 is a view showing a second embodiment of the image pickup apparatus of the present invention and is a sectional view similar to FIG.

FIG. 8 is a partial plan view of FIG.

9 is a cross-sectional view taken along the line CC of FIG.

FIG. 10 is a diagram showing Embodiment 3 of the image pickup apparatus of the present invention,
It is sectional drawing similar to FIG.

11 is a cross-sectional view taken along the line DD of FIG.

FIG. 12 is a cross-sectional view showing the main parts of Embodiment 4 of the image pickup apparatus of the present invention.

13 is a left side view of the shaft drive mechanism of FIG.

FIG. 14 is a perspective view showing an example of a conventional imaging device.

FIG. 15 is a perspective view for explaining an operation procedure of a conventional imaging device.

FIG. 16 is a perspective view for explaining an operation procedure of a conventional image capturing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Casing main body 2 Image receiving device 3 Axis storage part 4 Opening 5 Imaging device storage part 6 Axis part 7, 31 Handle 8 Cover 20 Imaging device 22, 38 Control means 30 Slit 32-37 Actuator 23 Vertical reversing circuit 24 Automatic focusing and zoom mechanism

Claims (7)

[Claims] 1. A casing main body is provided with a shaft accommodating portion that opens to the side, and a shaft portion of the photographing device accommodating portion accommodating a photographing device is inserted into the shaft accommodating portion through the opening, and is near the casing. When photographing the arranged subject, in the photographing device in which the shaft portion is pulled out from the shaft storage portion to the side and rotated so that the photographing device faces the subject, at the same time as the movement of the shaft portion in the axial direction, An imaging apparatus provided with a mechanism for rotating the shaft portion about its axis. 2. The photographing apparatus according to claim 1, wherein a handle is rotatably attached to a side surface of the photographing device housing. 3. A cover is rotatably attached to the shaft portion, the cover is housed in the shaft housing portion so that the cover can be moved only in the horizontal direction, and a slit extending in the horizontal direction is provided in the shaft housing portion. 3. The image pickup apparatus according to claim 1, further comprising a handle fixed to the cover, the handle protruding through the slit to the surface side of the shaft housing portion. 4. A first unit for reciprocating the shaft portion in the axial direction.
An actuator, a second actuator that rotates the shaft portion around the shaft, and a control means that controls these actuators and rotates the shaft portion when the shaft portion is pulled out to the side from the shaft storage portion. The imaging device according to claim 1, further comprising: 5. The photographing apparatus according to claim 1, wherein the photographing device includes a zoom mechanism. 6. The photographing apparatus according to claim 1, wherein the photographing device includes an autofocus mechanism. 7. The photographing apparatus according to claim 1, further comprising a vertical inversion circuit that vertically inverts an image of the photographing device when the shaft portion rotates.