JP3100687B2 - Camera display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera display device capable of displaying at least two types of bar graphs, for example, used as indices.

[0002]

2. Description of the Related Art Conventionally, in a display device of a camera, when setting an exposure correction value (Xv value), a bar graph is used as an index for displaying the Xv value. In a state where the bar graph is displayed as an index, the Xv value is displayed by displaying a dot at a position corresponding to the Xv value among the dot displays provided below the bar graph.

[0003]

In the above-described conventional camera display device, the arrangement of each bar graph and dot display is such that the Xv value is displayed in 1/3 Ev steps or in 1/2 Ev steps. Is determined by For this reason, there is a problem in that once the arrangement is made corresponding to one of the steps, the display can be performed only in that step. An object of the present invention is to provide a display device of a camera capable of performing at least two types of display.

[0004]

A display device for a camera according to the present invention is a display device for a camera for displaying various information related to the camera, wherein a first segment relating to at least one of a display range and a reference position is displayed. First display means for displaying, and second display means for selectively displaying a second segment related to grading, at least two or more types are provided by controlling the first and second segments. Is characterized in that a bar graph is displayed . The first segment includes a vertically elongated first bar segment, and a pair of second bar segments provided at equal intervals from the first bar segment in a direction orthogonal to the longitudinal direction of the first bar segment. A third bar segment provided at a position that equally divides the first bar segment and each of the pair of second bar segments into three, and a first bar segment. A fourth bar segment provided at a position that bisects each of the pair of second bar segments,
Either the third bar segment or the fourth bar segment is selectively displayed by the second display means. When setting the exposure correction value, the first and second display means display the first to fourth bar segments as indices for setting the exposure correction value. When setting the exposure correction value in 1/2 Ev steps, the first display means displays the first and second bar segments, and the second display means displays the third and third bar segments.
Is selectively displayed, and the exposure compensation value is set to 1
When setting in the / 3 Ev step, the first display means displays the first and second bar segments, and the second display means displays the fourth bar segment. Further, a dot segment is provided near each of the first to fourth bar segments, and a dot segment corresponding to the bar segment indicating the selected exposure correction value is displayed. The dot segment corresponding to the first bar segment has a triangle, and the second to fourth dots
The dot segment corresponding to the bar segment has a circular shape. A plus segment is displayed near the dot segment corresponding to one of the pair of second bar segments, and a plus shape is displayed in the circular display segment, and a minus shape is displayed near the dot segment corresponding to the other. By displaying a minus segment displayed in the circular display segment, it is specified whether the exposure correction value to be set is a plus side or a minus side.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 shows the appearance of a camera provided with a camera display device according to an embodiment of the present invention.

[0006] A shutter button 13 is provided at the front of the upper surface of the grip portion 12 of the camera body 11. A Tv electronic dial 14 is provided on the rear side of the shutter button 13, and an Av electronic dial 15 is provided on an upper rear surface of the grip portion 12. The Tv electronic dial 14 and the Av electronic dial 15 are rotatable clockwise and counterclockwise, respectively. Main switch 2 described later
5 is in the ON position, and these Tv electronic dials 1
4. By rotating the Av electronic dial 15, the shutter speed and the aperture value can be set respectively. By rotating the Tv electronic dial 14 and the Av electronic dial 15 while the main switch 25 is at the PF position, the operation mode number and the data number can be set respectively.

The change of the aperture value by the Av electronic dial 15 is performed by changing the aperture ring 17 provided on the photographing lens 15.
Is performed when the aperture ring 17 is at the auto (A) position, and when the aperture ring 17 is at a position other than the auto position, that is, in the manual exposure control mode, the aperture value is changed by rotating the aperture ring 17. The aperture ring 17 is locked at the automatic position, and the lock is released by pressing a release button 19.

[0008] A clear button 21 is provided near the Av electronic dial 15 on the upper rear surface of the camera body 11.
A hold button 22 is provided on the opposite side of the finder 18. An exposure correction (EF) / ISO lever 23 and an exposure mode / drive lever 24 slidable in two directions opposite to each other from the neutral position are provided on the upper surface of the camera body 11 and on the left side of the finder 18. On the right side of the finder 18, a main switch 25 is provided that can slide to three positions from the photographer side to the subject side. The main switch 25 is, in order from the photographer, an off (OFF) position, an on (ON) position, and an operation mode (P
F) The position is configured.

The front of the upper surface of the camera body 11 has an LC
A D display panel 50 is provided. The LCD display panel 50 is composed of a number of display segments. By displaying these display segments in various combinations,
Numbers, alphabets, symbols, etc. can be displayed. FIG. 3 shows the LCD display panel 50 in a state where all display segments are displayed.

As shown in FIG. 3, nine substantially rectangular bar segments are provided at the center of the left side of the screen of the LCD display panel 50, and twelve circular dot segments are provided below the bar segments. A plus segment 57 and a minus segment 58 are provided at both ends of the dot segment.

The bar segments include one central bar segment 51 provided at the center, left and right bar segments 52 provided at predetermined intervals on the left and right sides of the central bar segment 51, and these central bar segments. A half-step bar segment 53 is provided at two positions that divide the distance between the bar segment 51 and the left and right bar segments into three equal parts, and is provided at a substantially intermediate position between the half-step bar segments 53. And a 1/3 step bar segment 54. In this bar segment, in addition to the center bar segment 51 and the left and right bar segments 52, the 1/3 step bar segment 54 is displayed at the same time, so that 5
A book bar graph can be displayed. In this display, the center bar segment 51 is set to 0 index, and each bar segment is set to 1 on the plus side and the minus side, respectively.
Exposure compensation value X in 1/3 Ev step as an index for each
It is used when setting v. In addition to the center bar segment 51 and the left and right bar segments 52, 1 /
By simultaneously displaying the two-step bar segments 53, seven bar graphs can be displayed at equal intervals. This display is used when setting the exposure correction value Xv in 1/2 Ev steps, using the center bar segment 51 as an index of 0 and each bar segment as an index for each of the plus side and the minus side. .

The dot segment includes a triangular segment 55 provided immediately below the center bar segment 51 and circular segments 56 provided on both left and right sides of the triangular segment 55. A total of twelve circular segments 56 are provided on the left and right sides, six at equal intervals. That is, the circular segment 56 is divided into the left and right bar segments 5.
Bar segments 54 and 1/2 for 2, 1/3 steps
Each one immediately below each of the step bar segments 53
Eight pieces each, bar segment 53 for 1/2 step
And the bar segment 52 on both sides of the bar segment 53 for the 1/2 step, and the bar segment 52 on the left and right, almost immediately below the middle portion between the segment closer to the center and the center bar segment 51.
A total of four are provided, one for each, almost immediately below the middle part of.
The dot segment is used to indicate a numerical value or the like when the bar segment is used as an index by appropriately selecting and displaying the circular segment 56.

Each of the plus segment 57 and the minus segment 58 is constituted by a circular segment for displaying a plus or minus shape in a circular display segment. The plus segment 57 and the minus segment 58 indicate whether the numerical value indicated by the dot segment using the bar segment as an index is on the plus side or the minus side. LCD display panel 5
0 is a number segment on one left side of the screen and three on the right side of the screen.
Is provided. Each number segment is 7 segments
The number of electrodes from 0 to 9 is arbitrarily displayed.
It can be shown. The image provided at the bottom of the dot segment
The number segment at the center of the left side of the surface is usually the number of films
Is displayed and the exposure compensation switch SWEF is turned on.
Then, the correction amount is displayed. In the PF mode,
Display the contents schematically. Number segment at the top right of the screen
Normally, the film speed is displayed numerically in the PF mode.
Sometimes the setting content is AE-related, and the letter AE
Is schematically displayed. Number segment in the center right of the screen
Displays the shutter speed as a number. Lower right of screen
The numerical segment of the section displays the aperture value by a number.

Next, an outline of a circuit configuration of a control system of the camera will be described with reference to FIG. The CPU 31 performs various controls in a manual exposure control mode described later, in addition to performing control such as determining a shutter speed based on an exposure value. The IPU 32 has a shutter button 13, Tv
It has a function as an input interface for switches such as the electronic dial 14 and the Av electronic dial 15.

The photometric circuit 41 is connected to the CPU 31 via an AD converter 42. An aperture volume 43 is connected to the AD converter 42. The aperture volume 43 works in conjunction with the aperture ring 17 (FIG. 1) of the taking lens 16 and outputs an aperture value corresponding to the rotational position of the aperture ring 17 as an aperture voltage. This aperture voltage is supplied to the AD converter 4
The data is converted into a digital value corresponding to the aperture value AV by 2 and input to the CPU 31. The CPU 31 sets A
By operating the D converter 42, the subject luminance signal and the aperture value signal set in the photographing lens 16 are read and converted into the corresponding apex value.

The wind motor 44 winds and rewinds the film, and the mirror motor 45 raises and lowers the mirror. The operations of these motors 44 and 45 are controlled by the CPU 31 via the motor drive circuit 46. The shutter aperture control circuit 47 controls the release operation and the aperture stop operation of the photographic lens 16 when the shutter button 13 is fully pressed.

The photographing lens 16 is connected to the IPU 32. The IPU 32 communicates with the photographing lens 16, and has an open F-number Fmin and a maximum F-number Fm.
The lens data such as ax and focal length f is read. The photographing lens 16 is provided with a lens auto / manual changeover switch 48 for discriminating whether the iris is automatic or manual, in conjunction with the aperture ring 17, and the changeover switch 48 is connected to the IPU 32. .

The IPU 32 has a main switch SW.
MAIN, operation mode switch SWPF, photometry switch SWS, release switch SWR, exposure mode switch SWMODE, drive switch SWDRIVE, exposure compensation switch SWEF, ISO sensitivity setting switch SWI
The SO, the clear switch SWCL, and the hold switch SWHOLD are connected respectively.

The main switch SWMAIN is linked with the ON position of the main switch 25. The operation mode switch SWPF is connected to the operation mode position (P
F position). The photometering switch SWS and the release switch SWR are normally open switches interlocked with the shutter button 13, and the photometry switch SWS is turned on when the shutter button 13 is pressed halfway, and the release switch SWR is pressed when the shutter button 13 is fully pressed.
Turns on. The exposure mode switch SWMODE and the drive switch SWDRIVE are interlocked with the exposure mode / drive lever 24, and the exposure compensation switch SWEF and the ISO sensitivity setting switch SWISO are set to the exposure compensation / IS.
Operates with the O-lever 23. The clear switch SWCL is
It is a normally open switch that works in conjunction with the clear button 21. When the clear switch SWCL is turned on while the main switch SWMAIN is in the operation mode position, the IP
U32 is configured to set all the data numbers in each operation mode number to 0, display a clear message on the LCD display panel 50, and emit a confirmation sound by a buzzer (PCV) (not shown). When the operation mode is selected, by turning on the clear switch SWCL first, the operation mode set in the past can be easily cleared once, and the operation mode can be set as intended by the user. Hold switch SWHOLD
Is a normally open switch interlocked with the hold button 22.

The Tv electronic dial 14 and the Av electronic dial 15 are connected to the IPU 32, respectively. Tv
The electronic dial 14 and the Av electronic dial 15 have a known click stop rotation structure. This will be described with respect to the Tv electronic dial 14. At the click stop position, the pair of ports PA0 and PA1 are in a floating state, and when the Tv electronic dial 14 is rotated left or right from this position, the port is changed according to the rotation direction. PA
0, one of the levels of PA1 falls to the “L” level first,
After both become "L" level, one returns to the floating state. Since the order in which the levels of the ports PA0 and PA1 change depends on the rotation direction, the IPU 32 can identify the rotation direction of the Tv electronic dial 14 based on this change order. The same applies to the Av electronic dial 15.

The control port group PLCD of the IPU 32 includes:
The LCD display panel 50 is connected. The LCD display panel 50 controls the shutter speed T under the control of the IPU 32.
V, aperture value AV, number of shots, and operation mode are displayed. The display of the operation mode is performed by appropriately displaying a display segment as shown in FIG. 3 formed in the same shape as the operation mode number, the number representing the data number, and the sign or symbol representing the characteristic of each operation mode. .

Table 1 shows operation mode numbers, data numbers in each operation mode number, and corresponding setting contents.

[Table 1]

The operation mode number is the main switch 2
The selection is made by rotating the Tv electronic dial 14 clockwise or counterclockwise with 5 in the PF position. Set the main switch 25 to PF
In this state, the selection is made by rotating the Av electronic dial 14 clockwise or counterclockwise.
With the main switch 25 in the PF position, the LCD
At the lower right corner of the screen of the display panel 50, an alphabetic PF indicating the operation mode is displayed (FIGS. 4 to 9).

In Table 1, 0 and 1 are operation mode numbers related to AE (auto exposure), 7 is flash, 10 is film feed, and 17 is Pz (power zoom).

The operation mode number 0 is a selection mode of the photometry system. When the data number 0 is selected in the operation mode number 0, the light metering method is set to spot metering. At this time, the LCD display panel 50 displays I
The display shown in FIG. 4A is made based on the control of the PU 32. When data number 1 is selected, the metering method is set to center-weighted metering. At this time, the LCD display panel 50
Is displayed based on the control of the IPU 32 as shown in FIG.

The operation mode number 1 is a program line selection mode. When a data number 0 is selected in the operation mode number 1, a normal program is set. At this time, the display shown in FIG. 5A is made on the LCD display panel 50 based on the control of the IPU 32. When data number 1 is selected, a speed priority program is set. At this time, the LCD display panel 5
In FIG. 5B, the display shown in FIG. 5B is made based on the control of the IPU 32. When data number 2 is selected, a depth priority program is set. At this time, the display shown in FIG. 5C is made on the LCD display panel 50 based on the control of the IPU 32. If you select data number 3,
The MTF priority program is set. At this time, based on the control of the IPU 32, the LCD
The display shown in (d) is made.

The operation mode number 2 is an Xv setting step selection mode for setting the exposure correction value (Xv) by changing the Ev value (exposure value). When the data number 0 is selected in the operation mode number 2, the Xv value can be set in 1/3 Ev steps. At this time, the IPU3
The display shown in FIG. 6A is made based on the control of No. 2.
In other words, the upper right end of the screen displays an AE character that indicates an AE-related operation mode, and the lower part of the screen displays numbers 2 and 0 indicating an operation mode number and a data number. Further, the numeral 0.3 indicating that the Xv value is selected in 1/3 Ev steps is displayed in the center part on the right side of the screen (FIG. 6A ), and 5 corresponding to the 1/3 Ev step is displayed on the upper part. A book bar graph is displayed. When the data number 1 is selected in the operation mode number 2, the Xv value can be set in 1/2 Ev steps. At this time, the display shown in FIG. 6B is made on the LCD display panel 50 under the control of the IPU 32. That is, the upper right end of the screen displays an AE of an alphabetic character indicating that it is an AE-related operation mode, and the lower part thereof displays numbers 2 and 1 indicating an operation mode number and a data number. Further, a numeral 0.5 indicating that the Xv value is selected in 1/2 Ev steps is displayed in the center part on the right side of the screen, and seven bar graphs corresponding to the 1/2 Ev steps are displayed in the upper part thereof. You.

The operation mode number 7 is a light emission selection mode of the built-in flash. When the data number 0 is selected in the operation mode number 7, a strobe is always emitted during shooting. At this time, the display shown in FIG. 7A is made on the LCD display panel 50 based on the control of the IPU 32. That is, in addition to the numbers 7 and 0 indicating the operation mode number and the data number, a symbol imitating strobe light is displayed at the left end of the screen. When data number 1 is selected, flash emission is prohibited when using a wide-angle lens of 35 mm or less. At this time, the LCD display panel 50 displays the information shown in FIG.
The display shown in (b) is made. That is, in addition to the numbers 7 and 1 indicating the operation mode number and the data number, a symbol imitating strobe light is displayed at the left end of the screen, and the maximum value of the focal length of the lens for inhibiting light emission is displayed on the right of the symbol. Is displayed.

The operation mode number 10 is a selection mode for determining whether or not to wind the film leader section upon completion of film rewinding. When the data number 0 is selected in the operation mode number 10, when the film rewinding is completed, the film leader section is completely wound into the film cartridge. At this time, the LCD display panel 50 displays the information shown in FIG.
Is displayed. That is, in addition to the numbers 10 and 0 indicating the operation mode number and the data number, a symbol imitating the film cartridge in which the film leader section is completely wound is displayed on the left side of the screen. When the data number 1 is selected, only the film leader portion projects from the film cartridge when the film rewinding is completed. At this time, the LCD display panel 50
8B is displayed based on the control of the IPU 32. That is, in addition to the numbers 10 and 1 indicating the operation mode number and the data number, a symbol imitating the film cartridge with the film leader protruding is displayed on the left side of the screen.

The operation mode number 17 is a mode for selecting the zooming direction of the during-exposure zooming. When the data number 0 is selected in the operation mode number 17, zooming during exposure is performed from wide to tele. At this time, the display shown in FIG. 9A is made on the LCD display panel 50 based on the control of the IPU 32. That is, in addition to the numbers 17 and 0 indicating the operation mode number and the data number, the number 0 captured in the wide state and the number 0 captured in the telescopic state to the right thereof are:
They are displayed sequentially on the left side of the screen. When data number 1 is selected, zooming during exposure is performed in the wide direction from telephoto. At this time, the display shown in FIG. 9B is made on the LCD display panel 50 based on the control of the IPU 32. That is, in addition to the numbers 17 and 1 indicating the operation mode number and the data number, the number 0 captured in the telephoto state and the number 0 captured in the wide state on the right side thereof are:
They are displayed sequentially on the left side of the screen.

FIG. 10 is a flowchart showing the selection of the operation mode by the IPU 32 and the control of the LCD display panel 50.

In FIG. 10, in step 100, it is determined whether or not the operation mode switch SWPF is on. If the operation mode switch SWPF is off, the process returns. Operation mode switch SWP
If F is on, it is determined in step 101 whether the clear switch SWCL is on. If the clear switch SWCL is on, the timer starts counting time in step 102, and it is determined in step 103 whether a specified time has elapsed. If the specified time has not elapsed, a return is made. If the prescribed time has elapsed, step 10
In step 4, all the operation modes are returned to the initial values, that is, all the data numbers in each operation mode are set to 0, and the operation mode clear display is displayed on the LCD display panel 50. At this time, a confirmation sound is emitted by a buzzer (not shown).

On the other hand, if the clear switch SWCL is off in step 101, it is determined in step 105 whether the position of the Tv electronic dial 14 has changed. If there is a change in the position of the Tv electronic dial 14, it is determined in step 106 whether the operation mode number has increased by one or decreased by one.
After being recognized based on the rotation direction of the electronic dial 14,
In step 107, it is determined whether or not the operation mode number is 0. If the position of the Tv electronic dial 14 has not changed, it is determined in step 107 whether or not the operation mode number is 0.

If the operation mode number is 0 in step 107, it is determined in step 108 whether the position of the Av electronic dial 15 has changed. If the position of the Av electronic dial 15 changes,
In step 109, whether the data number in the operation mode number 0 has increased by 1 or 1 has been recognized based on the rotation direction of the Av electronic dial 15, and in step 110, the data number in the operation mode number 0 has changed. It is determined whether it is 0. If the position of the Av electronic dial 15 has not changed, it is determined in step 110 whether or not the data number in the operation mode number 0 is 0.

If the data number in the operation mode number 0 is 0 in step 110, the operation mode number 0 and the data number 0 are set in step 111 and the LCD display panel 50 is displayed as shown in FIG.
Display shown in (a), ie, the operation mode number 0, vinegar
A numerical display of data number 0 indicating selection of pot photometry , an AE display of an alphabetical character indicating AE-related, and a symbol imitating a Japanese flag indicating selection of a photometric mode are displayed.

If the data number in the operation mode number 0 is not 0 in step 110, the operation mode number 0 and the data number 1 are set in step 112, and
The display as shown in (b), that is, the display of the operation mode number 0, the display of the data number 1 indicating the selection of the center-weighted metering, and the AE of the alphabet indicating the AE relation.
Is displayed and a symbol imitating a Japanese flag indicating that the photometric mode is selected is displayed.

On the other hand, if the operation mode number is not 0 in step 107, it is determined in step 113 whether the operation mode number is 1. If the operation mode number is 1, it is determined in step 114 whether the position of the Av electronic dial 15 has changed. If there is a change in the position of the Av electronic dial 15, the operation mode number 1
After it has been recognized whether the data number in has been increased by one or decreased by one, it is determined in step 116 whether or not the data number in the operation mode number 1 is zero. If the position of the Av electronic dial 15 has not changed, it is determined in step 116 whether or not the data number in the operation mode number 1 is 0.

If the data number in the operation mode number 1 is 0 in step 116, the operation mode number 1 and the data number 0 are set in step 117, and the LCD display panel 50 is set as shown in FIG. Are displayed, that is, an operation mode number 1 and a data number 0 are indicated by numerals, an alphabetical AE indicating an AE relationship is displayed, and an alphabetic P is displayed to indicate a selection of a program line.

If the data number in operation mode number 1 is not 0 in step 116, it is determined in step 118 whether the data number in operation mode number 1 is 1. If the data number in the operation mode number 1 is 1, in step 119 the operation mode number 1 and the data number 1 are set and the LCD display panel 5
5 shows the display as shown in FIG. 5B, that is, the operation mode number 1 and the data number 1 (shutter speed priority group).
( Program ) , a letter AE indicating an AE relationship, and a letter P indicating a program line selection.

If the data number in operation mode number 1 is not 1 in step 118, it is determined in step 120 whether the data number in operation mode number 1 is 2. If the data number in the operation mode number 1 is 2, in step 121, the operation mode number 1 and the data number 2 are set, and the LCD display panel 5
0 is displayed as shown in FIG. 5C, that is, operation mode number 1, data number 2 (depth priority program)
Indicated by the number of "A", the letter A indicating that it is AE-related
The display of E and the display of the letter P indicating the selection of the program line are made.

If the data number in the operation mode number 1 is not 2 in step 120, the operation mode number 1 and the data number 3 are set in step 122 and the LCD display panel 50 is set as shown in FIG. Indication, that is, display of operation mode number 1 and data number 3 (MTF priority program) by numbers, display of AE in alphabetical letters indicating that it is related to AE, and display of P in alphabetical letters indicating selection of a program line. You.

If the operation mode number is not 1 in step 113, it is determined in the next step whether or not the operation mode number is 2. If the operation mode number is not 2, it is determined in the next step whether or not it is 3. In the same manner, the determination of the operation mode number is repeated, and it is determined in step 123 whether or not the operation mode number is 19.

If the operation mode number is 19 at step 123, the operation mode number is recognized as 0 or 1 after the operation mode number 19 is recognized.
The operation mode number and the data number are displayed through the same process as in the case of.

If the operation mode number is not 19 at step 123, the operation mode number is recognized as 0 or 1 after the operation mode number 20 is recognized.
The operation mode number and the data number are displayed through the same process as in the case of.

FIG. 11 is a flowchart showing the control by the IPU 32 when setting the exposure correction value (Xv value) using the exposure value (Ev value).

In FIG. 11, in step 130, it is determined whether or not the exposure compensation switch SWEF is on. If it is off, the process returns. If it is in the ON state, it is determined in step 131 whether the Xv value setting step is a 1/3 Ev step. The selection of the Xv setting step is performed in advance in the setting step selection mode of the operation mode number 2 (see FIG. 6 and Table 1) under the control of the IPU 32 operating according to the flowchart shown in FIG.

In step 131, if the Xv setting step is a 1/3 Ev step, it is determined in step 132 whether the position of the Tv electronic dial 14 has changed. If the position of the Tv electronic dial 14 has changed, in step 133, the Xv setting step
After it is determined based on the rotation direction of the Tv electronic dial 14 whether the ｖEv step has increased or the １ ／ Ev step has decreased, the process proceeds to step 134. On the other hand, if there is no change in the position of the Tv electronic dial 14 in step 132, the process proceeds to step 134 as it is.

At step 134, five bar graphs corresponding to the 1/3 Ev step are displayed on the LCD display panel 50, and among the dot displays provided at the lower part of the bar graph, the bar graph corresponds to the Xv value. The dot at the position is displayed. In addition, at the bottom of the dot display,
The set Xv value is displayed by a numeral (see FIG. 12).

On the other hand, if the Xv setting step is not the 1/3 Ev step in step 131, it is recognized that the Xv value setting step is the 1/2 Ev step, and then the position of the Tv electronic dial 14 is changed in step 135. It is determined whether it has been done. If the position of the Tv electronic dial 14 has changed, it is determined in step 136 whether the Xv setting step has increased by 1/2 Ev step or decreased by 1/2 Ev step.
After being recognized by the rotation direction of the electronic dial 14, the process proceeds to step 137. If there is no change in the position of the Tv electronic dial 14 in step 135, the process directly proceeds to step 137.

In step 137, seven bar graphs corresponding to the 1/2 Ev step are displayed on the LCD display panel 50, and among the dot displays provided at the lower part of the bar graph, the bar graphs correspond to the Xv value. The dot at the position is displayed. In addition, at the bottom of the dot display,
The set Xv value is displayed by a numeral (see FIG. 13).

FIG. 12 is a diagram showing a change in the display on the LCD display panel 50 under the control of the IPU 32 when the setting of the Xv value is performed in 1/3 Ev steps.

In FIG. 12, an exposure compensation switch SWE is provided.
When the Tv electronic dial 14 is operated in a state where the F is turned on, the display shown in FIG.
0.0 is selected as the Xv value, and the display shown in FIG. That is, five bar graphs corresponding to the 1/3 Ev step are displayed by the bar segments,
The numeral 0.0 indicating that 0.0 has been selected as the Xv value is displayed. Next, the exposure compensation switch SWE
If the Tv electronic dial 14 is rotated one step clockwise while F is in the ON state, 0.3 is selected as the Xv value, and the display shown in (c) is displayed. That is, a number 0.3 indicating that 0.3 has been selected as the Xv value is displayed, and a plus segment is displayed. Further, when five bar graphs are used as indices for each 1.0, a dot segment at a position of 0.3 is displayed. Here, when the exposure compensation switch SWEF is turned off, the Xv value is set to 0.3, and the display returns to the normal photographing mode while the bar graph display and the dot display remain (d).

On the other hand, from the state where 0.3 is selected as the Xv value and the display shown in (c) is made, the TV electronic dial 14 is further rotated clockwise by two steps while the exposure compensation switch SWEF is kept on. And 1.0 is selected as the Xv value, and the display shown in FIG. That is, the numeral 1.0 indicating that 1.0 has been selected as the Xv value is displayed, and the dot segment at the position of 1.0 is displayed. Here, when the exposure compensation switch SWEF is turned off, the Xv value is set to 1.0, and the display returns to the normal shooting mode display while the bar graph display and the dot display are left (f).

FIG. 13 is a diagram showing a change in the display on the LCD display panel 50 under the control of the IPU 32 when the setting of the Xv value is performed in 1/2 Ev steps.

In FIG. 13, an exposure compensation switch SWE is provided.
When the Tv electronic dial 14 is operated in a state where the F is turned on, the display shown in FIG.
0.0 is selected as the Xv value, and the display shown in FIG. That is, 7 bar graphs corresponding to 1/2 Ev steps are displayed by the bar segments,
The numeral 0.0 indicating that 0.0 has been selected as the Xv value is displayed. Next, the exposure compensation switch SWE
If the Tv electronic dial 14 is rotated one step clockwise while F is in the ON state, 0.5 is selected as the Xv value, and the display shown in (c) is displayed. That is, the numerical value 0.5 indicating that 0.5 has been selected as the Xv value is displayed, and a plus segment is displayed. Further, a dot segment at a position of 0.5 is displayed when each of the seven bar graphs is used as an index for each 1.0. Here, when the exposure compensation switch SWEF is turned off, the Xv value is set to 0.5, and the display returns to the normal photographing mode display with the bar graph display and the dot display remaining (d).

On the other hand, from the state where 0.5 is selected as the Xv value and the display shown in (c) is made, the Tv electronic dial 14 is further rotated clockwise by one step while the exposure compensation switch SWEF is kept on. And 1.0 is selected as the Xv value, and the display shown in FIG. That is, the numeral 1.0 indicating that 1.0 has been selected as the Xv value is displayed, and the dot segment at the position of 1.0 is displayed. Here, when the exposure compensation switch SWEF is turned off, the Xv value is set to 1.0, and the display returns to the normal shooting mode display while the bar graph display and the dot display are left (f).

FIG. 14 shows, in the step exposure (MAB) mode, how much the Ev value is shifted to the plus side and the minus side with respect to the Ev value based on the measurement based on the correction amount of the Ev value, that is, the Xv value. IPU32 for setting
6 is a flowchart showing control by the control. Step exposure (M
The AB) mode is a shooting mode in which one image is shot with an Ev value based on the measurement, and one image is shot with each Ev value that is shifted from the Ev value by a certain value to the plus side and the minus side.

In FIG. 14, in step 140, MA
It is determined whether or not the mode is the B selection mode. The selection of the MAB selection mode is performed in advance by rotating the Tv electronic dial 14 with the drive switch SWDRIVE turned on. If not in MAB selection mode,
In step 141, it is recognized that another drive mode has been set, and the routine returns. If the current mode is the MAB selection mode, it is determined in step 142 whether the Xv setting step is a 1/3 Ev step.

In step 142, if the Xv setting step is a 1/3 Ev step, it is determined in step 143 whether the position of the Av electronic dial 15 has changed. If the position of the Av electronic dial 15 has changed, in step 144 the X
Whether the setting step of the v value is increased by 1/3 Ev step or reduced by 1/3 Ev step, Av
After being recognized by the rotation direction of the electronic dial 15, the process proceeds to step 145. On the other hand, in step 143, A
If there is no change in the position of the v-electronic dial 15, the process proceeds directly to step 145.

In step 145, five bar graphs corresponding to the 1/3 Ev step by the bar display segment are displayed on the LCD display panel 50,
Of the dot display provided at the bottom of this bar graph,
A dot at a position corresponding to the set Xv value is displayed. Further, the Xv value is displayed as a number below the dot display (see FIG. 15).

On the other hand, if it is determined in step 142 that the Xv setting step in the MAB mode is not the 1/3 Ev step, it is recognized that the Xv setting step is the 1/2 Ev step.
It is determined whether the position of electronic dial 15 has changed. If the position of the Av electronic dial 15 has changed,
In step 147, the Xv setting step is ＥE
The process proceeds to step 148 after it is recognized from the rotation direction of the Av electronic dial 15 whether the v step has increased or the 1/2 Ev step has decreased. Step 1
If there is no change in the position of the Av electronic dial 15 in 46, the process proceeds to step 148 as it is.

At step 148, seven bar graphs corresponding to the 1/2 Ev step by the bar display segment are displayed on the LCD display panel 50,
Of the dot display provided at the bottom of this bar graph,
A dot at a position corresponding to the set Xv value is displayed. Further, the Xv value is displayed as a number below the dot display.

FIG. 15 shows the IPU 32 when the Xv value is set in the 1/3 Ev step in the MAB mode.
FIG. 6 is a diagram showing a change in the display on the LCD display panel 50 under the control of FIG.

In FIG. 15, drive switch SWD
When the Tv electronic dial 14 is operated in a state where the RIVE is turned on, the display shown in (b) is displayed by selecting 0.0 as the Xv value from the display shown in (a) in the normal shooting mode. That is, a number is not displayed, and a symbol displayed in the continuous shooting mode is displayed at the lower left portion of the screen.
When 0.0 is selected as the Xv value, the measured Ev
Three photographs are taken with the value, which is the same as that in the continuous shooting mode. Therefore, the symbol of the continuous shooting mode is used for display. Next, drive switch S
While the WDRIVE is on, the Tv e-dial 14
Is rotated by one step, ± 0.3 is selected as the Xv value, and the display shown in FIG. That is, the numerical value 0.3 indicating that ± 0.3 has been selected as the Xv value is displayed, and the plus segment and the minus segment are displayed. Further, when five bar graphs are used as indices for each 1.0, dot segments at positions of ± 0.3 are displayed, and 3 bar graphs are displayed.
A symbol representing a MAB mode imitating photographs taken at different Ev values is displayed at the lower left portion of the screen. Here, when the drive switch SWDRIVE is turned off, X
The v value is set to ± 0.3, and the display returns to the normal photographing mode while leaving the symbols indicating the bar graph display, the dot display, and the MAB mode (d).

On the other hand, from the state where ± 0.3 is selected as the Xv value and the display shown in (c) is made, the Tv electronic dial 14 is further rotated clockwise by two steps while the drive switch SWDRIVE is on. And Xv
± 1.0 is selected as the value, and the display shown in FIG. That is, the numerical value 1.0 indicating that ± 1.0 was selected as the Xv value is displayed, and ±
The dot segment at the position of 1.0 is displayed. Here, when the drive switch SWDRIVE is turned off, the Xv value is set to ± 1.0, a bar graph display,
The display returns to the normal photographing mode display while leaving the dot display and the symbol indicating the MAB mode (f).

The display on the LCD display panel 50 when the Xv value is set in the 1/2 Ev step in the MAB mode is also controlled by the IPU 32 as described above.
It is changed through the same process as in the case of the / 3 Ev step.

[0067]

As described above, according to the present invention, it is possible to obtain a camera display device capable of performing at least two types of display.

[Brief description of the drawings]

FIG. 1 is a plan view showing a single-lens reflex camera to which a camera display device according to an embodiment of the present invention is applied.

FIG. 2 is a block diagram illustrating a circuit configuration of the camera in FIG. 1;

FIG. 3 is a plan view showing a state in which all segments of the display device of the camera are displayed.

FIG. 4 is a diagram illustrating a camera display device according to an embodiment of the present invention;
It is a top view showing the state where selection of the photometry mode in E mode was displayed.

5 is a plan view showing a state in which selection of a program line in an AE mode of the display device of the camera in FIG. 4 is displayed.

6 is a plan view showing a state in which selection of an Xv setting step of the display device of the camera in FIG. 4 is displayed.

7 is a plan view showing a state in which light emission selection of a built-in strobe of the display device of the camera in FIG. 4 is displayed.

FIG. 8 is a plan view showing a state in which a film leader unit rewind selection is displayed when the film rewinding of the display device of the camera in FIG. 4 is completed.

9 is a plan view showing a state in which a zooming direction selection of the zooming during exposure of the display device of the camera in FIG. 4 is displayed.

FIG. 10 shows an operation mode selection and L by the IPU 32;
5 is a flowchart showing control of a CD display panel 50.

FIG. 11 is a flowchart showing control performed by the IPU 32 when setting an Xv value.

FIG. 12 shows an LCD display panel 50 under the control of the IPU 32 when the setting of the Xv value is performed in 1/3 Ev steps.
It is a figure which shows the change of the display of.

FIG. 13 shows an LCD display panel 50 under the control of the IPU 32 when the setting of the Xv value is performed in 1/2 Ev steps.
It is a figure which shows the change of the display of.

FIG. 14 is a flowchart showing control by the IPU 32 when setting the Xv value in the stepwise exposure (MAB) mode.

FIG. 15 shows an IPU 32 when setting an Xv value in a stepwise exposure (MAB) mode in 1/3 Ev steps.
FIG. 7 is a diagram showing a change in the display of the LCD display panel 50 under the control of FIG.

[Explanation of symbols]

32 IPU (first and second display means) 50 LCD display panel (display device) 51 Central bar segment (first segment) 52 Left and right bar segments (first segment) 53 1/2 step segment (first segment) 2 segment) 54 1/3 step segment (second segment)

Claims (7)

(57) [Claims] 1. A display device of a camera for displaying various information related to the camera, comprising: first display means for displaying a first segment relating to at least one of a display range and a reference position; Display means for selectively displaying two segments, and displaying at least two or more types of bar graphs by controlling the first and second segments. apparatus. 2. The method according to claim 1, wherein the first segment is a vertically elongated first segment.
A bar segment and a longitudinal direction of the first bar segment
Equal distance from first bar segment in orthogonal direction
And a pair of second bar segments provided with a gap.
e, Wherein the second segment is the first bar segment
3 between each of the pair of second bar segments
A third bar segment at an equally dividing position;
A first bar segment and the pair of second bar segments;
The second is provided at a position that bisects each of the
With four bar segments, The second display means displays the third bar segment;
One of the fourth bar segments is selectively displayed.
The display device of a camera according to claim 1, wherein
Place. 3. When setting an exposure correction value, the first and second exposure correction values are set.
The display means 2 is used as an index for setting an exposure correction value.
Displaying the first to fourth bar segments
A display device for the camera according to claim 2. 4. An exposure correction value is set in 1/2 Ev steps.
In doing so, the first display means and the first and second
Is displayed, and the second table is displayed.
Indicating means for selectively displaying the third bar segment
And When setting the exposure compensation value in 1/3 Ev steps,
The first and second bar segments by one display means.
Is displayed and the second display means
The fourth bar segment is displayed.
A display device for a camera according to claim 3. 5. The first to fourth bar segments
Dot segments are provided near each of
Corresponding to the bar segment indicating the selected exposure compensation value
The dot segment to be displayed is displayed.
Claim 4 A display device for a camera according to claim 1. 6. Before corresponding to said first bar segment
The dot segment has a triangle, the second to the second
The dot segment corresponding to the fourth bar segment
Has a circular shape.
Camera display device. 7. One of said pair of second bar segments
A positive shape is a circle near the dot segment corresponding to
Plus segment displayed in shape display segment
Is displayed, and a mark is displayed near the dot segment corresponding to the other.
The negative shape is displayed in the circular display segment
By displaying a minus segment, you can set the exposure
Clearly indicates whether the output correction value is positive but negative
The display device of a camera according to claim 6, wherein
Place.