JP3056291B2 - Camera operation mode 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 operation mode display device having a plurality of operation modes.

[0002]

2. Description of the Related Art Conventionally, an operation mode display device for a camera which displays a plurality of operation modes for performing various settings relating to the operation of the camera displays only a number assigned in advance for each operation mode. The correspondence between the setting content of each operation mode and the number is described in the operation manual. Therefore, the user sets or confirms the operation mode while confirming the operation mode setting contents corresponding to the number displayed on the operation mode display device by looking at the operation manual.

[0003]

In the above-described conventional operation mode display device for a camera, only the number assigned in advance to each operation mode is displayed, so that the user sets or confirms the operation mode. At this time, the displayed number must be compared with the operation mode setting contents described in the operation manual. In this case, if the user has memorized the setting contents of the operation mode corresponding to the displayed number, there is no need to look at the operation manual, but there are a very large number of operation mode setting contents, and all are stored. That is virtually impossible. However, it is not easy for a general camera user to compare the displayed number with the setting content described in the operation manual every time the operation mode is set, and even if executed, it takes a lot of time and effort. Things. In particular, it is extremely difficult to change the operation mode immediately before shooting at the shooting site. SUMMARY OF THE INVENTION It is an object of the present invention to provide an operation mode display device of a camera that can easily and quickly recognize a selected operation mode without looking at an operation manual or the like.

[0004]

According to the present invention, there is provided a camera operation mode display device which includes various settings relating to camera operation.
In a camera with multiple operation modes
Index when setting data in the specified operation mode and
Multiple bar segments displayed at predetermined intervals
The number of bar segments and the spacing of the arrays
Is variable according to the steps when setting
Which operation mode is selected
At least one of a character symbol and a graphic symbol indicating the function of the code
Is displayed. action mode
The display device displays an operation mode number indicating the operation mode.
The first number segment to be displayed and the
Second number indicating the data number representing the setting contents
Character segment. First number segment
Is a segment that usually indicates the shutter speed.
The second number segment is usually the segment that indicates the aperture value.
Ment. Tables corresponding to each of the bar segments
Multiple dot segments shown and typically a film sheet
Third number segment showing number and imitating strobe light
First symbol segment, imitating film patrone
A second symbol segment, and the data to be set
In the case of the exposure compensation value, multiple bar segments
It is displayed corresponding to each step. First number segment
Operation mode number corresponding to the exposure compensation value setting
When a key is displayed, a bar segment is displayed. When the data number corresponding to the 1/3 Ev step is displayed in the second number segment, five bar segments arranged at equal intervals are displayed, and the data corresponding to the 1/2 Ev step in the second number segment is displayed. When numbers are displayed, seven bar segments arranged at equal intervals are displayed. The dot segment is displayed near the bar segment corresponding to the set exposure correction value. In the first number segment, the built-in
Displays the operation mode number corresponding to the selected flash light
In this case, when the first symbol segment is displayed, and in the second number segment, the data number corresponding to the strobe light emission at the time of photographing is always displayed, only the first symbol segment is displayed and 35 mm When a data number corresponding to prohibition of strobe light emission when the following wide-angle lens is used is displayed, a number indicating the maximum value of the focal length of the lens whose light emission is prohibited in the third number segment is displayed together with the first symbol segment. Is displayed. Film rewind complete in first number segment
Operation mode corresponding to the process selection of the film reader
The second symbol segment is
In the second number segment, when the data number indicating that the film leader is completely wound into the film cartridge is displayed when the film rewinding is completed, the state where the film leader is completely wound is displayed. When a second symbol segment is displayed, and in the second number segment, when the film rewinding is completed, a data number indicating that the film leader is projected from the film cartridge is displayed, the film leader is displayed. The second symbol segment is displayed in which is projected from the film cartridge. When the operation mode number corresponding to the zooming direction selection is displayed in the first number segment, a relatively small first ring shape and a relatively large second ring shape are displayed in the third number segment. The arrangement of the first annular figure and the second annular figure changes according to the zooming direction. If the second number segment corresponds to a zooming direction from wide to tele, a second annular figure is displayed to the right of the first annular figure and the second number segment goes from tele to wide. If it corresponds to the zooming direction, the first annular figure is displayed on the right side of the second annular figure. The first, second and third number segments have a seven segment electrode configuration.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 shows the appearance of a camera provided with a camera operation mode display device according to one 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. A stop 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 value 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 that inhibits light emission is displayed to 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 operation mode selection 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. 7 is a diagram showing a change in the display of 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, the selected operation mode can be easily and quickly recognized without looking at the operation manual or the like.

[Brief description of the drawings]

FIG. 1 is a plan view illustrating a single-lens reflex camera to which a camera operation mode 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 operation mode display device of the camera are displayed.

FIG. 4 is a plan view showing a state in which a selection of a photometry mode in an AE mode of the operation mode display device of the camera according to one embodiment of the present invention is displayed.

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

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

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

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

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

 50 LCD display panel (operation mode display device)

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G03G 17/18-17/20

Claims (15)

(57) [Claims] 1. Various settings relating to operation of a camera are performed.
When setting data in the selected operation mode in a camera having a plurality of operation modes
Multiple bar segments displayed at predetermined intervals
The number of the bar segments and the interval between the bar segments are different from each other.
Variable according to the steps in setting the data
In each of the above, it is determined which operation mode is selected.
At least the characters and symbols that represent the functions of the operation mode
Movement of the camera, characterized in that it can also display one or more I
Operation mode display device. 2. An operation mode number representing the operation mode.
A first number segment for displaying a bar;
Displays the data number indicating the setting contents of the mode.
And a second number segment.
The operation display mode device according to claim 1. 3. The method of claim 1, wherein said first digit segment is normally
A segment indicating the jitter speed,
The number segment is usually the segment that shows the aperture value.
3. The operation mode display device according to claim 2, wherein
Place. 4. A method for each of said bar segments.
Dot segments that are displayed
A third number segment indicating the number of flash
The first symbol segment and the film patrone.
And a second symbol segment set as described above.
When the data is an exposure compensation value, the plurality of bar segments
Be displayed corresponding to each step of the exposure correction value
The operation mode display device according to claim 3, wherein: 5. The method according to claim 1, wherein said first digit segment is exposed.
The operation mode number corresponding to the correction value setting is displayed
In this case, the bar segment is displayed.
The operation mode display device according to claim 4, wherein 6. The method according to claim 1, wherein 1 /
When the data number corresponding to the 3Ev step is displayed, the five bar segments arranged at equal intervals are displayed, and 1 /
The operation mode display device according to claim 5 , wherein when the data number corresponding to the 2Ev step is displayed, seven bar segments arranged at equal intervals are displayed. 7. The operation mode display device according to claim 6 , wherein the dot segment is displayed near the bar segment corresponding to the set exposure correction value. 8. Built-in in said first number segment
Displays the operation mode number corresponding to the flash firing selection.
If indicated, the first symbol segment is displayed
The operation mode display device according to claim 4, wherein
Place. 9. In the second number segment, when the data number corresponding to strobe light emission at the time of photographing is always displayed, only the first symbol segment is displayed, and when a wide-angle lens of 35 mm or less is used. When the data number corresponding to the strobe emission prohibition of is displayed, together with the first symbol segment,
9. The operation mode display device according to claim 8 , wherein a number indicating a maximum value of a focal length of the lens that prohibits light emission in the third number segment is displayed. 10. The method according to claim 1, wherein the first digit segment is
Selection of film reader processing when film rewinding is completed
If the corresponding operation mode number is displayed,
Claim 2 wherein two symbol segments are displayed.
Item 5. The operation display device according to Item 4. 11. In the second number segment,
When the film rewinding is completed, if the data number indicating that the film leader is completely wound into the film cartridge is displayed, the second symbol segment in a state where the film leader is completely wound is displayed. In the second number segment, at the time of completion of film rewinding, when the data number indicating that the film leader is projected from the film cartridge is displayed, the film leader is the film The operation mode display device according to claim 10 , wherein the second symbol segment protruding from the patrone is displayed. 12. When the operation mode number corresponding to the zooming direction selection is displayed in the first number segment, a relatively small first annular figure and a relatively large number are displayed in the third number segment. The operation mode display device according to claim 4, wherein a second annular graphic is displayed. 13. The operation mode display device according to claim 12 , wherein an arrangement of the first annular figure and the second annular figure changes according to the zooming direction. 14. When the second number segment corresponds to a zooming direction from wide to tele,
The second annular figure is displayed on the right side of the first annular figure, and when the second number segment corresponds to a zooming direction from tele to wide, the second annular figure is displayed on the right side of the second annular figure. The operation mode display device according to claim 13 , wherein the first annular graphic is displayed. 15. The operation mode display device according to claim 4, wherein the first, second, and third numeral segments have a seven-segment electrode configuration.