JP3436944B2 - Camera with date display function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention
Display function of date (date) information such as year, month, day, hour, minute, etc.
Camera, especially the date on which the date information can be imprinted
The present invention relates to a camera with a display function. [0002] 2. Description of the Related Art As an example of a conventional camera with a date display function,
Thus, the invention disclosed in Japanese Patent Application Laid-Open No. 3-231727 is disclosed.
You. Hereinafter, portions of the conventional example related to the present invention will be described.
It will be explained briefly. FIG. 15 shows an example of a display of a conventional camera.
FIG. 15A shows a display state during normal shooting.
FIG. 15B shows a date display (date table).
FIG. In addition, FIG.
(B) shows a top view and a rear view of the camera of the conventional example.
ing. In the above conventional example, the segment of the display device 51 is
Part of the display is used for both shooting information display and date display.
You. That is, the shutter speed enclosed by the broken line in FIG.
Display part 51a of degree “125” and aperture value “5.6”
And the date "'89 12 enclosed by a broken line in FIG.
  24 ”is shared by the display portion 51b.
You. [0005] The date display is performed by this camera.
In this case, the date mode button 100
Press (FIG. 16) and rotate dial 101 to the desired
Select and display a date. Also, when setting the date
In the case, the year setting button 102, the month setting button 103, the day setting button 1
04 and dial 101 are used. [0006] SUMMARY OF THE INVENTION In the above-mentioned conventional example, photographing is performed.
Use some of the information display segments to display dates
To improve the economy, but for date display,
It is necessary to perform special operations using dedicated buttons such as the date mode button.
It was inconvenient for the camera user. [0007] The present invention has been made in view of the above problems.
Yes, a segmenter that displays the number of frames shot on the camera film
The date is displayed using part of the
Date display function to easily display and check the date in the work
It is intended to provide an attached camera. [0008] [0009] A date table according to claim 1
The camera with display function has a lens barrel that houses the taking lens.
Located in the first position,FirstStart signal by switch
Before it occurs,About datesDisplay the first information
In a state where the lens barrel is located at the first position,First
ofWhen a start signal is generated by the switch, the lens
When the lens barrel is located at the second position,Number of shots
With the second informationFlash modeThird information
Out of common segments that display at least one of
Display means,A second switch, and a second switch.
H, the lens barrel is located at the first position and the display means is at the first position.
When information 1 is displayed, the first
Switch the information display mode of the camera, and move the lens barrel to the second position.
And the display means is displaying the third information.
The flash mode, and
Switch the display mode to indicate the
The tube is located at the second position, and the display means displays the second information
The second information is received by the external input signal.
To change the display content to the first informationSpecially
Sign. [0010] [0011] [0012] [0013] A camera with a date display function according to claim 1
In this case, the lens barrel accommodating the taking lens is located at the first position.
PlaceFirstBefore the switch generates a start signal
In addition,About datesThe first information is displayed on the lens mirror
With the tube in the first position,FirstBy switch
The start signal is generated, and the lens barrel is moved to the second position.
When located inNumber of shotsSecond informationS
About flash light emission modeOf the third information, at least
Also show one,The display of the common segment is
When located at the second position, it is
Changes the display content from the second information to the first information.
By doing so,Display segment of liquid crystal display section 4
Part of the document, the number of frames shot on the film and the date
Economy can be improved by sharing the display.
In the shooting operation, the date mode status
You can confirm by pressing the close button halfway. [0015]Claim 2Camera with date display function described in
In this case, the first information is information about a date,
The information of No. 2 is information on the number of shot frames, and the third information
The information is information about the flash mode of the flash,
Is located in the first position, the
Changes the date information, and moves the lens barrel to the second position.
When you place the flash, the strobe
By changing the information about the optical mode
A part of the display segment of the liquid crystal display 4
Display the number of shots, display the date, and
Economy can be improved by also using the light mode display.
The date mode status during shooting.
It can be confirmed simply by pressing the release button halfway. [0016] [0017] FIG. 1 shows a camera having a date display function according to the present invention.
FIG. 3 is a block diagram illustrating a configuration of an example. In FIG. 1, the control operation of the entire camera is integrated.
The microcomputer 1 to be grouped includes switches.
The main switch (MS) for starting the camera operation
W) 21 and a button for selecting a flash photography mode.
Shooting of the Trobo switch (SBS) 22 and the self-timer
Mode switch (MOS) 23 for selecting a mode
And a half-press switch that turns on when the release button is pressed halfway
(Half-pressed SW) 24 and on when release button is fully pressed
Release switch (release SW) 25
A lens barrel position detection switch for detecting the position (the lens barrel position
Detection SW) 26 and a battery cover switch for identifying the battery loading.
H (power cover SW) 27 and date (date) on film
A date imprint switch 28 for imprinting is connected.
In the switches 21 to 28, the lens barrel position
All switches except the position detection switch 26 are momentary switches.
Yes, switch automatically resets when user releases hand
It is. The microcomputer 1 includes a liquid crystal display.
Display unit 4, lens barrel driving circuit 5, photometric circuit 7, distance measuring circuit 8,
Feeding circuit 9, date imprinting circuit 10, lens driving circuit 1
1, shutter drive circuit 12, and strobe drive circuit 1
3 are connected. A liquid crystal display (LCD) 4 is a camera body.
(Main body), and from the microcomputer 1
According to the output signal, set the shooting mode and imprint the date
Displays necessary information when setting the mode, etc.
I do. The lens barrel driving circuit 5 includes a lens barrel that houses a photographing lens.
(Not shown) is connected to a motor 6
Time required by the microcomputer 1
To drive the lens barrel. The photometric circuit 7 is a micro
The brightness of the subject at the required timing according to the instruction of the computer 1
Is measured and transferred to the microcomputer 1. Distance measurement
The road 8 is required by the microcomputer 1
Measure the distance to the subject at the appropriate timing
To the computer 1. The feeding circuit 9 is a microphone
The film is wound up one frame by the instruction of the computer 1.
And rewind the film to a patrone (not shown)
You. The date imprinting circuit 10 includes the microcomputer 1
Data in the microcomputer 1
Imprint on the film surface. The lens drive circuit 11 is a microcomputer
The lens is driven in response to a command from the data 1. Shutter drive
The operation circuit 12 responds to a command from the microcomputer
To drive a shutter (not shown). Strobe drive circuit
Reference numeral 13 denotes a storage corresponding to a command from the microcomputer 1.
Drive a robo (not shown). The microcomputer 1, a liquid crystal display
Unit (LCD) 4, lens barrel drive circuit 5, photometric circuit 7, distance measuring circuit
Road 8, feeding circuit 9, date imprinting circuit 10, lens driving
Circuit 11, shutter drive circuit 12, strobe drive circuit 1
Battery 3 is connected to 3 and power is supplied. The microcomputer 1 is a one-chip microcomputer.
Computer with built-in ROM2 and RAM3
And controls the entire camera sequence. In addition, liquid
It also has a function of driving the crystal display unit 4. Hereinafter, the operation of this embodiment will be described.
However, it is assumed that there are the following prerequisites. In this embodiment, the strobe mode is
Automatic flash, red-eye reduction, flash off, forced flash, slow sync
Assume that there are five types of black. Further, the date mode includes “year / month / day”,
"Month / Year", "Sun / Month / Year", "Date and Time", "Off"
Mode. Also set the date mode
There are a selection mode and a correction mode. Selection mode
Then, one of the above five date modes is selected.
In the correction mode, the clock data (year, month, date,
Correct the time setting for hours, minutes). In this embodiment, a date table such as date
The indication is simply “date display” and the number of frames shot on the film.
The display may be simply referred to as “counter display”. Under the above prerequisites, the whole of this embodiment
The flow of the operation will be described. FIG. 2 explains the overall operation of the embodiment of FIG.
FIG. 2 is a flow chart for
The chart will be described. Note that this flowchart
And sign the meaning of the steps on the flowchart
It is represented by "S". The process starts from S100. S10
In 1, the battery is installed and the battery cover switch 27 is turned off.
Then, the flow branches to S108 to perform date initialization processing.
U. The date initialization process will be described later. In S102, the main switch (MS)
W) When the switch 21 is detected to be on, the process branches to S109, where
Switch processing (MSW processing). After completion of the main switch processing, or
When the switch 21 is not turned on, S103
Return to the switch status confirmation loop of S106
Switch 21, strobe switch 22, mode switch
23, half-press switch 24
Alternatively, the lens barrel is retracted by the lens barrel position detection switch 26.
Continue to check if it is in place. In S106,
When it is confirmed that the lens barrel is at the retracted position, the process proceeds to S107.
And terminate the process. After the above processing is completed, the main switch 21
, And when the main switch 21 is turned on, S
The process is restarted from 100. In step S103, the flash switch 22
When the switch is detected to be on, the process branches to S110, where
Call switch processing. In S104, the mode switch
When the switch 23 is detected to be on, the flow branches to step S111 to
Call switch processing. In S105, half-press
When the switch 24 is turned on, the process branches to S112.
Then, the photographing process is called. Main switch processing, strobe switch processing
Processing, mode switch processing, and shooting processing will be described in detail later.
However, when those processes are completed, S102 to S1
Return to the loop of 06 and confirm that each switch is on again.
I can. Next, each subroutine in the flowchart of FIG.
The processing of the routine will be described. FIG. 3 is a flowchart showing the operation of S10 in the flowchart of FIG.
8 is a flowchart showing a date initial setting process of No. 8;
Hereinafter, this flowchart will be described. At S101 in FIG. 2, the battery cover switch 27 is changed.
When the confirmation is made, the process proceeds to S108, and the date initial setting process is performed.
Call. The date initial setting process is performed in step S120 in FIG.
First, in S121, date imprint
Turn off only mode. In S122, the date
The render is set to a predetermined date (in this example, January 1, 1993).
Days). In S123, the clock is
Initially set to a fixed time (0:00 in this example), S12
At 4, the timing is started. In S125, the liquid crystal display unit 4 is turned off.
The process returns from S126 to the flowchart of FIG. FIG. 4 is a flowchart showing the operation of S10 in the flowchart of FIG.
9 is a flowchart showing a main switch process of No. 9;
Hereinafter, this flowchart will be described. At S102 in FIG. 2, the main switch 21 is turned off.
After confirming the main routine, the process proceeds to S109, and the main routine shown in FIG.
Call switch processing. The main switch process starts from S200.
First, in S201, the lens barrel position detection switch
26 is detected, and whether the lens barrel is in the retracted position
to decide. When the lens barrel is at the retracted position, the process proceeds to S202.
The date correction mode flag is released. Next, S20
At 3, the microcomputer 1 is connected via the lens barrel drive circuit 5.
Drive the motor 6 to extend the lens barrel to the photographing position,
Proceed to step 04 to display the shooting mode on the liquid crystal display unit 4
(See FIG. 10). In S205, whether date imprint mode is off
It is confirmed whether the liquid crystal display unit 4 is turned off in S206.
Turn off the print (PRINT) mark.
Turn on the print (PRINT) mark in S207
(FIG. 10). Thereafter, the process proceeds to S208. In step S201, the lens barrel is not at the retracted position.
When it is determined to be, the process proceeds to S209, and in S209,
The motor 6 is driven by the lens barrel drive circuit 5, and the lens barrel is retracted.
Rolled into position. Next, the process proceeds to S210, where the liquid crystal display
The date imprint data is displayed in the section 4 (FIGS. 9 and 11).
In, 93 (year) 10 (month) (M) 25 (day)
Date is shown). Then, the process proceeds to S208.
You. In S208, the main switch 21
Wait for it to be turned off. Main switch 21 turns off
Then, the process returns from S211 to the flowchart of FIG. FIG. 5 is a flowchart showing the operation of S11 in the flowchart of FIG.
0 is a flowchart showing a strobe switch process of 0.
Hereinafter, the flowchart will be described. In step S103 of FIG.
After confirming that the switch is on, the process proceeds to S110, and the flash shown in FIG.
Call boswitch processing. The flash switch process starts at S300.
In step S301, the lens barrel position detection switch is started.
Detects the state of the switch 26 and checks whether the lens barrel is in the retracted position.
Judge. If the lens barrel is not in the retracted position, the flow advances to step S310.
Then, the SB mode (strobe mode) is switched. S
B mode is automatic flash mode, red eye reduction mode, flash off
5 modes: stop mode, forced flash mode, slow sync
Yes, when it was in the automatic flash mode,
When the red-eye reduction mode is set, the flash
When the flash mode is set to
If it was a slow sync, slow sync
Switch to the automatic flash mode when the
2). Thereafter, the flow shifts to S311, where the stroboscopic switch
Wait for switch 22 to turn off. Flash switch 22 is off
Then, the process returns from S309 to the flowchart of FIG. When the lens barrel is at the retracted position in S301,
Proceed to S302. In S302, the date has already been corrected
Check if you are in mode. It is said that the user is not in the date correction mode
This is the selection mode, the process proceeds to S303,
Vertically (set to "1") and turn on the strobe switch 22 once
It is possible to identify that this is an eye pressing operation. At S304, a 2 second timer (micro
Computer 1 is built in)
It is checked whether the switch 22 is on.
After the two-second timer starts, in S305, the stroboscopic
It is determined whether or not the switch 22 is off.
To S317, and if the ON state is continued, S30
5. Loop around S306. When the timer times out in S306
(If the strobe switch 22 is on for more than 2 seconds
), A correction mode flag is set in S307 (this
Is determined when the process proceeds to S302 again later.
). While the correction mode flag is set,
Enter the port correction mode. After that, proceed to S308,
The left part of the display unit 4 is blinked. Then, from S309
Returning to the flowchart of FIG. The date display on the liquid crystal display unit 4 is shown on the left,
It is displayed in three blocks, the middle part and the right part.
These blocks are represented by two decimal digits (FIG. 9,
See FIG. 11). Corrections are made in the order of left, middle and right
You. When entering the correction mode, first flash the left part,
Indicates that the left can be modified. For example, select mode
When the date is “year / month / day”, “year” is displayed on the left and
"Month" is displayed, and "Day" is displayed on the right. Enter correction mode
First, the “year” on the left (in the case of the examples in FIGS. 9 and 11)
"'93" flashes to indicate that the year can be modified
You. In S302, the correction mode has already been entered.
If it is determined that it is, the process proceeds to S312. In S312
Indicates whether the right part (“25” in FIGS. 9 and 11) is blinking
Check if. When the right part is blinking,
All the corrections have already been completed, and S314
To end the blinking display on the liquid crystal display unit 4, and in S315, the correction mode
Release the mode flag. This exits the correction mode
You. Then, in step S316, the flash switch 22 is turned off.
Wait, and if the flash switch 22 is turned off,
Returning to the flowchart of FIG. If the right part is not blinking in S312, it is corrected
Shift digit (flashing position). Left part (FIG. 9, FIG. 11)
Of the middle part (“93” of FIG. 9) is blinking (FIG. 9 and FIG. 11).
"^M10 ”), if the middle part is blinking, the right part (FIG. 9, FIG.
11 “25”). Then, in S316,
Wait for the flash switch 22 to turn off,
2 is turned off, the process proceeds from S309 to the flowchart of FIG.
Return. In step S305, the flash switch 22
Turns off (the strobe switch 22 is turned on once.
(When turned off before 2 seconds have elapsed)
The process proceeds to S317 of the flowchart, where the flag A is set in S317.
Judge whether it is “0” or “1”.
When the switch 22 is turned on again for two seconds, it will be described later.
The flag A is reset to "0" in S321), S3
The five-second timer is started in S18, S320, S32
3. Enter the loop of S324, and
Waiting on. At S317, when the flag A is "1" (the
When the trobo switch 22 is turned on / off only once
), Start a 2-second timer in S319
To enter the loop of S320, S323, and S324, and
Of the strobe switch 22 is turned on. In the loop of S320, S323 and S324
Then, within 5 seconds or 2 seconds, the strobe switch 22
Is turned on again, the process proceeds to S321, where the flag A is
The value is set to “0”, and a date mode switching process is performed in S322. In the date mode, "date", "date",
There are five modes: “day, month, year”, “date and time”, and “off”.
For “year / month / day”, it is “month / day / year”, and for “month / day / year”
For "Sun / Month / Year", for "Sun / Month / Year", enter
In the case of "hours and minutes", each is switched to "off" (FIG. 1
3). Then, the process returns to S304, where the 2-second timer is started.
(A timer to enter the correction mode). Less than
The process proceeds to S305, and returns to the operation from S305 described above.
You. The processing of S320, S323, and S324
In step S323, other switches (main
Switch 21 etc.) is turned on, from S325
Returning to the flowchart of FIG. In S324, the strike
5 seconds without the ROBO switch 22 being pressed (S31
8) or the timer time of 2 seconds (S319) has elapsed
At this time, the process returns to the flowchart of FIG. 2 from S325. Although the timer is set to 2 seconds in S319,
On the other hand, in S318, the length is increased to 5 seconds according to the following reason.
It depends. That is, when the flag A is "1" (strobo
When switch 22 has been turned on only once)
Another strobe switch 22 (or other switch)
Since the user only determines whether or not to turn on the
Does not require as long a consideration time. However, hula
When the date A is "0", the date mode is switched
So you need to give the user more time to think
It is. FIG. 7 is a flowchart showing the operation of S11 in the flowchart of FIG.
6 is a flowchart showing a mode switch process of No. 1;
Hereinafter, this flowchart will be described. In S104 of FIG.
After confirming that the switch is turned on, the process proceeds to S111, and the mode shown in FIG.
Call switch processing. The mode switch process starts from S400.
First, in S401, the lens barrel position detection switch
Read the status of No. 26 to check if the lens barrel is in the retracted position.
Admit. If the lens barrel is not at the retracted position, the process proceeds to S406.
Switch the shooting mode. The shooting mode includes a normal shooting (release) mode.
Mode, forced ∞ mode, single self mode, double cell
There are four types of mode
Thus, the switching is sequentially performed (see FIG. 14). Force mode
Then, when you press the release button fully,
The shutter is operated (opened) until the full press is released.
In single self mode, press the release button fully
When a certain period of time has passed since the
Made. In double self mode, single self mode
When a fixed time that is twice as long as
Is operated. In the release mode, press the release button
Command corresponding to the photometry result is issued.
Until the shutter is operated. Thereafter, the process proceeds from S406 to S407, where
Wait until the mode switch 23 is turned off. Mode switch
When the switch 23 is turned off, the flow from S405 to the flowchart of FIG.
Return to In S401, it is determined that the lens barrel is at the retracted position.
If so, the process proceeds to S402. Modification mode already in S402
Check that the device is in the storage
When the robo switch 22 is turned on for 2 seconds or more, S3 in FIG.
07, the correction mode is set.
The correction mode is released at 15). Enter correction mode
If not, the process proceeds to S404 and the mode switch 23
Wait off. When the mode switch 23 is turned off, S40
5 returns to the flowchart of FIG. When in the correction mode in S402
Shifts the clock data in S403. Left, middle,
In the right part, the data of the block that is blinking at that time
("Year", "Month", "Day", "Hour" or "Minute")
(Or -1) is added. For example, if the display mode is
The day is flashing with the year on the left set to 94
To change the year from "94" to "95", flash
I do. Then, in S404, the mode switch 23 is turned off.
After confirmation, the process returns from S405 to the flowchart of FIG. FIG. 8 is a flowchart showing the operation of S11 in the flowchart of FIG.
2 is a flowchart showing a photographing process of FIG.
The photographing process will be described with reference to a flowchart. In step S105 of FIG.
When the confirmation is made, the process proceeds to S112, and the photographing process of FIG.
To The photographing process starts from S500.
First, in step S501, the state of the lens barrel position detection switch 26 is set.
And confirm that the lens barrel is in the retracted position. mirror
When the cylinder is in the retracted position, shooting is prohibited, and
Returning to the flowchart of FIG. If the lens barrel is not at the retracted position, the flow advances to step S502.
Proceed, and here the film count display on the liquid crystal display unit 4
(In S204 of FIG. 4, the photographing frame number table as shown in FIG. 10)
Is changed to a date display as shown in FIG.
Replace. As shown in the figure, the mode-related table
The indication does not go away. Then, the process proceeds to the next S503. In S503, a signal is sent to the photometric circuit 7.
And execute photometric processing. Detailed description of photometric processing is omitted.
However, the amount of light input to the light receiving element in the photometric circuit 7
The body brightness is calculated, and the shutter opening time is obtained. simultaneous
To determine if the brightness is low, and if
To determine In the automatic flash mode, depending on the brightness
The necessity of strobe light emission is determined. In flash off mode
Is a non-light emission determination regardless of the luminance. Flash mode
At the time, light emission is determined regardless of luminance. Next, a distance measurement process is executed in S504.
You. Microcomputer 1 starts distance measurement to distance measurement circuit 8
The signal is sent, and the distance measuring circuit 8 starts the distance measuring process. Distance measuring station
Although the details of the processing are omitted, when the distance measurement is completed, the distance measurement circuit 8
Outputs the distance measurement result to the microcomputer 1. In step S505, is it necessary to use a strobe light?
Check if it is not necessary to use strobe light
Proceed to 6. If strobe light is required, proceed to S519
Check if the flash is fully charged.
If the charging has been completed, the process proceeds to S506. Charging is complete
If not, the process proceeds to S520 and the half-press switch 24
Wait for off. At this time, no shooting is performed. Half-pressed sui
When the switch 24 is turned off, the date display of FIG.
Is returned to the counter display of FIG. 10, and from S518, the counter of FIG.
Return to the flowchart. When the strobe does not fire or when the strobe
When charging is completed in step S506, shooting is possible.
Proceed to the loop. In S506, the release switch
It is determined whether 25 has been turned on. Release switch
If the switch 25 is turned off, the process proceeds to S507, where the switch is half-pressed.
It is determined whether the switch 24 is turned on. Half
When the push switch 24 is in the ON state, S50
Returning to step 6, whether the release switch 25 is turned on
A process is performed to determine the That is, the release button (not shown) is pressed halfway.
After passing through S502, S506 and S
The process of 507 is repeated. As mentioned above,
In the state, the liquid crystal display unit 4 is displayed by the processing of S502.
Indicates the date shown in FIG. Extend the lens barrel
In this state, the processing in FIG.
The display of the number of shot frames shown in FIG.
User presses the release button halfway
By doing so, this display is changed to a date display as shown in FIG.
Can be replaced. This allows the user to copy
You can check the date to perform. After such confirmation, half-press switch
When the switch 24 is turned off (when the release button is half-pressed,
(When released), the process proceeds to S508, and the display of the liquid crystal display unit 4 is performed.
From the date display state shown in FIG. 9 to the shooting code shown in FIG.
It can be switched to the number display mode. And the shooting process is over
Is completed. In step S506, the release switch 25
Is determined to have been turned on, the process proceeds to step S509.
Then, the display of the liquid crystal display unit 4 is changed to the date display state shown in FIG.
Is switched to the shooting frame number display state shown in FIG.
You. Next, in S510, the self mode is set.
Is set, and self mode is set.
If so, the process proceeds to S511 and waits for 10 seconds.
To work. When the self mode is not set
Is skipped in step S511. Next, the flow advances to S512, where the lens drive processing is performed.
Is performed. At this time, the microcomputer 1
Control the lens driving circuit 11 to bring the taking lens to a predetermined position.
Move. Next, in step S513, the shutter is opened and closed.
Works and you need to use the strobe at the same time
In, the strobe is driven. That is,
The microcomputer 1 controls the shutter drive circuit 12
To operate the shutter for a predetermined time. This operating time
(Opening time) is calculated by the process of S503.
You. At this time, the microcomputer 1
Controls drive circuit 13 to emit strobe light as needed
Let it. Note that this is not shown in the flowchart.
However, after the flash fires, the flash
Once started and when charging is complete, charging is stopped. Next, the flow advances to S514, where the lens return processing is executed.
Is performed. That is, at this time, the microcomputer 1
Controlling the lens drive circuit 11 to return the taking lens to its original position.
Attribute. In S515, the date (date) is copied.
Is performed. That is, the date imprint switch 28
Is operated to command imprint of the date (date).
In this case, the microcomputer 1 has a built-in clock device.
Date data obtained as a result of
Is the date displayed on the LCD unit 4)
Output to imprinting circuit 10 and imprint this on film
Let In this embodiment, the film is
I tried to imprint the date before winding up.
During winding (feeding), for example,
The LED (not shown) emits light to print the date in dot form.
It is also possible to insert. Further, in step S516, the feed circuit 9
Hoist the film. Then, proceed to S517, and press halfway.
Wait for the switch 24 to turn off. Half-press in S517
After confirming that the switch 24 is turned off, the process proceeds from S518 to FIG.
Return to the flowchart. [0089] [0090] [0091] 【The invention's effect】Claim 1Camera with date display function described in
According to the operation state of the release button,Shooting frame
Display of numbers and display of datesLike to switch
To improve the economy and easily display
Switch to check the date and the number of shots, improving operability.
Up.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of an embodiment of a camera with a date display function according to the present invention. FIG. 2 is a flowchart for explaining the overall operation of the embodiment of FIG. 1; FIG. 3 is a flowchart showing a date initial setting process of S108 in the flowchart of FIG. 2; FIG. 4 is a flowchart showing a main switch process of S109 in the flowchart of FIG. 2; FIG. 5 is a flowchart showing a flash switch process of S110 in the flowchart of FIG. 2; FIG. 6 is a flowchart following FIG. 5; FIG. 7 is a flowchart showing a mode switch process of S111 in the flowchart of FIG. 2; FIG. 8 is a flowchart showing a photographing process of S112 in the flowchart of FIG. 2; FIG. 9 is a diagram illustrating a display state when a release button on the liquid crystal display unit is half-pressed. FIG. 10 is a diagram showing a counter display state on the liquid crystal display unit. FIG. 11 is a diagram illustrating a date display state on the liquid crystal display unit. FIG. 12 is a diagram for explaining a flash mode switching process. FIG. 13 is a diagram for describing a date mode switching process. FIG. 14 is a diagram for describing a switching process of a shooting mode. FIG. 15 is a diagram showing an example of a display of a conventional camera. FIG. 16 is a top view and a rear view of a conventional camera. [Description of Signs] 1 microcomputer 2 ROM 3 RAM 4 liquid crystal display unit 5 lens barrel drive circuit 6 motor 7 photometry circuit 8 distance measurement circuit 9 feed circuit 10 date imprint circuit 11 lens drive circuit 12 shutter drive circuit 13 strobe drive Circuit 21 Main switch 22 Strobe switch 23 Mode switch 24 Half-press switch 25 Release switch 26 Lens barrel position detection switch 27 Battery cover switch 31 Battery

Continuation of the front page (72) Inventor Isao Some 3-2-2-3 Marunouchi, Chiyoda-ku, Tokyo Nikon Corporation (56) References JP-A-56-6225 (JP, A) JP-A-62-69251 (JP) JP-A-2-165129 (JP, A) JP-A-58-16222 (JP, A) JP-A-61-53625 (JP, A) JP-A-50-113225 (JP, A) JP-A-3-233535 (JP, A) JP-A-2-210431 (JP, A) JP-A-3-294832 (JP, A) JP-A-62-270932 (JP, A) JP-A-61-296337 (JP, A) A) JP-A-6-186627 (JP, A) JP-A-6-186629 (JP, A) JP-A-6-222444 (JP, A) JP-A 62-65639 (JP, U) JP-A 58-186 −113030 (JP, U) JP-A 4-133239 (JP, U) JP-A 53-74226 (JP, U) JP-A 2-17729 (JP, U) (58) Fields surveyed (Int.Cl) . ^7, DB name) G03B 17/18 - 17 / 20,17 / 36

Claims (1)

(57) Claims 1. A first switch for generating a start signal by a photographer's operation, and a lens before the start signal is generated by the first switch. When the lens barrel is located at the first position and the activation signal is generated by the first switch in a state where the lens barrel is located at the first position, the lens barrel is moved to the second position. A camera with a date display function for moving the lens barrel to the second position until the next activation signal is generated by the first switch. Before the start signal is generated by the first switch, the first information on date is displayed, and the lens barrel is positioned at the first position, and By the first switch When the lens barrel is located at the second position due to the generation of the start signal, the camera frame
That of the third information relating to the second information and the strobe light emitting mode includes a display means comprising a common segment that displays at least one, and a second switch, the second switch, the lens barrel Is the first place
And the display means displays the first information.
When the first information is displayed by the operation of the photographer.
Display mode is switched, and the lens barrel is moved to the second position.
And the display means displays the third information.
The flash firing mode by the photographer's operation.
Mode, and a display mode representing the mode is switched, wherein the display means is such that the lens barrel is located at the second position,
When the display means is displaying the second information,
The first information from the second information by an input signal from the
A camera with a date display function, which changes the display content of the information .