JPH10197939A - Display device for camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device by which display is easily confirmed as necessary regardlessly of brightness on the periphery and operation is facilitated. SOLUTION: This device is provided with an LCD 18 for displaying the photographing information of the camera, an electro-luminescence element(EL) 19 for illuminating the LCD 18, a stroboscopic circuit 23 for irradiating a subject with auxiliary light, a switch input part 24 for detecting the on-state of power, a film state detection circuit 11 for detecting the loading of film, automatic loading, automatic rewinding and the change of the frame number, and a CPU 1 having a set time variable timer for controlling the lighting time of the EL 19. When change is found in the detected information, the CPU 1 sets the lighting time in accordance with the content of the change so as to light the EL 19, and when the stroboscopic circuit 23 is in the midst of charge, the CPU 1 inhibits the lighting of the EL 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for a camera, and more particularly, to a display device for a camera in which display means for displaying photographing information of the camera is illuminated by display illuminating means including an electroluminescent element.

[0002]

2. Description of the Related Art Conventionally, a liquid crystal display device has been frequently used as a display device for displaying various information in various devices. When this liquid crystal display device is used alone, it is not possible to confirm the display when the surroundings become dark, so a commonly used liquid crystal display device uses a backlight or the like from the back of the liquid crystal display device. By illuminating the display, the display can be confirmed even in a dark place.

As a backlight used in such a liquid crystal display device, for example, a light emitting diode (LED) or an electroluminescence element (EL) is used as a light source.

The above-mentioned electroluminescent element (E
L) has the advantage that relatively uniform illumination can be performed over the entire display surface, but on the other hand, the driving circuit required to drive the electroluminescent element (EL) has a large scale and a long life. The light emitting diode (L
ED). further,
Electroluminescent devices (ELs) consume a small amount of power, so that portable devices such as cameras that require miniaturization cause an increase in the size of a power supply battery and a shortened battery life, which is a drawback. ing.

To cope with such a problem, Japanese Patent Laid-Open Publication No.
JP-A-142696 discloses a liquid crystal display device with an EL light source, which forms one system together with an information input device and an external information receiving device, within a predetermined time after input from the information input device and a predetermined time after receiving information from the outside. A liquid crystal display device in which an EL light source attached to the liquid crystal display device is turned on is described.

That is, when a key input or a reception from outside the device is detected, the power consumption is suppressed by using a control method of turning on the backlight by the EL light source for a predetermined time. In this manner, the display is automatically illuminated when a key input or the like is performed, so that the displayed information can be viewed brightly and easily without any special operation.

Japanese Utility Model Laid-Open No. 3-105879 discloses a personal computer in which a display unit with a backlight is rotatably provided on a main body including a keyboard via a hinge mechanism. A display device includes a sensor that is turned on / off in conjunction with opening and closing of the unit, and a control circuit that turns off the backlight according to a display unit closed state detection signal of the sensor.

[0008]

Generally, in a camera, when the power is turned on for photographing, photographing is immediately started immediately after the photographing is enabled. In addition, before and after shooting, the camera gives the photographer
For example, a photographing state such as a battery remaining amount warning, a film setting state, and an update of the number of frames may be notified regardless of the operation of the photographer. The technique described in Japanese Patent Application Laid-Open No. 57-142696 cannot cope with the case where the key input or the receiving operation from the remote controller or the like is not performed. The photographer must perform some key input operation to check the display, which is inconvenient.

When the technical means described in Japanese Utility Model Laid-Open Publication No. 3-105879 is applied to a camera, the camera is turned on while the power of the camera is turned on by, for example, opening a sliding lens barrier. Since the light continues to be lit, the battery is significantly consumed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a camera operation device which can be easily viewed when necessary without depending on ambient brightness, and which can be easily operated. It is an object.

[0011]

In order to achieve the above object, a camera display device according to a first aspect of the present invention includes a non-light emitting type display means for displaying photographing information of the camera, and an electroluminescent element. A display illumination unit that illuminates the display unit, a detection unit that detects an operation state of each unit of the camera, and a set time variable timer that controls a lighting time of the display illumination unit. And control means for controlling at least the lighting operation of the display illumination means based on the control information.

The display device for a camera according to the second invention is the display device for a camera according to the first invention.
When there is a change in the photographing information of the camera or the operation state of each part of the camera, the control means sets a lighting time according to the content of the change and turns on the display illumination means.

Further, in the camera display device according to a third aspect of the present invention, in the camera display device according to the first aspect of the present invention, the detected change in the operation state of each part of the camera includes a power-on operation, a film loading operation, and an automatic loading operation. , A change in the number of photographed frames, and an auto-rewind operation.

Therefore, in the display device of the camera according to the first invention, the non-light emitting type display means displays the photographing information of the camera, the display lighting means including the electroluminescence element illuminates the display means, and the detecting means is Control means having a timer for changing the set time for detecting the operation state of each part of the camera and controlling the lighting time of the display illumination means controls at least the lighting operation of the display illumination means based on the detected operation state of each camera part. Control.

In the display device for a camera according to a second aspect of the present invention, when there is a change in the photographing information of the camera or the operation state of each part of the camera, the control means sets a lighting time according to the content of the change. At the same time, the display illumination means is turned on.

Further, in the camera display device according to the third aspect of the present invention, the detected change in the operation state of each part of the camera is as follows.
It includes at least one of power-on, film loading, auto-load operation, change in the number of shot frames, and auto-rewind operation.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 9 show an embodiment of the present invention, and FIG. 1 is a block diagram mainly showing an electric configuration of a camera.

This camera has a CPU 1 which is a control means comprising a microcomputer for controlling all operations of the camera and which is a display control means.
Are connected to peripheral circuits as described below via control lines and communication lines.

The photographing lens of the camera includes a zoom control optical system 2 for changing the focal length, and an aperture / shutter drive system 3 for controlling the amount and passage / blocking of a light beam.
And a focus control optical system 4 for adjusting the focus.

The focal length (zoom position) or the retracted position of the zoom control optical system 2 is detected by a zoom / retract position detecting circuit 9 serving as detecting means, and the focus position of the focus control optical system 4 is detected by a focus position detected by detecting means. The circuit 10 detects each of them.

Of the above, the zoom control optical system 2, the focus control optical system 4, the zoom / collapse position detection circuit 9, and the focus position detection circuit 10 are controlled by a zoom / focus drive circuit 6 as a photographing lens drive control means. ,
The drive of the shutter drive system 3 is controlled by an aperture / shutter drive circuit 7 which is a drive control means of the photographing lens.

The zoom / focus drive circuit 6 and the aperture
The shutter drive circuit 7 is connected to the CPU via a communication line.
1, and each of them is controlled by a command from the CPU 1.

A film 5 is disposed at a position where an image of the light beam guided from the photographing lens is formed. The film 5 is a film detecting means for detecting whether or not the film is loaded, the type of the film, the film position, and the like. State detection circuit 11
Is to be detected.

The film 5 and the film state detecting circuit 11 are a film detecting drive circuit 8 as a film driving means.
The film detection drive circuit 8 is also connected to the CPU 1 via a communication line.

This camera can be controlled by a remote controller (hereinafter abbreviated as a remote controller).
A remote control receiving unit 15 is provided as detection means for receiving an infrared light signal transmitted from a remote control disposed outside the camera. The remote control receiving section 15 is driven and controlled by a remote control drive circuit 12 connected to the CPU 1 via a communication line.

The distance measuring unit 16 includes the AF driving circuit 1
3, the photometric unit 17 is driven and controlled by the AE drive circuit 14, respectively.
The drive circuit 13 and the AE drive circuit 14 are also connected to the CPU 1 via a communication line.

The CPU 1 further controls the following units.

First, control of the LCD 18 as display means is performed. An electroluminescent element (hereinafter abbreviated as EL) 19 as a display illumination means is arranged on the back side of the LCD 18, and the CPU 1 also controls an EL drive circuit 20 as an illumination control means for driving the EL 19. It has become. The EL drive circuit 20 is connected with an inductor 21 and a capacitor 22 for determining an EL drive voltage and a drive frequency.

The CPU 1 has a strobe circuit 23 for irradiating the subject with auxiliary light, a power switch, a mode changeover switch, a flash selection switch, a release switch, a data selection setting switch, a zoom switch, a rewind switch, and the like. A switch input unit 24 serving as a detecting means, a battery detecting circuit 25 serving as a detecting means for detecting the remaining battery level of the camera, and a data imprinting circuit 26 for imprinting the photographing date and time on the film 5. Control.

Further, the CPU 1 has an EEPROM 27 serving as storage means connected via the communication line.
The EEPROM 27 stores various kinds of adjustment information, photographing information, and the like.

FIG. 2 is a diagram showing an example of the display contents on the LCD 18. As shown in FIG.

The portion indicated by the reference numeral 31 is composed of 7 segments of two digits. When the film 5 is loaded, the number of shots is displayed. When the film is loaded or the film is not loaded, "E" is displayed. When the film 5 is being rewound, the remaining number of rewinds is displayed.

The portion indicated by reference numeral 32 is a portion for displaying the photometry mode. The photometric sensor (not shown) provided in the photometric unit 17 is configured such that a light receiving area with respect to a screen is divided, so that a spot photometric mode and a weighted average photometric mode can be selected. ing. Then, this metering mode display 32
Indicates which of the spot metering mode and the weighted average metering mode is selected.

The portion indicated by reference numeral 33 indicates the remaining amount of the battery as a battery. The photographable level indicating that there is a sufficient remaining amount, and the remaining amount has become smaller than a predetermined amount and decreased. Three levels are displayed, that is, a remaining amount warning level indicating that the remaining amount is insufficient to perform shooting, and a shooting impossible level indicating that the remaining amount is insufficient to perform shooting.

The portion indicated by reference numeral 34 indicates the selected flash mode and shooting mode. For example, an auto flash mode, a red-eye reduction flash mode, a night scene shooting mode, a night scene shooting flash mode, a forced flash mode, and a flash mode are displayed. The prohibition mode is displayed.

The portion indicated by the reference numeral 35 indicates that when the self-timer shooting mode or the remote control shooting mode is selected,
The selected mode is displayed.

The portion indicated by reference numeral 36 indicates the current date, time, and the like. The data displayed here is printed on the film 5 by the date printing circuit 26. .

FIG. 3 is a flowchart showing the outline of the main operation of the camera.

First, whether a battery is inserted into the camera, the rear lid is closed, or a barrier switch that also functions as a main switch of the camera is turned on when the lens barrier is opened. Is determined (step S1).

When the camera is powered on,
An initialization process described in detail later is performed (step S2). The initialization process includes a process of ending the operation shown in this flowchart in a subroutine described later, and when this process is selected, the main operation is ended.

Next, after a later-described film load determination is made (step S3), display processing is performed (step S3).
4). These film load determination processing and display processing also include processing for ending the operation shown in this flowchart, similarly to the above-described initialization processing, and when this processing is selected, this main operation is ended.

Then, it is determined whether or not the remote control photographing mode has been selected (step S5), and processing such as input determination of the switch input unit 24 is performed as described later (step S6).

Thereafter, the set photographing mode is determined (step S7), and a release process for exposing the subject to the film 5 is performed based on the information (step S7).
8).

After the photographing operation is completed, a branch judgment for judging the next operation is performed, and the main operation is completed (step S9).

FIG. 4 is a flowchart showing an initialization subroutine in the flowchart showing the main operation shown in FIG.

In the example shown in FIG.
In response to the start of display by CD18, EL19
Is turned on for a predetermined time, thereby performing control to make it easy to confirm the display simultaneously with the start of shooting.

First, each setting of the CPU 1 is initialized (step S11), and the initialization which occurs depending on whether or not the battery is inserted is determined and processed (step S12).

When these initializations have been completed, a DC / DC ON process for activating a DC / DC converter for making the system power supply a constant voltage is performed (step S1).
3) Perform communication processing with each peripheral unit connected to the CPU 1 (step S14).

After performing the communication process, a battery check process for checking the battery voltage is performed (step S).
15). In this battery check process, a branch determination is made, and after performing some processes to be described later, the process branches to a control for ending only the subroutine (return), or the main routine is executed after returning to the main routine. When branching to end (return end)
There is.

In the battery check in step S15, when it is determined that the remaining amount of the battery is in a photographable state, the EL lighting permission flag F_ELON is set to "1" to permit the lighting of the EL 19 and , E
The L lighting timer TMEL is set to the first predetermined value “TMEL1” stored in the EEPROM 27 (step S16).

Then, the LCD is turned on, and LC
The display of the photographing information and the like is performed by D18 (step S17), and the EL on process is performed to turn on the EL19 (step S18) to make the display on the LCD 18 easier to see.

Thereafter, the initialization processing of the mechanical mechanism is performed (step S19), and this subroutine processing is terminated.

FIG. 5 is a flowchart showing a battery check subroutine applied in the initialization subroutine shown in FIG. 4 and a film load determination subroutine shown in FIG. 6 described later.

In the example shown in FIG. 5, by changing the form and the lighting time of the display illumination according to the result of the battery check by the battery detection circuit 25, the warning display from the camera side to the photographer can be easily viewed and It is easy to recognize.

First, by performing a battery voltage reading process (step S21), the battery voltage at the time of battery check is monitored, and the read voltage information is stored in the CPU 1.
To determine the state of the battery and classify it into three states. Then, these three states are changed to two flags F
Using _BCHK0 and F_BCHK1, a process of expressing the data as 2-bit data is performed.

Next, it is determined whether or not one of the two flags F_BCHK1 is "1" (step S22). If F_BCHK1 = 1, the battery has sufficient capacity. The EL lighting permission flag is set to F_ELON = 1 to permit the lighting of the EL 19, and the EL blinking permission flag is set to F_EL.
BLNK is set to 0 to inhibit the EL 19 from blinking (step S23). Here, the EL lighting permission flag F_
Both the ELON and the EL blinking permission flag F_ELBLNK are permitted when they become “1”, and are prohibited when they become “0”. That is, this step S
In the case of 23, the lighting of the EL 19 is permitted and the blinking is prohibited.

Thereafter, the EL lighting timer TMEL is set to the above E
The first predetermined value “TME” stored in the EPROM 27
L1 ”(step S24), and this subroutine processing ends.

If the flag F_BCHK1 is not "1" in step S22, it is determined whether the flag F_BCHK0 indicating that the battery is at the warning level is "1" (step S25).
When _BCHK0 = 1, the EL lighting permission flag is set to F_ELON = 1 to permit lighting of the EL19, and the EL blinking permission flag is set to F_ELBLNK =
By setting to 1, the blinking of the EL 19 is permitted (step S26).

Then, the EL lighting timer TMEL is set to a second predetermined value "TMEL2" which is a timer value for blinking, and this subroutine processing is terminated.

On the other hand, if the flag F_BCHK0 is not "1" in the step S25, the EL lighting permission flag is set to F_ELON = 0 and EL is set.
By setting the blinking permission flag to F_ELBLNK = 0, lighting and blinking of EL19 are prohibited (step S).
28) Thereafter, the process exits this subroutine process and ends the main routine process (return end).

FIG. 6 is a flowchart showing a subroutine for determining a film load in the flowchart showing the main operation shown in FIG.

In the example shown in FIG. 6, the lighting of the display illumination is controlled in accordance with the detection of the film 5 and the driving of the film 5.

First, the battery status of the camera is checked by the processing shown in FIG. 5 (step S3).
1) If it is determined that the battery capacity is in a state where photographing is not possible, the process exits this subroutine process and ends the main routine process (return end).

On the other hand, when the battery capacity is in a photographable state, a flag F_BKSW indicating the open / closed state of the rear cover is provided.
Is checked (step S32). If the flag F_BKSW is "1", it means that the rear lid is open, and the EL lighting permission flag F_E is set.
LON is set to "0" to prohibit lighting of EL19 (step S33).

Since the film cannot be exposed in this state, the photographing lens is retracted to the retracted position (step S34), and the EL-ON process is performed (step S35). In this case, since the lighting of the EL 19 is prohibited in the step S33, the operation of lighting the EL 19 is not performed in the step S35. Thereafter, this subroutine ends.

If it is determined in step S32 that the flag F_BKSW is not "1" and that the rear lid is closed, it is determined by the flag F_ALOAD whether an automatic load request for the film 5 has been made. (Step S36).

Here, if F_ALOAD = 1, that is, if there is an auto load request, first, a DX code reading process is performed by the film state detection circuit 11 to check the sensitivity of the film 5 and the like (step S37). .

Thereafter, the value of the film presence / absence information flag F_FILM indicating the presence / absence of the film 5 is checked (step S38). When the film presence / absence information flag F_FILM is "1", the film 5 is loaded in the camera. Then, the EL lighting timer TMEL is set to the first predetermined value “TMEL1” (step S39).

If the film presence / absence information flag F_FILM is not "1" in step S38,
It is determined that no film is loaded, and the EL lighting timer is set to a second predetermined value “TMEL2” (step S41).

Here, the first predetermined value "TMEL"
1 "and the second predetermined value" TMEL2 "
This is a value stored in advance in the EPROM 27,
> TMEL2. The reason for setting such a relationship is to suppress current consumption due to lighting of the EL 19 when the film 5 is not loaded.

The above step S39 or step S41
After the processing of the above, the EL lighting permission flag F_ELON
Is set to "1" to permit the lighting of the EL 19 (step S40), and the LCD 18 is turned on to perform a display process at the time of auto load (step S42).

Then, the zoom control optical system 2 of the photographing lens
Is retracted to the initial position (step S43), the film 5 is automatically loaded by the film detection drive circuit 8 (step S44), and the process proceeds to step S35 to execute EL19.
Is performed, and this subroutine processing is terminated.

In step S36, F_A
If LOAD is not 1 and the auto load request has not been made, it is determined whether or not the winding request flag F_WIND is "1" (step S45). If requested, the EL lighting permission flag F_ELON is set to "1" to permit the lighting of the EL 19 (step S46), and the EL lighting timer TMEL
Is set to a first predetermined value “TMEL1” (step S
47).

Subsequently, the LCD 18 is turned on (step S48), the film 5 is wound up (step S49), and the process proceeds to step S35 to perform EL display in order to display the frame count-up by winding.
The lighting process of No. 19 is performed, and this subroutine process ends.

On the other hand, in step S45, when the winding request flag F_WIND is not "1" and there is no winding request, the rewind request flag F_REW is set to "1".
It is determined whether or not there is a film rewind request (step S50).

If the rewind request flag F_REW is not "1", the flow directly goes to the step S35 to perform the process of turning on the EL. If the rewind request flag F_REW is “1”, it means that there is a rewind request.
Set the EL lighting permission flag F_ELON to “1” and set E
Lighting of L19 is permitted (step S51), and E
The L lighting timer is set to TMEL = TMEL1 (step S52), and the LCD 18 is turned on to display a change in the number of film frames due to rewind (step S53).

Then, the zoom control optical system 2 of the photographing lens
Is retracted to the initial position (step S54), a rewinding process is performed (step S55), the process proceeds to step S35, a lighting process of the EL 19 is performed, and the subroutine process is terminated.

FIG. 7 is a flowchart showing a subroutine of a display process in the flowchart showing the main operation shown in FIG.

The example shown in FIG. 7 is executed when the display on the LCD 18 is turned off or when a predetermined time has elapsed since the display on the LCD 18 was updated.
The illumination by L19 is turned off.

First, a display timer for measuring a display time or the like on the LCD 18 is determined (step S61), and LC
The flag F_DSP indicating whether the D18 is in the display state or the non-display state is checked (step S62). If this flag is not F_DSP = 1, display off processing is performed to put the LCD 18 in the non-display state ( Step S
63), and sets the EL lighting permission flag F_ELON to “0” to prohibit lighting of the EL 19 (step S6).
4).

Thereafter, the control system of the camera is set to the standby state (step S65), and this subroutine processing is terminated.

If it is determined in step S62 that the flag is F_DSP = 1 and the LCD 18 is in the display state, the display timer TDSP is decremented (step S66), and whether or not TDSP = 0 is set. Is determined (step S67).

If TDSP = 0, the control system is set to the sleep state (step S68), and the process exits this subroutine process and ends the main routine process (return end).

In step S67, if the display timer TDSP is not "0", the LCD 18
The display content is updated according to (step S69), and E
The L lighting timer TMEL is decremented (step S7).
0), it is determined whether or not the EL lighting timer TMEL has become “0” (step S71).

When the EL lighting timer TMEL becomes "0", the EL lighting permission flag F_ELON is set to "0" to inhibit the lighting of the EL 19 (step S72), and the process of turning on the EL is performed. (Step S7
3), this subroutine processing is ended.

If the EL lighting timer TMEL is not "0" at the step S71, the subroutine processing is terminated.

FIG. 8 is a flowchart showing a subroutine for determining a switch input in the flowchart showing the main operation shown in FIG.

In the example shown in FIG. 8, when the switch input from the switch input section 24 or the like is detected, the EL 19
For illuminating the LCD 18.

First, a switch input reading process for checking whether there is a switch input is performed (step S8).
1). Here, the switch input state flag F_KEYIN
Is checked (step S82), and F_KEYIN is "1".
In response to this, the EL lighting permission flag F_ELON is set to "1" in response to this to permit lighting of the EL 19 (step S83), and the EL lighting timer TME
L is set to a first predetermined value "TMEL1" (step S84).

Thereafter, the EL switch is turned on (step S85), and after the EL 19 is turned on, the type of the input switch is determined.

First, the remote control switch flag F_REM
It is determined whether SW is "1" (step S8).
6) If F_REMSW = 1, a process of changing the camera mode to the remote control shooting mode is performed (step S87), and this subroutine process is ended.

If it is determined in step S86 that the remote control switch flag F_REMSW is not "1", then the flash switch flag F_FLSSW is turned on.
Is determined to be "1" (step S88).
If F_FLSSW = 1, a process for changing the flash mode is performed (step S89), and this subroutine process ends.

If it is determined in step S88 that the flash switch flag F_FLSSW is not "1", it is determined whether the date mode switch flag F_DMODSW is "1" (step S90).
When DMODSW = 1, a process of changing the date mode is performed (step S91), and this subroutine process is ended.

If the date mode switch flag F_DMODSW is not "1" in step S90, or if the switch input state flag F_KEYIN is not "1" in step S82, this subroutine processing is ended.

FIG. 9 is a flowchart showing a subroutine of the release process in the flowchart showing the main operation shown in FIG.

In the example shown in FIG. 9, control for permitting display illumination is performed in response to completion of flash charging.

First, it is checked whether or not a release request has been made (step S101). If no release request has been made, this subroutine processing is terminated.

On the other hand, if there is a release request in the step S101, the photometric value is detected by the photometric unit 17 and the photometric value is calculated based on the detected value (step S102). , And the subject distance is calculated based on the detected value (step S103).

When the brightness and the distance information of the subject are obtained, the exposure amount is calculated (step S1).
04).

Thereafter, the flash charging state for flash photography by the flash circuit 23 is checked (step S105), and when it is determined that charging is necessary, the EL lighting permission flag F_ELON is set to "0". To prohibit the lighting of EL19 (step S106), and
An ON process is performed (step S107). That is, in the EL-on process, if the EL 19 has already been turned on, a process for turning off the EL 19 is performed.

Thereafter, strobe charging is performed until light emission becomes possible (step S108). When charging is completed, the EL lighting permission flag F_ELON is set to "1" again to permit EL19 lighting (step S10).
9).

Thereafter, or if the charging of the strobe has been completed in step S105, it is checked whether or not the state of the switch input section 24 and the like related to the state of the camera is the photographing state (step S110). If the camera is not in the shooting state, the process proceeds to step S117 to be described later to perform the EL lighting process.

On the other hand, if it is determined in step S110 that the camera is in the photographing state, the EL lighting permission flag F_ELON is set to "0" and the lighting of the EL 19 is prohibited (step S111).

Thereafter, an exposure operation is performed on the film 5 (step S112). When the exposure is completed, an operation of winding the film 5 by the film detection drive circuit 8 is performed (step S113).

After the winding is completed, the number of frames PHTN0
Is incremented (step S114), the EL lighting permission flag F_ELON is set to “1”, and EL19 is set.
Is permitted (step S115).

Then, the EL lighting timer TMEL is set to the above-mentioned first predetermined value “TMEL1” (step S).
116), an EL lighting process is performed (step S117),
This subroutine processing ends.

According to such an embodiment, when the display on the LCD is started or when the display on the LCD is updated, the LCD is automatically illuminated. The user can easily check the contents without any special operation. In this way, a display device of a camera which can easily confirm the display when necessary without depending on the surrounding brightness is provided.

[Appendix] According to the above-described embodiment of the present invention as described in detail above, the following configuration can be obtained.

(1) Display means for displaying photographing information of a camera, display lighting means using an electroluminescent element, display control means for starting display of the display means or updating display contents, and display means for the display means A display device for a camera, comprising: lighting control means for lighting the display lighting means for a predetermined time in response to display start or display update.

(2) photographing lens drive control means, display means for displaying photographing information of the camera, display lighting means using an electroluminescent element, and the lighting means in response to the driving of the photographing lens for a predetermined time. And a lighting control means for turning on the light for a period of time.

(3) Detecting means for detecting loading of a film to a camera, display means for displaying photographing information of the camera, display illuminating means using an electroluminescent element, and when the film loading is detected, A display device for a camera, comprising: lighting control means for changing the lighting time of the lighting means.

(4) Storage means for storing camera shooting information, display means for displaying the stored camera shooting information, display illumination means using an electroluminescent element, and storage contents of the storage means. A display device for a camera, comprising: lighting control means for changing a lighting time of the lighting means when updated.

(5) The camera display device according to the appendix (4), wherein the information stored in the storage means includes information on the number of already shot frames of the film loaded in the camera.

(6) Film driving means for driving a film loaded in the camera, display means for displaying photographing information of the camera, display lighting means using an electroluminescent element, and response to the operation of the film driving means Lighting control means for changing the lighting time of the lighting means,
A display device for a camera, comprising:

[0115]

As described above, according to the present invention, there is provided a camera display device which can easily confirm the display when necessary without depending on the surrounding brightness.

[Brief description of the drawings]

FIG. 1 is a block diagram mainly showing an electrical configuration of a camera according to an embodiment of the present invention.

FIG. 2 is a view showing an example of display contents on an LCD according to the embodiment.

FIG. 3 is a flowchart showing an outline of a main operation of the camera of the embodiment.

FIG. 4 is a flowchart showing an initialization subroutine in the main operation shown in FIG. 3;

FIG. 5 is a flowchart showing a battery check operation performed in the camera of the embodiment.

FIG. 6 is a flowchart showing a subroutine for determining a film load in the main operation shown in FIG. 3;

FIG. 7 is a flowchart showing a subroutine of a display process in the main operation shown in FIG. 3;

FIG. 8 is a flowchart showing a subroutine for judging a switch input in the main operation shown in FIG. 3;

FIG. 9 is a flowchart showing a subroutine of a release process in the main operation shown in FIG. 3;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... CPU (control means, display control means) 6 ... Zoom / focus drive circuit (photography lens drive control means) 7 ... Aperture / shutter drive circuit (photography lens drive control means) 8 ... Film detection drive circuit (film drive means) 9 ... Zoom / collapse position detection circuit (detection means) 10 ... Focus position detection circuit (detection means) 11 ... Film state detection circuit (detection means) 15 ... Remote control receiving section (detection means) 18 ... LCD (display means) 19 ... Electroluminescence element (EL) (display lighting means) 20 ... EL drive circuit (lighting control means) 24 ... Switch input section (detection means) 25 ... Battery detection circuit (detection means) 27 ... EEPROM (storage means)

Claims (3)

[Claims] 1. A non-light emitting type display means for displaying photographing information of a camera, a display lighting means including an electroluminescent element for illuminating the display means, a detecting means for detecting an operation state of each part of the camera, Control means for controlling a lighting time of the display illuminating means, and for controlling a lighting operation of the display illuminating means at least based on the detected operating state of each section of the camera. A display device for a camera, comprising: 2. The control means, when there is a change in photographing information of the camera or an operation state of each part of the camera, sets a lighting time according to the content of the change and turns on the display illumination means. The display device of a camera according to claim 1, wherein: 3. The detected change in the operation state of each part of the camera includes at least one of a power-on, a film loading, an auto-load operation, a change in the number of photographed frames, and an auto-rewind operation. 2. The display device of the camera according to 1.