JP4605418B2 - Camera having photographing information setting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a camera having a photographing information setting device.
[0002]
[Prior art]
In a conventional camera, to change the setting of the sync mode, which is a type of shooting information, the operation of the dedicated sync mode button and the combined operation of the command dial for selecting or changing the mode from several sync modes It was realized by.
Further, the means for popping up the built-in flash device and starting it to the up use position includes an up spring for biasing the built-in flash device in the up direction, a locking mechanism for locking the bias of the built-in flash device by the up spring at the retracted position, An unlocking mechanism for releasing the mechanism and an activation means for starting the unlocking mechanism are configured. Here, the activation means is a button of a mechanical locking release member or an electric switch that electrically activates the locking mechanism. In other words, the activation means has a dedicated activation operation member other than the synchro mode button, regardless of whether it is mechanical or electric.
[0003]
[Problems to be solved by the invention]
However, having a dedicated sync mode button and a starting operation member for activating the unlocking mechanism, respectively, and arranging them, it is necessary to secure a place for installing the button and the operating member and to obtain / install components. Therefore, there is room for improvement in that it is an obstacle to promoting miniaturization of the camera and an increase in cost.
[0004]
The present invention has been made in view of the above-described problems, and aims to reduce the size and cost of a camera by reducing the number of parts and improve the operability of an operation member.
[0005]
[Means for Solving the Problems]
A camera having the photographing information setting device according to claim 1 includes an operation unit capable of setting a sync mode, and a selection unit operated to change the content of the sync mode while the operation unit is continuously operated. A first mode that is an exposure control mode having a built-in flash device that can be located in either the storage position or the up use position, and a function of automatically driving the built-in flash device to the up use position; Setting means for setting one mode from modes other than one mode, and when the operation means is operated when a mode other than the first mode is set by the setting means, the built-in flash Up drive means for driving the device from the storage position to the up use position, and the operation means when the first mode is set by the setting means If it is made, the up-drive means is not used to activate the built-in flash device to the up-use position, and if the selection means is operated while the operation means is being operated, the synchronization is not performed. The mode content is changed.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a block connection diagram showing an embodiment of a camera having a photographing information setting device according to the present invention.
[0013]
In FIG. 1, a microcomputer 1 controls the operation of the entire camera. The built-in flash control circuit 2 controls the flashing of the arc tube 3. The red-eye reduction lamp driving circuit 4 drives the red-eye reduction lamp 5 for the purpose of red-eye reduction prior to the flash of the arc tube 3. The red-eye reduction function can be set by operating a setting member described later.
[0014]
The display control circuit 6 displays the normal shooting information display and the sync mode setting content display on the display LCD 7. The command dial 8 is linked to the dial switches 9 and 10 and transmits the rotation amount and rotation direction of the command dial 8 to the microcomputer 1. The synchro switch 11 is a synchro switch that switches in conjunction with an operation of an operation member disposed outside the camera, and is turned on during the operation and turned off when the operation is released. The up detection switch 12 is a switch that switches in conjunction with an up operation of a built-in flash device case, which will be described later, and is turned off when the built-in flash device case is housed and turned on at the up-use position. The built-in flash device up drive means 13 drives a pop-up magnet 14 that is a starting source for raising the built-in flash device. The exposure control mode setting means 15 determines the exposure control mode according to the rotation setting position of an exposure mode dial (explained later) disposed outside the camera.
[0015]
FIG. 2 is a top view and a side view showing an embodiment of a camera having a photographing information setting device according to the present invention.
[0016]
In FIG. 2, the LCD 7 is disposed on the upper surface of the upper cover 20 outside the camera. The command dial 8 is disposed on the rear end surface of the upper cover 20. The sync mode button 21 is linked to the sync switch 11, and the exposure mode dial 22 selects the exposure control mode. Exposure control modes selectable with the exposure mode dial 22 are a program mode (P mode), a shutter priority mode (S mode), an aperture priority mode (A mode), a manual mode (M mode), and a fully automatic mode (AUTO). Mode). On the upper surface of the exposure mode dial 22, an index 22a indicating each mode PSAM and AUTO is described, and the mode can be set by matching with the index 20a on the upper cover 20.
[0017]
In the built-in flash device case 23, a case-up biasing spring 24 is wound around a shaft portion 20b that is pivotally supported integrally with the upper cover. One arm of the attached heat spring 24 is hung on the case 23 and the other arm is hung on the upper cover 20. The locking member 25 locks the case 23 at the retracted position. As shown in FIG. 2B, when the pop-up magnet 14 driven by the built-in flash device driving means 13 operates in the unlocking direction, the locking member 25 rotates counterclockwise. The power dial 26 and the release button 27 are well-known power dials and release buttons.
[0018]
FIG. 3 is a flowchart for explaining the operation of the microcomputer 1. FIG. 4 is a front view showing the operation state of the display LCD 7 corresponding to FIG.
[0019]
In step S1, normal shooting information is displayed on the display LCD 7 (see FIG. 4A). In step S2, it is determined whether the sync switch 11 (FIG. 1) is on. If not, the process returns to step S1. If it is on, the process proceeds to step S3.
[0020]
In step S3, it is determined whether or not the up detection switch 12 (FIG. 1) is on. If it is on, the process immediately proceeds to step S5. If it is not ON, the process proceeds to step S4, and the built-in flash device up drive means 13 drives the built-in flash device in a pop-up, and then proceeds to step S5.
[0021]
In step S5, it is determined whether the sync switch 11 (FIG. 1) is on. If not, the process returns to step S1. If it is on, the process proceeds to step S6. In step S6, the display LCD 7 displays that the setting is the synchro mode (see FIG. 4B). In step S7, it is determined whether or not the command dial 8 has been operated. If it is determined that no operation has been performed, the process returns to step S5. If it is determined that it has been operated, the process proceeds to step S8.
[0022]
In step S8, the rotation direction of the command dial 8 is detected. In the case of left rotation, the process proceeds to step S9, the setting of the synchro mode is changed to the next mode, and the process returns to step S5. In the case of right rotation, the process proceeds to step S10, the synchro mode setting is changed to the next mode by reverse feed, and the process returns to step S5. In steps S8 and S9, the display LCD 7 displays any one of FIGS. 4C to 4F.
[0023]
As described above, according to the present invention, the built-in flash device can be driven to pop up by operating the sync mode button (turning on the sync switch), so there is no need to provide an operating member dedicated to pop-up activation.
[0024]
FIG. 5 is a flowchart for explaining another example of the operation of the microcomputer 1. FIG. 6 is a front view showing an operation state of the display LCD 7 corresponding to FIG.
[0025]
3 and FIG. 4 is different from the embodiment of FIG. 3 and FIG. 4 in that step S1a is added and the built-in flash device is not popped up in the AUTO control mode other than the PSAM mode, and the process immediately proceeds to step S5. is there. Other than that, it is the same as the embodiment of FIG. 3 and FIG. 4, and the same reference numerals are given to the same components, and redundant description is omitted.
[0026]
In the fully automatic mode, since the built-in flash device has an automatic pop-up function and an automatic light emission function, “AUTO” representing the automatic pop-up function and the automatic light emission function is displayed while the sync mode is displayed on the display LCD 7 in FIG. Is done.
[0027]
【The invention's effect】
As described above, according to the camera having the photographing information setting device of the present invention, the synchronization mode button and the operation member for starting up the pop-up of the built-in flash device are combined with the same operation member (11), so that the space efficiency is improved. In addition, the camera can be miniaturized and an inexpensive camera can be realized by reducing the number of components.
[0028]
According to the second aspect of the present invention, the operation member (11) is provided to bring the built-in flash device into the up use position by combining the sync mode button and the pop-up activation operation member with the same operation member. If the command dial (8) is operated while being operated and pushed, the sync mode can be set / changed, so that the operability is improved and the photographing information setting can be speeded up.
[0029]
Furthermore, according to the invention of claim 3, when the pop-up activation of the built-in flash device is not mode selection of the exposure control mode activated by the operation of the operation member (11), the activation member is used as the operation member for pop-up activation. Does not function, and the consistency of the setting operation is maintained as a conventional sync mode button, so that it is easy to use and an imaging information setting device with excellent operability can be realized.
[Brief description of the drawings]
FIG. 1 is a block connection diagram showing an embodiment of a camera having a photographing information setting device according to the present invention.
FIGS. 2A and 2B are a top view and a side view showing an embodiment of a camera having a photographing information setting device according to the present invention. FIGS.
FIG. 3 is a flowchart showing an embodiment of a camera having a photographing information setting device according to the present invention.
FIG. 4 is a front view showing an embodiment of a camera having a photographing information setting device according to the present invention.
FIG. 5 is a flowchart showing an embodiment of a camera having a photographing information setting device according to the present invention.
FIG. 6 is a front view showing an embodiment of a camera having a photographing information setting device according to the present invention.
[Explanation of symbols]
1 Microcomputer 2 Built-in flash control circuit 3 Luminescent tube 4 Red-eye reduction lamp drive circuit 5 Red-eye reduction lamp 6 Display control circuit 7 Display LCD
8 Command dial 9 Dial switch 11 Sync switch 12 Up detection switch 13 Built-in flash device up drive means 14 Pop-up magnet 15 Exposure control mode setting means 20 Upper cover 20a Index 20b Shaft 21 Sync mode button 22 Exposure mode dial 22a Index 23 Built-in flash Device case 24 Case-up biasing spring 25 Locking member 26 Power dial 27 Release button

Claims (2)

Operation means that can set the sync mode,
Selection means operated to change the content of the synchro mode during the operation of the operation means;
A built-in flash device that can be located in either the storage position or the up-use position ;
A setting means for setting one mode from a mode other than the first mode and the first mode which is an exposure control mode having a function of automatically driving the built-in flash device to the up use position;
An up driving means for driving the built-in flash device from a storage position to an up use position when the operation means is operated when a mode other than the first mode is set by the setting means ;
With
When the operation unit is operated when the first mode is set by the setting unit, the up-driving unit is not used to start driving the built-in flash device to the up-use position, and A camera having a photographing information setting device, wherein the contents of the sync mode are changed when the selection means is operated while the operation means is being operated . The camera of claim 1,
  The selection means is a dial that can be rotated by a right rotation and a left rotation,
  The contents of the sync mode include at least three contents,
  The change order of the three or more contents when the operation by the selection means is a right rotation and the change order of the three or more contents when the operation by the selection means is a left rotation. A camera characterized by being.

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