JPS62159133A - Photographic information setting device for camera - Google Patents

Abstract

PURPOSE:To prevent a device from being misoperated and to improve the easiness to use by arranging an operation member for aperture value variation and an operation member for shutter speed variation closely while their positions are made correspond to their display parts. CONSTITUTION:A finger pad part 7 is arranged on the rear surface 42 of a winding-up side upper cover, a switch 10 for aperture value variation is arranged on its left side, and a switch 20 for shutter speed variation is also arranged on its right side. A display device 6 provided on the top surface of the upper cover has an aperture display part 61 on the left side and a shutter speed display part 62 on the right side, and they correspond to the positions of the switch 10 for aperture value variation and switch 20 for shutter speed variation respectively. Consequently, the easiness to use is improved and the device is prevented from being misoperated.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a photographing information setting device for a camera that allows the aperture value and shutter time displayed on a display unit to be changed using an operating member while visually checking the aperture value and shutter time. .

(Background of the Invention) The camera includes an operating member that electrically changes set values of aperture value and shutter speed (hereinafter collectively referred to as photographing information), and a display section that displays these set values on a liquid crystal display or the like. A photographing information setting device for a camera is known. In this type of conventional device, the aperture value or shutter speed is changed by operating an operating member after selecting photographic information to be changed using a selection member.

By the way, the camera is held at a predetermined shooting position to take pictures, but when changing the aperture value or shank speed while maintaining a certain shooting position, in conventional devices, the selection member is moved as described above. Since the operating member must be operated after the operation, there is a risk that the photographing posture may be distorted and a photo opportunity may be missed.

Therefore, the first operating member for changing the aperture value.

There is a known camera shooting information setting device that is provided with a second operation member for changing the shutter speed and allows the shooting information to be changed simply by operating the first and second operation members. Due to this restriction, two operating members should not be provided close to each other, for example, the first operating member is provided on the camera body near the photographing lens, and the second operating member is provided near the release button on the top surface of the camera. No, and the display section is provided near the second operating member.

However, it is not preferable from an ergonomic point of view that the first and second operating members are not placed close to each other, and in this type of shooting information setting device, it is difficult to Since the desired set value is changed by operating the first and second operating members, it is preferable for the operating members and the display unit to be close to each other in order to prevent erroneous operation. In some cases, the first operating member is separated from the display section, which poses a problem. Furthermore, since the first and second operating members and the display section are not correlated at all in terms of position, it is easy to operate erroneously, causing confusion, especially when changing the shooting orientation of the camera from portrait to landscape. Cheap.

(Object of the Invention) An object of the present invention is to provide a photographing information setting device for a camera that solves the above-mentioned problems, prevents erroneous operations, and improves usability.

(Summary of the Invention) The present invention provides a first operating member for changing the aperture value and a second operating member for changing the shutter speed, which are arranged close to each other, and a first display section for the aperture and a second operating member for changing the shutter speed. the second display sections for time use are arranged close to each other, the re-operation member and both display sections are arranged close to each other, and the first operation member is positioned in correspondence with the first display section. The second operating member is arranged in positional correspondence with the second display section.

(Example) An example of the present invention will be described with reference to FIGS. 1 to 5.

In Fig. 1, ■ is the camera body, 2 is the back cover, 3 is the viewfinder, and 4 is the upper cover.The upper cover 4 is arranged to cover the pentaprism in the center, the winding side, and the rewinding side. ing. On the winding side of the upper surface 41 of the upper cover 4, a release button 5 and a display device 6 consisting of a liquid crystal or a light emitting diode are provided. A finger rest 7 is provided, and a switch for changing the aperture value is located on the left side of the finger rest 7.
However, a switch 20 for changing the shutter speed is provided on the right side. Here, the switch 10 is the first operating member,
Switch 20 corresponds to the second operating member. In addition, 1a
2a indicates a grip portion, and 2a indicates a back cover grip portion.

FIG. 2 shows the details of the switch 10.20 and the area around the finger rest 7. The finger rest 7 includes a flat part 71 that is almost flush with the rear surface 42 of the upper cover, a guard part 72 protruding from both sides thereof, and 73, and the width of the flat portion 71 is a size suitable for placing the thumb of the right hand. The aperture value change switch 10 provided on the left side of the guard 72 and the shutter speed change switch 20 provided on the right side of the guard 73 can be operated upward and downward in the illustration, and when operated in the negative direction, The aperture value is narrowed down, the shutter speed is shifted to the high speed side, and each set value is shifted in the opposite direction when operated downward. The upper cover rear surface 42 of the upper part of the switches 10 and 20 has rUpJ.
The mark rDnJ is engraved and displayed on the rear surface 42 of the upper cover at the bottom, and rAVJ, which means the aperture value, is displayed on the left side of the switch 10, and "Tv, which means the shutter speed, is on the right side of the switch 20. ' is engraved on each.

In this embodiment, the aperture display section and the shutter time display section in the display 6 provided on the upper surface 41 of the upper cover are associated with each other in correspondence with the arrangement of the switches IO and 20. That is, to explain the display device 6 with reference to FIG. 3, the display device 6 is divided into four display sections 61 to 64.
62 is a shutter speed display section, 63 is a film frame number display section, and 64 is a manual mode (M).

This is a display section for shooting modes including aperture priority mode (A), shutter priority mode (S), and program mode (P). In this display 6, an aperture display section 61 is assigned to the left side, and a shutter time display section 62 is assigned to the right side, which correspond to the positions of the above-mentioned aperture value change switch lO and shutter time change switch 20, respectively. It is being Note that 65 and 66 indicate change permissible frames surrounding the display sections 61 and 62, respectively, and when these frames 65 and 66 are displayed, changes in the aperture value or shutter speed are permitted. The display example in FIG. 3 is in manual mode, with display sections 61 and 62 and frames 65 and 66
Both the aperture and shutter speed can be changed. Note that a frame 65 is displayed in the aperture priority mode, a frame 66 is displayed in the shutter priority mode, and neither frame is displayed in the program mode.

By displaying such a frame, the photographing information, which can be changed by the operator, can be visually determined, resulting in good operability. Further, each of these modes can be selected using a switch or key button (not shown).

Further, in this embodiment, as shown in FIG. 4, a display 31 is also provided in the finder 3, and the display 31 also has an aperture display section 311 on the left side and a shutter time display section 312 on the right side. are assigned, and are associated with the positional relationship of the switches 10 and 20 described above. In addition, in FIG. 4, 32 is a finder screen that determines the angle of view of the photographed subject, 33 is a split type focus detection section for detecting focus, 34 and 35 are changeable frames surrounding display sections 311 and 312, respectively. As described above, when this frame 34 is displayed, the aperture value can be changed, and when the frame 35 is displayed, the shutter speed can be changed. Note that FIG. 4 also shows the state in manual mode.

Next, the switch 20 will be explained in detail with reference to FIG.

An anchor-shaped switch body 101 is rotatably attached to a shaft 102 provided in the upper cover 4, and its operating protrusion 1
01a protrudes from the opening 421 of the rear surface 42 of the upper cover. A torsion coil spring 103 made of a conductive material is attached to the shaft 102, and its fixed arm 103a is connected to the camera body l, and the working arm 103b at the other end is connected to the two protrusions 101b and 1o1c of the switch body lot. As shown in FIG. 5, the operating protrusion 10 is held between
1a is held at an intermediate position in the opening 421. In the switch body lot, the operation protrusion 101a is located at the opening 42.
5 until it comes into contact with the upper end 421a of the spring 103. It is allowed to rotate downward (in the direction of arrow Dn) in FIG. 5 against the spring force.

Furthermore, contact pins 104 and 105 are fixed to the camera body l in an electrically insulated manner with the spring acting arm 103b in between, and leads 106 and 107 are connected to the contact pins 104 and lO5, respectively. . 106 leads each.

107 is connected to an electric circuit (not shown), and the switch body 1
01 is operated in the Up force direction and the working arm 103b contacts the contact pin 104, the lead 106→contact pin 104→
A current flows in the path from the working arm 103b to the fixed arm 103a to the camera body l, and it is detected that the switch 10 is operated in the typ direction. Further, when the switch body lO1 is operated in the Dn direction and the working arm 103b comes into contact with the contact bin 105, the lead 107 → the contact bin 105 → the Sakukawa arm 103
A current flows through the path b→fixed arm 103a→camera body l, and it is detected that the switch 10 is operated in the Dn direction. When an operation in the typ direction or the Dn direction is detected in this way, the aperture value and shutter speed displayed on the display sections 61 and 62 are changed by a control circuit (not shown). Note that the working arm 103b is connected to each contact pin 10.
4. Even after contacting the switch body 105, the switch body 101 is rotated until it contacts the open ends 421a and 421b.
The working arm 103b is bent, and the spring 103 and contact pin 104
, 105 is obtained. If the switch body 101 is released in this state, the spring force of the spring 103 will return it to the neutral position shown in FIG. The switch 20 is also configured in exactly the same manner.

When holding the camera equipped with the photographing information setting device configured in this way, support the lower part of the photographic lens with your left hand, place your right thumb on the flat surface 71 of the finger rest 7, and hold the grip portion 1a and camera back. The grip portion 2a is supported with the entire right hand, and the index finger of the right hand is lightly placed on the release button 5. At this time, the guards 72 and 73 of the finger rest 7 prevent the thumb from accidentally touching the slides 10 and 20. To change the aperture value while shooting in this shooting position, remove your right thumb from the finger rest 7 and press the switch 1.
, and operate it in the Up force direction or Dn direction. The same applies to changing the shutter speed.

The embodiment described above provides the following effects.

That is, if the operating member operated to change the aperture value and shutter speed is provided on the top surface of the camera top cover, that is, near the release button,
The large index finger of the right hand must be used to operate the operating member, and the user must move the index finger on the release button onto the operating member each time the settings are changed.
By operating the operation member 10.20 for changing the aperture value and shutter speed with the right thumb, it is no longer necessary to remove the index finger from the release button each time the shooting information is changed, and the shooting information can be changed quickly. You will be able to do this. Also, the finger rest? The left side of the B7 is the operating member io for changing the aperture value, and the right side is the operating member 20 for changing the shutter speed.Even if the shooting position changes, the right thumb will be placed on the finger rest, so the viewfinder The user can easily find the desired operating member even while looking through 3, and it is possible to move the right thumb onto the desired operating member without confusion.

In addition, regardless of the shooting position of the camera, in other words, whether the camera is held vertically or horizontally, the aperture value can be increased (squeezed down) by operating the operating member 10.20 toward the top surface of the upper camera cover. Shutter speed is fast (shifts to high speed side)
Therefore, if the operation direction of each operation member is different, for example, the operation member for changing the aperture value should be placed in the vertical direction of the camera, and the operation member for changing the shutter speed should be placed in the left or right direction of the camera. Compared to the case where the device is operated in the same direction, there is less confusion during operation and the usability is improved.

Moreover, if the two operating members 10 and 20 are not arranged on the upper surface of the upper cover as in the embodiment, a larger one will be placed on the upper cover h surface.
It is advantageous to provide a multi-functional display section.

(Effects of the Invention) According to the present invention, the first operating member for changing the aperture value and the second operating member for changing the shutter speed are arranged close to each other, and the first operating member for changing the aperture value and the second operating member for changing the shutter speed are arranged close to each other. the second display section for the shutter time are arranged close to each other, the re-operation member and both display sections are arranged close to each other, and the first operation member is positioned close to the first display section. It is associated with
Since the second operating member is arranged in positional correspondence with the second display section, usability is improved and erroneous operations are prevented, especially when changing the camera from portrait to landscape orientation. Operational confusion is prevented.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a camera equipped with an embodiment of the photographic information setting device according to the present invention, FIG. 2 is an enlarged view showing the vicinity of the operating member, and FIG. 3 is a display on the top surface of the camera upper cover. 4 is a diagram showing the display in the finder, and FIG. 5 is a configuration diagram showing details of the operating members shown in FIG. 1. ■=Camera body 2:! A lid 3: Finder 4: -Top cover 5 = Release button 6, 31: Display 7: Finger rest 10
, 20: Switch 41: Upper surface of upper cover 42:
Upper cover rear surface 81.311: Aperture value display section f32, 312: For shutter speed display section Request person
Nippon Kogaku Kogyo Co., Ltd. Representative Patent Attorney Fuyuki Nagai Figure 5

Claims (1)

[Claims] 1) The first button operated to change the set aperture value.
a second operating member for changing the set shutter speed, and a first operating member for displaying the set aperture value.
and a second display section for displaying a set shutter time, each of the first and second operation members and the first and second operation members, Each of the two display sections is provided close to each other, and the operation member and the display section are provided close to each other, and the first operation member is positioned in correspondence with the first display section. The photographing information setting device for a camera, wherein the second operation member is arranged in a positional relationship with the second display section. 2) In the device according to claim 1, the first and second display sections are on the upper surface of the camera on the right side of the finder, and the first and second operation members are on the top surface of the camera on the right side of the finder. A photographing information setting device for a camera, characterized in that the device is disposed on the back cover side of a display section.