JPH0628849U - Camera display - Google Patents

Abstract

(57) [Summary] [Purpose] To make it easy to read shooting conditions when shooting in the dark, such as at night, without incurring costs. A pointer that is driven to rotate by an electric drive source, and has a pointer 120 that at least partially shines with a predetermined brightness in a dark place, and a display unit for instructing various shooting information by the pointer 120. In addition, the display units 121 to 122 and 124 that shine with a predetermined brightness in a dark place, and a changing unit that changes the position indicated by the pointer 120.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a display device of a camera for easily displaying various kinds of shooting information, particularly at night shooting.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, as a device for displaying various kinds of shooting information on a camera, a liquid crystal display device that digitally displays a shutter time or the like and a pictorial display such as a self-timer mode are known. It is also known to provide a rotary dial for setting the shutter speed, aperture, etc. so that the shooting condition is both set and displayed.

[0003]

[Problems to be solved by the device]

 However, the liquid crystal display device has a problem that the display contents cannot be read in a dark place unless a backlight is attached, and the attachment of a backlight increases the cost. On the other hand, the rotary dial has a problem that it is difficult to set shooting conditions in the dark such as at night. It is conceivable to draw numbers, letters, and indicators with fluorescent paint, but it is not preferable to draw all information displays with fluorescent paint, which is not only difficult to see but also increases costs.

An object of the present invention is to provide a display device for a camera that allows easy reading of shooting conditions at the time of shooting in a dark place such as night without cost.

[0005]

[Means for Solving the Problems]

 The invention according to claim 1 provides a camera display device having an information display section that shows various kinds of photographing information in the form of a picture, a symbol, a character, or a numerical value, and a pointer or an index for instructing the information display section. The above-mentioned object is achieved by forming the information display part that represents the shooting information set when the subject brightness is dark and the pointer or the index so that the information display part shines with a predetermined brightness in a dark place. To be achieved. The display device according to the invention of claim 2 is a pointer which is rotationally driven by an electric drive source, and at least a part of which shines at a predetermined brightness in a dark place, and the subject brightness is indicated by the pointer. The above-mentioned object is achieved by providing a display unit that is set in the dark when a display unit for displaying various kinds of shooting information is arranged to illuminate in a dark place with a predetermined brightness and a changing unit that changes the position pointed by the pointer. To achieve. According to another aspect of the invention, a camera having a photographing condition setting operation unit having various photographing information display units displayed in the form of pictures, symbols, characters, or numerical values, and an index for instructing the photographing information display unit. The above-mentioned object is achieved by applying the above-mentioned indicator to the display unit of the photographing information, which is applied when the subject brightness is dark in the photographing information, and the above-mentioned index, in a dark place. .

[0006]

[Action]

 The photographic information display that is likely to be used at night, for example, the valve "B" that is shutter speed information and its index illuminate in a dark place, for example, at night with a predetermined brightness or more. The photographer can easily view and display the desired conditions and modes without having to search for them.

Incidentally, in the section of means and action for solving the above problems for explaining the configuration of the present invention, the drawings of the embodiments are used for the sake of easy understanding of the present invention. It is not limited to the example.

[0008]

【Example】

 -First Embodiment- A first embodiment of the present invention will be described with reference to Figs. FIG. 2 is a rear view of a camera having a display device according to the present invention, and the display device 10 is provided on the upper surface of the camera body 1. The display device 10 of this embodiment includes a frame number indicator 11, a strobe mode indicator 12, and a self mode indicator 13, and changes the indications on the strobe mode indicator 12 and the self mode indicator 13, respectively. Buttons 14 to 17 are provided.

FIG. 1 is an enlarged view showing the upper surface of the camera shown in FIG. 2. The frame number display 11 includes a pointer 11a and a frame number display section 11b for indicating the number of frames to be photographed by the pointer 11a. The stepping motor 51 of FIG. 3 drives the pointer 11a in conjunction with the film feeding. The frame number display section 11b consists of characters "1" to "36" and "S". For example, the pointer 11a indicates "1" when the photographing of the first frame is completed. When the film cartridge is taken out of the camera, the pointer 11a indicates "S" by the step motor 51. Such control of the rotation amount of the pointer 11a is performed by the control circuit 50 of FIG.

The strobe mode display 12 includes a pointer 120 and strobe mode display portions 121 to 124 for indicating a strobe mode with the pointer 120, and the pointer 120 is rotationally driven by the step motor 52 in FIG. The strobe mode display section 121 is a pictogram indicating the automatic flash firing, “AUTO” and a pictogram. The strobe mode display section 122 is a pictogram indicating that the strobe firing is prohibited. The strobe mode display section 123 is a The pictogram indicating that the strobe is forced to emit light, and the strobe mode display section 124 is a pictogram indicating that the strobe is pre-firing to prevent so-called red-eye. In the example of FIG. 1, the pointer 120 gives an instruction to prohibit strobe light emission.

The pointer 120 constituting the strobe display 12 has fluorescent paint applied to the entire surface thereof, and shines with a predetermined brightness in a dark place. Fluorescent paint may be applied only to the tip of the pointer 120, or the entire pointer may be formed of a self-luminous material. Further, the strobe automatic light emission display portion 121, the strobe light emission prohibition display portion 122, and the pre-light emission display portion 124 are drawn with fluorescent paint, and similarly shine in a dark place.

The self-mode indicator 13 includes a pointer 130 and self-vod mode display portions 131 to 134 for indicating the self-mode with the pointer 130, and the pointer 130 is rotationally driven by the step motor 53 in FIG. It The self-mode display unit 131 has an English character "OFF" indicating that the self-mode is not used, the self-mode display unit 132 has a pictogram indicating continuous shooting, and the self-mode display unit 133 has a pictogram indicating double self and self. The mode display unit 134 is a pictogram indicating single self. In the example of FIG. 1, the pointer 130 indicates single self.

A strobe mode feed button 14 is provided near the strobe mode display 12, and the pointer 120 is driven to rotate by operating this button 14. A self-mode feed button 15 is provided in the vicinity of the self-mode display 13, and the pointer 130 is rotationally driven by operating the button 15. The rotation directions of the hands 120 and 130 are defined by the rotation direction setting buttons 16 and 17, respectively. When the flash mode feed button 14 or the self-mode feed button 15 is operated while operating the button 16, the hands 120 and 130 are respectively set. When the strobe mode feed button 14 or the self mode feed button 15 is operated while operating in the counterclockwise rotation direction and operating the button 17, the hands 120 and 130 rotate in the clock rotation direction. Such control of the pointer rotation direction is also performed by the control circuit 50 shown in FIG.

FIG. 3 is a block diagram showing a drive control circuit of the pointer driving step motors 51 to 53, and FIG. 4 is a flow chart showing an example of a processing procedure for driving the pointer performed by the control circuit 50. In FIG. 3, the pointer driving step motors 51 to 53 are connected to a control circuit 50 having a CPU, a ROM, a RAM and the like. The CPU 50 is also connected to a flash mode feed button 14, a self mode feed button 15, and rotation direction setting buttons 16 and 17, respectively. Further, a strobe device 54, a film feeding motor 55, a diaphragm and shutter control device 56, etc. are also connected to the control circuit 50.

An example of a pointer driving procedure in this embodiment will be described with reference to FIG. The program of FIG. 4 is started by operating one of the various buttons 14 to 17. First, in step S1, it is determined whether the strobe mode feed button 14 is operated. If it is determined that it is operated, in step S2. , It is determined whether the counterclockwise rotation direction setting button 16 is operated. When the counterclockwise rotation direction setting button 16 is operated, the step motor 51 is rotated in the reverse direction to rotate the pointer 120 90 degrees counterclockwise in step S3. When step S2 is denied and it is determined in step S4 that the clockwise rotation direction setting button 17 is operated, the step motor 51 is normally rotated in step S5 to rotate the pointer 120 clockwise by 90 degrees. . If step S1 is denied and it is determined in step S6 that the self-mode feed button 15 is operated, the process proceeds to step S7. When the operation of the counterclockwise direction setting button 16 is determined in step S7, the pointer 130 is rotated 90 degrees in the counterclockwise direction in step S8, and the operation of the clockwise direction setting button 17 is determined in step S9. , In step S10, the pointer 130 is rotated clockwise by 90 degrees. Then, in step S50, the process waits until the strobe mode feed button 14 or the self-mode feed button 15 is no longer operated, and returns if the operation of button 14 or 15 is not determined.

In the first and second embodiments described above, since the rotation direction of the pointer can be selected, the designated position can be changed quickly. In addition, by using a commercially available timepiece unit as the pointer drive unit and providing the control system and power supply on the camera body side, the overall system can be simplified. In addition, the indicator and pointer of various strobe modes that are particularly likely to be used at night shine with a certain brightness even in a dark place, so the photographer can easily find the desired strobe mode without searching. Can be set.

When the shooting condition displayed by the pointer is the shutter speed, the letter “B” that keeps the shutter open state while the shutter release button is being operated, the release button is operated. The letter "T" that keeps the shutter open for a predetermined time even after the release may be drawn with fluorescent paint. Further, although the display device is provided on the upper surface of the camera in the above, the position is not limited to the upper surface and may be, for example, the rear surface of the camera.

Second Embodiment FIGS. 5 and 6 show a second embodiment, in which a finder observation window 51, a strobe 52, a photometric light receiving window 53, and a distance measuring device are provided on the front surface of the camera 50. Windows 54, 55 are provided. A release button 56, a shutter speed display / setting dial 57, and a flash mode display / setting dial 58 are provided on the top surface of the camera. Incidentally, 60 is a lens barrel.

On the upper surface of the shutter speed display / setting dial 57, the numeral 57a representing the shutter speed of 1, 2, 4 ... 125, 250, the above-mentioned English letters “B” 57b, and the English letters “T” 57c are displayed. Is drawn, and the shutter speed is displayed / set by matching these numbers and characters to the index 59a. Of these, the English letters "B" 57b, the English letters "T" 57c, and the index 59a are drawn with fluorescent paint or self-luminous paint, and shine with a predetermined brightness in a dark place. In the example of FIG. 6, the index 59a indicates the valve "B" 57b.

As described above, on the surface of the strobe display / setting dial 58, a strobe mode display portion 58a, which is a pictogram indicating that the strobe is forcibly fired, and an English character indicating that the strobe is automatically fired, are provided. A strobe mode display section 58b consisting of "AUTO" and pictograms, a strobe display section 58c which is a pictogram indicating that the strobe is pre-flashed for so-called red-eye prevention, and a strobe figure indicating that strobe light emission is prohibited The mode display portion 58d is drawn. The strobe mode is displayed / set by matching these display portions 58a to 58d with the index 59b. Of these, the automatic strobe light emission display portion 58b, the pre-emission light emission display portion 58c, the light emission prohibition display portion 58d, and the index 59b are drawn with fluorescent paint or self-luminous paint, and shine with a predetermined brightness in a dark place. .. In the example of FIG. 6, the index 59b indicates the strobe automatic light emission mode.

In such a dial type display / setting device, a shutter speed information valve “B” or time “T”, which is particularly likely to be used at night, or a display unit of various strobe modes and indexes thereof. Since it shines with a predetermined brightness or more even in a dark place, the photographer can easily display / set desired conditions and modes without groping.

[0022]

[Effect of device]

 As described in detail above, according to the present invention, since the photographing information display, which is particularly likely to be used at night, is composed of a paint or material that shines at a predetermined brightness or more even in the dark, A person can easily visually recognize and display a desired condition or mode without searching.

[Brief description of drawings]

FIG. 1 is an enlarged top view of a display device according to a first embodiment.

FIG. 2 is a rear perspective view of a camera to which the present invention is applied.

FIG. 3 is a block diagram showing a drive control circuit of a display unit.

FIG. 4 is a flowchart showing a pointer driving processing procedure of the first embodiment.

FIG. 5 is a front view of a camera using the dial type display / setting device of the second embodiment.

6 is a top view of FIG.

[Explanation of symbols]

 1 Camera Body 10 Display Device 11 Frame Number Display 12 Strobe Mode Display 13 Self Mode Display 14 Strobe Mode Feed Button 15 Self Mode Feed Button 16 Counterclockwise Direction Setting Button 17 Clockwise Direction Setting Button 57 Shutter Speed Display / Setting Dials 57a to 57c Shutter speed display section 58 Strobe mode display / setting dials 58a to 58c Strobe mode display sections 59a and 59b Indicators 120 and 130 Indicators 121 to 124 Strobe mode display section 131 to 134 Self mode display section

Claims (3)

[Scope of utility model registration request] 1. A display device of a camera, comprising: an information display section showing various kinds of photographing information in the form of a picture, a symbol, a character, or a numerical value, and a pointer or an index for pointing the information display section. The part that represents the shooting information set when the subject brightness is dark, and the pointer or index,
A display device for a camera, which is formed so as to shine with a predetermined brightness in a dark place. 2. A pointer which is rotationally driven by an electric drive source, at least a portion of which shines at a predetermined brightness in a dark place, and which is set when the subject brightness is instructed by the pointer. A display device for a camera, comprising: a display unit for displaying various kinds of photographing information such that the display unit shines at a predetermined brightness in a dark place; and a changing unit for changing a position pointed by the pointer. 3. A display of a camera having a shooting condition setting operation unit having various shooting information display units displayed in any of pictures, symbols, characters, and numerical values, and an index for instructing the shooting information display unit. In the device, the display unit of the shooting information set when the subject brightness is dark in the shooting information and the index are made to shine at a predetermined brightness in a dark place. .