JPH05292362A - View finder device for camera and electronic device - Google Patents

Abstract

PURPOSE:To prevent occurrence of mistake in image pickup. CONSTITUTION:The device is provided with a display device 21 having an image pickup display panel 21a displaying the image pickup state and a display plate 23 having an information display panel 23a provided at the outside of the image pickup display panel 21a of the display device 21, and a board 25 with a chip light emitting element 26 mounted thereon having a light emission face 26a corresponding to the information display panel 23a is provided to the rear side of the display plate 23. Since the board 25 is arranged in the vicinity of the display device 21 to make the light emitting element 26a close to the image pickup display panel 21a, the information dispensable to the image pickup is surely visually confirmed even when an object is picked up while observing the surrounding of the camera.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera viewfinder and electronic equipment suitable for use in, for example, a television camera.

[0002]

2. Description of the Related Art Generally, in a television camera, the position of the operator's eyes is adjusted by advancing and retracting a viewfinder in the front-back direction or the left-right direction of the camera body as a means for knowing an accurate shooting state when shooting with the camera. It is widely known that the camera has a viewfinder device that has the function of enhancing the operability of the camera, or the function of enhancing the portability of the camera by positioning the viewfinder by rotating the viewfinder above the camera body when carrying the camera. ing.

Conventionally, a viewfinder device of this type of camera was previously disclosed by the applicant of the present invention in Japanese Patent Application No. 3-229.
A device disclosed as "viewfinder device for video camera" in the specification and drawings of No. 683 is proposed, and is configured as shown in FIGS.

This will be described with reference to FIG. 1. In FIG. 1, the reference numeral 1 designates a video camera main body having a photographing lens 2 projecting forward, and 3 a video camera main body 1 provided with a cathode ray inside thereof. The viewfinder device includes a viewfinder main body 5 having a tube 4 and a tubular eyepiece 7 having an eye cap 6 at its tip.

A mask 8 for protecting the image pickup display surface 4a of the cathode ray tube 4 is provided in the viewfinder body 5 of the viewfinder device 3, and the image pickup display surface is provided at the upper and lower edges of the mask 8. A plurality of light transmitting holes 8a that are opened in a direction perpendicular to 4a are provided.

On the other hand, in the eyepiece section 7 of the viewfinder device 3, there are housed a mirror 9 for reflecting the image taken by the cathode ray tube 4 to the eyecap side and a lens 10 for enlarging the image reflected by the mirror 9. ing.

Reference numeral 11 denotes a plurality of indicators provided above and below the cathode ray tube 4 via a display plate (not shown) for displaying various information such as warning information.

These indicators 11 are printed on a sticker (not shown) attached to the display plate (not shown).

Reference numeral 12 is a substrate on which a discrete type light emitting element (LED) 13 for indicator illumination, which faces each of the through holes 8a, is mounted.

In the viewfinder device of the camera constructed as described above, the photographed image displayed by the cathode ray tube 4 and the indicator 11 illuminated by the discrete light emitting element 13 are reflected by the mirror 9.
This reflected image is magnified by the lens 10 and guided to the eye cap side.

By the way, in the viewfinder device of this type of camera, the photographed image displayed by the cathode ray tube 4 and the display of the indicator 11 are enlarged by the lens 10.

[0012]

However, in the conventional viewfinder device of the camera, the rear portion outer diameter is set larger than the front portion outer diameter of the cathode ray tube 4 (outer portion outer diameter of the image pickup display surface 4a). Therefore, a plurality of discrete light emitting elements 13 are arranged at positions separated from the cathode ray tube 4 in the display surface direction. As a result, when the photographer shoots while observing the periphery of the camera with the eyes slightly separated from the eyecap 5, a part of the indicator 11 is removed from the field of view of the photographer, and a shooting error occurs. was there.

The present invention has been made in view of the above circumstances, and a viewfinder device of a camera capable of surely visually recognizing information essential for photographing and thus preventing occurrence of photographing mistakes. An electronic device is provided.

[0014]

A viewfinder device for a camera according to the present invention is a display device for a viewfinder having a photographing display surface for displaying a photographing state, and information provided outside the imaging display surface of the display device. A display plate having a display surface, and a substrate on which a chip-type light emitting element having a light emitting surface corresponding to the information display surface is mounted is provided behind the display plate.

[0015]

In the present invention, the light emitting element can be brought close to the photographing display surface by disposing the substrate near the display device.

[0016]

Embodiments of the present invention will be described in detail below with reference to embodiments shown in the drawings.

FIG. 1 is an exploded sectional view showing a viewfinder device for a camera according to the present invention, and FIGS. 2A and 2B are perspective views showing a main part of the viewfinder device for a camera according to the present invention. FIG. 3 is a sectional view showing a display device of a viewfinder device of a camera according to the present invention. In the description of the embodiment, the same members as those used in the description of the conventional example are designated by the same reference numerals.

In the figure, reference numeral 21 is a display device having a photographing display surface 21a for displaying a photographing state.
For example, it is composed of a 1.5-inch size cathode ray tube and is provided in the viewfinder body 5.

Reference numeral 22 denotes a mask which protects the photographic display surface 21a, which is mounted on the peripheral wall of the display device 21 and has rectangular recesses 22a at the upper and lower edges which are open forward (to the side of the video camera). It is provided.

Reference numeral 23 is a display plate having an information display surface 23a, which is formed by printing a plurality of display portions 24 as indicators on a transparent sheet and is provided in front of the display device 21.

Reference numeral 25 denotes a rectangular substrate fitted in each of the recesses 22a, which is provided behind the display plate 23 and has a light emitting surface 26a corresponding to the information display surface 23a on the surface thereof. Six chip-type light emitting elements 26 are mounted to illuminate each of the display portions 24.

Numeral 27 is a spacer for preventing light leakage, which is provided at the rear of the display plate 23 and fixed to the mask 22 by a mounting screw 28. The spacer 27 has a through window 2 facing each of the light emitting elements 26.
9 is provided. The through window 29 is formed by the vertical wall 29a and the vertical wall 2 which are opened on the back surface of the spacer 27.
It is formed by a through hole composed of an inclined wall 29b extending from 9a toward the surface of the spacer 27. Of these, a metal such as aluminum is vapor-deposited on the inclined wall 29b so that the light emitted laterally from the light emitting element 26 can be reflected in the opening direction of the through window 29. ..

Reference numerals A and B in the figure indicate the directions of the light emitted by the light emitting element 26 and the light reflected by the inclined wall 29b.

In the viewfinder device of the camera thus constructed, the substrate 25 is arranged in the vicinity of the display device 21 and each light emitting element 26 is brought close to the photographing display surface 21a, that is, the optical path from each light emitting element 26. Optical axis F
Since it is possible to approach the camera, it is possible to reliably view the information essential for shooting even when shooting while observing the surroundings of the camera.

Further, in this embodiment, the photographing display surface 21
The fact that each light emitting element 26 can be arranged at a position close to “a” can increase the visible information display area.

In the present embodiment, an example in which metal is vapor-deposited on the inclined wall 29b has been shown, but the present invention does not matter even if a metal foil is attached to the inclined wall 29b.

Further, the number and size of the chip type light emitting elements in the present invention are not limited to those in the above-mentioned embodiment, and the number of chip type light emitting elements 30 is increased as shown in FIG. As shown in FIG. 3B, a chip type light emitting element 3
The size of 1 may be set to a large size.

Further, the present invention is not limited to consumer video cameras and broadcast station video cameras, but can be applied to various cameras as in the embodiment.

In addition to the above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.

[0030]

As described above, according to the present invention, a display device for a viewfinder having a photographing display surface for displaying a photographing state, and an information display surface provided outside the imaging display surface of the display device. Since a substrate provided with a display plate and a chip-type light emitting element having a light emitting surface corresponding to the information display surface is provided behind the display plate, the substrate is arranged in the vicinity of the display device to display images. The light emitting element can be brought close to the surface.

Therefore, even when taking a picture while observing the surroundings of the camera, it is possible to surely visually recognize the information essential for the picture taking, so that it is possible to prevent the occurrence of a mistake in the picture taking.

Further, since each light emitting element can be arranged at a position close to the photographing display surface, the visible information display area can be expanded, so that the number of light emitting elements can be increased and the display area can be increased. Can be expanded.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an exploded viewfinder device of a camera according to the present invention.

FIGS. 2A and 2B are a perspective view and a cross-sectional view showing a main part of a viewfinder device of a camera according to the present invention.

FIG. 3 is a front view showing a display device of a viewfinder device of a camera according to the present invention.

4A and 4B are front views showing display examples in another embodiment.

FIG. 5 is a perspective view showing an example in which a conventional viewfinder device of a camera is applied to a video camera.

FIG. 6 is a perspective view showing a conventional viewfinder device of a camera.

FIG. 7 is a perspective view showing a display device of a conventional viewfinder device of a camera.

[Explanation of symbols]

 21 ... Display device 21a ... Photographing display surface 23 ... Display plate 23a ... Information display surface 25 ... Substrate 26 ... Light emitting element 26a ... Light emitting surface

Claims (2)

[Claims] 1. A display device for a viewfinder having a photographing display surface for displaying a photographing state, and a display plate provided outside the imaging display surface of the display device and having an information display surface, the rear of the display plate. A viewfinder device for a camera, comprising: a substrate on which a chip-type light emitting element having a light emitting surface corresponding to the information display surface is mounted. 2. An electronic device comprising the viewfinder device according to claim 1.