JPS5984534U

JPS5984534U - Illumination device for display inside camera viewfinder

Info

Publication number: JPS5984534U
Application number: JP17909182U
Authority: JP
Inventors: 山賀　茂; 新一郎輿石; 大黒　忠文
Original assignee: 株式会社リコー
Priority date: 1982-11-29
Filing date: 1982-11-29
Publication date: 1984-06-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図Ａは本考案の第１の実施例の構成を示す概略断面
図、同図Ｂは同図Ａにおけるシャツタ秒時表示板と液晶
表示素子とを重ねた状態を示す平面図、第２図は本考案
の第２の実施例の構成を示す概略断面図、第３図Ａおよ
びＢは本考案の第３および第４の実施例の構成を示すそ
れぞれ概略断面図、第４図は発光素子と液晶表示素子を
駆動す　　　−る回路の構成を示す回路図、第５図Ａお
よびＢは、本考案の第５の実施例の構成を示す概略断面
図および側面図である。１・・・・・・表示板、２・・・・・・液晶表示素子、
３・・・・・・外光、４．　７．　８．　１０．　１７
・・・・・・プリズム、５゜１８１〜１８ｎ・・・・・
・発光素子、６・・・・・・凹レンズ、′１１・・・・
・・受光素子、１２・・・・・・表示演算回路、１３・
・・・・・液晶駆動回路、１５・・・・・・トランジス
タ。吉　　（。（Ｓ）　　　　− １０ａ−ｋ３FIG. 1A is a schematic sectional view showing the structure of the first embodiment of the present invention, FIG. The figure is a schematic sectional view showing the configuration of the second embodiment of the present invention, Figures 3A and B are schematic sectional views showing the configuration of the third and fourth embodiments of the present invention, and Figure 4 is the light emitting FIGS. 5A and 5B are a circuit diagram showing the structure of a circuit for driving an element and a liquid crystal display element, and are a schematic cross-sectional view and a side view showing the structure of a fifth embodiment of the present invention. 1...Display board, 2...Liquid crystal display element,
3...Outdoor light, 4. 7. 8. 10. 17
...Prism, 5゜181~18n...
・Light emitting element, 6... Concave lens, '11...
...Light receiving element, 12...Display calculation circuit, 13.
...Liquid crystal drive circuit, 15...Transistor. Kichi (. (S) - 10a-k3

Claims

[Scope of utility model registration request]

A camera provided with a display means on which photographing element information is displayed, and an instruction means for instructing the corresponding photographing element information on the display means according to the adjustment state of the photographing element, so as to appear within the field of view of the finder. an external light illumination means for introducing light from outside the camera; an artificial illumination means comprising a light emitting element or the like; and an information display section of the display means for introducing illumination light from the external light illumination means and the artificial illumination means. an optical means for illuminating, the entire display range of the display means being substantially uniformly illuminated by the external light illumination means and the optical means;
A finder for a camera, characterized in that the artificial illumination means and the optical means are configured to illuminate the entire display range of the display means, and also to illuminate a specific display area of the display means in a point-wise manner. Lighting device for internal display.