发明名称 Device for displaying data in camera viewfinder
摘要 A camera viewfinder which includes a device for displaying data, such as shutter speed and aperture value. A liquid crystal display and associated illuminating systems are provided for the display device. The illuminating system includes an illuminating lamp and a diffusion plate for diffusing light from the lamp. The diffusion plate has a groove or hole at its center for accommodating the lamp and a flat surface facing the liquid crystal display. The surface of the diffusion plate opposite the flat surface has sloping sides which slope downward from the center of the diffusion plate.
申请公布号 US4560264(A) 申请公布日期 1985.12.24
申请号 US19840575375 申请日期 1984.01.30
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 KITAZAWA, TOSHIYUKI;MORISAWA, TAHEI;TAKAHASHI, NORIMICHI
分类号 G02B1/04;G02B5/02;G02F1/1335;G02F1/13357;G03B13/02;G03B17/20;(IPC1-7):G03B13/02 主分类号 G02B1/04
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