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1. 发明申请

WO1982001079A1 PHOTOGRAPHIC CAMERA 审中-公开
标题翻译：摄影摄像机
公开(公告)号：WO1982001079A1
公开(公告)日：1982-04-01
申请号：PCT/US1981000641
申请日：1981-05-14
申请人： POLAROID CORP
发明人： POLAROID CORP , WHITESIDE G , JOHNSON B
IPC分类号： G03B07/083
CPC分类号： G03B7/091 , G03B7/16
摘要： A fully automatic exposure control system is desired for providing either a shortened or an extended maximum exposure interval time out period dependent upon the distance between the camera and subject either directly by sonic ranging or indirectly by sampled reflected light. An automatic exposure control system is disclosed wherein a sonic rangefinder (132) and counter (146) sets a flip-flop (166) if the subject distance is far beyond the effective flash range. A logic circuit (168, 170, 172) routes a shortened or extended maximum exposure time out signal from counter (174) if the light integrating circuit (72) has not reached a certain level (88) to terminate exposure. Alternatively the maximum exposure interval time is lengthened if logic circuit (90) detects light integrating circuit (72) has not reached a certain level (84) when a pulse (114) is generated overlapping the illumination period.
摘要翻译：需要全自动曝光控制系统，以提供取决于照相机和被摄体之间的距离的缩短或延长的最大曝光间隔超时周期，直接通过声波测距或通过采样的反射光间接提供。公开了一种自动曝光控制系统，其中如果被摄体距离远远超出有效闪光范围，声音测距仪（132）和计数器（146）设置触发器（166）。如果光积分电路（72）尚未达到一定水平（88）以终止曝光，逻辑电路（168,170,172）将来自计数器（174）的缩短或延长的最大曝光超时信号路由。或者，当产生与照明周期重叠的脉冲（114）时，如果逻辑电路（90）检测到光积分电路（72）没有达到一定水平（84），则最大曝光间隔时间延长。

2. 发明申请

WO1979000962A1 PHOTOGRAPHIC FLASH APPARATUS 审中-公开
标题翻译：摄影闪光灯
公开(公告)号：WO1979000962A1
公开(公告)日：1979-11-15
申请号：PCT/US1979000252
申请日：1979-04-19
申请人： POLAROID CORP
发明人： POLAROID CORP , BIBER C , JOHNSON B , WHITESIDE G
IPC分类号： G03B07/10
CPC分类号： G03B15/05 , G02B7/40 , G03B2215/05
摘要： An image recording apparatus and method employing a diaphragm shutter (26) having a time variable exposure aperture with flash firing, following actuation of the shutter (26), after a time interval dependent on subject range. The functional relationship between the time interval and subject range establishes a parametric relationship between the brightness of the subject due to its flash illumination and the scan time of the diaphragm shutter (26). The inverse of this parametric relationship constitutes the timewise variation in the exposure aperture area of the shutter (26). Consequently, whenever the subject (33) is within a predetermined maximum distance from the camera (24), dependent upon the maximum aperture area attainable by the shutter (26), the instantaneous product of subject brightness and aperture area will be a constant with the result that proper exposure of the photographic film (38) is achieved independent of the subject range.

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