发明名称 |
ANZEIGEEINHEIT FUER BLITZLICHTGERAET |
摘要 |
<p>In a flashlight emission system, apparatus for lighting a flash tube to illuminate an object and for controlling the quantity of emitted light from the flash tube, the apparatus being cooperative with a camera having structure for presetting ASA speed of film and aperture value of a taking lens prior to taking, there is provided a device for displaying the limit of object distance for providing an optimum exposure to the film comprising; apparatus for receiving information of the ASA speed and aperture value from the camera to make up first data corresponding to the received information; apparatus for making second data indicative of the limit of the quantity of emitted light controllable by the control apparatus; a device for calculating the limit of object distance from the first and second data and generating an output corresponding to the limit found out by the calculation; and apparatus for making a visual display of the limit of object distance in response to the output of the calculation device.</p> |
申请公布号 |
DE3240190(A1) |
申请公布日期 |
1983.05.11 |
申请号 |
DE19823240190 |
申请日期 |
1982.10.29 |
申请人 |
NIPPON KOGAKU K.K. |
发明人 |
MAIDA,OSAMU;HASEGAWA,HIROSHI;HAGYUDA,NOBUYOSHI;IIDA,YOSHIKAZU |
分类号 |
G03B7/16;G03B15/05;(IPC1-7):03B15/05 |
主分类号 |
G03B7/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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