发明名称 FILM CASSETTE OF CAMERA FOR ENDOSCOPE
摘要 PURPOSE:To give correct exposure to a film by providing a filter having the transmittance corresponding to the sensitivity of the housed film between a data imprinting device and the film. CONSTITUTION:A film cassette 10 has a film supply chamber 12, a film winding chamber 14 and a bridge connecting these two chambers. The photosensitive film 16 housed in the cassette 10 is of the sensitivity corresponding to a use object or the like. The data imprinting device of the camera in which the cassette 10 is housed is provided with a data display device 18 consisting of, for example, plural LED light emitting display devices, and a converging lens 20 which irradiates the light beams from the display device 18 to the back surface of the film 16 by focusing the beams. A filter 22 having the transmittance corresponding to the sensitivity of the film 16 is provided to the film cassette 10 between the film 16 and the lens 20, so that the film 16 surface is irradiated by correct exposure.
申请公布号 JPS56154723(A) 申请公布日期 1981.11.30
申请号 JP19800058983 申请日期 1980.05.02
申请人 OLYMPUS OPTICAL CO 发明人 TANIGAWA KOUJI
分类号 G03B37/00;G03B17/30;G03C3/00 主分类号 G03B37/00
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