发明名称 Photographic film package
摘要 A disposable film package of the type having a taking lens comprises a film casing; a film cartridge containing a high speed film therein in said film casing; a viewfinder; and a scene brightness indicating member disposed in the viewfinder. The indicating member becomes visible or invisible according to scene brightness conditions. When the indicating member becomes visible, the photographer is thus given warning that an improper exposure would result.
申请公布号 US4804992(A) 申请公布日期 1989.02.14
申请号 US19870067282 申请日期 1987.06.29
申请人 FUJI PHOTO FILM CO., LTD. 发明人 MORIYAMA, MOTONORI;FUJIMURA, IKUO;TANAKA, TSUTOMU;WATANABE, TAKESHI
分类号 G03B7/02;G03B17/20;G03B19/04;(IPC1-7):G03B17/18 主分类号 G03B7/02
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