发明名称 Lens-fitted film unit
摘要 A lens-fitted film unit includes: a main body; a photographic lens provided in the main body, having an aperture value; an aperture provided in the main body; a shutter provided in the main body, having a shutter speed; a photographic film loaded in the main body, having image frames each including an unexposed portion and a pre-exposed portion on which a latent image has been formed; and a masking member for masking the pre-exposed portion of the photographic film when a photographing operation is conducted. The latent image has been formed on the photographic film with a same exposure amount as that obtained when an object to be photographed having a brightness of not less than 10 and not more than 12.5 in terms of light values in which a photographic film whose ISO sensitivity is 100, is exposed to light with an aperture value of the photographic lens set by the aperture and with the shutter speed of the shutter.
申请公布号 US6341200(B1) 申请公布日期 2002.01.22
申请号 US19990306352 申请日期 1999.05.06
申请人 KONICA CORPORATION 发明人 NAKANISHI KAZUHIRO;TAKANO KUNIKAZU;KIBAYASHI HIROSHI;NAKANISHI HIROMI;TAKABA TETSUFUMI;HIROSHIMA WATARU;TAKEDA TSUYOSHI;AOKI AKIRA;ONDA KANICHI
分类号 G03B17/02;(IPC1-7):G03B17/02;G03B11/00;G03B17/24 主分类号 G03B17/02
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