发明名称 BACK COVER FOR CAMERAS PROVIDED WITH SOUNDING BODY
摘要 PURPOSE:To make possible ordinary warning and displaying through light emission as well as detecting the warning and displaying more definitely by providing a sounding body to the back cover of a camera and performing various warnings and others at the photographing from sound.
申请公布号 JPS53148432(A) 申请公布日期 1978.12.25
申请号 JP19770063064 申请日期 1977.05.30
申请人 CANON KK 发明人 SHIMIZU MASAMI;UCHITOI MASANORI;DATE NOBUSHI;AIZAWA HIROSHI
分类号 G03B17/18;G03B17/40 主分类号 G03B17/18
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