发明名称 Light-shielding device for oral photography
摘要 An illuminating device is used for oral photography and is connectable to a lens barrel provided on a camera. The illuminating device includes a light-emitting surface that has an arc shape, so that a periphery of a mouth being under a nose of a person being photographed can be exclusively illuminated.
申请公布号 US7577344(B2) 申请公布日期 2009.08.18
申请号 US20080027693 申请日期 2008.02.07
申请人 HOYA CORPORATION 发明人 KAKIUCHI SHINICHI
分类号 A61B1/04;G03B15/00;A61B1/06;A61C19/04;G03B15/02;G03B15/03;G03B15/05;G03B17/24;G03B17/56 主分类号 A61B1/04
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