发明名称 Lamp reflector unit
摘要 A lamp reflector unit to be used for projection purposes and comprising a reflector body and a light source accommodated therein. The reflector body is covered with a reflective layer extending from the top of the reflector body up to a distance from the largest circumferential edge of the reflector body. The distance is between 3 mm and 10 mm, dependent on the desired angle of divergence of the reflected beam light rays.
申请公布号 US4181930(A) 申请公布日期 1980.01.01
申请号 US19770823401 申请日期 1977.08.10
申请人 U S PHILIPS CORP 发明人 MEWISSEN, JAN A C;VAN BEEK, FERDINANDUS M J
分类号 G03B21/14;F21V7/20;H01K7/02;(IPC1-7):F21V7/00;F21V1/22 主分类号 G03B21/14
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