-
公开(公告)号：US3584228A
公开(公告)日：1971-06-08
申请号：US3584228D
申请日：1969-03-27
Applicant: GEN ELECTRIC
Inventor： KENYON LEWIS W , KILPATRICK ROBERT F
CPC classification number: H05B37/0218 , F21S8/088 , F21V23/0464 , Y02B20/46
Abstract: Adjustable reflective shield member is attached to photoelectric control unit mounted in luminaire for directing to the light sensor therein ambient light from desired direction and of desired intensity.
Search Results
1
records
(took 0.03 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
