E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/00 (2006.01)
Patent
CA 2533092
A light pointing instrument is directed at a moveable barrier operator. The light pointing instrument transmits a narrow and directed beam of light to create a small, visible light region on a light receiver connected to the moveable barrier operator. The beam of light is received at the receiver of the operator. A moveable barrier is actuated in response to receiving the light from the light pointing instrument at the light receiver.
Macrae & Co.
The Chamberlain Group Inc.
LandOfFree
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