Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Patent
1995-07-06
1996-12-31
Ip, Paul
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
318266, 318286, 49 25, E05F 1520
Patent
active
055897479
ABSTRACT:
A light and motion governed garage door opener lamp comprising an illumination system. Also included is a garage door opener system that produces a first electric signal upon the activation thereof. A sensor module includes a motion sensing mechanism capable of detecting the presence of one or more humans nearby and producing a second electrical signal upon the detection thereof. The sensor module further includes a light sensing mechanism having an open orientation when exposed to sufficient light for allowing the transmission of the first and second electric signals thereby allowing energization of the illumination system. The light sensor switch further has a closed orientation when exposed to insufficient light for precluding the transmission of the first and second electrical signals thereby preventing energization of the illumination system. The sensor module is also adapted to generate a temporal delay in extinguishment of said illumination system upon initial energization in the absence of detection of any human forms hence permitting a person to exit the sensing field of view momentarily and return without having the lamps cycle off and on.
REFERENCES:
patent: 4048630 (1977-09-01), Deming et al.
patent: 5247232 (1993-09-01), Lin
patent: 5412297 (1995-05-01), Clark et al.
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