Communications: electrical – Continuously variable indicating – With meter reading
Patent
1996-08-12
1999-08-03
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
359142, 439642, H04Q 100
Patent
active
059330910
ABSTRACT:
An infrared-sensitive switching apparatus for use with typical household electic appliances, and an adaptor for supporting the switching apparatus. In one application, the apparatus is used with a lamp, and the adaptor includes a first housing member configured as a female socket for receiving and making electrical contact with a conventional light bulb base, a second housing member configured as a male lamp base which can screw into and make electrical contact with a conventional lamp socket, and a sensor assembly. The sensor assembly includes a photodiode, a power supply, an infrared amplifier, and an ASIC (Application Specific Integrated Circuit). The sensor assembly electrically couples the first and second housing members. The ASIC includes a rectifying circuit, a filter circuit, a switching circuit, and a current-limiting circuit between the filter circuit and the switching circuit. The switching circuit generates a regulated pulsed, high frequency, current at predetermined intervals.
REFERENCES:
patent: 4262365 (1981-04-01), George
patent: 4632490 (1986-12-01), Von Gunten
patent: 4712105 (1987-12-01), Kohler
patent: 4935733 (1990-06-01), Munekata
patent: 5099193 (1992-03-01), Moseley
Carnegie Don L.
Lewis Terrell P.
Zimmerman Brian
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