Endpoint transmitter and power generation system

Details Endpoint transmitter and power generation system Endpoint transmitter and power generation system

2006-09-05

2006-09-05

Swarthout, Brent A. (Department: 2612)

Communications: electrical

Systems

Selsyn type

C340S315000, C340S315000

Reexamination Certificate

active

07102490

ABSTRACT:
An endpoint in a power distribution system includes a transmitter. The transmitter includes a transformer, a half-bridge driver, a first and second driver, and a resonant circuit. A primary winding from the transformer is coupled to a power distribution line, while the secondary winding is coupled to the transmitter. The half-bridge drive circuit selectively asserts drive signals. The resonant circuit has a natural resonant frequency in an audio frequency range. The half-bridge driver is arranged to selectively activate the first and second drivers such that the power-line is modulated with a square-wave signal at a frequency that is associated with encoded data. The half-bridge driver circuit can also be arranged to provide power to the transmitter, and to the endpoint.

REFERENCES:
patent: 4114151 (1978-09-01), Denne et al.
patent: 4310805 (1982-01-01), Hackert et al.
patent: 4359644 (1982-11-01), Foord
patent: 4396915 (1983-08-01), Farnsworth et al.
patent: 4517562 (1985-05-01), Martinez
patent: 4636771 (1987-01-01), Ochs
patent: 5416364 (1995-05-01), Divjak
patent: 5581229 (1996-12-01), Hunt
patent: 6002213 (1999-12-01), Wood
patent: 6137240 (2000-10-01), Bogdan
patent: 6834002 (2004-12-01), Yang
patent: WO 92/21177 (1992-11-01), None

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