Coupling between power line and customer in power line...

Details Coupling between power line and customer in power line... Coupling between power line and customer in power line...

2007-10-23

2007-10-23

Beamer, Temica (Department: 2617)

Telecommunications

Having single-channel telephone carrier

Over power line

C455S426100, C455S014000

Reexamination Certificate

active

10219520

ABSTRACT:
Apparatus for coupling communication signal modulated radio frequency signals between an electrical power distribution line and the electrical power wiring at a customer's premises which includes a first transceiver for transmitting and receiving electromagnetic energy is inductively coupled to the distribution line and a second transceiver for receiving electromagnetic energy from, and transmitting electromagnetic energy to, the first transceiver. The second transceiver is coupled to the customer's power wiring to receive communication signals from, and to supply communication signals to, the customer's power wiring. The electrical power for the first transceiver can be supplied by inductive coupling to the power line and/or a battery, the battery being a back-up source when both inductive coupling and a battery are present.

REFERENCES:
patent: 4777652 (1988-10-01), Stolarczyk
patent: 5272350 (1993-12-01), Solari et al.
patent: 5559377 (1996-09-01), Abraham
patent: 5818127 (1998-10-01), Abraham
patent: 5994998 (1999-11-01), Fisher et al.
patent: 6069588 (2000-05-01), O'Neill, Jr.
patent: 6317089 (2001-11-01), Wilson et al.
Pages 87-120 of “The Essential Guide to Home Networking Technologies”, published 2001 by Prentice Hall, Inc., by Gerard O'Driscoll.
Home Plug Standard Brings Networking to the Home, Dec. 2000, vol. 16, No. 12 Communication Systems Design Magazine.

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