Communications: electrical – Systems – Selsyn type
Reexamination Certificate
2006-12-05
2006-12-05
Nguyen, Tai (Department: 2612)
Communications: electrical
Systems
Selsyn type
C340S315000, C340S315000, C340S315000, C340S538170, C340S870020, C375S219000, C375S220000, C439S676000
Reexamination Certificate
active
07145440
ABSTRACT:
Disclosed is a power line broadband communication system having broadband coupler devices capable of direct electrical connection to an energized power line. The coupler includes a conductive portion movable by an adjustable member from a non-conducting retracted position spaced apart from the power transmission line to a forward conducting position in electrical contact with the power line. An insulated arm supports the coupler on the power line. A base on the coupler is engageable with a remotely activated tool in order to accomplish the electrical connection in a safe and secure manner. Broadband data signals are sent to and from customer premises along the shared energized power lines. New coupler connections to the energized power lines allow the additional broadband customers and/or repeaters to join the communication system. Also couplers may provide connections to control electronics, routers, wireless transceivers, and may allow the broadband signals to bypass transformers on the power lines. The invention helps to minimize risk by allowing an installer to be remotely spaced from the energized power line while making the electrical coupling contact with the energized power line.
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Gerszberg Irwin
Henry Paul Shala
AT&T Corp.
Nguyen Tai
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