Method and apparatus for interfacing between a twisted pair and an intelligent cell

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United States of America Patent

PATENT NO 5454008
SERIAL NO

08303635

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Abstract

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A transceiver module for coupling between cells in a distributed intelligence network and a twisted pair line. The module receives power from the line and provides power to its respective cell. At the end of transmitting a packet, the transceiver transmits a code violation, then an anti-code violation to dissipate energy in the line. This is followed by clamping the line for the dead time between packets. N transceivers may be connected (without a cell) to form a repeater. The transceiver module may be used in a network having free topology; that is, an ideal transmission line, with terminators is not needed.

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Patent Owner(s)

Patent OwnerAddress
ECHELON CORPORATIONSAN JOSE CA 95126

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baumann, Donald D San Jose, CA 6 275
Berke, W Mike Newark, CA 3 118
Dreyer, Stephen F Palo Alto, CA 35 1735
Sinks, Rod G Cupertino, CA 6 301
Stoll, Kurt A Fremont, CA 4 171

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