Monopolar, synchronized communication system

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United States of America Patent

PATENT NO 6577232
SERIAL NO

09702502

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A communication protocol facilitates transmission at maximum rates for various types of cables. The protocol can be used to transmit information between a common control unit and a plurality of spaced apart devices coupled thereto. Alternately, the protocol can be used for transmission of information between devices. One control unit or device transmits clock pulses, while in a low impedance state. The devices respond to the clock pulses and transmit data on the communications link, in a low impedance state, when the source of clock pulses assumes a high impedance state. One or more features of transmitted signals can be used to implement one or more synchronized functions.

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Patent Owner(s)

Patent OwnerAddress
PITTWAY CORPORATION200 SOUTH WACKER DRIVE SUITE 700 CHICAGO IL 60606

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bohannon, Mark C Lisle, IL 1 4
Clow, Robert J Aurora, IL 16 286
Doll, David C South Elgin, IL 2 4
Hawkinson, Daniel C Elburn, IL 9 67

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