AUI to twisted pair loopback

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United States of America Patent

PATENT NO 5467369
SERIAL NO

08224946

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An integrated media attachment unit (MAU) operative for interfacing Digital Terminal Equipment (DTE) on a Local Area Network (LAN) using twisted pair media. The twisted pair function as either a DTE MAU or a repeater MAU. A line driver for the twisted pair differential signal provides a ramped response with low jitter while an improved Attachment Unit Interface (AUI) driver uses CMOS technology and provides simplified End-of-Transmission Delimiter (ETD) control. The twisted pair MAU includes a combined override and status indication of link status and an additional feature to allow automatic polarity reversal of differential signal input lines and polarity status signalling.

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Patent Owner(s)

Patent OwnerAddress
GLOBALFOUNDRIES INCMAPLES CORPORATE SERVICES LIMITED PO BOX 309 UGLAND HOUSE GRAND CAYMAN KY1-1104

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blumenthal, Jeffrey M Fremont, CA 8 466
Crayford, Ian S San Jose, CA 14 481
Vijeh, Nader Cupertino, CA 22 441

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