Device for single line bidirectional data transmission between an intelligent card's microprocessor and a second processor

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United States of America Patent

PATENT NO 4556958
SERIAL NO

06657471

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Abstract

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Each section includes a data processing unit (1) provided with circuitry (7) for transmitting processed data to the other station, as well as circuitry (7) and (2) for reception of the data processed by the other station. The transmission occurs between the stations via only one connection 1.sub.3, plus a return connection such as 1.sub.1.

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Patent Owner(s)

Patent OwnerAddress
BULL S A78434 LOUVECIENNES CEDEX

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ugon, Michel Maurepas, FR 25 2300

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