Driver key car identifying system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 26, 1985
Grant Date -
N/A
app pub date -
May 19, 1983
filing date -
May 19, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key card receiver is mounted in the cab of a truck. The driver inserts a card with a power-in contact shorted to several data output contacts. A power-out contact provides power to the receiver to operate three sequentially connected integrated circuits and another integrated circuit for pulsing the three serially connected circuits to convert concurrent binary data of shorted or open conductors on the driver card to a sequential data signal.
First Claim
Family
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Cited Art Landscape
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