Vehicle speed control apparatus and method
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United States of America Patent
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Nov 25, 1986
Grant Date -
N/A
app pub date -
May 11, 1984
filing date -
May 11, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A passenger vehicle speed control apparatus and method are operative with a track providing an input speed command having ONEs and ZEROs information components. At least two programmed microprocessors operate with the vehicle and redundantly decode the ONEs and ZEROs input speed command signal components through operation of a fixed frequency filter for each of a plurality of frequency pairs and a variable frequency filter tuned to the frequency of the fixed filter having the highest amplitude signal component for determining a speed command signal to control the movement speed of the vehicle.
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