Alternator system multifunction fault detector
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United States of America Patent
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-
Nov 18, 1986
Grant Date -
N/A
app pub date -
Dec 31, 1984
filing date -
Dec 31, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Three possible types of 'faults' may be detected in the ignition system of a vehicle, using simple combinational logic to provide an essentially error-free activation of an indicator when a true fault is present. 'Fault' signals which mean non-rotation of the alternator, broken cables or short circuits and the like are distinguished from transient and less significant conditions. The latter conditions are prevented from activating the indicator. A single indicator lamp serves to alert the user to a serious fault requiring service.
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