Re-regulation circuit for automobile tachometer detection circuit
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United States of America Patent
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-
Apr 22, 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
A re-regulation circuit operates in the environment of a vehicle alternator/charging system and cooperates with the standard regulator to prevent momentary loss of load from reducing the field excitation to such an extent that the alternator AC output is too low for proper functioning of such AC-dependent circuits as the tachometer circuit. Re-regulation is prohibited in the event of a true fault in the system. The temporary condition is not indicated to the user as a true fault.
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