Control unit for vehicle-borne electrical equipment
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United States of America Patent
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-
Oct 8, 1996
Issued Date -
N/A
app pub date -
Aug 11, 1995
filing date -
Jul 22, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a control unit for vehicle-borne electrical equipment, that is, to a control unit for turning on vehicle-borne electrical equipment either periodically or at a predetermined or preset time, providing power to the equipment for a further predetermined or preset time, and then suspending supply of power to the electrical equipment. These functions are accomplished by a programmable timer power switch (PTPS) unit in combination with further control circuitry, each of the latter two elements having its own timer units or circuity.
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