Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Including means for using – or compensating for – the induced...
Patent
1998-03-19
1999-11-09
Gaffin, Jeffrey
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Including means for using, or compensating for, the induced...
363 21, 323 2, 323282, H01H 4700, H02M 3335, G05F 144
Patent
active
059826045
ABSTRACT:
A power supply apparatus is provided for energizing an electronic control unit mounted on a vehicle having a battery and a starter switch. The apparatus includes a coil connected to the power supply line, and a switch which operates for selectively enabling a current to flow through the coil and cutting off the current through the coil. A control circuit operates for selectively changing the switch between an ON state and an OFF state when the starter switch assumes an ON position. The ON and OFF states alternate in accordance with predetermined delays.
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Wood: "DC-to-DC Converters", Electronics Engineers' Handbook, 1975; pp. 15-60.about.15-61.
Kojima Akio
Saitou Mitsuhiro
Yamamoto Kiyoshi
Denso Corporation
Gaffin Jeffrey
Huynh Kim
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