Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-01-23
2007-01-23
Zweizig, Jeffrey (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
Reexamination Certificate
active
10995502
ABSTRACT:
A voltage booster device includes a booster circuit for boosting a power source voltage such as a battery voltage, a voltage-suppressing circuit for suppressing operation of the booster circuit when the boosted voltage reaches a predetermined voltage such as a Zener voltage of a Zener diode included in the voltage-suppressing circuit, and a control circuit having a microcomputer for supplying a voltage-boosting signal when the power source voltage is lower than a predetermined minimum voltage. When the power source voltage is lower than the minimum voltage, the power source voltage is boosted. When the boosted voltage reaches the predetermined voltage such as the Zener voltage, the level of the boosted voltage is kept constant at the level of the predetermined voltage.
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Takagi Nobutomo
Tanaka Yasuhiro
Terasaki Mitsuru
Yamanaka Takayuki
Denso Corporation
Posz Law Group , PLC
Zweizig Jeffrey
LandOfFree
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