Television – Camera – system and detail – Power supply
Reexamination Certificate
2003-12-17
2009-11-10
Tran, Sinh (Department: 2622)
Television
Camera, system and detail
Power supply
C363S021100
Reexamination Certificate
active
07616257
ABSTRACT:
An apparatus for controlling a power source in a mobile electronic unit using a variety of types of batteries that have different nominal voltages is provided. The apparatus includes a battery unit, a switch unit, which is connected to the battery unit and turns on or off the mobile electronic unit according to user's manipulation, a detection unit, which detects a turn on or off of the switch unit depending on the existence of an input voltage, a first power source unit, which is connected to the battery unit, generates n-channel voltages to then be supplied to elements of the mobile electronic unit, a control unit, which controls the first power source unit and the elements of the mobile electronic unit according to the operation of the detection unit; and a second power source unit to which one channel voltage among the n-channel voltages generated in the first power source unit is applied and which regulates the applied voltage and applies the regulated voltage as an operational voltage of the control unit.
REFERENCES:
patent: 2002/0186974 (2002-12-01), Kitani et al.
patent: 2003/0076438 (2003-04-01), Ishimaru
Daniels Anthony J
Drinker Biddle & Reath LLP
Samsung Digital Imaging Co., Ltd.
Tran Sinh
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