H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/109
H04N 5/63 (2006.01) H04N 3/185 (2006.01)
Patent
CA 1279925
ABSTRACT A first supply voltage is generated, during a power-up mode of a television receiver power supply, by rectifying a retrace voltage in a flyback transformer of a horizontal output stage of the television receiver. The rectified voltage is coupled through a resistor and a diode to a power supply voltage receiving terminal of an integrated circuit that generates a horizontal rate drive signal. The drive signal provides switching timings to the output stage. A standby supply voltage is coupled, during a standby mode, to the terminal. A shunt regulator regulates the voltage at the terminal during both the power-up and standby modes. A transistor having a collector electrode that is coupled to the run supply voltage and a base electrode that is coupled to the anode of the diode, generates a second run supply voltage that is temperature compensated at an emitter electrode of the transistor.
559787
Lendaro Jeffery Basil
Craig Wilson And Company
Lendaro Jeffery Basil
Rca Licensing Corporation
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