Start-up control circuitry for a television apparatus

Details Start-up control circuitry for a television apparatus Start-up control circuitry for a television apparatus

1987-04-24

1988-03-29

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

315411, 358243, 363 56, H04N 563

Patent

active

047347716

ABSTRACT:
A supply voltage is developed in accordance with an on/off control signal of a remote receiver during a start-up interval and during a power-up mode of operation of a television power supply. During a standby mode of operation, the supply voltage is switched off. The supply voltage produces a supply current in an oscillator that produces a signal at a horizontal rate related frequency. The supply voltage also produces a base drive current in a switching transistor of a horizontal driver only during the start-up interval. During a power-up mode, a run supply voltage is coupled to the oscillator and to the driver.

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A data sheet for linear integrated circuits CA3210E and CA3223E of the RCA Corporation published May 1982, entitled, TV Horizontal/Vertical Countdown Digital Sync System.
Two technical publications dated 1986 that were published by RCA Corporation, Consumer Electronics, Indianapolis, Indiana, that are related to RCA television chassis CTC 120.

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