Standby power supply

Details Standby power supply Standby power supply

1974-10-29

1976-05-11

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

315101, 315105, 178DIG11, 328270, H01J 2970

Patent

active

039566692

ABSTRACT:
A television receiver includes a switched-mode power supply driven by the horizontal oscillator and driver section of the television receiver. An on/off switch for the receiver is connected to the switched-mode power supply to vary its output according to the setting of the on/off switch. This output, when the switch is "on", is used to supply full operating potential to the cathode ray tube filaments and operating potential for some of the portions of the television receiver. When the on/off switch is in its "off" position, it operates to cause the power supply to supply reduced or standby potentials to those same portions of the receiver and to the cathode ray tube filaments. At the same time, other portions of the receiver are turned off and on in the normal fashion.

REFERENCES:
patent: 3467882 (1969-09-01), Young
patent: 3496446 (1970-02-01), Griffey
patent: 3514532 (1970-05-01), Ludlam
patent: 3783335 (1974-01-01), Gries

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