1
Wilhelmus Theodorus Hendrikus Hetterscheid, NL, Gerrit Pieter Johannes VAN Schaik: Circuit arrangement in a picture display device utilizing a stabilized supply voltage circuit. US Philips Corporation New York NY, Frank R Trifari, September 5, 1972: US3689797 (10 worldwide citation)

A stabilized supply voltage circuit for a picture display device comprising a chopper wherein the switching signal has the line frequency and is duration-modulated. The coil of the chopper constitutes the primary winding of a transformer a secondary winding of which drives the line output transistor ...


2
Circuit arrangement in a picture display device utilizing a stabilized supply voltage circuit. Philips, January 22, 1971: FR2040217-A7 (1 worldwide citation)

A stabilized supply voltage circuit for a picture display device comprising a chopper wherein the switching signal has the line frequency and is duration-modulated. The coil of the chopper constitutes the primary winding of a transformer a secondary winding of which drives the line output transistor ...



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