Power supply utilizing a diode and capacitor voltage multiplier for tracking focusing and ultor voltages

Claim 2

In a television receiver electron beam deflection system, a power supply comprising: a horizontal deflection transformer having a high voltage deflection winding, voltage-multiplying means coupled to said high voltage winding comprising a plurality of series-connected circuit branches, each branch having at least one unidirectionally conductive device, and a plurality of charge storage devices, each said charge storage device being coupled across the series combination of at least two of said unidirectionally conductive devices for producing a direct electron beam accelerating voltage; and lower voltage output means coupled to at least a first one of said circuit branches, said first circuit branch having a higher series impedance than others of said series-connected branches, said output means being responsive, in conjunction with said associated first circuit branch, to the magnitude of electron beam current for producing a voltage which tracks said beam accelerating voltage.

Claim 3

A circuit as defined in claim 1 wherein said voltage multiplying means comprise at least: first, second, third and fourth unidirectional conductive devices serially coupled from a high voltage terminal on said horizontal output transformer to an output terminal, said unidirectional conductive devices being poled to conduct in the same direction; a first charge storage device coupled from said high voltage terminal to a junction of said second and third unidirectional conductive devices and a third charge storage device coupled from said junction of said second and third unidirectional conductive devices to a junction of said fourth and fifth unidirectional conductive devices, said first and third charge storage devices being coupled in series relation; a resistance coupled in series relation between said high voltage terminal and said second unidirectionally conductive device; and a second charge storage device coupled from a junction of said second unidirectional conductive device and the series combination of said first unidirectional conductive device and resistance to a junction of said third and fourth unidirectional conductive devices, a fourth charge storage device coupled from said junction of said third and fourth unidirectional conductive devices to said fifth unidirectional conductive device remote from said third storage device, and a final charge storage device coupled from said junction of said fifth unidirectional conductive device and said fourth storage device to said output terminal.

Claim 4

A circuit as defined in claim 1 wherein: said lower voltage output means comprises an output charge storage device having one terminal returned to a reference potential; and said first circuit branch comprises resistive means for coupling said first unidirectional conductive device from said high voltage terminal on said horizontal output transformer to said output charge storage device.

Claim 5

A circuit as defined in claim 3 wherein said lower voltage output means further comprises: a voltage-dividing network coupled in parallel relationship to said output charge storage device, said network including means for varying the voltage supplied therefrom.

Claim 6

A circuit as defined in claim 1 wherein said lower output voltage means comprises a focus voltage supply in a television receiver.

Claim 7

In a television receiver electron beam deflection circuit, a power supply comprising: a horizontal deflection output transformer; a high voltage winding on said horizontal output transformer; means for producing an electron-beam-accelerating voltage, said means including first, second, third, fourth, fifth, sixth and seventh unidirectional conductive devices serially coupled from a high voltage terminal on said high voltage winding of said horizontal output transformer to an output terminal, said unidirectional conductive devices being poled to conduct in the same direction; said means for producing electron-beam-accelerating voltage further including a first charge storage device coupled from said high voltage terminal to a junction of said second and third unidirectional conductive devices, a third charge storage device coupled from said junction of said second and third unidirectional conductive devices, to a junction of said fourth and fifth unidirectional conductive devices, a fifth charge storage device coupled from said junction of said fourth and fifth unidirectional conductive devices to the junction of said sixth and seventh unidirectional conductive devices, said first, third and fifth charge storage devices being coupled in series relation; a second charge storage device coupled from a junction of said second unidirectional conductive device and a series combination of a resistance and said first unidirectional conductive device to a junction of said third and fourth unidirectional conductive devices, a fourth charge storage device coupled from said junction of said third and fourth unidirectional conductive devices to the junction of said fifth and sixth unidirectional conductive devices and a final charge storage device coupled from said junction of said fifth and sixth unidirectional conductive devices to said output terminal; and means for producing a lower output voltage responsive to the magnitude of electron beam current to track said beam accelerating voltage at a predetermined relationship, said means including an output charge storage device coupled to the series combination of said resistance and said first unidirectional conductive device; said output charge storage device further being coupled, remote from said series combination, to a reference potential; and said means for producing a lower output voltage further including a voltage dividing network coupled in parallel relationship to said output charge storage device, said network including means for varying the voltage extracted therefrom.

Claim 8

In a television receiver electron beam deflection circuit, a power supply comprising: a horizontal deflection output transformer; a high voltage winding on said horizontal output transformer; means for producing an electron-beam-accelerating voltage, said means including first, second, third, fourth, fifth, sixth and seventh unidirectional conductive devices serially coupled from a high voltage terminal on said high voltage winding of said horizontal output transformer to an output terminal, said unidirectional conductive devices being poled to conduct in the same direction; said means for producing electron-beam-accelerating voltage further including a first charge storage device coupled from said high voltage terminal to a junction of said second and third unidirectional conductive devices, a third charge storage device coupled from said junction of said second and third unidirectional conductive devices, to a junction of said fourth and fifth unidirectional conductive devices, a fifth charge storage device coupled from said junction of said fourth and fifth unidirectional conductive devices to the junction of said sixth and seventh unidirectional conductive devices, said first, third and fifth charge storage devices being coupled in series relation; a second charge storage device coupled from a junction of said second unidirectional conductive device and a series combination of a resistance and said first unidirectional conductive device to a junction of said third and fourth unidirectional conductive devices, a fourth charge storage device coupled from said junction of said third and fourth unidirectional conductive devices to the junction of said fifth and sixth unidirectional conductive devices and a final charge storage device coupled from said junction of said fifth and sixth unidirectional conductive devices to said output terminal; and means for producing a lower output voltage responsive to the magnitude of electron beam current to track said beam accelerating voltage at a predetermined relationship, said means including an output charge storage device coupled to the series combination of said resistance and said first unidirectional conductive device; said output charge storage device further being coupled, remote from said series combination, to a reference potential; and said means for producing a lower output voltage further including a voltage dividing network coupled in parallel relationship to said output charge storage device, said network including means for varying the voltage extracted therefrom.

Claim 9

A circuit as defined in claim 6 and further comprising: resistive means coupled from a junction of said seventh unidirectional conductive device and said sixth charge storage device to an ultor output terminal for limiting current supplied at said ultor output terminal.

Claim 10

A circuit as defined in claim 6 wherein said lower output voltage means comprises a focus voltage in a television receiver.