Power supply system for television receiver

Claim 2

In a television receiver including a cathode ray tube adapted to produce at least one electron beam therein and having vertical deflection windings disposed adjacent thereto for effecting the deflection of said electron beam in a vertical sense, the combination comprising: push-pull amplifier means directly coupled to the vertical deflection windings for supplying bi-directional current to said windings; sawtooth generator means for applying a periodic ramp-like voltage to said push-pull amplifier means; transformer means having a primary winding formed thereon; means for applying horizontal scansion signals to said primary windings; first winding means formed on said transformer means and being poled to respond to said scansion signals of a first polarity with respect to a reference potential; first rectifier means coupled to said first winding means to transmit a DC supply voltage of said first polarity to said push-pull amplifier means; second winding means formed on said transformer means and being poled to respond to said scansion signals of a second polarity with respect to a reference potential; second rectifier means coupled to said second winding means to transmit a DC supply voltage of said second polarity to said push-pull amplifier means; said first and second rectifiers and said first and second winding means thereby providing a low voltage, high current, bi-polar supply for said push-pull amplifier means.

Claim 3

In a television receiver including a cathode ray tube adapted to produce an least one electron beam therein and further including a deflection yoke disposed adjacent the cathode ray tube having horizontal deflection windings for effecting the deflection of said electron beam in a horizontal sense and vertical deflection windings for effecting the deflection of said electron beam in a vertical sense, the combination comprising: means for producing horizontal scansion signals; horizontal transformer means comprising primary winding means adapted to receive the horizontal scansion signals, and secondary winding means for supplying deflection current to the horizontal deflection windings; second secondary winding means formeD on said horizontal transformer means having a first and a second end, said second secondary winding means being adapted to produce a positive voltage at the first end thereof upon the application of horizontal scansion signals to said primary winding means; third secondary winding means formed on said horizontal transformer means having a first and a second end, said third secondary winding means being adapted to produce a negative voltage at the first end thereof upon the application of horizontal scansion signals to said primary winding means; push-pull amplifier means connected directly to the vertical deflection windings for effecting a bidirectional current flow through said vertical deflection windings. first rectifier means coupling said first end of said second secondary winding means and said push-pull amplifier means; second rectifier means coupling said first end of said third secondary winding means and said push-pull amplifier means; fourth secondary winding means formed on said horizontal transformer means having a first and a second end, said fourth secondary winding means being adapted to produce a positive voltage at the first end thereof; third rectifier means coupled to said first end of said fourth secondary winding means; sawtooth generator means for applying a periodic ramp-like voltage to said push-pull amplifier means; means coupling said third rectifier means to said sawtooth generator means; whereby variations in the horizontal scansion signals applied to said primary winding means effect corresponding changes in the voltage derived at the first end of said fourth secondary winding means.

Claim 4

In a television receiver including a cathode ray tube adapted to produce an least one electron beam therein and further including a deflection yoke disposed adjacent the cathode ray tube having horizontal deflection windings for effecting the deflection of said electron beam in a horizontal sense and vertical deflection windings for effecting the deflection of said electron beam in a vertical sense, the combination comprising: means for producing horizontal scansion signals; horizontal transformer means comprising primary winding means adapted to receive the horizontal scansion signals, and secondary winding means for supplying deflection current to the horizontal deflection windings; second secondary winding means formeD on said horizontal transformer means having a first and a second end, said second secondary winding means being adapted to produce a positive voltage at the first end thereof upon the application of horizontal scansion signals to said primary winding means; third secondary winding means formed on said horizontal transformer means having a first and a second end, said third secondary winding means being adapted to produce a negative voltage at the first end thereof upon the application of horizontal scansion signals to said primary winding means; push-pull amplifier means connected directly to the vertical deflection windings for effecting a bidirectional current flow through said vertical deflection windings. first rectifier means coupling said first end of said second secondary winding means and said push-pull amplifier means; second rectifier means coupling said first end of said third secondary winding means and said push-pull amplifier means; fourth secondary winding means formed on said horizontal transformer means having a first and a second end, said fourth secondary winding means being adapted to produce a positive voltage at the first end thereof; third rectifier means coupled to said first end of said fourth secondary winding means; sawtooth generator means for applying a periodic ramp-like voltage to said push-pull amplifier means; means coupling said third rectifier means to said sawtooth generator means; whereby variations in the horizontal scansion signals applied to said primary winding means effect corresponding changes in the voltage derived at the first end of said fourth secondary winding means.

Claim 5

The invention defined in claim 2, wherein said first, second and third rectifier means have reservoir capacitors associated therewith for mitigating excursions in the voltages produced thereby.

Claim 6

The invention defined in claim 3, further including voltage regulating means for receiving the voltage produced by said fourth secondary winding means and outputting a regulated voltage derived therefrom.

Claim 7

The invention defined in claim 4, wherein said means for producing horizontal scansion signals comprises a horizontal output stage and a horizontal oscillator coupled thereto, and wherein said voltage regulating means is adapted to produce a voltage for energizing said horizontal oscillator in the absence of a voltage across said fourth secondary winding means.