US PATENT SUBCLASS 315 / 396
.~.~.~ Push-pull deflection circuit

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
364  DF  .~ Cathode-ray deflections circuits {16}
395  DF  .~.~ Plural potentials or currents applied to deflection member {2}
396.~.~.~ Push-pull deflection circuit {1}
397  DF  .~.~.~.~> Coil-type circuit

DEFINITION

Classification: 315/396

(under subclass 395) Subject matter wherein the deflection means includes two deflection elements and the electrical circuit includes means connected to each of the deflection elements to simultaneously deliver voltage or current to each of the deflection elements so that the voltage or current delivered to each deflection element is one hundred an eighty degrees out of phase with respect to each other.

(1) Note. Each deflection element may have its own amplifier or one amplifier may deliver the voltage or current to both of the deflection elements.

(2) Note. Plural voltages or currents may be applied to center the cathode-ray beam in addition to the push-pull deflection voltages.

(3) Note. Solid state and tube amplifiers are both grouped together in this section.

SEE OR SEARCH CLASS

330, Amplifiers, 55, for amplifiers with distributed parameter type coupling having a push-pull circuit arrangement, and subclass 81 for push- pull circuits utilizing a feedback type amplifier, subclasses 118+ for amplifiers which include a push-pull stage.

331, Oscillators,

114, for solid state active element oscillators which function in a push-pull mode.