US PATENT SUBCLASS 315 / 405
.~.~.~.~.~ With transformer connecting amplifier to coil

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}
399  DF  .~.~ Deflection coil circuit {5}
403  DF  .~.~.~ Including an amplifier {1}
404  DF  .~.~.~.~ Tube-type amplifier {2}
405.~.~.~.~.~ With transformer connecting amplifier to coil {1}
406  DF  .~.~.~.~.~.~> With power recovery circuit

DEFINITION

Classification: 315/405

(under subclass 404) Subject matter wherein the electrical circuit includes a transformer and the transformer is connected between the output of the amplifier and the deflection coil.

(1) Note. The transformer may be (1) formed of two windings where one winding is connected to the output of the amplifier

and the other winding, by induction, delivers current to the deflection coil, (2) a multiple tapped winding wherein the output from the amplifier flows through a portion of the tapped winding to induce a voltage in another portion of the tapped winding which is connected to the deflection coil, or (3) have the output current of the amplifier tube passing through a winding or a portion of the winding of the transformer and the current through the winding causes a voltage across the winding which energizes the deflection coil.