US PATENT SUBCLASS 315 / 407
.~.~.~.~.~ With diode or amplifier across 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}
407.~.~.~.~.~ With diode or amplifier across coil

DEFINITION

Classification: 315/407

(under subclass 404) Subject matter wherein the electrical circuit includes a diode or another amplifier device connected in circuit across the deflection coil.

(1) Note. The diode or another amplifier may receive current at the same time the deflection coil does from the amplifier or the diode or another amplifier may receive current from the coil when the amplifier is not conducting.

(2) Note. Herein are diodes or amplifiers across the deflection coil used to damp the energy of oscillation caused by the shock energization of the coil when the amplifier is cutoff.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406, for deflection coil circuits which include a power recovery circuit in the amplifier-transformer deflection coil circuit and which may include a damper tube connected across the transformer or deflection coils.