US PATENT SUBCLASS 348 / 725
RECEIVER CIRCUITRY

Current as of: June, 1999
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348 /   HD   TELEVISION

725RECEIVER CIRCUITRY {10}
726  DF  .~> Demodulator {1}
728  DF  .~> Color television
729  DF  .~> Television receiver adapted to receive radio broadcast or in combination with radio receiver
730  DF  .~> Power supply
731  DF  .~> Tuning {2}
734  DF  .~> Remote control
735  DF  .~> Automatic frequency control
736  DF  .~> Sound traps
737  DF  .~> Intercarrier circuits
738  DF  .~> Sound circuit

DEFINITION

Classification: 348/725

RECEIVER CIRCUITRY:

(under the class definition) Subject matter including specific circuitry specially designed for dealing with television signals.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

1+, for cathode-ray tube circuits.

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses for miscellaneous nonlinear active device circuits.

331, Oscillators, appropriate subclasses for oscillator systems, in general, usable in a television receiver.

455, Telecommunications, 130+, for modulated carrier wave receiver circuits.