US PATENT SUBCLASS 375 / 316
RECEIVERS

Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

316RECEIVERS {9}
317  DF  .~> Automatic baseline or threshold adjustment {2}
320  DF  .~> Amplitude modulation {1}
322  DF  .~> Angle modulation {4}
338  DF  .~> Interrupted carrier wave {1}
340  DF  .~> Particular pulse demodulator or detector {3}
344  DF  .~> Automatic frequency control
345  DF  .~> Automatic gain control
346  DF  .~> Interference or noise reduction {5}
352  DF  .~> With electromagnetic relay or solenoid

DEFINITION

Classification: 375/316

RECEIVERS:

(under the class definition) Subject matter including apparatus to decode, demodulate, or otherwise recover the transmitted intelligence.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, for pulse width receivers.

239, for pulse position, frequency, or number receivers.

242+, for pulse code modulation and delta receivers.

256, for radiated baseband receivers.

257, for cable receivers.

286+, for multilevel receivers. 353, for pulse amplitude receivers.

SEE OR SEARCH CLASS

178, Telegraphy,

63, and 118 for telegraphy receivers.

307, Electrical Transmission or Interconnection Systems,

200.1+, for miscellaneous pulse circuits.

329, Demodulators,

311+, for pulse demodulators, subclasses 300+ for a frequency shift keying demodulator, per se, and subclasses 304+ for a phase shift keying demodulator, per se.

332, Modulators,

106+, for a pulse modulator, per se.

341, Coded Data Generation or Conversion, 126+, for digital to analog converters.

342, Communications, Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) appropriate subclasses for radar receivers in which ranging or position determining is claimed.

370, Multiplex Communications, for receivers used for multiplex systems.

455, Telecommunications,

130+, for nonpulse radio receivers.