US PATENT SUBCLASS 379 / 362
.~.~ Pulse signal generator (e.g., rotary dial)

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

350  DF  SUPERVISORY OR CONTROL LINE SIGNALLING {5}
352  DF  .~ Substation originated {8}
362.~.~ Pulse signal generator (e.g., rotary dial) {5}
363  DF  .~.~.~> Control of motor driven dial rotating device
364  DF  .~.~.~> With nonrotary actuator (e.g., key or slide type)
365  DF  .~.~.~> Specified switching contact (e.g., contact spring)
366  DF  .~.~.~> With detail of dial return mechanism (e.g., driving spring, speed governor)
367  DF  .~.~.~> Finger wheel or mechanical adjunct (e.g., finger stop)

DEFINITION

Classification: 379/362

Pulse signal generator (e.g., rotary dial):

(under subclass 352) Subject matter wherein the selective control signal is composed of abrupt variations imposed upon a signal.

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion,

30, and 184+ for a numerical pulse code transmitter.

375, Pulse or Digital Communications, appropriate subclasses for digital pulse communications.