US PATENT SUBCLASS 375 / 362
.~ Frequency or phase control using synchronizing signal

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

354  DF  SYNCHRONIZERS {7}
362.~ Frequency or phase control using synchronizing signal {4}
363  DF  .~.~> Synchronization bit insertion into artificially created gaps
364  DF  .~.~> Synchronization signals with unique amplitude, polarity, length, or frequency
365  DF  .~.~> Synchronization word {3}
369  DF  .~.~> Start - stop {1}

DEFINITION

Classification: 375/362

Frequency or phase control using synchronizing signal:

(under subclass 354) Subject matter which uses the transmission and ultimate reception and separation of a special synchronizing signal interleaved with the incoming information signal.

SEE OR SEARCH CLASS

370, Multiplex Communications,

491, and 500 for pilot insertion in a multiplex communications using frequency or time channels.