US PATENT SUBCLASS 370 / 507
.~.~.~ Mutual (reciprocal) synchronization

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

464  DF  COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9}
498  DF  .~ Combining or distributing information via time channels {17}
503  DF  .~.~ Synchronizing {6}
507.~.~.~ Mutual (reciprocal) synchronization {1}
508  DF  .~.~.~.~> Transmission time into time slots adjusted based upon propagation delay time

DEFINITION

Classification: 370/507

Mutual (reciprocal) synchronization:

(under subclass 503) Subject matter wherein the clock frequency adjustment of one station is based upon information about the status of clock signals originating at other stations of the system.