US PATENT SUBCLASS 370 / 509
.~.~.~ Using synchronization information contained in a frame

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}
509.~.~.~ Using synchronization information contained in a frame {3}
510  DF  .~.~.~.~> Synchronization information is distributed over multiple frames {1}
512  DF  .~.~.~.~> Synchronization information is distributed within a frame {1}
514  DF  .~.~.~.~> Unique synchronization word or unique bit sequence {1}

DEFINITION

Classification: 370/509

Using synchronization information contained in a frame:

(under subclass 503) Subject matter in which the synchronization is performed on a cycle of a recurring number of data bits (frame) rather than on the individual channels or bits in the frame.