US PATENT SUBCLASS 370 / 540
.~.~.~ Plural input channels of same rate to a single common rate output channel

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}
537  DF  .~.~ Multiplexing plural input channels to a common output channel {2}
540.~.~.~ Plural input channels of same rate to a single common rate output channel {1}
541  DF  .~.~.~.~> Multiple levels of multiplexing to form a multiplex hierarchy

DEFINITION

Classification: 370/540

Plural input channels of same rate to a single common rate output channel:

(under subclass 537) Subject matter wherein all input channels have same amount of information transmitted per unit time.