US PATENT SUBCLASS 370 / 407
.~.~.~ Interconnected star couplers

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

351  DF  PATHFINDING OR ROUTING {5}
389  DF  .~ Switching a message which includes an address header {11}
400  DF  .~.~ Having a plurality of nodes performing distributed switching {6}
407.~.~.~ Interconnected star couplers

DEFINITION

Classification: 370/407

Interconnected star couplers:

(under subclass 400) Subject matter having interconnection

between plural couplers that distributes signal from one or more transmission line input among a larger number of output lines.