US PATENT SUBCLASS 370 / 424
.~.~.~.~ Including a ring or loop for interconnecting inputs and outputs

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}
422  DF  .~.~ Centralized switching {3}
423  DF  .~.~.~ Including a bus for interconnecting inputs and outputs {1}
424.~.~.~.~ Including a ring or loop for interconnecting inputs and outputs

DEFINITION

Classification: 370/424

Including a ring or loop for interconnecting inputs and outputs:

(under subclass 423) Subject matter including a closed path for interconnecting input interfaces and output interfaces of a packet type switch.