US PATENT SUBCLASS 370 / 421
.~.~.~.~ Subscribers connected to input or output circuit by a common bus

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}
419  DF  .~.~ Input or output circuit, per se (i.e., line interface) {1}
420  DF  .~.~.~ For connecting plural subscribers to a network (i.e., network termination) {1}
421.~.~.~.~ Subscribers connected to input or output circuit by a common bus

DEFINITION

Classification: 370/421

Subscribers connected to an input or output circuit by a common bus:

(under subclass 420) Subject matter wherein the terminals to be connected to a transmission line network by an interface are interconnected to the interface by a common transmission line.