US PATENT SUBCLASS 370 / 359
.~.~ Input or output circuit, per se (i.e., line interface)

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

351  DF  PATHFINDING OR ROUTING {5}
357  DF  .~ Through a circuit switch {4}
359.~.~ Input or output circuit, per se (i.e., line interface)

DEFINITION

Classification: 370/359

Input or output circuit, per se (i.e., line interface):

(under subclass 357) Subject matter having details of a circuit or technique for controlling how information is handled at an entrance or exit of the switch.

SEE OR SEARCH THIS CLASS, SUBCLASS:

419+, for a input or output circuit line interface in a packet switching system.