US PATENT SUBCLASS 370 / 372
.~.~.~.~ Having time switch as intermediate stage (e.g., S-T-S or T-T-S)

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}
360  DF  .~.~ Switching control {8}
369  DF  .~.~.~ Having time and space switches {4}
372.~.~.~.~ Having time switch as intermediate stage (e.g., S-T-S or T-T-S)

DEFINITION

Classification: 370/372

Having time switch as intermediate stage (e.g., S-T-S or T-T-S):

(under subclass 369) Subject matter having at least a time switch which is not the first or last stages of a circuit switching network.