US PATENT SUBCLASS 379 / 268
.~.~ Having shared or common switching control

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

242  DF  CENTRALIZED SWITCHING SYSTEM {15}
258  DF  .~ Switching controlled in response to called station addressing signal {9}
268.~.~ Having shared or common switching control {8}
269  DF  .~.~.~> Distributed control
270  DF  .~.~.~> In-stage or interstage scanning (e.g., link scanning)
271  DF  .~.~.~> Having multistage switching {2}
279  DF  .~.~.~> Control reliability (e.g., redundancy)
280  DF  .~.~.~> Including registering or storing device for call address signal {7}
289  DF  .~.~.~> Translator
290  DF  .~.~.~> With time division of control or supervisory signals
291  DF  .~.~.~> With detail of crosspoint switching structure (e.g., crossbar) {1}

DEFINITION

Classification: 379/268

Having shared or common switching control:

(under subclass 258) Subject matter having a device which stores the call address signal and equipment for controlling switching in response to the stored signal.

(1) Note. This and indented subclasses include equipment for code conversion of the call address signal.