US PATENT SUBCLASS 379 / 259
.~.~ Including deflected electron beam switching device or mechanical or optical switching control (e.g., fluidic)

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}
259.~.~ Including deflected electron beam switching device or mechanical or optical switching control (e.g., fluidic)

DEFINITION

Classification: 379/259

Including deflected electron beam switching device or mechanical or optical switching control (e.g., fluidic):

(under subclass 258) Subject matter in which a supervisory or control signal controls the operation of (a) electron beam deflecting equipment, (b) a light modifying element, or (c) a mechanical force or flow modifying element, so as to cause a change in a detected pattern of the deflected to modified quantity, which in turn controls a call connection.

(1) Note. The supervisory or control signal is often a call address signal.

(2) Note. Such control often utilizes optical, fluidic, or mechanical logic.