US PATENT SUBCLASS 359 / 143
.~.~ Bidirectional (i.e., monitoring or acknowledge)

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

109  DF  OPTICAL COMMUNICATION {13}
142  DF  .~ Remote control {6}
143.~.~ Bidirectional (i.e., monitoring or acknowledge)

DEFINITION

Classification: 359/143

Bidirectional (i.e., monitoring or acknowledge):

(under subclass 142) Subject matter wherein the optical equipment remotely controls the second device, which is unrelated to the optical system, and either (1) receives a response from the second device indicating that the optical control signal was received or (2) monitors the second device.

SEE OR SEARCH CLASS

340, Communications: Electrical,

503, for an electrical ring back acknowledgement condition responsive indicating system and subclass 825.06 for electrical monitoring or control.