US PATENT SUBCLASS 359 / 177
.~.~.~ Monitoring

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

109  DF  OPTICAL COMMUNICATION {13}
174  DF  .~ Optical repeater system {4}
176  DF  .~.~ Regenerative {1}
177.~.~.~ Monitoring

DEFINITION

Classification: 359/177

Monitoring:

(under subclass 176) Subject matter wherein the regenerative repeater includes apparatus to check the system during operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

110, for diagnostic testing of the optical communication system prior to communication use.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing, for optical testing of individual pieces of an optical communication system, e.g.,

73.1, for optical fiber or waveguide inspection.

714, Error Detection/Correction and Fault Detection/Recovery,

712+, for the electrical testing of the information content of a transmission facility.