US PATENT SUBCLASS 340 / 853.2
.~ Diagnostic monitoring or detecting operation of communications equipment or signal


Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

853.1  DF  WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) {14}
853.2.~ Diagnostic monitoring or detecting operation of communications equipment or signal


DEFINITION

Classification: 340/853.2

Diagnostic monitoring or detecting operation of communications equipment or signal:

(under subclass 853.1) Subject matter including a determination of the operation or other condition of the communication equipment or signal.

(1) Note. The term "communication equipment" is intended to exclude determination of ambient or diverse equipment condition monitoring, which are classified in the subclasses below, or in the appropriate diverse subject matter class.

SEE OR SEARCH THIS CLASS, SUBCLASS:

870.04, for calibration of a telemetry system not used in a wellbore.

SEE OR SEARCH CLASS

73, Measuring and Testing,

168, for a measurement or test of a pump or hydraulic equipment and subclasses 152.61+ for the testing of a pump in a borehole wherein the test is neither purely electrical nor purely magnetic.

714, Error Detection/Correction and Fault Detection/Recovery, 712+, for diagnostic testing of a transmission facility of general utility.