US PATENT SUBCLASS 714 / 25
.~ Fault locating (i.e., diagnosis or testing)

Current as of: June, 1999
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714 /   HD   ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY

1  DF  RELIABILITY AND AVAILABILITY {4}
25.~ Fault locating (i.e., diagnosis or testing) {7}
26  DF  .~.~> Artificial intelligence (e.g., diagnostic expert system)
27  DF  .~.~> Particular access structure {3}
32  DF  .~.~> Particular stimulus creation {4}
37  DF  .~.~> Analysis (e.g., of output, state, or design) {2}
40  DF  .~.~> Component dependent technique {4}
45  DF  .~.~> Output recording (e.g., signature or trace)
46  DF  .~.~> Operator interface for diagnosing or testing

DEFINITION

Classification: 714/25

Fault locating (i.e., diagnosis or testing):

(under subclass 1) Subject matter further including means or steps for pinpointing a fault using either a reactive diagnosing or a proactive testing, including testing for developmental stage fault avoidance, for assurance, or for maintenance.

(1) Note. An invention directed to locating a fault in a digital data processing system including more than nominal data processing, or where the fault is specific to a nongeneral use of a digital data processing system, is classified here. fault locating in combination with a specific art device not of the basic subject matter of this class is classified with the art device.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

73.1, for various electrical testing arrangements that may include fault locating.

370, Multiplex Communications,

241+, for diagnostic testing in multiplex communications.

399, Electrophotography, 9+, for diagnostic testing of a photocopier, including computer controlled malfunction warning and recovery.