US PATENT SUBCLASS 377 / 30
.~.~ Preventing an inaccurate count as a result of an external condition

Current as of: June, 1999
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377 /   HD   ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS

27  DF  SYSTEMS {21}
28  DF  .~ Identifying or correcting improper counter operation (e.g., error checking, monitoring; preventing or correcting improper counter operation) {2}
30.~.~ Preventing an inaccurate count as a result of an external condition {2}
31  DF  .~.~.~> Automatic preset
32  DF  .~.~.~> Power failure

DEFINITION

Classification: 377/30

Preventing an inaccurate count as a result of an external condition:

(under subclass 28) Subject matter comprising means for preventing an incorrect count as a result of some condition outside of the counter itself.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for preventing or correcting improper counter operation.

29, for testing, monitoring, or calibrating the counter, per se.

SEE OR SEARCH CLASS

365, Static Information Storage and Retrieval,

222, for prevention of loss of stored information by

replenishing or amplifying a decayed signal. 708, Electrical Computers: Arithmetic Processing and Calculating,

530+, for error detection or correction in digital computer computational operations.