US PATENT SUBCLASS 327 / 18
.~ By presence or absence pulse detection

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

1  DF  SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL {11}
18.~ By presence or absence pulse detection {3}
19  DF  .~.~> Arbitration
20  DF  .~.~> Monitoring (e.g., failure detection, etc.)
21  DF  .~.~> With variable frequency source

DEFINITION

Classification: 327/18

By presence or absence pulse detection:

(under subclass 1) Subject matter wherein an output signal is indicative of an unexpected occurrence or lack of occurrence of a pulse in either a clocking signal or a predetermined sequence of pulses.