US PATENT SUBCLASS 340 / 870.19
.~.~ Pulse

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

870.01  DF  CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) {15}
870.18  DF  .~ Using a particular modulation (e.g., phase, frequency, or amplitude) {1}
870.19.~.~ Pulse {5}
870.2  DF  .~.~.~> Pulse repetition
870.21  DF  .~.~.~> Analog to digital function converter
870.22  DF  .~.~.~> Permutation code
870.23  DF  .~.~.~> Increase pulses plus decrease pulses
870.24  DF  .~.~.~> Pulse duration (e.g., pulse train)

DEFINITION

Classification: 340/870.19

Pulse:

(under subclass 870.18) Subject matter wherein the wave characteristic of a series of modulated pulses is used to convey information.

(1) Note. A pulse is a variation of a voltage or current normally having a constant value; this variation is characterized by a rise and a decay approaching infinitesimal duration.

SEE OR SEARCH CLASS

332, Modulators,

106+, for pulse modulators, per se.

375, Pulse or Digital Communications, appropriate subclasses for generic communications which include modulated pulse signals.