US PATENT SUBCLASS 340 / 870.23
.~.~.~ Increase pulses plus decrease pulses

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~ Pulse {5}
870.23.~.~.~ Increase pulses plus decrease pulses

DEFINITION

Classification: 340/870.23

Increase pulses plus decrease pulses:

(under subclass 870.19) Subject matter in which the pulse modulation consists of two types of pulses, one type to signify increase of quantity telemetered and the other type to signify a decrease of quantity telemetered.

(1) Note. The pulses may differ, for example, by being of different polarity or they may be sent over two different channels and be of the same polarity.