US PATENT SUBCLASS 327 / 48
.~.~.~ With counting


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

Internet Version by PATENTEC © 1999      Terms of Use



327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

1  DF  SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL {11}
39  DF  .~ By frequency {3}
47  DF  .~.~ Frequency detection {2}
48.~.~.~ With counting


DEFINITION

Classification: 327/48

With counting:

(under subclass 47) Subject matter wherein the output signal is incremented or decremented at a predetermined interval thereby forming a variable duty cycle according to the changes in the input frequency signal.

(1) Note. A counter is a device capable of changing between

a sequence of distinguishable states upon each receipt of an input signal.

SEE OR SEARCH CLASS

377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, for counters, per se.