US PATENT SUBCLASS 379 / 353
.~.~ Conversion of signal form

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

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

350  DF  SUPERVISORY OR CONTROL LINE SIGNALLING {5}
352  DF  .~ Substation originated {8}
353.~.~ Conversion of signal form

DEFINITION

Classification: 379/353

Conversion of signal form:

(under subclass 352) Subject matter which converts a signal from variations in one parameter to variations of another.

(1) Note. Examples of such parameters are amplitude,

frequency, or phase of the control signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

339, for a repeater having signal conversion.

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion, appropriate subclasses for code converters.