US PATENT SUBCLASS 380 / 41
.~ With quantizing and subsequent normalizing of signal (e.g., reentry telephone circuitry)

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

Internet Version by PATENTEC © 1999      Terms of Use


380 /   HD   CRYPTOGRAPHY

9  DF  ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) {18}
41.~ With quantizing and subsequent normalizing of signal (e.g., reentry telephone circuitry)

DEFINITION

Classification: 380/41

With quantizing and subsequent normalizing of signal (e.g., reentry telephone circuitry):

(under subclass 9) Subject matter wherein the message signal amplitude is divided into discrete amplitude ranges which are subsequently weighted and combined.

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion,

200, for quantizing of an analog signal.

375, Pulse or Digital Communications, appropriate subclasses for pulse code modulation equipment.