US PATENT SUBCLASS 341 / 76
.~ To or from differential codes

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

Internet Version by PATENTEC © 1999      Terms of Use


341 /   HD   CODED DATA GENERATION OR CONVERSION

50  DF  DIGITAL CODE TO DIGITAL CODE CONVERTERS {38}
76.~ To or from differential codes {1}
77  DF  .~.~> To or from delta modulation codes

DEFINITION

Classification: 341/76

To or from differential codes:

(under subclass 50) Subject matter for converting digital signals to or from other digital signals wherein each signal is determined as the result of a difference or comparison between the current value of the signal and prior values of the signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

143, for analog to or from digital differential encoding.

SEE OR SEARCH CLASS

375, Pulse or Digital Communications,

244+, for communication systems using differential codes.

704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression, 500+, for differential encoding of audio signals.