US PATENT SUBCLASS 375 / 240
BANDWIDTH REDUCTION OR EXPANSION

Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

240BANDWIDTH REDUCTION OR EXPANSION {1}
241  DF  .~> Pulse code modulation

DEFINITION

Classification: 375/240

BANDWIDTH REDUCTION OR EXPANSION:

(under the class definition) Subject matter where the width of the frequency spectrum of a pulse or digital signal is either reduced or expanded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for spread spectrum communications.

SEE OR SEARCH CLASS

704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression,

500+, for bandwidth reduction or expansion of audio signals.