US PATENT SUBCLASS 370 / 521
.~.~ Time compression or expansion

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

464  DF  COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9}
498  DF  .~ Combining or distributing information via time channels {17}
521.~.~ Time compression or expansion

DEFINITION

Classification: 370/521

Time compression or expansion:

(under subclass 498) Subject matter where (a) information is read out at a faster rate than it is stored, resulting in a time compression, or conversely (b) where it is stored at a faster rate than it is read out, resulting in a time expansion.

SEE OR SEARCH CLASS

381, Electrical Audio Signal Processing Systems and Devices,

34+, for the time compression or expansion of an electrical audio signal.