US PATENT SUBCLASS 386 / 27
.~.~ Compressing when recording or decompressing when reproducing

Current as of: June, 1999
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386 /   HD   TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING

1  DF  PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING {25}
26  DF  .~ Frequency modulation for recording on the same track {3}
27.~.~ Compressing when recording or decompressing when reproducing

DEFINITION

Classification: 386/27

Compressing when recording or decompressing when reproducing:

(under subclass 26) Subject matter wherein a parameter (bandwidth, data, time etc.) of at least one of the components of the color television signal is reduced at the time of writing-in, or increased at the time of reading-out while preserving its information content.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for compressing or decompressing in a generic color television signal processing apparatus for recording or reproducing.

109+, for compressing or decompressing of black and white television signal.

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion, appropriate subclasses for code converters which may include bandwidth reduction.

348, Television,

384+, for bandwidth reduction in a television system. 370, Multiplex Communications,

7, for multiplex systems with amplitude compression of incoming signal and corresponding expansion, subclass 109 for time compression or expansion in time division multiplexing, and subclass 118 for bandwidth conservation techniques.

381, Electrical Audio Signal Processing Systems and Devices,

29, 35 for bandwidth or time compression or expansion.

382, Image Analysis,

232+, for image compression or coding.