(under subclass 246) Subject matter wherein the data are processed to reduce the transfer payload volume or to recover the data from a compressed payload.
(1) Note. Compression and decompression of data, per se, is classified elsewhere. See the SEE OR SEARCH CLASS notes below.
(2) Note. Compression/decompression of the data herein occurs in addition to other processing of the data by the computers to facilitate the transferring of the result of the other processing performed.
SEE OR SEARCH CLASS
341, Coded Data Generation or Conversion,
60, for converting digital codes to or from a packed format.
370, Multiplex Communications, 477, for conserving transmission bandwidth and 521 for time compression or expansion.
382, Image Analysis,
232+, for compressing and decompressing image data.
395, Information Processing System Organization,
114, for communication of compressed data in a static presentation system.
704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression,
500+, for compressing or expanding the bandwidth of an audio signal.
707, Data Processing: Databases and File Management, Data Structures, and Document Processing,
101, for manipulating data structures in a database system.
708, Data Processing: Arithmetic Processing and Calculating;
203, for electric digital calculating computers performing specialized functions for compressing or decompressing data.
