US PATENT SUBCLASS 348 / 437
.~.~ Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band)

Current as of: June, 1999
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348 /   HD   TELEVISION

384  DF  BANDWIDTH REDUCTION SYSTEM {7}
426  DF  .~ Format type (e.g., HDTV or EDTV) {3}
437.~.~ Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band)

DEFINITION

Classification: 348/437

Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band):

(under subclass 426) Subject matter having at least two frequency bands, such as a low frequency and a high frequency which are treated differently.