US PATENT SUBCLASS 370 / 209
.~.~ Walsh functions

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370 /   HD   MULTIPLEX COMMUNICATIONS

203  DF  GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES {5}
208  DF  .~ Particular set of orthogonal functions {1}
209.~.~ Walsh functions

DEFINITION

Classification: 370/209

Walsh functions:

(under subclass 208) Subject matter wherein the set of orthogonal functions consist of Walsh functions.

SEE OR SEARCH CLASS

708, Electrical Computers: Arithmetic Processing and Calculating,

410, for a Walsh transformation using an electric digital calculating computer in a nonmultiplex communication.