US PATENT SUBCLASS 369 / 175
.~.~ Frequency dependent (e.g., separation)

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4}
174  DF  .~ Including signal modification {1}
175.~.~ Frequency dependent (e.g., separation)

DEFINITION

Classification: 369/175

Frequency dependent (e.g., separation):

(under subclass 174) Subject matter wherein the signal parameter is varied as a function of the signal frequency.

(1) Note. Variation of distribution of differing frequency components of the information signal to different ones of a plurality of channels (e.g., crossover networks) are classified herein.

SEE OR SEARCH CLASS

379, Telephonic Communications, appropriate subclasses for similar subject matter not restricted to storage or retrieval.