US PATENT SUBCLASS 369 / 133
.~.~.~.~ With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter)

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}
127  DF  .~ Mechanical modification or sensing of storage medium {6}
128  DF  .~.~ With electrical information signal processing {5}
132  DF  .~.~.~ Recording {1}
133.~.~.~.~ With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter)

DEFINITION

Classification: 369/133

With transformation or intentional distortion of information signal (e.g., compensation for velocity variation with diameter):

(under subclass 132) Subject matter wherein the processing includes some intended change in a characteristic of the information signal.

(1) Note. The magnitude control of high frequencies in the information signal (e.g., Dolby) is classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88, for similar subject matter for stereophonic systems.