US PATENT SUBCLASS 369 / 239
.~.~ Speed

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

176  DF  DYNAMIC MECHANISM SUBSYSTEM {8}
233  DF  .~ Mechanism condition or storage medium responsive control {4}
239.~.~ Speed {2}
240  DF  .~.~.~> Variable radius compensation (e.g., constant interaction speed)
241  DF  .~.~.~> Self-responsive (e.g., governor)

DEFINITION

Classification: 369/239

Speed:

(under subclass 233) Subject matter wherein the relative motion used for producing storage or retrieval is controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189+, for similar subject matter in a record changing mechanism.

267, for turntable speed changing, in general.