US PATENT SUBCLASS 369 / 215
.~ Having power driven transducer assembly


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

176  DF  DYNAMIC MECHANISM SUBSYSTEM {8}
215.~ Having power driven transducer assembly {6}
216  DF  .~.~> Having tone arm set-down control {1}
218  DF  .~.~> Having groove engaging driving element
219  DF  .~.~> With drive transverse to storage track during storage or retrieval {4}
224  DF  .~.~> With passive linear tracking
225  DF  .~.~> Restoring after passive tracking {2}
230  DF  .~.~> Power cueing (i.e., engage/disengage)


DEFINITION

Classification: 369/215

Having power driven transducer assembly:

(under subclass 176) Subject matter having a source of power which applies a force to drive the transducer assembly along a desired path.

(1) Note. The driving force is often applied to the tone arm.

(2) Note. The incidental driving force resulting from stylus engagement with an information carrying groove is not classified herein.