US PATENT SUBCLASS 369 / 188
.~.~.~ Disc size sensor at turntable position

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

176  DF  DYNAMIC MECHANISM SUBSYSTEM {8}
178  DF  .~ Access of multiple storage elements (e.g., record changer) {14}
184  DF  .~.~ Tone arm position control by sensing of disc (e.g., disc or hole size) {4}
188.~.~.~ Disc size sensor at turntable position

DEFINITION

Classification: 369/188

Disc size sensor at turntable position:

(under subclass 184) Subject matter in which a portion of the sensor is adjacent the operative location of the disc.

(1) Note. The sensor is usually adjacent the turntable and active in the plane of the disc as it is normally used.