US PATENT SUBCLASS 369 / 181
.~.~ Stack height adjustment for tone arm or turntable


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}
181.~.~ Stack height adjustment for tone arm or turntable


DEFINITION

Classification: 369/181

Stack height adjustment for tone arm or turntable:

(under subclass 178) Subject matter for storage discs and having a tone arm and a turntable having a spindle, and having structure to modify the position of the tone arm or the turntable along the spindle axis to compensate for changes in the height of stacks or discs on the turntable.

(1) Note. The stack height need not be sensed directly, but may be inferred by the number of disc changes.