US PATENT SUBCLASS 369 / 44.26
.~.~ Servo system operation related to disc structure information format

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

43  DF  WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING {1}
44.11  DF  .~ Optical servo system {12}
44.26.~.~ Servo system operation related to disc structure information format

DEFINITION

Classification: 369/44.26

Servo system operation related to disc structure information format:

(under subclass 44.11) Subject matter wherein the operation of the servo system is in cooperation with an information arrangement, format, layout, pattern or track structure on the record medium.

(1) Note. The system can be, for example, a preformatted disc where tracking is turned on during preformatted regions and off during nonrecorded regions absent tracking data, or where servo operation is integral with or affected by a constant linear velocity disc format mode of operation, etc.