US PATENT SUBCLASS 369 / 44.32
.~.~ Means to compensate for defect or abnormal condition

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}
44.32.~.~ Means to compensate for defect or abnormal condition {1}
44.33  DF  .~.~.~> Recording (e.g., inhibit recording upon defect, etc.)

DEFINITION

Classification: 369/44.32

Means to compensate for defect or abnormal condition:

(under subclass 44.11) Subject matter wherein the servo system structure or operation has means to avoid the servo system being affected by, or so that it is responsive to and corrects for an adverse situation.

(1) Note. Examples of conditions being corrected are disc defects, tilt, vibrations, shocks, impacts, skew to normal direction to the disc surface, vertical warp, jitter, eccentricity, beam variations or some condition outside of the ordinary servo operation condition, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44.11, for generic recording systems.

44.27, for recording systems with initialization/start-up/changing modes concepts.

44.38, for a recording system claimed in a plural beam system.