US PATENT SUBCLASS 369 / 44.31
.~.~.~.~ Recording

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}
44.27  DF  .~.~ Initialization/start-up or changing modes of system {2}
44.29  DF  .~.~.~ Servo loop gain/switching control {1}
44.31.~.~.~.~ Recording

DEFINITION

Classification: 369/44.31

Recording:

Subject matter under subclasses 44.29 wherein an optical system is capable of a writing/recording operation.

(1) Note. An example is recording of a first track on a disc which is then used for tracking control for further tracks being recorded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44.33, for recording systems with a defect/abnormal condition.

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

44.39, for generic recording systems without recitation of plural beams.