US PATENT SUBCLASS 369 / 44.17
.~.~.~ Optical head element with rotary motion

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}
44.14  DF  .~.~ Optical head servo system structure {4}
44.17.~.~.~ Optical head element with rotary motion {3}
44.18  DF  .~.~.~.~> Rotary head wheel or scanner (e.g., for use with arcuate, transverse or slant tracks, etc.)
44.19  DF  .~.~.~.~> Head element pivots on arm (e.g., optical head disk arm etc..)
44.21  DF  .~.~.~.~> Lens or mirror pivots off center (e.g., on a shaft, etc.)

DEFINITION

Classification: 369/44.17

Optical head element with rotary motion:

(under subclass 44.14) Subject matter wherein an optical head element such as a lens or mirror pivots/rotates about its own axis or about a support axis in order to scan or focus on the track.