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Class Information
Number: 369/44.18
Name: Dynamic information storage or retrieval > With servo positioning of transducer assembly over track combined with information signal processing > Optical servo system > Optical head servo system structure > Optical head element with rotary motion > Rotary head wheel or scanner (e.g., for use with arcuate, transverse or slant tracks, etc.)
Description: Subject matter wherein an optical component rotales through a 360 degree motion to follow a track.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8526285 Apparatus and method for providing longitudinal position marks on an optical tape Sep. 3, 2013
8493823 Variable data transfer rate optical tape drive system and method Jul. 23, 2013
8014239 Optical tape system Sep. 6, 2011
8004938 Optical tape test system Aug. 23, 2011
7855941 Optical disk device Dec. 21, 2010
7292516 Sensor optimized for phase detection in page-based optical data storage Nov. 6, 2007
7209413 Optical scanning device Apr. 24, 2007
7024061 Optical scanning device Apr. 4, 2006
6970401 Fringing field focus motor and mechanism for optical disk drive Nov. 29, 2005
6898028 Optical device and optical reproducing apparatus May. 24, 2005
6597397 Digital still camera with optical tape Jul. 22, 2003
6278682 Optical system for optical disc drive Aug. 21, 2001
6075759 Optical information recording and reproducing apparatus Jun. 13, 2000
5825740 Device for scanning information tracks on a record carrier Oct. 20, 1998
5815328 Lens actuator and optical disk apparatus Sep. 29, 1998
5748600 Rotational optical head for optical recording medium May. 5, 1998
5673245 Rotary optical system for guiding and converging divided light beams to a tape recording medium Sep. 30, 1997
5633851 A scanning device producing a first and a second scanning spot which move in different directions and an apparatus containing that device which uses the first spot for reading and/or recording May. 27, 1997
5631893 Multi-head device for optical disk and recording/reproducing system for multiple users utilizing the same May. 20, 1997
5617391 Optical recording and reproducing system Apr. 1, 1997
5559766 Rotary drum tape recording apparatus with controlling optical recording tracks using stored results of scanning of reference tracks Sep. 24, 1996
5528578 Digital information recording by burning conductive spots with electrical pulses in an insulating layer or a recording medium Jun. 18, 1996
5524105 Helical optical tape read/write system using at least one laser array Jun. 4, 1996
5513163 Optical tape recording/reproducing apparatus Apr. 30, 1996
5465243 Optical recorder and reader of data on light sensitive media Nov. 7, 1995
5440533 Optical head unit having disk-shaped rotor with generally planar and common mounting surface for optical elements Aug. 8, 1995
5422872 Telecentric rotary actuator in an optical recording system Jun. 6, 1995
5396142 Positioning apparatus Mar. 7, 1995
5343458 Method of storing digital video, audio and control information on an an optical storage medium Aug. 30, 1994
5295122 Flying head of a magneto-optical recording apparatus Mar. 15, 1994
5287341 Rotating optical head apparatus Feb. 15, 1994
5272689 Optical head system with transparent contact member Dec. 21, 1993
5239528 Optical head control circuit for optical tape recording/reproducing apparatus Aug. 24, 1993
5224088 High resolution optical scanner Jun. 29, 1993
5216534 Read-write head for an optical tape recorder Jun. 1, 1993
5199020 Optical head using an optical scanner Mar. 30, 1993
5155720 Servo control circuit for image rotator Oct. 13, 1992
5140566 Optical data recording and playback system Aug. 18, 1992
5132944 Half-height magneto-optic disk drive Jul. 21, 1992
5120136 Optical tape recorder having an acousto-optic device for scanning a radiant energy beam onto a media Jun. 9, 1992
4999827 Recording and/or reproducing apparatus for tape type optical recording medium Mar. 12, 1991
4807213 Laser drum for use in recording and reproducing information on optical tapes Feb. 21, 1989
4692913 Method and apparatus for reading a data record carrier Sep. 8, 1987
4669070 Signal format for optical tape record/playback system May. 26, 1987
4633455 Headwheel for a multiple beam optical tape playback system Dec. 30, 1986
4495609 Recording and playback system Jan. 22, 1985
4426696 Optical playback apparatus focusing system for producing a prescribed energy distribution along an axial focal zone Jan. 17, 1984
4416001 Method and apparatus for optically reading digital data inscribed in an arcuate pattern on a data carrier Nov. 15, 1983
4321700 Optical track segment intercept apparatus Mar. 23, 1982
4320488 Recording and playback system Mar. 16, 1982

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