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Class Information
Number: 720/660
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Having power driven optical transducer assembly > Sensor detecting position of optical transducer
Description: Subject matter including specifics of a sensing device for determining the specific spatial location of the optical transducer assembly inside the optical recording or reproducing system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7606457 |
Wire-free sensing apparatus for disc system |
Oct. 20, 2009 |
| 7188348 |
Optical disc drive apparatus and method |
Mar. 6, 2007 |
| 7089573 |
Information recording/reading apparatus |
Aug. 8, 2006 |
| 6501720 |
Apparatus for recording and/or reproducing information and/or from optical information record disk |
Dec. 31, 2002 |
| 6501713 |
Apparatus for recording and/or reproducing information and/or from optical information record disk |
Dec. 31, 2002 |
| 6445649 |
Apparatus and method for controlling movement of an optical head |
Sep. 3, 2002 |
| 6278673 |
Apparatus for recording and/or reproducing information and/or from optical information record disk |
Aug. 21, 2001 |
| 6205100 |
Apparatus for recording and/or reproducing information and/or from optical information record disk |
Mar. 20, 2001 |
| 6172949 |
Disk recording or playback device and method of adjusting initial position of pickup thereof |
Jan. 9, 2001 |
| 5798997 |
Import/export element for data storage library |
Aug. 25, 1998 |
| 5495455 |
Magneto-optical disk recording and reading apparatus and method wherein the recording head is controlled in the radial direction of the disk to a desired position |
Feb. 27, 1996 |
| 5479386 |
Lens actuating system for an optical disk drive having a driven mass for cancelling forces |
Dec. 26, 1995 |
| 5289449 |
Circuit for controlling optical pickup position in optical disc apparatus after power is turned off |
Feb. 22, 1994 |
| 5231615 |
Carriage fixing apparatus and disk driver having such carriage fixing apparatus |
Jul. 27, 1993 |
| 5193080 |
Magneto-optical recording medium and apparatus |
Mar. 9, 1993 |
| 4583212 |
Record/playback head positioning device for optical disc apparatus |
Apr. 15, 1986 |
| 4527265 |
Position memory for laser reproduction unit |
Jul. 2, 1985 |
| 4495608 |
Device for rapidly moving an optical pick-up device in an optical reproducing apparatus to a desired position on a record disc |
Jan. 22, 1985 |
| 4437181 |
Automatic record playing apparatus having a tone arm position detecting device |
Mar. 13, 1984 |
| 4266783 |
Control mechanisms for pick-up arms of record players |
May. 12, 1981 |
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