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Class Information
Number: 720/715
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Optical storage medium support (i.e., turntable or spindle motor) > Optical storage disc holding structure > Optical storage disc contact structure on turntable surface
Description: Subject matter including specifics of the turntable surface which contacts and supports the optical storage medium.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7512958 |
Holder for disk drives |
Mar. 31, 2009 |
| 7434241 |
Recording and reproducing apparatus of thin optical disc |
Oct. 7, 2008 |
| 7288154 |
Apparatus for optical disc spin-coating and method of coating optical disc |
Oct. 30, 2007 |
| 7219360 |
Disc chucking mechanism and disc drive apparatus having the same |
May. 15, 2007 |
| 6952834 |
Disc chucking device and disk recording and/or reproducing apparatus |
Oct. 4, 2005 |
| 6871352 |
Disk apparatus |
Mar. 22, 2005 |
| 6868549 |
Disk clamp apparatus |
Mar. 15, 2005 |
| 6236536 |
System and method of servo compensation for friction induced off track problem in a data storage device |
May. 22, 2001 |
| 5889757 |
Laminated optical disc and turntable for the laminated optical disc |
Mar. 30, 1999 |
| 5798886 |
Magnetic disk chucking mechanism having a notched arm for clamping a roller |
Aug. 25, 1998 |
| 5610782 |
Floppy disk drive device |
Mar. 11, 1997 |
| 5416762 |
Improved disc cartridge and recording and/or reproducing apparatus having means for positioning a turntable and disc cartridge support structure and means for reducing vibrations |
May. 16, 1995 |
| 5150353 |
Apparatus for scanning a disc, and suction device for holding a disc flat during scanning |
Sep. 22, 1992 |
| 5103358 |
Disk drive unit having a turntable with a projection to assure proper disk mounting |
Apr. 7, 1992 |
| 4841516 |
Turntable for mounting recording medium in disk form |
Jun. 20, 1989 |
| 4807069 |
Apparatus using disc-shaped record bearing medium |
Feb. 21, 1989 |
| 4800453 |
Recording and/or reproducing apparatus adapted for utilization of record bearing media of a disc type |
Jan. 24, 1989 |
| 4783717 |
Apparatus for rotating a disk |
Nov. 8, 1988 |
| 4772971 |
Magnetic disc mounting device in a recording and read-out apparatus |
Sep. 20, 1988 |
| 4754448 |
Disk player having a clamper aligned with a turntable |
Jun. 28, 1988 |
| 4680655 |
Disk supporting device |
Jul. 14, 1987 |
| 4672486 |
Apparatus for rotating a magnetic disc |
Jun. 9, 1987 |
| 4599663 |
Recording apparatus with stable disc support and high magnetic flux hold-down |
Jul. 8, 1986 |
| 4553232 |
Clamping device for optical disk assemblies |
Nov. 12, 1985 |
| 4535438 |
Turntable platter for record players |
Aug. 13, 1985 |
| 4524109 |
Record turntable and polymeric coating thereon |
Jun. 18, 1985 |
| 4507774 |
Optical disc and disc-turntable air flow interface assembly |
Mar. 26, 1985 |
| 4497003 |
Disc positioning device |
Jan. 29, 1985 |
| 4470054 |
Optical disc write/read apparatus with disc mounting means |
Sep. 4, 1984 |
| 4464670 |
Optical disk mounting means for write/read apparatus |
Aug. 7, 1984 |
| 4432086 |
Turntable apparatus for video disc player |
Feb. 14, 1984 |
| 4358843 |
Spindle for centering a data disk |
Nov. 9, 1982 |
| 4282599 |
Phonographic record spindle adaptor |
Aug. 4, 1981 |
| 4218065 |
Arrangement for centering, aligning and retaining a rotating record |
Aug. 19, 1980 |
| 4068851 |
Audio/video disc playback apparatus with means for correctly positioning the disc relative to a reference level |
Jan. 17, 1978 |
| 4002826 |
Playback apparatus, in particular, video player, for playing round records provided with information tracks |
Jan. 11, 1977 |
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