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Your search returned 33 patents.
( 720/715 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 7219360 | Disc chucking mechanism and disc drive apparatus having the same
| June 9, 2004 |
| 6952834 | Disc chucking device and disk recording and/or reproducing apparatus
| November 29, 2002 |
| 6871352 | Disk apparatus
| April 10, 2002 |
| 6868549 | Disk clamp apparatus
| January 10, 2002 |
| 6236536 | System and method of servo compensation for friction induced off track problem in a data storage device
| September 7, 1999 |
| 5889757 | Laminated optical disc and turntable for the laminated optical disc
| May 27, 1997 |
| 5798886 | Magnetic disk chucking mechanism having a notched arm for clamping a roller
| September 26, 1996 |
| 5610782 | Floppy disk drive device
| November 17, 1995 |
| 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
| April 16, 1992 |
| 5150353 | Apparatus for scanning a disc, and suction device for holding a disc flat during scanning
| September 11, 1991 |
| 5103358 | Disk drive unit having a turntable with a projection to assure proper disk mounting
| November 13, 1989 |
| 4841516 | Turntable for mounting recording medium in disk form
| September 15, 1987 |
| 4807069 | Apparatus using disc-shaped record bearing medium
| August 5, 1987 |
| 4800453 | Recording and/or reproducing apparatus adapted for utilization of record bearing media of a disc type
| June 22, 1987 |
| 4783717 | Apparatus for rotating a disk
| October 30, 1985 |
| 4772971 | Magnetic disc mounting device in a recording and read-out apparatus
| December 15, 1986 |
| 4754448 | Disk player having a clamper aligned with a turntable
| July 23, 1986 |
| 4680655 | Disk supporting device
| January 24, 1986 |
| 4672486 | Apparatus for rotating a magnetic disc
| November 26, 1985 |
| 4599663 | Recording apparatus with stable disc support and high magnetic flux hold-down
| October 3, 1983 |
| 4553232 | Clamping device for optical disk assemblies
| January 17, 1983 |
| 4535438 | Turntable platter for record players
| August 13, 1982 |
| 4524109 | Record turntable and polymeric coating thereon
| April 22, 1983 |
| 4507774 | Optical disc and disc-turntable air flow interface assembly
| March 11, 1983 |
| 4497003 | Disc positioning device
| June 8, 1982 |
| 4470054 | Optical disc write/read apparatus with disc mounting means
| October 25, 1982 |
| 4464670 | Optical disk mounting means for write/read apparatus
| December 20, 1982 |
| 4432086 | Turntable apparatus for video disc player
| May 3, 1982 |
| 4358843 | Spindle for centering a data disk
| September 29, 1980 |
| 4282599 | Phonographic record spindle adaptor
| December 31, 1979 |
| 4218065 | Arrangement for centering, aligning and retaining a rotating record
| December 22, 1978 |
| 4068851 | Audio/video disc playback apparatus with means for correctly positioning the disc relative to a reference level
| January 21, 1977 |
| 4002826 | Playback apparatus, in particular, video player, for playing round records provided with information tracks
| June 5, 1975 |
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