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Class Information
Number: 720/704
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 > Having centering
Description: Subject matter comprising means for centering the optical storage medium relative to the holding structure.

Sub-classes under this class:

Class Number Class Name Patents
720/705 Using balls 8

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8490122 Disc chucking method and disc driving apparatus Jul. 16, 2013
8438588 Turntable for a storage disk apparatus including ferromagnetic material and a resin member May. 7, 2013
8355301 Disc transportation mechanism and disk processing device Jan. 15, 2013
8352974 Disk holding device and disk processor for a disk having a center hole Jan. 8, 2013
8352975 Chucking device with a cone including a sliding portion, brushless motor using the same, and disk drive apparatus using the same Jan. 8, 2013
8261298 Disk loading device of slot-in optical disk drive Sep. 4, 2012
8146113 Disk unit for conveying disks of different diameters Mar. 27, 2012
8082558 Slot-in optical disk drive for loading/unloading an optical disk Dec. 20, 2011
8037490 Spindle motor Oct. 11, 2011
7992157 Disk transportation mechanism and a disk apparatus comprising the same Aug. 2, 2011
7979874 Mounting device for disk in spindle motor Jul. 12, 2011
7856641 Disk drive device and centering members therefor Dec. 21, 2010
7802272 Chucking device, and motor and disc drive device having loaded thereon a chucking device Sep. 21, 2010
7725909 Apparatus for centering an information medium on a turntable May. 25, 2010
7716692 Disc device with particular loading mechanism May. 11, 2010
7685614 Optical disk drive Mar. 23, 2010
7480926 Deviation adjustment mechanism for spindle motor and pickup head of optical disk drives Jan. 20, 2009
7461391 Spindle motor with stability and vibration reduction mechanism Dec. 2, 2008
7363641 Aligning device, for a disk recording medium, having a sliding portion disposed between the medium and turntable guide portion Apr. 22, 2008
7356825 Disk carrying apparatus Apr. 8, 2008
7313800 Disk centering system Dec. 25, 2007
7308694 High-precision positioning apparatus Dec. 11, 2007
7231645 Slot-in disk recording and/or reproducing apparatus capable of recording information and/or reproducing information Jun. 12, 2007
7228554 Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method Jun. 5, 2007
7073186 Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method Jul. 4, 2006
7036135 Spindle motor centering device Apr. 25, 2006
6993776 Disc centering device Jan. 31, 2006
6944873 Slot-in type optical disk-loading apparatus usable with optical disks of two different standardize diameters Sep. 13, 2005
6655244 Centering apparatus and method Dec. 2, 2003
6600628 Air centering disk chuck Jul. 29, 2003
6532205 Disk centering apparatus Mar. 11, 2003
6445665 Disc centering mechanism in disc playback and/or recording apparatus Sep. 3, 2002
6424616 Insert for drives for optical storage mediums Jul. 23, 2002
6108294 Disk driving device with small centering force variation Aug. 22, 2000
6002663 Hubless optical disc having low radial runout and method of manufacture Dec. 14, 1999
5917802 Clamp centering device of an optical disc player Jun. 29, 1999
5825586 Disk drive motor having a drive pin assembly which facilitates stabilized chucking of a disk Oct. 20, 1998
5796709 Disk reproducting apparatus having improved connection between the centering member and turntable Aug. 18, 1998
5777979 Apparatus for laser exposure of a substrate disk and a method for the centered mounting of a substrate disk Jul. 7, 1998
5761186 Disk centering device Jun. 2, 1998
5682278 Disk chucking device Oct. 28, 1997
5621597 Disc cartridge Apr. 15, 1997
5610779 Floppy disk drive Mar. 11, 1997
5583845 Glass blank disc centering device Dec. 10, 1996
5519687 Turntable device for an information disc May. 21, 1996
5501760 Disc table for disc recording/reproducing apparatus and method for producing same Mar. 26, 1996
5228023 Turntable assembly, method of manufacturing a turntable assembly, and disc player comprising a turntable assembly Jul. 13, 1993
5216664 Optically readable disc with a centering member fixed to a transparent substrate Jun. 1, 1993
5208798 Double-sided disk player May. 4, 1993

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