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Class Information
Number: 720/701
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Optical storage medium support (i.e., turntable or spindle motor) > Having balancer
Description: Subject matter comprising means for compensating eccentricities of the optical medium support structure.


Sub-classes under this class:

Class Number Class Name Patents
720/702 Having balls 20


Patents under this class:

Patent Number Title Of Patent Date Issued
7461391 Spindle motor with stability and vibration reduction mechanism Dec. 2, 2008
7454770 Apparatus for reading information, supporting means for use in the apparatus and method for rotating a data carrier Nov. 18, 2008
7448266 Fabrication method of optical disk drive Nov. 11, 2008
7367037 Disk player, and turntable incorporating self-compensating dynamic balancer, clamper incorporating self-compensating dynamic balancer and spindle motor incorporating self-compensating dynamic Apr. 29, 2008
7243360 Method for reducing the altitudinal errors and run-out of a spindle motor and a slim-type spindle motor Jul. 10, 2007
7127731 Apparatus for reading information, supporting means for use in the apparatus and method for rotating a date carrier Oct. 24, 2006
6915527 Auto-balancing apparatus having balancer clamping mechanism for optical disk drives Jul. 5, 2005
6711117 Disk drive incorporating vibration suppressing mechanism Mar. 23, 2004
6704271 Disk drive apparatus Mar. 9, 2004
6680897 Optical disk and recording/reproduction apparatus using the same Jan. 20, 2004
6664670 Automatic balancing apparatus Dec. 16, 2003
6600627 Rotational driving apparatus for disk and manufacturing method therefor Jul. 29, 2003
6507555 Balanced disk drive apparatus Jan. 14, 2003
6477001 Disk drive apparatus having improved auto-balancing unit Nov. 5, 2002
6459675 Self-compensating balancer for disk player and turntable for the same Oct. 1, 2002
6456583 DISK PLAYER, AND TURNTABLE INCORPORATING SELF-COMPENSATING DYNAMIC BALANCER, CLAMPER INCORPORATING SELF-COMPENSATING DYNAMIC BALANCER AND SPINDLE MOTOR INCORPORATING SELF-COMPENSATING DYNAMIC Sep. 24, 2002
6396797 Recording or reproducing unit with means for compensating the unbalance of plate-shaped information media May. 28, 2002
6295269 Automatic balancing mechanism for disk driver free from vibrations due to characteristic angular velocity Sep. 25, 2001
6125098 Disk drive motor Sep. 26, 2000



 
 
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