Turntables or rotors incorporating balancing means; Means for detecting imbalance

Industry

CPC
G11B19/2027

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor Control thereof Control of operating function; Driving both disc and head

Current Industry

G11B19/2027Turntables or rotors incorporating balancing means; Means for detecting imbalance

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method of imbalance correction using a grooved disk clamp
- Patent number 8,780,491
- Issue date Jul 15, 2014
- Western Digital Technologies, Inc.
- Joseph A. Perlas
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor including magnetic member and disk drive apparatus in...
- Patent number 8,508,884
- Issue date Aug 13, 2013
- Nidec Corporation
- Yoichi Sekii
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor with a chucking device having a turntable and a plurality of...
- Patent number 8,407,731
- Issue date Mar 26, 2013
- Nidec Corporation
- Haruhiko Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor including annular magnetic member and disk drive appa...
- Patent number 8,358,483
- Issue date Jan 22, 2013
- Nidec Corporation
- Yoichi Sekii
- G11 - INFORMATION STORAGE
Information Patent Grant
Auto balancing device and disc chucking device and disc driving dev...
- Patent number 8,156,514
- Issue date Apr 10, 2012
- Samsung Electro-Mechanics Co. Ltd.
- Viatcheslav Smirnov
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to balance spindles in a plurality of disk drives
- Patent number 7,916,599
- Issue date Mar 29, 2011
- Western Digital Technologies, Inc.
- Boworn Panyavoravaj
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Patent number 7,882,512
- Issue date Feb 1, 2011
- Sony Corporation
- Rikuhiro Hanai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk pack balancing station
- Patent number 7,874,424
- Issue date Jan 25, 2011
- Western Digital Technologies, Inc.
- Barnaby Brian Westwood
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for controlling ball auto-balance system of optical disk drive
- Patent number 7,814,507
- Issue date Oct 12, 2010
- ASUSTeK COMPUTER Inc.
- Yi-Min Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Patent number 7,696,655
- Issue date Apr 13, 2010
- Sony Corporation
- Yuji Shishido
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk pack balancing station
- Patent number 7,669,711
- Issue date Mar 2, 2010
- Western Digital Technologies, Inc.
- Barnaby Brian Westwood
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive including a balancing element with first and second cavi...
- Patent number 7,529,064
- Issue date May 5, 2009
- Western Digital Technologies, Inc.
- Yao-Hsin Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic balancing device, rotational driving device and disk drive
- Patent number 7,492,549
- Issue date Feb 17, 2009
- Sony Corporation
- Yuji Shishido
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-plane balance for spindle motors
- Patent number 7,463,446
- Issue date Dec 9, 2008
- Seagate Technology LLC
- John W. Elsing
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk player, and turntable incorporating self-compensating dynamic...
- Patent number 7,367,037
- Issue date Apr 29, 2008
- Samsung Electronics Co., Ltd.
- Jin-seung Sohn
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-plane balance for spindle motors
- Patent number 7,327,531
- Issue date Feb 5, 2008
- Seagate Technology LLC
- John W. Elsing
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for mechanically balancing the disk pack of a...
- Patent number 7,295,400
- Issue date Nov 13, 2007
- Samsung Electronics Co., Ltd.
- Gregory Tran
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and unbalance correcting method thereof
- Patent number 7,130,151
- Issue date Oct 31, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Teruhiro Nakamiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for mechanically balancing the disk pack of a...
- Patent number 7,064,923
- Issue date Jun 20, 2006
- Samsung Electronics Co., Ltd.
- Gregory Tran
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk player, and self-compensating-dynamic-balancer (SCDB) integrat...
- Patent number 7,058,961
- Issue date Jun 6, 2006
- Samsung Electronics Co., Ltd.
- Ming-xing Han
- G11 - INFORMATION STORAGE
Information Patent Grant
Through hub oil fill and vent for a fluid dynamic bearing motor
- Patent number 7,056,024
- Issue date Jun 6, 2006
- Seagate Technology LLC
- Jerry Weingord
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus having particular clamping device
- Patent number 7,051,346
- Issue date May 23, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kiyoshi Masaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Balance clip holder feature on a spindle motor with nickel-teflon c...
- Patent number 7,035,045
- Issue date Apr 25, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Ta-Chang Fu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive including a balancer
- Patent number 7,035,197
- Issue date Apr 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kenji Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method balancing a disk pack in a hard disk drive
- Patent number 7,024,755
- Issue date Apr 11, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Ta-Chang Fu
- G11 - INFORMATION STORAGE
Information Patent Grant
Brushless DC motor with tray coupling structure
- Patent number 7,019,423
- Issue date Mar 28, 2006
- Sunonwealth Electric Machine Industry Co., Ltd.
- Alex Horng
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk balancing apparatus and method for hard disk drive
- Patent number 6,971,154
- Issue date Dec 6, 2005
- Samsung Electronics Co., Ltd.
- Yong-chul Yoo
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor for optical disc player
- Patent number 6,957,442
- Issue date Oct 18, 2005
- Samsung Electro-Mechanics Co., Ltd.
- Weon Ki Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for balancing a rotating assembly using eccentric rings
- Patent number 6,947,253
- Issue date Sep 20, 2005
- Seagate Technology LLC
- Michael W. Pfeiffer
- G11 - INFORMATION STORAGE
Information Patent Grant
Auto-balancing apparatus having balancer clamping mechanism for opt...
- Patent number 6,915,527
- Issue date Jul 5, 2005
- Lite-On It Corporation
- Cheng-Yao Liao
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MOTOR AND DISK DRIVE DEVICE
- Publication number 20220416603
- Publication date Dec 29, 2022
- NIDEC CORPORATION
- Ryo MIYOSHI
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS FOR BALANCING A DISK DRIVE
- Publication number 20140063654
- Publication date Mar 6, 2014
- SEAGATE TECHNOLOGY LLC
- Darius Alisantoso
- G01 - MEASURING TESTING
Information Patent Application
SPINDLE MOTOR
- Publication number 20130320784
- Publication date Dec 5, 2013
- Yong Joo KIM
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20130094342
- Publication date Apr 18, 2013
- NIDEC CORPORATION
- Yoichi SEKII
- G11 - INFORMATION STORAGE
Information Patent Application
CHUCKING DEVICE, MOTOR, DISK DRIVE APPARATUS AND CHUCKING DEVICE MA...
- Publication number 20110167436
- Publication date Jul 7, 2011
- NIDEC CORPORATION
- Haruhiko Ito
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20110134566
- Publication date Jun 9, 2011
- NIDEC CORPORATION
- Yoichi SEKII
- G11 - INFORMATION STORAGE
Information Patent Application
Motor device
- Publication number 20110109193
- Publication date May 12, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Chang Keun Jun
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR HAVING BALL BALANCER
- Publication number 20110047562
- Publication date Feb 24, 2011
- LG Innotek Co., Ltd.
- Yongjoo Kim
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR
- Publication number 20100084930
- Publication date Apr 8, 2010
- Yong Joo Kim
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE AND METHOD OF MANUFACTURE
- Publication number 20100053805
- Publication date Mar 4, 2010
- Samsung Electronics Co., Ltd.
- Dongho Oh
- G11 - INFORMATION STORAGE
Information Patent Application
BALANCE CORRECTION APPARATUS AND BALANCE CORRECTION METHOD
- Publication number 20090244764
- Publication date Oct 1, 2009
- Fujitsu Limited
- Shigeyuki Kotake
- G11 - INFORMATION STORAGE
Information Patent Application
BALANCE MEMBER, MOTOR, AND DISK DRIVE APPARATUS
- Publication number 20090212646
- Publication date Aug 27, 2009
- NIDEC CORPORATION
- Hiroyuki Abe
- G11 - INFORMATION STORAGE
Information Patent Application
Auto balancing device and disc chucking device and disc driving dev...
- Publication number 20090106782
- Publication date Apr 23, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Viatcheslav Smirnov
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR CONTROLLING BALL AUTO-BALANCE SYSTEM OF OPTICAL DISK DRIVE
- Publication number 20080253246
- Publication date Oct 16, 2008
- ASUKTeK COMPUTER INC.
- Yi-Min Huang
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic balancing apparatus, rotative apparatus and disc drive
- Publication number 20080141290
- Publication date Jun 12, 2008
- SONY CORPORATION
- Yuji Shishido
- G11 - INFORMATION STORAGE
Information Patent Application
TWO-PLANE BALANCE FOR SPINDLE MOTORS
- Publication number 20080100958
- Publication date May 1, 2008
- Seagate Technology LLC
- John W. Elsing
- G11 - INFORMATION STORAGE
Information Patent Application
AUTOMATIC BALANCING APPARATUS, ROTATING APPARATUS, DISC DRIVE APPAR...
- Publication number 20080095022
- Publication date Apr 24, 2008
- SONY CORPORATION
- Rikuhiro Hanai
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device
- Publication number 20080024925
- Publication date Jan 31, 2008
- FUJITSU LIMITED
- Kazunori Shikano
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Publication number 20070150910
- Publication date Jun 28, 2007
- SONY CORPORATION
- Yuji Shishido
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for mechanically balancing the disk pack of a...
- Publication number 20060230600
- Publication date Oct 19, 2006
- Gregory Tran
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic balancing device, rotational driving device and disk drive
- Publication number 20060109587
- Publication date May 25, 2006
- SONY CORPORATION
- Yuji Shishido
- G11 - INFORMATION STORAGE
Information Patent Application
Method and disc reading device for detecting unbalanced disc
- Publication number 20060077813
- Publication date Apr 13, 2006
- Cheng-Chieh Chuang
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic balancing apparatus and rotative apparatus using the same
- Publication number 20050235304
- Publication date Oct 20, 2005
- Yuji Shishido
- G01 - MEASURING TESTING
Information Patent Application
Spindle motor
- Publication number 20050223400
- Publication date Oct 6, 2005
- Kunitake Matsushita
- G11 - INFORMATION STORAGE
Information Patent Application
Two-plane balance for spindle motors
- Publication number 20050078409
- Publication date Apr 14, 2005
- Seagate Technology LLC
- John W. Elsing
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device and unbalance correcting method thereof
- Publication number 20050047003
- Publication date Mar 3, 2005
- Teruhiro Nakamiya
- G11 - INFORMATION STORAGE
Information Patent Application
BALANCE CLIP FOR REDUCING FRICTION DURING CLIP ADJUSTMENT IN SPINDL...
- Publication number 20050046283
- Publication date Mar 3, 2005
- Hitachi Global Storage Technolgies Netherlands B.V.
- Ta-Chang Fu
- G11 - INFORMATION STORAGE
Information Patent Application
Method of reducing friction during balance clip adjustment in hard...
- Publication number 20050047002
- Publication date Mar 3, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Ta-Chang Fu
- G11 - INFORMATION STORAGE
Information Patent Application
Through hub oil fill and vent for a fluid dynamic bearing motor
- Publication number 20040264819
- Publication date Dec 30, 2004
- Jerry Weingord
- G11 - INFORMATION STORAGE
Information Patent Application
Balance clip holder feature on a spindle motor with nickel-Teflon c...
- Publication number 20040252409
- Publication date Dec 16, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Ta-Chang Fu
- G11 - INFORMATION STORAGE

Turntables or rotors incorporating balancing means; Means for detecting imbalance

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of imbalance correction using a grooved disk clamp

Spindle motor including magnetic member and disk drive apparatus in...

Motor with a chucking device having a turntable and a plurality of...

Spindle motor including annular magnetic member and disk drive appa...

Auto balancing device and disc chucking device and disc driving dev...

Method to balance spindles in a plurality of disk drives

Automatic balancing apparatus, rotating apparatus, disc drive appar...

Disk pack balancing station

Method for controlling ball auto-balance system of optical disk drive

Automatic balancing apparatus, rotating apparatus, disc drive appar...

Disk pack balancing station

Disk drive including a balancing element with first and second cavi...

Automatic balancing device, rotational driving device and disk drive

Two-plane balance for spindle motors

Disk player, and turntable incorporating self-compensating dynamic...

Two-plane balance for spindle motors

Method and apparatus for mechanically balancing the disk pack of a...

Disk device and unbalance correcting method thereof

Method and apparatus for mechanically balancing the disk pack of a...

Disk player, and self-compensating-dynamic-balancer (SCDB) integrat...

Through hub oil fill and vent for a fluid dynamic bearing motor

Disk drive apparatus having particular clamping device

Balance clip holder feature on a spindle motor with nickel-teflon c...

Disk drive including a balancer

Method balancing a disk pack in a hard disk drive

Brushless DC motor with tray coupling structure

Hard disk balancing apparatus and method for hard disk drive

Spindle motor for optical disc player

Method for balancing a rotating assembly using eccentric rings

Auto-balancing apparatus having balancer clamping mechanism for opt...

Patents Applicationslast 30 patents

MOTOR AND DISK DRIVE DEVICE

METHODS FOR BALANCING A DISK DRIVE

SPINDLE MOTOR

SPINDLE MOTOR AND DISK DRIVE APPARATUS

CHUCKING DEVICE, MOTOR, DISK DRIVE APPARATUS AND CHUCKING DEVICE MA...

SPINDLE MOTOR AND DISK DRIVE APPARATUS

Motor device

SPINDLE MOTOR HAVING BALL BALANCER

SPINDLE MOTOR

HARD DISK DRIVE AND METHOD OF MANUFACTURE

BALANCE CORRECTION APPARATUS AND BALANCE CORRECTION METHOD

BALANCE MEMBER, MOTOR, AND DISK DRIVE APPARATUS

Auto balancing device and disc chucking device and disc driving dev...

METHOD FOR CONTROLLING BALL AUTO-BALANCE SYSTEM OF OPTICAL DISK DRIVE

Automatic balancing apparatus, rotative apparatus and disc drive

TWO-PLANE BALANCE FOR SPINDLE MOTORS

AUTOMATIC BALANCING APPARATUS, ROTATING APPARATUS, DISC DRIVE APPAR...

Magnetic disk device

Automatic balancing apparatus, rotating apparatus, disc drive appar...

Method and apparatus for mechanically balancing the disk pack of a...

Automatic balancing device, rotational driving device and disk drive

Method and disc reading device for detecting unbalanced disc

Automatic balancing apparatus and rotative apparatus using the same

Spindle motor

Two-plane balance for spindle motors

Disk device and unbalance correcting method thereof

BALANCE CLIP FOR REDUCING FRICTION DURING CLIP ADJUSTMENT IN SPINDL...

Method of reducing friction during balance clip adjustment in hard...

Through hub oil fill and vent for a fluid dynamic bearing motor

Balance clip holder feature on a spindle motor with nickel-Teflon c...