Details of the magnetic circuit

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CPC
G11B5/5573

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

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G11B5/5573Details of the magnetic circuit

Industries

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Patents Grantslast 30 patents

Information Patent Grant
In-situ install of cross-flux magnet in voice coil motor actuator
- Patent number 12,087,335
- Issue date Sep 10, 2024
- Western Digital Technologies, Inc.
- Brandon Kaplan
- G11 - INFORMATION STORAGE
Information Patent Grant
Sector metrics to estimate health of written data
- Patent number 12,020,733
- Issue date Jun 25, 2024
- Western Digital Technologies, Inc.
- Niranjay Ravindran
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device stored trace data of the read/write processing
- Patent number 11,817,133
- Issue date Nov 14, 2023
- Kabushiki Kaisha Toshiba
- Kimiyasu Aida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reducing noise in back EMF sensing for data storage
- Patent number 11,798,587
- Issue date Oct 24, 2023
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method for switching bias voltage and driv...
- Patent number 11,783,855
- Issue date Oct 10, 2023
- Kabushiki Kaisha Toshiba
- Takeyori Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Shape memory alloy based actuator latch
- Patent number 11,783,858
- Issue date Oct 10, 2023
- Seagate Technology LLC
- Brett R. Herdendorf
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for emergency...
- Patent number 11,763,844
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive having dual micro-actuators on carriage arms
- Patent number 11,521,646
- Issue date Dec 6, 2022
- Kabushiki Kaisha Toshiba
- Koichiro Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Reducing the effect of actuator cross-coupling in split actuator dr...
- Patent number 11,508,403
- Issue date Nov 22, 2022
- Kabushiki Kaisha Toshiba
- Gabor Szita
- G11 - INFORMATION STORAGE
Information Patent Grant
Ball bearing cartridge for linear actuator
- Patent number 11,488,624
- Issue date Nov 1, 2022
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and information management method
- Patent number 11,450,343
- Issue date Sep 20, 2022
- Kabushiki Kaisha Toshiba
- Masatsugu Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Axial flux permanent magnet motor for ball screw cam elevator mecha...
- Patent number 11,410,694
- Issue date Aug 9, 2022
- Western Digital Technologies, Inc.
- Diep Nguyen
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device using windowed delta-sigma analog-to-digital co...
- Patent number 11,373,678
- Issue date Jun 28, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Movable ramp with arm engaging bracket for an elevator drive on a m...
- Patent number 11,348,610
- Issue date May 31, 2022
- Seagate Technology LLC
- Brett R. Herdendorf
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of multi-stage servo system
- Patent number 11,289,122
- Issue date Mar 29, 2022
- Seagate Technology LLC
- XingHui Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device having head-support arms with reduced thickness regions...
- Patent number 11,217,275
- Issue date Jan 4, 2022
- Kabushiki Kaisha Toshiba
- Yoshihiko Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Embedded tape reel lock mechanism for tape embedded storage drive
- Patent number 11,211,086
- Issue date Dec 28, 2021
- Western Digital Technologies, Inc.
- Kouki Uefune
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,094,341
- Issue date Aug 17, 2021
- Kabushiki Kaisha Toshiba
- Takuji Matsuzawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device coupling/decoupling actuator arm to/from an act...
- Patent number 10,991,389
- Issue date Apr 27, 2021
- Western Digital Technologies, Inc.
- David R. Hall
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive having dual micro-actuators on carriage arms
- Patent number 10,984,827
- Issue date Apr 20, 2021
- Kabushiki Kaisha Toshiba
- Koichiro Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Parallel servo control in a data storage device
- Patent number 10,964,345
- Issue date Mar 30, 2021
- Seagate Technology LLC
- Kenneth Haapala
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnet for motor of magnetic storage device
- Patent number 10,916,269
- Issue date Feb 9, 2021
- Western Digital Technologies, Inc.
- Toshio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device coupling/decoupling actuator arm to/from an act...
- Patent number 10,872,629
- Issue date Dec 22, 2020
- Western Digital Technologies, Inc.
- David R. Hall
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 10,825,482
- Issue date Nov 3, 2020
- Kabushiki Kaisha Toshiba
- Hirofumi Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly that enables reduction in disk to disk spacing
- Patent number 10,811,045
- Issue date Oct 20, 2020
- Seagate Technology LLC
- Riyan Alex Mendonsa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device bank writing servo sectors for interleaved serv...
- Patent number 10,783,911
- Issue date Sep 22, 2020
- Western Digital Technologies, Inc.
- Chun S. Tsai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having coupling observers for reducing couplin...
- Patent number 10,741,210
- Issue date Aug 11, 2020
- Seagate Technology LLC
- Gary Ernest Hillukka
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device capable of overriding a servo command to avoid...
- Patent number 10,714,133
- Issue date Jul 14, 2020
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Bimodal modulation
- Patent number 10,014,027
- Issue date Jul 3, 2018
- Seagate Technology LLC
- Vijay Kumar
- G11 - INFORMATION STORAGE
Information Patent Grant
Bimodal modulation
- Patent number 9,754,620
- Issue date Sep 5, 2017
- Seagate Technology LLC
- Vijay Kumar
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
CENTER STRUCTURE HAVING ATTACHMENT SUPPORT FOR AN ACTUATOR IN A MUL...
- Publication number 20240105222
- Publication date Mar 28, 2024
- Western Digital Technologies, Inc.
- Jung-Seo Park
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230386513
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
SECTOR METRICS TO ESTIMATE HEALTH OF WRITTEN DATA
- Publication number 20230335158
- Publication date Oct 19, 2023
- Western Digital Technologies, Inc.
- Niranjay Ravindran
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230326485
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
REDUCING NOISE IN BACK EMF SENSING FOR DATA STORAGE
- Publication number 20230317107
- Publication date Oct 5, 2023
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230078768
- Publication date Mar 16, 2023
- Kabushiki Kaisha Toshiba
- Kimiyasu Aida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD FOR SWITCHING BIAS VOLTAGE AND DRIV...
- Publication number 20230073158
- Publication date Mar 9, 2023
- Kabushiki Kaisha Toshiba
- Takeyori Hara
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND INFORMATION MANAGEMENT METHOD
- Publication number 20220084547
- Publication date Mar 17, 2022
- Kabushiki Kaisha Toshiba
- Masatsugu NISHIDA
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...
- Publication number 20220084548
- Publication date Mar 17, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20210280210
- Publication date Sep 9, 2021
- Kabushiki Kaisha Toshiba
- Takuji Matsuzawa
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE
- Publication number 20210256997
- Publication date Aug 19, 2021
- Kabushiki Kaisha Toshiba
- Koichiro Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE COUPLING/DECOUPLING ACTUATOR ARM TO/FROM AN ACT...
- Publication number 20210082460
- Publication date Mar 18, 2021
- Western Digital Technologies, Inc.
- David R. Hall
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE
- Publication number 20210012796
- Publication date Jan 14, 2021
- Kabushiki Kaisha Toshiba
- Koichiro Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND HEAD SEEK CONTROL METHOD
- Publication number 20200294541
- Publication date Sep 17, 2020
- Kabushiki Kaisha Toshiba
- Takeyori Hara
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE COUPLING/DECOUPLING ACTUATOR ARM TO/FROM AN ACT...
- Publication number 20200286512
- Publication date Sep 10, 2020
- Western Digital Technologies, Inc.
- David R. Hall
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20200286527
- Publication date Sep 10, 2020
- Kabushiki Kaisha Toshiba
- Hirofumi SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DEVICE
- Publication number 20200286509
- Publication date Sep 10, 2020
- Kabushiki Kaisha Toshiba
- Yoshihiko NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
ASSEMBLY THAT ENABLES REDUCTION IN DISK TO DISK SPACING
- Publication number 20190333533
- Publication date Oct 31, 2019
- SEAGATE TECHNOLOGY LLC
- Riyan Alex Mendonsa
- G11 - INFORMATION STORAGE
Information Patent Application
DISK APPARATUS AND DUAL ACTUATOR ASSEMBLY HAVING A WIRING BOARD WIT...
- Publication number 20190287558
- Publication date Sep 19, 2019
- Kabushiki Kaisha Toshiba
- Hisashi HASEGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
BIMODAL MODULATION
- Publication number 20180130493
- Publication date May 10, 2018
- Seagate Technology LLC
- Vijay Kumar
- G11 - INFORMATION STORAGE
Information Patent Application
HARDWARE BASED CROSSTALK REDUCTION FOR HARD DISK DRIVES
- Publication number 20170309304
- Publication date Oct 26, 2017
- Agency for Science, Technology and Research
- Chye Chin TAN
- G11 - INFORMATION STORAGE
Information Patent Application
DETERMINING OSCILLATION CHARACTERISTIC FOR HIGH-FREQUENCY ASSISTED...
- Publication number 20160064016
- Publication date Mar 3, 2016
- Kabushiki Kaisha Toshiba
- Gaku Koizumi
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE ACTUATOR ASSEMBLY WITH INTERLEAVED VOICE COIL MOTOR
- Publication number 20150154994
- Publication date Jun 4, 2015
- HGST NETHERLANDS B.V.
- Kouki Uefune
- G11 - INFORMATION STORAGE
Information Patent Application
Hard Disk Drive Bypass Channel Having A Close-Sided Voice Coil Motor
- Publication number 20140300988
- Publication date Oct 9, 2014
- HGST NETHERLANDS B.V.
- Hajime Eguchi
- G11 - INFORMATION STORAGE
Information Patent Application
BASE ASSEMBLY FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
- Publication number 20130163114
- Publication date Jun 27, 2013
- Samsung Electro-Mechanics Co., Ltd.
- Il Geun JEON
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20120170155
- Publication date Jul 5, 2012
- Teruhiro Nakamiya
- G11 - INFORMATION STORAGE
Information Patent Application
VOICE-COIL MOTOR WITH VOICE COILS CONFIGURED TO REDUCE HEAD VIBRATI...
- Publication number 20120162827
- Publication date Jun 28, 2012
- Kenji Suzuki
- G11 - INFORMATION STORAGE

Details of the magnetic circuit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

In-situ install of cross-flux magnet in voice coil motor actuator

Sector metrics to estimate health of written data

Magnetic disk device stored trace data of the read/write processing

Reducing noise in back EMF sensing for data storage

Magnetic disk device and method for switching bias voltage and driv...

Shape memory alloy based actuator latch

Data storage device having dual actuators and method for emergency...

Hard disk drive having dual micro-actuators on carriage arms

Reducing the effect of actuator cross-coupling in split actuator dr...

Ball bearing cartridge for linear actuator

Magnetic disk device and information management method

Axial flux permanent magnet motor for ball screw cam elevator mecha...

Data storage device using windowed delta-sigma analog-to-digital co...

Movable ramp with arm engaging bracket for an elevator drive on a m...

Calibration of multi-stage servo system

Disk device having head-support arms with reduced thickness regions...

Embedded tape reel lock mechanism for tape embedded storage drive

Magnetic disk device

Data storage device coupling/decoupling actuator arm to/from an act...

Hard disk drive having dual micro-actuators on carriage arms

Parallel servo control in a data storage device

Magnet for motor of magnetic storage device

Data storage device coupling/decoupling actuator arm to/from an act...

Magnetic disk device

Assembly that enables reduction in disk to disk spacing

Data storage device bank writing servo sectors for interleaved serv...

Magnetic disk device having coupling observers for reducing couplin...

Data storage device capable of overriding a servo command to avoid...

Bimodal modulation

Bimodal modulation

Patents Applicationslast 30 patents

CENTER STRUCTURE HAVING ATTACHMENT SUPPORT FOR AN ACTUATOR IN A MUL...

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

SECTOR METRICS TO ESTIMATE HEALTH OF WRITTEN DATA

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

REDUCING NOISE IN BACK EMF SENSING FOR DATA STORAGE

MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND METHOD FOR SWITCHING BIAS VOLTAGE AND DRIV...

MAGNETIC DISK DEVICE AND INFORMATION MANAGEMENT METHOD

DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...

MAGNETIC DISK DEVICE

HARD DISK DRIVE

DATA STORAGE DEVICE COUPLING/DECOUPLING ACTUATOR ARM TO/FROM AN ACT...

HARD DISK DRIVE

MAGNETIC DISK DEVICE AND HEAD SEEK CONTROL METHOD

DATA STORAGE DEVICE COUPLING/DECOUPLING ACTUATOR ARM TO/FROM AN ACT...

MAGNETIC DISK DEVICE

DISK DEVICE

ASSEMBLY THAT ENABLES REDUCTION IN DISK TO DISK SPACING

DISK APPARATUS AND DUAL ACTUATOR ASSEMBLY HAVING A WIRING BOARD WIT...

BIMODAL MODULATION

HARDWARE BASED CROSSTALK REDUCTION FOR HARD DISK DRIVES

DETERMINING OSCILLATION CHARACTERISTIC FOR HIGH-FREQUENCY ASSISTED...

HARD DISK DRIVE ACTUATOR ASSEMBLY WITH INTERLEAVED VOICE COIL MOTOR

Hard Disk Drive Bypass Channel Having A Close-Sided Voice Coil Motor

BASE ASSEMBLY FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME

MAGNETIC DISK DEVICE

VOICE-COIL MOTOR WITH VOICE COILS CONFIGURED TO REDUCE HEAD VIBRATI...