Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation

Industry

CPC
G11B21/10

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B21/00Head arrangements not specific to the method of recording or reproducing

Current Industry

G11B21/10Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method of operating hard disk drives, corresponding control circuit...
- Patent number 12,119,024
- Issue date Oct 15, 2024
- STMicroelectronics S.r.l.
- Ezio Galbiati
- G11 - INFORMATION STORAGE
Information Patent Grant
TDS mitigation using different data preamble tones
- Patent number 12,033,664
- Issue date Jul 9, 2024
- Western Digital Technologies, Inc.
- Derrick E. Burton
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,948,604
- Issue date Apr 2, 2024
- Kabushiki Kaisha Toshiba
- Hideki Hironaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape drive having independently controlled tilting tandem tape heads
- Patent number 11,935,563
- Issue date Mar 19, 2024
- Western Digital Technologies, Inc.
- Junzo Noda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device having redundant servo readers and method...
- Patent number 11,935,562
- Issue date Mar 19, 2024
- Western Digital Technologies, Inc.
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,887,633
- Issue date Jan 30, 2024
- Kabushiki Kaisha Toshiba
- Takayuki Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Split-actuator drive that coordinates fractional-wedge timing of ag...
- Patent number 11,862,196
- Issue date Jan 2, 2024
- Kabushiki Kaisha Toshiba
- Richard M. Ehrlich
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method
- Patent number 11,862,204
- Issue date Jan 2, 2024
- Kabushiki Kaisha Toshiba
- Kana Furuhashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,862,197
- Issue date Jan 2, 2024
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device integrating wedge repeatable runout (WRRO) lear...
- Patent number 11,790,949
- Issue date Oct 17, 2023
- Western Digital Technologies, Inc.
- Jim French
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for disk drive fly height measurement
- Patent number 11,756,582
- Issue date Sep 12, 2023
- STMicroelectronics, Inc.
- Paolo Pulici
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with soft on-disk activation of fine actuators
- Patent number 11,749,303
- Issue date Sep 5, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data timestamp and read counter for magnetic recording devices
- Patent number 11,694,722
- Issue date Jul 4, 2023
- Western Digital Technologies, Inc.
- Shaomin Xiong
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device that corrects position of head by demodulation
- Patent number 11,694,720
- Issue date Jul 4, 2023
- Kabushiki Kaisha Toshiba
- Naoki Tagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Angled free layer for multi-level read signals
- Patent number 11,688,427
- Issue date Jun 27, 2023
- Western Digital Technologies, Inc.
- Zhen Jin
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method of write processing of postcode
- Patent number 11,657,834
- Issue date May 23, 2023
- Kabushiki Kaisha Toshiba
- Noaki Tagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Data access and logical mapping for magnetic disks
- Patent number 11,657,848
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- Robert Horn
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape-shaped magnetic recording medium and cartridge
- Patent number 11,651,781
- Issue date May 16, 2023
- Sony Group Corporation
- Minoru Yamaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Polydyne acceleration trajectory control
- Patent number 11,646,060
- Issue date May 9, 2023
- Western Digital Technologies, Inc.
- Takehiko Eguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Estimating read offset in a drive using machine learning
- Patent number 11,646,059
- Issue date May 9, 2023
- Seagate Technology LLC
- Zheng Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disk device
- Patent number 11,600,292
- Issue date Mar 7, 2023
- Kabushiki Kaisha Toshiba
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Read offset calibration for error recovery
- Patent number 11,568,895
- Issue date Jan 31, 2023
- Seagate Technology LLC
- Ara Patapoutian
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and head change processing method
- Patent number 11,557,312
- Issue date Jan 17, 2023
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Grant
Joined multi-module tape recording head
- Patent number 11,545,184
- Issue date Jan 3, 2023
- Western Digital Technologies, Inc.
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method of reducing microactuator voltage
- Patent number 11,514,937
- Issue date Nov 29, 2022
- Kabushiki Kaisha Toshiba
- Takuji Matsuzawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device demodulating servo stripes using matched filter
- Patent number 11,488,626
- Issue date Nov 1, 2022
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device demodulating servo stripes using matched filter
- Patent number 11,488,625
- Issue date Nov 1, 2022
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device independently driving outer and inner fine actu...
- Patent number 11,482,254
- Issue date Oct 25, 2022
- Western Digital Technologies, Inc.
- Manoj Keshavan
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting NFT contamination by measuring therma...
- Patent number 11,430,482
- Issue date Aug 30, 2022
- Western Digital Technologies, Inc.
- Sukumar Rajauria
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device calibrating write parameter by pressing actuato...
- Patent number 11,417,363
- Issue date Aug 16, 2022
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Tape Drive Having Independently Controlled Tilting Tandem Tape Heads
- Publication number 20240177737
- Publication date May 30, 2024
- Western Digital Technologies, Inc.
- Junzo NODA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING CONTROL CIRCUIT...
- Publication number 20240096371
- Publication date Mar 21, 2024
- STMicroelectronics S.r.l
- Ezio Galbiati
- G11 - INFORMATION STORAGE
Information Patent Application
TDS Mitigation Using Different Data Preamble Tones
- Publication number 20230419995
- Publication date Dec 28, 2023
- Western Digital Technologies, Inc.
- Derrick E. BURTON
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING CARTRIDGE, AND RECORD...
- Publication number 20230402063
- Publication date Dec 14, 2023
- SONY GROUP CORPORATION
- Minoru YAMAGA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD
- Publication number 20230306987
- Publication date Sep 28, 2023
- Kabushiki Kaisha Toshiba
- Kana FURUHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
Tape Drive Having Independently Controlled Tilting Tandem Tape Heads
- Publication number 20230290377
- Publication date Sep 14, 2023
- Western Digital Technologies, Inc.
- Junzo NODA
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE INTEGRATING WEDGE REPEATABLE RUNOUT (WRRO) LEAR...
- Publication number 20230282237
- Publication date Sep 7, 2023
- Western Digital Technologies, Inc.
- Jim French
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230282228
- Publication date Sep 7, 2023
- Kabushiki Kaisha Toshiba
- Takayuki Kawabe
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Device Having Redundant Servo Readers and Method...
- Publication number 20230267964
- Publication date Aug 24, 2023
- Western Digital Technologies, Inc.
- Robert G. BISKEBORN
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230245683
- Publication date Aug 3, 2023
- Kabushiki Kaisha Toshiba
- Daisuke SUDO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE DEVICE AND METHOD OF OPERATING MAGNETIC TAPE DEVICE
- Publication number 20230142229
- Publication date May 11, 2023
- FUJIFILM CORPORATION
- Ren ISHIKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230091001
- Publication date Mar 23, 2023
- Kabushiki Kaisha Toshiba
- Hideki HIRONAKA
- G11 - INFORMATION STORAGE
Information Patent Application
ESTIMATING READ OFFSET IN A DRIVE USING MACHINE LEARNING
- Publication number 20230067909
- Publication date Mar 2, 2023
- SEAGATE TECHNOLOGY LLC
- Zheng Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230063493
- Publication date Mar 2, 2023
- Kabushiki Kaisha Toshiba
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND REFRESH PROCESSING METHOD
- Publication number 20230046510
- Publication date Feb 16, 2023
- Kabushiki Kaisha Toshiba
- Seishiro FUJIWARA
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO WRITER AND CARTRIDGE
- Publication number 20220406335
- Publication date Dec 22, 2022
- SONY GROUP CORPORATION
- Hiroshi MORITA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD OF WRITE PROCESSING OF POSTCODE
- Publication number 20220301584
- Publication date Sep 22, 2022
- Kabushiki Kaisha Toshiba
- Noaki TAGAMI
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...
- Publication number 20220262402
- Publication date Aug 18, 2022
- Western Digital Technologies, Inc.
- MANOJ KESHAVAN
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND HEAD CHANGE PROCESSING METHOD
- Publication number 20220215858
- Publication date Jul 7, 2022
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND CARTRIDGE
- Publication number 20220148618
- Publication date May 12, 2022
- SONY GROUP CORPORATION
- Minoru YAMAGA
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER
- Publication number 20220108722
- Publication date Apr 7, 2022
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER
- Publication number 20220108719
- Publication date Apr 7, 2022
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND SECTOR PROCESSING METHOD
- Publication number 20220068307
- Publication date Mar 3, 2022
- Kabushiki Kaisha Toshiba
- Kazumi Fujimoto
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE WITH EFFICIENT HANDLING OF OFF-TRACK EVENTS DURING SEQUE...
- Publication number 20210098019
- Publication date Apr 1, 2021
- Kabushiki Kaisha Toshiba
- Richard M. EHRLICH
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND CONTROL METHOD OF SERVO WRITE
- Publication number 20200395044
- Publication date Dec 17, 2020
- Kabushiki Kaisha Toshiba
- Daisuke Sudo
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO WRITER AND SERVO SIGNAL WRITING METHOD
- Publication number 20200365184
- Publication date Nov 19, 2020
- SONY CORPORATION
- Tetsuo ENDO
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING INFORMA...
- Publication number 20190355390
- Publication date Nov 21, 2019
- Canon Kabushiki Kaisha
- Hidetaka Tabuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONTROL HEAD TO HEAD SPACING USING A PIEZOELECTRIC DEVICE
- Publication number 20190333536
- Publication date Oct 31, 2019
- Western Digital Technologies, Inc.
- Trevor OLSON
- G11 - INFORMATION STORAGE
Information Patent Application
Pressure-Sensitive Adhesive Sheet and Magnetic Disc Device
- Publication number 20190284445
- Publication date Sep 19, 2019
- Nitto Denko Corporation
- Kenji FURUTA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20170084305
- Publication date Mar 23, 2017
- SHOWA DENKO K.K.
- Eishin YAMAKAWA
- G11 - INFORMATION STORAGE

Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of operating hard disk drives, corresponding control circuit...

TDS mitigation using different data preamble tones

Magnetic disk device

Tape drive having independently controlled tilting tandem tape heads

Magnetic recording device having redundant servo readers and method...

Magnetic disk device

Split-actuator drive that coordinates fractional-wedge timing of ag...

Magnetic disk device and method

Magnetic disk device

Data storage device integrating wedge repeatable runout (WRRO) lear...

System and method for disk drive fly height measurement

Data storage device with soft on-disk activation of fine actuators

Data timestamp and read counter for magnetic recording devices

Magnetic disk device that corrects position of head by demodulation

Angled free layer for multi-level read signals

Magnetic disk device and method of write processing of postcode

Data access and logical mapping for magnetic disks

Tape-shaped magnetic recording medium and cartridge

Polydyne acceleration trajectory control

Estimating read offset in a drive using machine learning

Magnetic disk device

Read offset calibration for error recovery

Magnetic disk device and head change processing method

Joined multi-module tape recording head

Magnetic disk device and method of reducing microactuator voltage

Data storage device demodulating servo stripes using matched filter

Data storage device demodulating servo stripes using matched filter

Data storage device independently driving outer and inner fine actu...

Data storage device detecting NFT contamination by measuring therma...

Data storage device calibrating write parameter by pressing actuato...

Patents Applicationslast 30 patents

Tape Drive Having Independently Controlled Tilting Tandem Tape Heads

METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING CONTROL CIRCUIT...

TDS Mitigation Using Different Data Preamble Tones

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING CARTRIDGE, AND RECORD...

MAGNETIC DISK DEVICE AND METHOD

Tape Drive Having Independently Controlled Tilting Tandem Tape Heads

DATA STORAGE DEVICE INTEGRATING WEDGE REPEATABLE RUNOUT (WRRO) LEAR...

MAGNETIC DISK DEVICE

Magnetic Recording Device Having Redundant Servo Readers and Method...

MAGNETIC DISK DEVICE

MAGNETIC TAPE DEVICE AND METHOD OF OPERATING MAGNETIC TAPE DEVICE

MAGNETIC DISK DEVICE

ESTIMATING READ OFFSET IN A DRIVE USING MACHINE LEARNING

MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND REFRESH PROCESSING METHOD

SERVO WRITER AND CARTRIDGE

MAGNETIC DISK DEVICE AND METHOD OF WRITE PROCESSING OF POSTCODE

DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...

MAGNETIC DISK DEVICE AND HEAD CHANGE PROCESSING METHOD

MAGNETIC RECORDING MEDIUM AND CARTRIDGE

DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER

DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER

MAGNETIC DISK DEVICE AND SECTOR PROCESSING METHOD

DISK DRIVE WITH EFFICIENT HANDLING OF OFF-TRACK EVENTS DURING SEQUE...

MAGNETIC DISK DEVICE AND CONTROL METHOD OF SERVO WRITE

SERVO WRITER AND SERVO SIGNAL WRITING METHOD

INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING INFORMA...

CONTROL HEAD TO HEAD SPACING USING A PIEZOELECTRIC DEVICE

Pressure-Sensitive Adhesive Sheet and Magnetic Disc Device

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...