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Head arrangements not specific to the method of recording or reproducing
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Industry
CPC
G11B21/00
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Parent Industries
G
PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
Current Industry
G11B21/00
Head arrangements not specific to the method of recording or reproducing
Sub Industries
G11B21/003
Disposition of fixed heads
G11B21/006
for track following
G11B21/02
Driving or moving of heads
G11B21/022
Programmed access in sequence to indexed parts of operating record carriers
G11B21/025
of rotating discs
G11B21/027
of tapes
G11B21/03
for correcting time base error during transducing operation, by driving or moving the head in a direction more or less parallel to the direction of travel of the recording medium
G11B21/04
Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium
G11B21/043
for stationary discs
G11B21/046
details of the feed mechanism
G11B21/06
the record carrier having mechanical means to ensure traverse movement of the head
G11B21/08
Track changing or selecting during transducing operation
G11B21/081
Access to indexed tracks or parts of continuous track
G11B21/083
on discs
G11B21/085
with track following of accessed part
G11B21/086
on tapes
G11B21/088
with track following of accessed part
G11B21/10
Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation
G11B21/103
on tapes
G11B21/106
on disks
G11B21/12
Raising and lowering Back-spacing or forward-spacing along track Returning to starting position otherwise than during transducing operation
G11B21/14
manually
G11B21/16
Supporting the heads Supporting the sockets for plug-in heads
G11B21/18
while the head is moving
G11B21/20
while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
G11B21/21
with provision for maintaining desired spacing of head from record carrier
G11B21/22
while the head is out of operative position
G11B21/24
Head support adjustments
G11B21/26
Means for interchange or replacement of head or head element
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Patents Grants
last 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
Magnetic disk device and head control method
Patent number
12,100,423
Issue date
Sep 24, 2024
Kabushiki Kaisha Toshiba
Takeyori Hara
G11 - INFORMATION STORAGE
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
Magnetic disk device
Patent number
12,080,321
Issue date
Sep 3, 2024
Kabushiki Kaisha Toshiba
Koichiro Miyamoto
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
Current sensing circuit and hard disk drive including same
Patent number
12,033,663
Issue date
Jul 9, 2024
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Grant
Seek time to the beginning position of data on tape media
Patent number
11,990,154
Issue date
May 21, 2024
Western Digital Technologies, Inc.
Akira Sakagami
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus and method
Patent number
11,978,483
Issue date
May 7, 2024
Kabushiki Kaisha Toshiba
Wataru Tsukahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Zero skew elevator system
Patent number
11,948,612
Issue date
Apr 2, 2024
Seagate Technology LLC
Riyan Alex Mendonsa
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
Offset spiral data track format for data storage devices
Patent number
11,948,602
Issue date
Apr 2, 2024
Western Digital Technologies, Inc.
Weldon M. Hanson
G11 - INFORMATION STORAGE
Information
Patent Grant
Optimize power, RTV, and coupled PES during seek operations
Patent number
11,948,603
Issue date
Apr 2, 2024
Western Digital Technologies, Inc.
Brian Johnson
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of operating hard disk drives, corresponding hard disk drive...
Patent number
11,942,113
Issue date
Mar 26, 2024
STMicroelectronics S.r.l.
Marco Ferrari
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
Mount plate with suspension circuit indentations
Patent number
11,915,721
Issue date
Feb 27, 2024
Magnecomp Corporation
Kuen Chee Ee
G11 - INFORMATION STORAGE
Information
Patent Grant
Z-height control for disc drive using servo wedge timing
Patent number
11,900,965
Issue date
Feb 13, 2024
Seagate Technology LLC
Xiong Liu
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
Dual spindle motor hard disk drive
Patent number
11,881,232
Issue date
Jan 23, 2024
Western Digital Technologies, Inc.
Nan-Hsun Han
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk device
Patent number
11,875,821
Issue date
Jan 16, 2024
Kabushiki Kaisha Toshiba
Masafumi Iwashiro
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic recording device
Patent number
11,869,540
Issue date
Jan 9, 2024
Kabushiki Kaisha Toshiba
Tazumi Nagasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Load/unload ramp for high-capacity hard disk drive
Patent number
11,869,541
Issue date
Jan 9, 2024
Western Digital Technologies, Inc.
Taichi Nakamura
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
Multi-channel recording head having servo readers proximate to writ...
Patent number
11,862,195
Issue date
Jan 2, 2024
Western Digital Technologies, Inc.
Robert G Biskeborn
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 with smart ISOFET threshold voltage automatic t...
Patent number
11,862,202
Issue date
Jan 2, 2024
Western Digital Technologies, Inc.
Brian Johnson
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device with split burst servo pattern
Patent number
11,830,524
Issue date
Nov 28, 2023
Western Digital Technologies, Inc.
Kei Yasuna
G11 - INFORMATION STORAGE
Information
Patent Grant
Voice coil motor yoke with annular groove in magnet bonding region...
Patent number
11,823,720
Issue date
Nov 21, 2023
Shin-Etsu Chemical Co., Ltd.
Masaki Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Built-in resistance sensor for measuring slider level pole width at...
Patent number
11,823,712
Issue date
Nov 21, 2023
Headway Technologies, Inc.
Yan Wu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
RAMP SUPPORT FOR A MAGNETIC STORAGE DEVICE
Publication number
20240386910
Publication date
Nov 21, 2024
Western Digital Technologies, Inc.
Katsuhiko Ohta
G11 - INFORMATION STORAGE
Information
Patent Application
PRODUCTION PALLET CONTROL SYSTEM AND PRODUCTION PALLET CONTROL METHOD
Publication number
20240304217
Publication date
Sep 12, 2024
Kabushiki Kaisha Toshiba
Satoshi SHIBATA
G11 - INFORMATION STORAGE
Information
Patent Application
SINGLE ARM STEPPER ELEVATION SYSTEM
Publication number
20240221780
Publication date
Jul 4, 2024
SEAGATE TECHNOLOGY LLC
YiChao Ma
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING HARD DISK DRIVE...
Publication number
20240212714
Publication date
Jun 27, 2024
STMicroelectronics KK
Marco Ferrari
G11 - INFORMATION STORAGE
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
MAGNETIC DISK DEVICE AND HEAD CONTROL METHOD
Publication number
20240112700
Publication date
Apr 4, 2024
Kabushiki Kaisha Toshiba
Takeyori Hara
G11 - INFORMATION STORAGE
Information
Patent Application
OPTIMIZE POWER, RTV, AND COUPLED PES DURING SEEK OPERATIONS
Publication number
20240096370
Publication date
Mar 21, 2024
Western Digital Technologies, Inc.
Brian Johnson
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
CURRENT SENSING CIRCUIT AND HARD DISK DRIVE INCLUDING SAME
Publication number
20240038268
Publication date
Feb 1, 2024
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Application
LOAD/UNLOAD RAMP FOR HIGH-CAPACITY HARD DISK DRIVE
Publication number
20240021215
Publication date
Jan 18, 2024
Western Digital Technologies, Inc.
Taichi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Offset Spiral Data Track Format for Data Storage Devices
Publication number
20240005959
Publication date
Jan 4, 2024
Western Digital Technologies, Inc.
Weldon M. Hanson
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
DATA STORAGE DEVICE WITH SPLIT BURST SERVO PATTERN
Publication number
20230402062
Publication date
Dec 14, 2023
Western Digital Technologies, Inc.
Kei Yasuna
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE WITH SMART ISOFET THRESHOLD VOLTAGE AUTOMATIC T...
Publication number
20230360680
Publication date
Nov 9, 2023
Western Digital Technologies, Inc.
Brian Johnson
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
MAGNETIC DISK APPARATUS AND METHOD
Publication number
20230307002
Publication date
Sep 28, 2023
Kabushiki Kaisha Toshiba
Wataru TSUKAHARA
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DEVICE
Publication number
20230307001
Publication date
Sep 28, 2023
Kabushiki Kaisha Toshiba
Masafumi Iwashiro
G11 - INFORMATION STORAGE
Information
Patent Application
BASE MEMBER, SPINDLE MOTOR INCLUDING BASE MEMBER, HARD DISK DRIVE D...
Publication number
20230290378
Publication date
Sep 14, 2023
MINEBEA MITSUMI INC.
Junichi NAKANE
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
20230282236
Publication date
Sep 7, 2023
Kabushiki Kaisha Toshiba
Koichiro Miyamoto
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
METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING HARD DISK DRIVE...
Publication number
20230267963
Publication date
Aug 24, 2023
STMicroelectronics KK
Marco Ferrari
G11 - INFORMATION STORAGE
Information
Patent Application
Mount Plate With Suspension Circuit Indentations
Publication number
20230267962
Publication date
Aug 24, 2023
Magnecomp Corporation
Kuen Chee Ee
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 HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20230267961
Publication date
Aug 24, 2023
Kabushiki Kaisha Toshiba
Tazumi NAGASAWA
G11 - INFORMATION STORAGE
Information
Patent Application
Z-HEIGHT CONTROL FOR DISC DRIVE USING SERVO WEDGE TIMING
Publication number
20230260547
Publication date
Aug 17, 2023
SEAGATE TECHNOLOGY LLC
Xiong Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Multi-Channel Recording Head Having Servo Readers Proximate to Writ...
Publication number
20230253014
Publication date
Aug 10, 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