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H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
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G11B5/022
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PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00
Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
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G11B5/022
H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
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last 30 patents
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Patent Grant
Data delay cell for rise time programming in write preamplifier
Patent number
12,142,305
Issue date
Nov 12, 2024
MARVELL ASIA PTE. LTD.
Kai Wu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and write processing method
Patent number
10,037,769
Issue date
Jul 31, 2018
Kabushiki Kaisha Toshiba
Yusuke Tomoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Additional overshoot current HDD write driver circuit
Patent number
9,601,152
Issue date
Mar 21, 2017
Texas Instruments Incorporated
Marius V. Dina
G11 - INFORMATION STORAGE
Information
Patent Grant
Voice coil motor temperature sensing circuit to reduce catastrophic...
Patent number
9,245,540
Issue date
Jan 26, 2016
Western Digital Technologies, Inc.
John R. Agness
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for speed control of voice coil motor retract...
Patent number
9,236,067
Issue date
Jan 12, 2016
STMicroelectronics Asia Pacific PTE Ltd.
Lorenzo Ferrario
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk-drive pulse duration control system
Patent number
9,196,265
Issue date
Nov 24, 2015
Texas Instruments Incorporated
Marius Vicentiu Dina
G11 - INFORMATION STORAGE
Information
Patent Grant
Cascoded H-bridge pre-driver
Patent number
9,100,010
Issue date
Aug 4, 2015
Texas Instruments Incorporated
Matthew D Rowley
G11 - INFORMATION STORAGE
Information
Patent Grant
Systems and methods for accessing codewords in parallel using a thr...
Patent number
9,007,707
Issue date
Apr 14, 2015
Avago Technologies General IP (Singapore) Pte. Ltd.
Lu Lu
G11 - INFORMATION STORAGE
Information
Patent Grant
Over-the-rail write driver for magnetic storage systems
Patent number
8,804,261
Issue date
Aug 12, 2014
LSI Corporation
Paul Mark Mazur
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage device with driver controller providing pattern-dependent w...
Patent number
8,792,197
Issue date
Jul 29, 2014
LSI Corporation
Ross S. Wilson
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for reflection cancellation
Patent number
8,643,973
Issue date
Feb 4, 2014
Texas Instruments Incorporated
Rajarshi Mukhopadhyay
G11 - INFORMATION STORAGE
Information
Patent Grant
Voltage-mode driver
Patent number
8,643,969
Issue date
Feb 4, 2014
Texas Instruments Incorporated
Rajarshi Mukhopadhyay
G11 - INFORMATION STORAGE
Information
Patent Grant
High speed, low power write current switching scheme for HDD preamp...
Patent number
8,619,382
Issue date
Dec 31, 2013
Texas Instruments Incorporated
Jeremy Robert Kuehlwein
G11 - INFORMATION STORAGE
Information
Patent Grant
Device to synchronize the change of the driving mode of an electrom...
Patent number
8,471,505
Issue date
Jun 25, 2013
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Grant
Data recording apparatus and data recording method
Patent number
8,130,463
Issue date
Mar 6, 2012
Hitachi Maxell, Ltd.
Masao Fujita
G11 - INFORMATION STORAGE
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Patent Grant
Prevention of concurrent PWM or PSM commutations of power signals d...
Patent number
8,044,619
Issue date
Oct 25, 2011
STMicroelectronics S.r.l.
Giuseppe Maiocchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor
Patent number
7,924,534
Issue date
Apr 12, 2011
International Business Machines Corporation
Hubert Grimm
G11 - INFORMATION STORAGE
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Patent Grant
Hybrid termination of transmission line for driving hard disk drive...
Patent number
7,924,525
Issue date
Apr 12, 2011
Marvell International Ltd.
Kien Beng Tan
G11 - INFORMATION STORAGE
Information
Patent Grant
Boosted write driver for transmission line with reduction in parasi...
Patent number
7,848,038
Issue date
Dec 7, 2010
Marvell International Ltd.
Kien Beng Tan
G11 - INFORMATION STORAGE
Information
Patent Grant
High speed digital signaling apparatus and method using reflected s...
Patent number
7,786,754
Issue date
Aug 31, 2010
Hitachi Global Storage Technologies Netherlands B.V.
John Thomas Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods and apparatus to provide dynamically-biased write drivers f...
Patent number
7,746,591
Issue date
Jun 29, 2010
Texas Instruments Incorporated
Priscilla Enid Escobar-Bowser
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive write driver and associated control logic circuitry
Patent number
7,729,077
Issue date
Jun 1, 2010
STMicroelectronics, Inc.
Vineet Tiwari
G11 - INFORMATION STORAGE
Information
Patent Grant
Variable power write driver circuit
Patent number
7,688,536
Issue date
Mar 30, 2010
International Business Machines Corporation
Larry L. Tretter
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods and apparatus for controlling write driver current
Patent number
7,660,064
Issue date
Feb 9, 2010
Agere Systems Inc.
James Patrick Howley
G11 - INFORMATION STORAGE
Information
Patent Grant
Low power preamplifier writer architecture
Patent number
7,656,111
Issue date
Feb 2, 2010
Marvell International Ltd.
Sang Kong Chan
G11 - INFORMATION STORAGE
Information
Patent Grant
High speed current mode write driver
Patent number
7,642,819
Issue date
Jan 5, 2010
Texas Instruments Incorporated
Priscilla E. Escobar-Bowser
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for driving an electromagnetic load
Patent number
7,542,262
Issue date
Jun 2, 2009
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic sensor
Patent number
7,505,233
Issue date
Mar 17, 2009
International Business Machines Corporation
Hubert Grimm
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuit and method for write current driver
Patent number
7,453,659
Issue date
Nov 18, 2008
Texas Instruments Incorporated
Indumini W. Ranmuthu
G11 - INFORMATION STORAGE
Information
Patent Grant
Low power preamplifier writer architecture
Patent number
7,408,313
Issue date
Aug 5, 2008
Marvell International Ltd.
Chan Sang Kong
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
CIRCUITS AND METHODS FOR CANCELLING A REFLECTED WAVE
Publication number
20140300984
Publication date
Oct 9, 2014
TEXAS INSTRUMENTS INCORPORATED
Rajarshi Mukhopadhyay
G11 - INFORMATION STORAGE
Information
Patent Application
Over-the-Rail Write Driver for Magnetic Storage Systems
Publication number
20140029127
Publication date
Jan 30, 2014
LSI Corporation
Paul Mark Mazur
G11 - INFORMATION STORAGE
Information
Patent Application
DISK-DRIVE PULSE DURATION CONTROL SYSTEM
Publication number
20130308222
Publication date
Nov 21, 2013
TEXAS INSTRUMENTS INCORPORATED
Marius Vicentiu Dina
G11 - INFORMATION STORAGE
Information
Patent Application
VOLTAGE-MODE DRIVER
Publication number
20130286499
Publication date
Oct 31, 2013
TEXAS INSTRUMENTS INCORPORATED
Rajarshi Mukhopadhyay
G11 - INFORMATION STORAGE
Information
Patent Application
High Speed, Low Power Write Current Switching Scheme for HDD Preamp...
Publication number
20130278335
Publication date
Oct 24, 2013
TEXAS INSTRUMENTS INCORPORATED
Jeremy Robert Kuehlwein
G11 - INFORMATION STORAGE
Information
Patent Application
FEED-FORWARD COMPENSATION OF LINEAR-PULSE WIDTH MODULATOR HYBRID PO...
Publication number
20130163123
Publication date
Jun 27, 2013
Yoshito Otaguro
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR REFLECTION CANCELLATION
Publication number
20130100551
Publication date
Apr 25, 2013
TEXAS INSTRUMENTS INCORPORATED
Rajarshi Mukhopadhyay
G11 - INFORMATION STORAGE
Information
Patent Application
TECHNIQUE FOR PROGRAMMABLE RISE TIME IN HARD DISK DRIVE WRITER
Publication number
20120019947
Publication date
Jan 26, 2012
TEXAS INSTRUMENTS INCORPORATED
Jeremy Robert Kuehlwein
G11 - INFORMATION STORAGE
Information
Patent Application
DEVICE TO SYNCHRONIZE THE CHANGE OF THE DRIVING MODE OF AN ELECTROM...
Publication number
20100244761
Publication date
Sep 30, 2010
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Application
High speed digital signaling apparatus and method using reflected s...
Publication number
20100061005
Publication date
Mar 11, 2010
John Thomas Contreras
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MAGNETIC RECORDING CIRCUIT, MAGNETIC RECORDING DEVICE, AND INFORMAT...
Publication number
20090284863
Publication date
Nov 19, 2009
Fujitsu Limited
Hiroshi Uno
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Sensor
Publication number
20090161261
Publication date
Jun 25, 2009
Hubert Grimm
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS AND APPARATUS TO PROVIDE DYNAMICALLY-BIASED WRITE DRIVERS F...
Publication number
20090153991
Publication date
Jun 18, 2009
Priscilla Enid Escobar-Bowser
G11 - INFORMATION STORAGE
Information
Patent Application
Methods and Apparatus for Controlling Write Driver Current
Publication number
20090116134
Publication date
May 7, 2009
Agere Systems Inc.
James Patrick Howley
G11 - INFORMATION STORAGE
Information
Patent Application
DATA RECORDING APPARATUS AND DATA RECORDING METHOD
Publication number
20080297941
Publication date
Dec 4, 2008
Masao FUJITA
G11 - INFORMATION STORAGE
Information
Patent Application
Variable Power Write Driver Circuit
Publication number
20080290908
Publication date
Nov 27, 2008
International Business Machines Corporation
Larry L. Tretter
G11 - INFORMATION STORAGE
Information
Patent Application
Method of Using a Magnetic Sensor
Publication number
20080259481
Publication date
Oct 23, 2008
Hubert Grimm
G11 - INFORMATION STORAGE
Information
Patent Application
Low Power Write Driver for a Magnetic Disk Drive
Publication number
20080204914
Publication date
Aug 28, 2008
TEXAS INSTRUMENTS INCORPORATED
Motomu Hashizume
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive write driver and associated control logic circuitry
Publication number
20080055760
Publication date
Mar 6, 2008
STMicroelectronics, Inc.
Vineet Tiwari
G11 - INFORMATION STORAGE
Information
Patent Application
PREVENTION OF CONCURRENT PWM OR PSM COMMUTATIONS OF POWER SIGNALS D...
Publication number
20070296362
Publication date
Dec 27, 2007
STMicroelectronics S.r.l.
Giuseppe Maiocchi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head drive circuit
Publication number
20070206306
Publication date
Sep 6, 2007
Shingo Hokuto
G11 - INFORMATION STORAGE
Information
Patent Application
Circuit and method for write current driver
Publication number
20060268443
Publication date
Nov 30, 2006
TEXAS INSTRUMENTS INCORPORATED
Indumini W. Ranmuthu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic sensor
Publication number
20060126229
Publication date
Jun 15, 2006
Hubert Grimm
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus for driving an electromagnetic load
Publication number
20060087363
Publication date
Apr 27, 2006
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Application
Process-insensitive write current generation for a HDD preamplifier...
Publication number
20060007572
Publication date
Jan 12, 2006
Davy H. Choi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Class-AB beta helper to reduce effects of mirror perturbation
Publication number
20060001475
Publication date
Jan 5, 2006
John J. Price
G05 - CONTROLLING REGULATING
Information
Patent Application
EFFICIENT TRANSITION FROM CLASS D TO LINEAR OPERATION IN DUAL-MODE...
Publication number
20050264920
Publication date
Dec 1, 2005
TEXAS INSTRUMENTS INCORPORATED
Kevin W. Ziemer
G11 - INFORMATION STORAGE
Information
Patent Application
Rejection of power supply variations for gain error cancellation in...
Publication number
20050264921
Publication date
Dec 1, 2005
TEXAS INSTRUMENTS INCORPORATED
Alaa Y. El-Sherif
G11 - INFORMATION STORAGE
Information
Patent Application
Write driver with improved boosting circuit and interconnect impeda...
Publication number
20050237785
Publication date
Oct 27, 2005
Alessandro Venca
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor integrated circuit and magnetic storage device using...
Publication number
20050207228
Publication date
Sep 22, 2005
Hiroki Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY