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adjusting the signal strength during recording or reproduction
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G11B20/10027
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PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B20/00
Signal processing not specific to the method of recording or reproducing Circuits therefor
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G11B20/10027
adjusting the signal strength during recording or reproduction
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Patents Grants
last 30 patents
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Patent Grant
Data storage device pre-biasing write current for energy assisted m...
Patent number
11,990,161
Issue date
May 21, 2024
Western Digital Technologies, Inc.
Joey M. Poss
G11 - INFORMATION STORAGE
Information
Patent Grant
Two-stage audio gain circuit based on analog-to-digital conversion...
Patent number
11,973,479
Issue date
Apr 30, 2024
Radiawave Technologies Co., Ltd.
Liuan Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device
Patent number
11,900,964
Issue date
Feb 13, 2024
Kabushiki Kaisha Toshiba
Tomokazu Okubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Management of actuator dynamics in a multiple actuator hard disk dr...
Patent number
11,664,047
Issue date
May 30, 2023
Western Digital Technologies, Inc.
Manoj Keshavan
G11 - INFORMATION STORAGE
Information
Patent Grant
Automatic skew calibration circuit for pattern-dependent dynamic wa...
Patent number
11,657,846
Issue date
May 23, 2023
STMicroelectronics S.r.l.
Enrico Mammei
G11 - INFORMATION STORAGE
Information
Patent Grant
Management of actuator dynamics in a multiple actuator hard disk dr...
Patent number
11,348,607
Issue date
May 31, 2022
Western Digital Technologies, Inc.
Manoj Keshavan
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device with separate actuators
Patent number
11,295,780
Issue date
Apr 5, 2022
Seagate Technology LLC
Richard P. Michel
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuits and methods for optimizing write current waveform for main...
Patent number
11,031,039
Issue date
Jun 8, 2021
Headway Technologies, Inc.
Yuhui Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuits and methods for modifying the write current waveform to im...
Patent number
10,991,391
Issue date
Apr 27, 2021
Headway Technologies, Inc.
Yuhui Tang
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
Data storage device comprising dual channel preamp circuit
Patent number
10,896,695
Issue date
Jan 19, 2021
Western Digital Technologies, Inc.
Junzo Noda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
10,847,182
Issue date
Nov 24, 2020
Kabushiki Kaisha Toshiba
Takao Furuhashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Asynchronous asymmetry compensation for data read from a storage me...
Patent number
10,529,373
Issue date
Jan 7, 2020
International Business Machines Corporation
Robert A. Hutchins
G11 - INFORMATION STORAGE
Information
Patent Grant
Loop consistency using multiple channel estimates
Patent number
10,483,999
Issue date
Nov 19, 2019
Seagate Technology LLC
Zheng Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of performing read/write process on recording medium, parame...
Patent number
10,431,256
Issue date
Oct 1, 2019
Seagate Technology LLC
Walter Jun
G11 - INFORMATION STORAGE
Information
Patent Grant
Independent head, dual reader control logic
Patent number
10,255,943
Issue date
Apr 9, 2019
Seagate Technology LLC
Thomas Lee Schick
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording and reproducing device
Patent number
10,170,141
Issue date
Jan 1, 2019
Kabushiki Kaisha Toshiba
Masayuki Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Individually programmable preamplifier
Patent number
10,164,592
Issue date
Dec 25, 2018
Seagate Technology LLC
Robert Matousek
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sensor circuit supporting multiple transducers with dedicated and s...
Patent number
10,147,455
Issue date
Dec 4, 2018
Avago Technologies International Sales Pte. Limited
Scott M. O'Brien
G11 - INFORMATION STORAGE
Information
Patent Grant
Asynchronous asymmetry compensation for data read from a storage me...
Patent number
10,020,021
Issue date
Jul 10, 2018
International Business Machines Corporation
Robert A. Hutchins
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of performing read/write process on recording medium, parame...
Patent number
9,978,420
Issue date
May 22, 2018
Seagate Technology LLC
Walter Jun
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device and method for manufacturing disk device
Patent number
9,837,114
Issue date
Dec 5, 2017
Kabushiki Kaisha Toshiba
Kazuhiko Takaishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Two-dimensional magnetic recording (TDMR) disk drive with multiple...
Patent number
9,837,106
Issue date
Dec 5, 2017
Western Digital Technologies, Inc.
John Thomas Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Asynchronous asymmetry compensation for data read from a storage me...
Patent number
9,767,842
Issue date
Sep 19, 2017
International Business Machines Corporation
Robert A. Hutchins
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical medium reproduction apparatus and optical medium reproducti...
Patent number
9,672,859
Issue date
Jun 6, 2017
Sony Corporation
Noriaki Nishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal processing device, signal processing method, and computer pr...
Patent number
9,589,591
Issue date
Mar 7, 2017
Sony Corporation
Yuuki Matsumura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of performing read/write process on recording medium, parame...
Patent number
9,508,382
Issue date
Nov 29, 2016
Seagate Technology LLC
Walter Jun
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device updating laser power during non-write mode for...
Patent number
9,502,068
Issue date
Nov 22, 2016
Western Digital Technologies, Inc.
Phillip S. Haralson
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc information device and information processing device
Patent number
9,484,054
Issue date
Nov 1, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Kanji Wakabayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Serial port communication for storage device using single bidirecti...
Patent number
9,343,103
Issue date
May 17, 2016
Avago Technologies General IP (Singapore) Pte. Ltd.
Ross S. Wilson
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
DISK DEVICE
Publication number
20230186951
Publication date
Jun 15, 2023
Kabushiki Kaisha Toshiba
Tomokazu OKUBO
G11 - INFORMATION STORAGE
Information
Patent Application
MANAGEMENT OF ACTUATOR DYNAMICS IN A MULTIPLE ACTUATOR HARD DISK DR...
Publication number
20220406333
Publication date
Dec 22, 2022
Western Digital Technologies, Inc.
Manoj Keshavan
G11 - INFORMATION STORAGE
Information
Patent Application
TWO-STAGE AUDIO GAIN CIRCUIT BASED ON ANALOG-TO-DIGITAL CONVERSION...
Publication number
20220045658
Publication date
Feb 10, 2022
Radiawave Technologies Co., Ltd.
Liuan ZHANG
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE WITH SEPARATE ACTUATORS
Publication number
20210398560
Publication date
Dec 23, 2021
Seagate Technology, LLC
Richard P. Michel
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20200302967
Publication date
Sep 24, 2020
Kabushiki Kaisha Toshiba
Takao Furuhashi
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
Publication number
20190013042
Publication date
Jan 10, 2019
Kabushiki Kaisha Toshiba
Masayuki TAKAGISHI
G11 - INFORMATION STORAGE
Information
Patent Application
ASYNCHRONOUS ASYMMETRY COMPENSATION FOR DATA READ FROM A STORAGE ME...
Publication number
20180277155
Publication date
Sep 27, 2018
International Business Machines Corporation
Robert A. Hutchins
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF PERFORMING READ/WRITE PROCESS ON RECORDING MEDIUM, PARAME...
Publication number
20180261248
Publication date
Sep 13, 2018
SEAGATE TECHNOLOGY LLC
Walter Jun
G11 - INFORMATION STORAGE
Information
Patent Application
ASYNCHRONOUS ASYMMETRY COMPENSATION FOR DATA READ FROM A STORAGE ME...
Publication number
20170323662
Publication date
Nov 9, 2017
International Business Machines Corporation
Robert A. Hutchins
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL MEDIUM REPRODUCTION APPARATUS AND OPTICAL MEDIUM REPRODUCTI...
Publication number
20160196848
Publication date
Jul 7, 2016
SONY CORPORATION
Noriaki Nishi
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC INFORMATION DEVICE AND INFORMATION PROCESSING DEVICE
Publication number
20150380041
Publication date
Dec 31, 2015
Panasonic Intellectual Property Management Co., Ltd.
Kanji WAKABAYASHI
G11 - INFORMATION STORAGE
Information
Patent Application
MULTIPLEXED COMMUNICATION IN A STORAGE DEVICE
Publication number
20150318014
Publication date
Nov 5, 2015
LSI Corporation
Ross S. Wilson
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DRIVE SLIDER WITH SENSE AMPLIFIER FOR COUPLING TO A PREAMP THR...
Publication number
20150146319
Publication date
May 28, 2015
WESTERN DIGITAL TECHNOLOGIES, INC.
DENNIS W. HOGG
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE AND METHOD FOR GENERATING A REFERENCE CLOCK SIG...
Publication number
20140327982
Publication date
Nov 6, 2014
Jingliang Zhang
G11 - INFORMATION STORAGE
Information
Patent Application
STORAGE DEVICE HAVING DEGAUSS CIRCUITRY CONFIGURED FOR GENERATING D...
Publication number
20140240864
Publication date
Aug 28, 2014
LSI Corporation
Boris Livshitz
G11 - INFORMATION STORAGE
Information
Patent Application
AUTOMATIC GAIN CONTROL LOOP ADAPTATION FOR ENHANCED NYQUIST DATA PA...
Publication number
20140211336
Publication date
Jul 31, 2014
LSI Corporation
Yu Liao
G11 - INFORMATION STORAGE
Information
Patent Application
PREAMPLIFIER OUTPUT CURRENT CONTROL
Publication number
20140139941
Publication date
May 22, 2014
TEXAS INSTRUMENTS INCORPORATED
JEREMY R. KUEHLWEIN
G11 - INFORMATION STORAGE
Information
Patent Application
PROGRAMMABLE ANALOG FEED-FORWARD TIMER FOR DYNAMIC WAVE SHAPING
Publication number
20140126077
Publication date
May 8, 2014
HGST NETHERLANDS B.V.
John Thomas Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
ZERO GAIN START AND GAIN ACQUISITION BASED ON ADAPTIVE ANALOG-TO-DI...
Publication number
20140104717
Publication date
Apr 17, 2014
LSI Corporation
Haotian Zhang
G11 - INFORMATION STORAGE
Information
Patent Application
PRE-AMPLIFIER OUTPUT STAGE WITH INTEGRATED TEST BUFFER
Publication number
20140063639
Publication date
Mar 6, 2014
TEXAS INSTRUMENTS INCORPORATED
Douglas Warren Dean
G11 - INFORMATION STORAGE
Information
Patent Application
Systems and Methods for Filter Initialization and Tuning
Publication number
20140012888
Publication date
Jan 9, 2014
LSI Corporation
James A. Bailey
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING APPARATUS
Publication number
20140010059
Publication date
Jan 9, 2014
SONY CORPORATION
Goro Fujita
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC DEVICE AND OPTICAL DISC REPRODUCTION METHOD
Publication number
20130322226
Publication date
Dec 5, 2013
Funai Electric Co., Ltd.
Kazuhiro ICHIKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
IMPLEMENTING SPIN-TORQUE OSCILLATOR SENSING WITH ENHANCED INTEGRATE...
Publication number
20130148224
Publication date
Jun 13, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Patrick Mesquita Braganca
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording System With Multi-Level Write Current
Publication number
20130128375
Publication date
May 23, 2013
LSI CORPORATION
Boris Livshitz
G11 - INFORMATION STORAGE
Information
Patent Application
Determining Coefficients For Digital Low Pass Filter Given Cutoff A...
Publication number
20130054663
Publication date
Feb 28, 2013
Nayak Ratnakar Aravind
G11 - INFORMATION STORAGE
Information
Patent Application
Read Channel With Selective Oversampled Analog To Digital Conversion
Publication number
20130050004
Publication date
Feb 28, 2013
James A. Bailey
G11 - INFORMATION STORAGE
Information
Patent Application
BREAKDOWN PREDICTION DEVICE, BREAKDOWN PREDICTION METHOD, AND BREAK...
Publication number
20120287526
Publication date
Nov 15, 2012
NEC Corporation
Shigeru Kasai
G11 - INFORMATION STORAGE
Information
Patent Application
REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATI...
Publication number
20120201112
Publication date
Aug 9, 2012
Harumitsu MIYASHITA
G11 - INFORMATION STORAGE
Information
Patent Application
Systems and Methods for Reduced Format Data Processing
Publication number
20120182643
Publication date
Jul 19, 2012
LSI CORPORATION
Xun Zhang
G11 - INFORMATION STORAGE