characterised by the use of two levels

Industry

CPC
G11B20/1403

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B20/00Signal processing not specific to the method of recording or reproducing Circuits therefor

Current Industry

G11B20/1403characterised by the use of two levels

Industries

Patents Grantslast 30 patents

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
Magnetic disk controlling device capable of tracking different serv...
- Patent number 10,803,894
- Issue date Oct 13, 2020
- Kabushiki Kaisha Toshiba
- Satoshi Kuwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage device and controller
- Patent number 10,614,853
- Issue date Apr 7, 2020
- Kabushiki Kaisha Toshiba
- Keiichi Kishino
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Groups of phase invariant codewords
- Patent number 10,560,117
- Issue date Feb 11, 2020
- Hewlett-Packard Development Company, L.P.
- Matthew D Gaubatz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Increasing storage areal density using predictive data locations
- Patent number 10,504,542
- Issue date Dec 10, 2019
- Alibaba Group Holding Limited
- Shu Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining read-head deviation using orth...
- Patent number 10,388,313
- Issue date Aug 20, 2019
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Grant
Groups of phase invariant codewords
- Patent number 10,171,107
- Issue date Jan 1, 2019
- Hewlett-Packard Development Company, L.P.
- Matthew D Gaubatz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for determining read-head deviation using orth...
- Patent number 10,147,450
- Issue date Dec 4, 2018
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining read-head deviation using orth...
- Patent number 9,875,762
- Issue date Jan 23, 2018
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for decoding using run-length limited (RLL) codes
- Patent number 9,852,757
- Issue date Dec 26, 2017
- Marvell International Ltd.
- Kui Cai
- G11 - INFORMATION STORAGE
Information Patent Grant
Codes and techniques for magnetic recording
- Patent number 9,786,319
- Issue date Oct 10, 2017
- Marvell International Ltd.
- Seyed Mehrdad Khatami
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for controlling an audio signal path using redu...
- Patent number 9,648,414
- Issue date May 9, 2017
- Cirrus Logic, Inc.
- Tejasvi Das
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Run-length limited (RLL) codes
- Patent number 9,431,053
- Issue date Aug 30, 2016
- Marvell International Ltd.
- Kui Cai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining read-head deviation using orth...
- Patent number 9,424,880
- Issue date Aug 23, 2016
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Grant
Information reproduction device and information reproduction method
- Patent number 9,367,716
- Issue date Jun 14, 2016
- NIDEC SANKYO CORPORATION
- Shigeo Nakajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Read channel sampling utilizing two quantization modules for increa...
- Patent number 9,281,007
- Issue date Mar 8, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Xuebin Wu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Timing error detector with diversity loop detector decision feedback
- Patent number 9,275,655
- Issue date Mar 1, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Bruce Wilson
- G11 - INFORMATION STORAGE
Information Patent Grant
High-rate reverse-order run-length-limited code
- Patent number 9,136,869
- Issue date Sep 15, 2015
- STMicroelectronics, Inc.
- Hakan C. Ozdemir
- G11 - INFORMATION STORAGE
Information Patent Grant
Channel bitword processor, PRML decoder, and optical information re...
- Patent number 9,070,412
- Issue date Jun 30, 2015
- Hitachi-LG Data Storage, Inc.
- Atsushi Kikugawa
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for generating soft-orthogonal syncmarks
- Patent number 8,976,477
- Issue date Mar 10, 2015
- LSI Corporation
- Eui Seok Hwang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive correcting an error in a detected gray code
- Patent number 8,917,469
- Issue date Dec 23, 2014
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Modulation coding for two-dimensional recording
- Patent number 8,885,277
- Issue date Nov 11, 2014
- Seagate Technology LLC
- Fatih Erden
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for controlled wedge spacing in a storage device
- Patent number 8,780,476
- Issue date Jul 15, 2014
- LSI Corporation
- Jeffrey P. Grundvig
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive servo address mark detection
- Patent number 8,755,138
- Issue date Jun 17, 2014
- LSI Corporation
- Dahua Qin
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for variable thresholding in a pattern detector
- Patent number 8,750,447
- Issue date Jun 10, 2014
- LSI Corporation
- Nenad Miladinovic
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for sample averaging in data processing
- Patent number 8,693,120
- Issue date Apr 8, 2014
- LSI Corporation
- Shaohua Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Parallel no-sync-mark retry
- Patent number 8,687,301
- Issue date Apr 1, 2014
- LSI Corporation
- Fan Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Offset loop for wobble
- Patent number 8,619,526
- Issue date Dec 31, 2013
- Marvell International Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Offset loop for wobble
- Patent number 8,619,525
- Issue date Dec 31, 2013
- Marvell International Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for sync mark detection metric computation
- Patent number 8,614,858
- Issue date Dec 24, 2013
- LSI Corporation
- Shaohua Yang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INCREASING STORAGE AREAL DENSITY USING PREDICTIVE DATA LOCATIONS
- Publication number 20190304489
- Publication date Oct 3, 2019
- ALIBABA GROUP HOLDING LIMITED
- Shu LI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND CONTROL METHOD OF MAGNETIC DISK DEVICE
- Publication number 20190259415
- Publication date Aug 22, 2019
- Kabushiki Kaisha Toshiba
- Satoshi KUWAHARA
- G11 - INFORMATION STORAGE
Information Patent Application
GROUPS OF PHASE INVARIANT CODEWORDS
- Publication number 20190123765
- Publication date Apr 25, 2019
- Hewlett-Packard Development Company, L.P.
- Matthew D. Gaubatz
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR DETERMINING READ-HEAD DEVIATION USING ORTH...
- Publication number 20190066721
- Publication date Feb 28, 2019
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Application
STORAGE DEVICE AND CONTROLLER
- Publication number 20180277158
- Publication date Sep 27, 2018
- Kabushiki Kaisha Toshiba
- Keiichi KISHINO
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR DETERMINING READ-HEAD DEVIATION USING ORTH...
- Publication number 20180122413
- Publication date May 3, 2018
- Marvell World Trade Ltd.
- Nitin Nangare
- G11 - INFORMATION STORAGE
Information Patent Application
Timing Error Detector with Diversity Loop Detector Decision Feedback
- Publication number 20140362463
- Publication date Dec 11, 2014
- LSI CORPORATION
- Bruce Wilson
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic On-Drive Sync-Mark Search and Threshold Adjustment
- Publication number 20140286149
- Publication date Sep 25, 2014
- LSI Corporation
- Rui Cao
- G11 - INFORMATION STORAGE
Information Patent Application
Ratio-Adjustable Sync Mark Detection System
- Publication number 20140237329
- Publication date Aug 21, 2014
- LSI Corporation
- Rui Cao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADAPTIVE SERVO ADDRESS MARK DETECTION
- Publication number 20140139939
- Publication date May 22, 2014
- LSI Corporation
- Dahua Qin
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH-RATE REVESE-ORDER RUN-LENGTH-LIMITED CODE
- Publication number 20140104714
- Publication date Apr 17, 2014
- STMicroelectronics, Inc.
- Hakan C. OZDEMIR
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Controlled Wedge Spacing in a Storage Device
- Publication number 20130077188
- Publication date Mar 28, 2013
- LSI CORPORATION
- Jeffrey P. Grundvig
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Sample Averaging in Data Processing
- Publication number 20120236429
- Publication date Sep 20, 2012
- LSI CORPORATION
- Shaohua Yang
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION MEDIUM, OPTICAL INFORMATION RECORDING/REPRODUCI...
- Publication number 20120230172
- Publication date Sep 13, 2012
- Takakiyo YASUKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR DIVERSITY COMBINED DATA DETECTION
- Publication number 20120197920
- Publication date Aug 2, 2012
- LSI CORPORATION
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD
- Publication number 20120198304
- Publication date Aug 2, 2012
- Kabushiki Kaisha Toshiba
- Yosuke Kondo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Sync Mark Detection Metric Computation
- Publication number 20120120784
- Publication date May 17, 2012
- LSI CORPORATION
- Shaohua Yang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Variable Thresholding in a Pattern Detector
- Publication number 20120106607
- Publication date May 3, 2012
- LSI CORPORATION
- Nenad Miladinovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECORDING MEDIUM, RECORDING METHOD, REPRODUCTION METHOD, RECORDING...
- Publication number 20120008474
- Publication date Jan 12, 2012
- PANASONIC CORPORATION
- Toyoji Gushima
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM FOR RECORDING DATA IN AN OPTICAL DISC
- Publication number 20110299368
- Publication date Dec 8, 2011
- Kabushiki Kaisha Toshiba
- Tomoyuki Maekawa
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS AND APPARATUS FOR SYNCHRONIZATION MARK DETECTION BASED ON A...
- Publication number 20110292535
- Publication date Dec 1, 2011
- Erich F. Haratsch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DI...
- Publication number 20110286315
- Publication date Nov 24, 2011
- PANASONIC CORPORATION
- YOSHIHO GOTOH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINATION OF TIMING BASED SERVO PATTERN TYPE
- Publication number 20110273793
- Publication date Nov 10, 2011
- International Business Machines Corporation
- NHAN X. BUI
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Data Recovery Using Enhanced Sync Mark Loca...
- Publication number 20110209026
- Publication date Aug 25, 2011
- LSI CORPORATION
- Haitao Xia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High-Speed Multi-Layer Optical Disc Recording
- Publication number 20110182162
- Publication date Jul 28, 2011
- Alan Bruce Hamersley
- G11 - INFORMATION STORAGE
Information Patent Application
DISC-SHAPED RECORDING MEDIUM, CUTTING APPARATUS FOR SAME, AND DISC...
- Publication number 20110134728
- Publication date Jun 9, 2011
- Sony Corporation
- Shinichiro IIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
FOCUS POSITION CONTROL APPARATUS, OPTICAL DISC APPARATUS USING THE...
- Publication number 20110085427
- Publication date Apr 14, 2011
- PANASONIC CORPORATION
- Kiyoshi MASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH-RATE REVERSE-ORDER RUN-LENGTH-LIMITED CODE
- Publication number 20110083054
- Publication date Apr 7, 2011
- STMicroelectronics, Inc.
- Hakan C. Ozdemir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHODS OF GENERATING A TEST PATTERN OF DATA, ANALYSI...
- Publication number 20110032631
- Publication date Feb 10, 2011
- Xyratex Technology Limited
- Keith Rowland Charles Brady
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR STORAGE DEVICE, SEMICONDUCTOR DEVICE AND OPTICAL DISC...
- Publication number 20110026385
- Publication date Feb 3, 2011
- Nobuyuki Nakai
- G11 - INFORMATION STORAGE

characterised by the use of two levels

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Circuits and methods for modifying the write current waveform to im...

Magnetic disk controlling device capable of tracking different serv...

Storage device and controller

Groups of phase invariant codewords

Increasing storage areal density using predictive data locations

Method and apparatus for determining read-head deviation using orth...

Groups of phase invariant codewords

Method and apparatus for determining read-head deviation using orth...

Method and apparatus for determining read-head deviation using orth...

Systems and methods for decoding using run-length limited (RLL) codes

Codes and techniques for magnetic recording

Systems and methods for controlling an audio signal path using redu...

Run-length limited (RLL) codes

Method and apparatus for determining read-head deviation using orth...

Information reproduction device and information reproduction method

Read channel sampling utilizing two quantization modules for increa...

Timing error detector with diversity loop detector decision feedback

High-rate reverse-order run-length-limited code

Channel bitword processor, PRML decoder, and optical information re...

System and method for generating soft-orthogonal syncmarks

Disk drive correcting an error in a detected gray code

Modulation coding for two-dimensional recording

Systems and methods for controlled wedge spacing in a storage device

Adaptive servo address mark detection

Systems and methods for variable thresholding in a pattern detector

Systems and methods for sample averaging in data processing

Parallel no-sync-mark retry

Offset loop for wobble

Offset loop for wobble

Systems and methods for sync mark detection metric computation

Patents Applicationslast 30 patents

INCREASING STORAGE AREAL DENSITY USING PREDICTIVE DATA LOCATIONS

MAGNETIC DISK DEVICE AND CONTROL METHOD OF MAGNETIC DISK DEVICE

GROUPS OF PHASE INVARIANT CODEWORDS

METHOD AND APPARATUS FOR DETERMINING READ-HEAD DEVIATION USING ORTH...

STORAGE DEVICE AND CONTROLLER

METHOD AND APPARATUS FOR DETERMINING READ-HEAD DEVIATION USING ORTH...

Timing Error Detector with Diversity Loop Detector Decision Feedback

Automatic On-Drive Sync-Mark Search and Threshold Adjustment

Ratio-Adjustable Sync Mark Detection System

ADAPTIVE SERVO ADDRESS MARK DETECTION

HIGH-RATE REVESE-ORDER RUN-LENGTH-LIMITED CODE

Systems and Methods for Controlled Wedge Spacing in a Storage Device

Systems and Methods for Sample Averaging in Data Processing

OPTICAL INFORMATION MEDIUM, OPTICAL INFORMATION RECORDING/REPRODUCI...

SYSTEMS AND METHODS FOR DIVERSITY COMBINED DATA DETECTION

INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD

Systems and Methods for Sync Mark Detection Metric Computation

Systems and Methods for Variable Thresholding in a Pattern Detector

RECORDING MEDIUM, RECORDING METHOD, REPRODUCTION METHOD, RECORDING...

SYSTEM FOR RECORDING DATA IN AN OPTICAL DISC

METHODS AND APPARATUS FOR SYNCHRONIZATION MARK DETECTION BASED ON A...

OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DI...

DETERMINATION OF TIMING BASED SERVO PATTERN TYPE

Systems and Methods for Data Recovery Using Enhanced Sync Mark Loca...

High-Speed Multi-Layer Optical Disc Recording

DISC-SHAPED RECORDING MEDIUM, CUTTING APPARATUS FOR SAME, AND DISC...

FOCUS POSITION CONTROL APPARATUS, OPTICAL DISC APPARATUS USING THE...

HIGH-RATE REVERSE-ORDER RUN-LENGTH-LIMITED CODE

APPARATUS AND METHODS OF GENERATING A TEST PATTERN OF DATA, ANALYSI...

SEMICONDUCTOR STORAGE DEVICE, SEMICONDUCTOR DEVICE AND OPTICAL DISC...