using test patterns

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CPC
G11B20/182

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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

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G11B20/182using test patterns

Industries

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Patents Grantslast 30 patents

Information Patent Grant
End-to-end fixity check for archival storage based on high-performa...
- Patent number 11,615,813
- Issue date Mar 28, 2023
- Quantum Corporation
- Turguy Goker
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device measuring HAMR media distributions
- Patent number 11,276,432
- Issue date Mar 15, 2022
- Western Digital Technologies, Inc.
- Pierre-Olivier Jubert
- G11 - INFORMATION STORAGE
Information Patent Grant
Control method for a memory device
- Patent number 11,169,894
- Issue date Nov 9, 2021
- NS Poles Technology Corp.
- Yu Chou Ke
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detecting damaged areas on magnetic tape based on measuring a numbe...
- Patent number 11,037,598
- Issue date Jun 15, 2021
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Detecting damaged areas on magnetic tape based on measuring a numbe...
- Patent number 11,031,041
- Issue date Jun 8, 2021
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Testing assembly for sealed hard disk drives
- Patent number 10,923,160
- Issue date Feb 16, 2021
- Seagate Technology LLC
- Noel Castaneda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage device manufacturing and associated block chain generation...
- Patent number 10,776,327
- Issue date Sep 15, 2020
- Seagate Technology LLC
- David R. Kaiser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for improved memory error rate estimation
- Patent number 10,613,927
- Issue date Apr 7, 2020
- TOSHIBA MEMORY CORPORATION
- David Malcolm Symons
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device calibrating data density based on amplitude-inv...
- Patent number 10,553,247
- Issue date Feb 4, 2020
- Western Digital Technologies, Inc.
- Mark A. Nichols
- G11 - INFORMATION STORAGE
Information Patent Grant
Detecting damaged areas on magnetic tape based on measuring number...
- Patent number 10,497,394
- Issue date Dec 3, 2019
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Changing bit spacing for selected symbols written to a magnetic rec...
- Patent number 10,482,918
- Issue date Nov 19, 2019
- Seagate Technology LLC
- Mehmet Fatih Erden
- G11 - INFORMATION STORAGE
Information Patent Grant
Simulating aged storage systems
- Patent number 10,311,912
- Issue date Jun 4, 2019
- EMC IP Holding Company, LLC
- Jayasekhar Konduru
- G11 - INFORMATION STORAGE
Information Patent Grant
Detecting damaged areas on magnetic tape based on measuring a numbe...
- Patent number 10,242,709
- Issue date Mar 26, 2019
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Skip track flaw scan methods and systems
- Patent number 10,210,899
- Issue date Feb 19, 2019
- Seagate Technology LLC
- Antonia Tsoukatos
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device capable of adjusting high frequency patte...
- Patent number 10,147,457
- Issue date Dec 4, 2018
- Kabushiki Kaisha Toshiba
- Tomokazu Okubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Health monitoring for head of a heat-magnetic recording device usin...
- Patent number 10,043,540
- Issue date Aug 7, 2018
- Seagate Technology LLC
- Won Choul Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device capable of implementing read after write
- Patent number 9,824,724
- Issue date Nov 21, 2017
- Kabushiki Kaisha Toshiba
- Katsuya Sugawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory test with in-line error correction code logic to test memory...
- Patent number 9,734,920
- Issue date Aug 15, 2017
- International Business Machines Corporation
- Kevin W. Gorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Shingled magnetic recording interband track pitch tuning
- Patent number 9,607,633
- Issue date Mar 28, 2017
- Seagate Technology LLC
- Jose Mari Corral Toribio
- G11 - INFORMATION STORAGE
Information Patent Grant
High frequency reference patterns used to determine head-to-media c...
- Patent number 9,595,278
- Issue date Mar 14, 2017
- Seagate Technology LLC
- Richard Edward Martin
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser adjustment during field operation of a heat-assisted magnetic...
- Patent number 9,589,587
- Issue date Mar 7, 2017
- Seagate Technology LLC
- Alfredo Sam Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive HAMR laser power data storage device
- Patent number 9,478,248
- Issue date Oct 25, 2016
- Seagate Technology LLC
- Michael A. Cordle
- G11 - INFORMATION STORAGE
Information Patent Grant
Unstable reader detection
- Patent number 9,336,807
- Issue date May 10, 2016
- Seagate Technology LLC
- Barmeshwar Vikramaditya
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-sensor media defect scan
- Patent number 9,305,596
- Issue date Apr 5, 2016
- Seagate Technology LLC
- Jon David Trantham
- G11 - INFORMATION STORAGE
Information Patent Grant
Quality evaluation method, information recording medium, optical di...
- Patent number 9,293,168
- Issue date Mar 22, 2016
- Hitachi Consumer Electronics Co., Ltd.
- Yoshitaka Morimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for testing data storage systems utilizing micro-...
- Patent number 9,218,847
- Issue date Dec 22, 2015
- HGST Netherlands B.V.
- Weldon Mark Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for evaluating bit error rate for a magnetic head by using a...
- Patent number 9,208,805
- Issue date Dec 8, 2015
- Sae Magnetics (H.K.) Ltd.
- Wai Bun Ow
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting media defects by writing opposite pol...
- Patent number 9,171,575
- Issue date Oct 27, 2015
- Western Digital Technologies, Inc.
- Michael Alex
- G11 - INFORMATION STORAGE
Information Patent Grant
MR-offset change detection and compensation
- Patent number 9,159,369
- Issue date Oct 13, 2015
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive calibrating failure threshold based on noise power effec...
- Patent number 9,053,747
- Issue date Jun 9, 2015
- Western Digitial Technologies, Inc.
- Baoliang Zhang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Modulation Code and ECC Rate Optimization Using Symbol Context Mutu...
- Publication number 20240265948
- Publication date Aug 8, 2024
- Western Digital Technologies, Inc.
- Iouri Oboukhov
- G11 - INFORMATION STORAGE
Information Patent Application
TESTING ASSEMBLY FOR SEALED HARD DISK DRIVES
- Publication number 20210005226
- Publication date Jan 7, 2021
- SEAGATE TECHNOLOGY LLC
- Noel Castaneda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE DEVICE MANUFACTURING AND ASSOCIATED BLOCK CHAIN GENERATION...
- Publication number 20200073970
- Publication date Mar 5, 2020
- SEAGATE TECHNOLOGY LLC
- David R. Kaiser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...
- Publication number 20200051591
- Publication date Feb 13, 2020
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...
- Publication number 20200051592
- Publication date Feb 13, 2020
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE CALIBRATING DATA DENSITY BASED ON AMPLITUDE-INV...
- Publication number 20190371362
- Publication date Dec 5, 2019
- Western Digital Technologies, Inc.
- Mark A. Nichols
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...
- Publication number 20190189155
- Publication date Jun 20, 2019
- International Business Machines Corporation
- Noriko Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
TESTING SYSTEM, TESTING METHOD, COMPUTER PROGRAM PRODUCT, AND NON-T...
- Publication number 20170150142
- Publication date May 25, 2017
- Rohde& Schwarz GmbH & Co. KG
- Felix Aumer
- G11 - INFORMATION STORAGE
Information Patent Application
LASER ADJUSTMENT DURING FIELD OPERATION OF A HEAT-ASSISTED MAGNETIC...
- Publication number 20170092318
- Publication date Mar 30, 2017
- SEAGATE TECHNOLOGY LLC
- Alfredo Sam Chu
- G11 - INFORMATION STORAGE
Information Patent Application
MEMORY TEST WITH IN-LINE ERROR CORRECTION CODE LOGIC
- Publication number 20160019981
- Publication date Jan 21, 2016
- International Business Machines Corporation
- Kevin W. GORMAN
- G11 - INFORMATION STORAGE
Information Patent Application
MULTI-SENSOR MEDIA DEFECT SCAN
- Publication number 20150279419
- Publication date Oct 1, 2015
- SEAGATE TECHNOLOGY LLC
- Jon David Trantham
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM AND METHOD FOR TESTING DATA STORAGE SYSTEMS UTILIZING MICRO-...
- Publication number 20150170707
- Publication date Jun 18, 2015
- HGST NETHERLANDS B.V.
- Weldon Mark HANSON
- G11 - INFORMATION STORAGE
Information Patent Application
CROSS-TRACK INTERFERENCE TESTING OF A HARD DISK DRIVE
- Publication number 20150124346
- Publication date May 7, 2015
- HGST NETHERLANDS B.V.
- Alexander Taratorin
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Media Defect Detection With Pattern Qualifi...
- Publication number 20140362462
- Publication date Dec 11, 2014
- Jefferson E. Singleton
- G11 - INFORMATION STORAGE
Information Patent Application
QUALITY EVALUATION METHOD, INFORMATION RECORDING MEDIUM, OPTICAL DI...
- Publication number 20140211601
- Publication date Jul 31, 2014
- Hitachi-LG Data Storage, Inc.
- Yoshitaka MORIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DISK DRIVE WITH METHOD FOR RECOVERY OF DATA FROM...
- Publication number 20140139942
- Publication date May 22, 2014
- HGST NETHERLANDS B.V.
- Michael Konrad Grobis
- G11 - INFORMATION STORAGE
Information Patent Application
Harmonic Ratio Based Defect Classifier
- Publication number 20140140182
- Publication date May 22, 2014
- LSI Corporation
- Scott M. Dziak
- G11 - INFORMATION STORAGE
Information Patent Application
MEMORY TEST WITH IN-LINE ERROR CORRECTION CODE LOGIC
- Publication number 20140143619
- Publication date May 22, 2014
- International Business Machines Corporation
- Kevin W. GORMAN
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR OPTICAL CALIBRATION
- Publication number 20140113064
- Publication date Apr 24, 2014
- SEAGATE TECHNOLOGY LLC
- Hamid Ghazvini
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC READ-WRITE INSPECTION APPARATUS AND MAGNETIC READ-WRITE IN...
- Publication number 20130258513
- Publication date Oct 3, 2013
- Hitachi High-Technologies Corporation
- Yoshihiro SAKURAI
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING THE QUALITY OF A STORAGE SYSTEM
- Publication number 20130155827
- Publication date Jun 20, 2013
- THOMSON LICENSING
- Dietmar Hepper
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR OPTICAL CALIBRATION
- Publication number 20130051206
- Publication date Feb 28, 2013
- Seagate Technology, LLC
- Hamid Ghazvini
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PARALLEL TEST PAYLOAD
- Publication number 20120281920
- Publication date Nov 8, 2012
- Robert Alan Ulichney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
EVALUATION METHOD OF PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MA...
- Publication number 20120194936
- Publication date Aug 2, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Chiyo Saito
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF TESTING DATA STORAGE DEVICES AND A GENDER THEREFOR
- Publication number 20120079194
- Publication date Mar 29, 2012
- Jong-hwan Lim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Adjusting Method For Recording Condition And Optical Disc Device
- Publication number 20120002527
- Publication date Jan 5, 2012
- Hiroyuki Minemura
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF EVALUATING REPRODUCE SIGNAL AND OPTICAL DISC DEVICE
- Publication number 20120002526
- Publication date Jan 5, 2012
- Hiroyuki MINEMURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
NONLINEARITY MEASUREMENT APPARATUS, NONLINEARITY MEASUREMENT METHOD...
- Publication number 20110317301
- Publication date Dec 29, 2011
- Kabushiki Kaisha Toshiba
- Hiroaki UENO
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR MEASURING A SIGNAL, METHOD OF TESTING WITH...
- Publication number 20110228660
- Publication date Sep 22, 2011
- XYRATEX TECHNOLOGY LIMITED
- Keith Brady
- G11 - INFORMATION STORAGE

using test patterns

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

End-to-end fixity check for archival storage based on high-performa...

Data storage device measuring HAMR media distributions

Control method for a memory device

Detecting damaged areas on magnetic tape based on measuring a numbe...

Detecting damaged areas on magnetic tape based on measuring a numbe...

Testing assembly for sealed hard disk drives

Storage device manufacturing and associated block chain generation...

System and method for improved memory error rate estimation

Data storage device calibrating data density based on amplitude-inv...

Detecting damaged areas on magnetic tape based on measuring number...

Changing bit spacing for selected symbols written to a magnetic rec...

Simulating aged storage systems

Detecting damaged areas on magnetic tape based on measuring a numbe...

Skip track flaw scan methods and systems

Magnetic recording device capable of adjusting high frequency patte...

Health monitoring for head of a heat-magnetic recording device usin...

Magnetic recording device capable of implementing read after write

Memory test with in-line error correction code logic to test memory...

Shingled magnetic recording interband track pitch tuning

High frequency reference patterns used to determine head-to-media c...

Laser adjustment during field operation of a heat-assisted magnetic...

Adaptive HAMR laser power data storage device

Unstable reader detection

Multi-sensor media defect scan

Quality evaluation method, information recording medium, optical di...

System and method for testing data storage systems utilizing micro-...

Method for evaluating bit error rate for a magnetic head by using a...

Data storage device detecting media defects by writing opposite pol...

MR-offset change detection and compensation

Disk drive calibrating failure threshold based on noise power effec...

Patents Applicationslast 30 patents

Modulation Code and ECC Rate Optimization Using Symbol Context Mutu...

TESTING ASSEMBLY FOR SEALED HARD DISK DRIVES

STORAGE DEVICE MANUFACTURING AND ASSOCIATED BLOCK CHAIN GENERATION...

DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...

DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...

DATA STORAGE DEVICE CALIBRATING DATA DENSITY BASED ON AMPLITUDE-INV...

DETECTING DAMAGED AREAS ON MAGNETIC TAPE MEDIA USING DIAGNOSTICS LO...

TESTING SYSTEM, TESTING METHOD, COMPUTER PROGRAM PRODUCT, AND NON-T...

LASER ADJUSTMENT DURING FIELD OPERATION OF A HEAT-ASSISTED MAGNETIC...

MEMORY TEST WITH IN-LINE ERROR CORRECTION CODE LOGIC

MULTI-SENSOR MEDIA DEFECT SCAN

SYSTEM AND METHOD FOR TESTING DATA STORAGE SYSTEMS UTILIZING MICRO-...

CROSS-TRACK INTERFERENCE TESTING OF A HARD DISK DRIVE

Systems and Methods for Media Defect Detection With Pattern Qualifi...

QUALITY EVALUATION METHOD, INFORMATION RECORDING MEDIUM, OPTICAL DI...

MAGNETIC RECORDING DISK DRIVE WITH METHOD FOR RECOVERY OF DATA FROM...

Harmonic Ratio Based Defect Classifier

MEMORY TEST WITH IN-LINE ERROR CORRECTION CODE LOGIC

METHOD AND SYSTEM FOR OPTICAL CALIBRATION

MAGNETIC READ-WRITE INSPECTION APPARATUS AND MAGNETIC READ-WRITE IN...

METHOD AND SYSTEM FOR DETERMINING THE QUALITY OF A STORAGE SYSTEM

METHOD AND SYSTEM FOR OPTICAL CALIBRATION

PARALLEL TEST PAYLOAD

REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATI...

EVALUATION METHOD OF PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MA...

METHOD OF TESTING DATA STORAGE DEVICES AND A GENDER THEREFOR

Adjusting Method For Recording Condition And Optical Disc Device

METHOD OF EVALUATING REPRODUCE SIGNAL AND OPTICAL DISC DEVICE

NONLINEARITY MEASUREMENT APPARATUS, NONLINEARITY MEASUREMENT METHOD...

METHOD AND APPARATUS FOR MEASURING A SIGNAL, METHOD OF TESTING WITH...