CN103310819A - 包含具有多斜率数据转变的写信号的存储器件 - Google Patents
包含具有多斜率数据转变的写信号的存储器件 Download PDFInfo
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- CN103310819A CN103310819A CN2012104243573A CN201210424357A CN103310819A CN 103310819 A CN103310819 A CN 103310819A CN 2012104243573 A CN2012104243573 A CN 2012104243573A CN 201210424357 A CN201210424357 A CN 201210424357A CN 103310819 A CN103310819 A CN 103310819A
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Images
Classifications
-
- G—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
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- G—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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/416,443 | 2012-03-09 | ||
US13/416,443 US8699161B2 (en) | 2012-03-09 | 2012-03-09 | Storage device having write signal with multiple-slope data transition |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103310819A true CN103310819A (zh) | 2013-09-18 |
CN103310819B CN103310819B (zh) | 2016-12-28 |
Family
ID=47845817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210424357.3A Active CN103310819B (zh) | 2012-03-09 | 2012-10-30 | 包含具有多斜率数据转变的写信号的存储器件 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8699161B2 (zh) |
EP (1) | EP2637171A3 (zh) |
JP (1) | JP2013186936A (zh) |
KR (1) | KR20130103285A (zh) |
CN (1) | CN103310819B (zh) |
TW (1) | TW201337915A (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8873188B2 (en) * | 2013-02-28 | 2014-10-28 | Lsi Corporation | Storage device having degauss circuitry configured for generating degauss signal with asymmetric decay envelopes |
US9525405B2 (en) | 2015-01-09 | 2016-12-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Mitigation of common mode disturbances in an H-bridge driver |
US20200377813A1 (en) * | 2016-04-14 | 2020-12-03 | Royal Corporation Co., Ltd. | Method for increasing amount of hydrocarbon oil, method for producing hydrocarbon oil, method for estimating increase amount of hydrocarbon oil, program for executing method for estimating increase amount of hydrocarbon oil, and device for estimating increase amount of hydrocarbon oil |
US10366714B1 (en) | 2016-04-28 | 2019-07-30 | Western Digital Technologies, Inc. | Magnetic write head for providing spin-torque-assisted write field enhancement |
JP6629160B2 (ja) * | 2016-09-26 | 2020-01-15 | 株式会社東芝 | 磁気記録再生装置および磁気記録再生装置の制御方法 |
US10424323B1 (en) | 2016-12-30 | 2019-09-24 | Western Digital Technologies, Inc. | High-bandwidth STO bias architecture with integrated slider voltage potential control |
US10388305B1 (en) | 2016-12-30 | 2019-08-20 | Western Digital Technologies, Inc. | Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field |
JP2019029047A (ja) | 2017-08-01 | 2019-02-21 | 株式会社東芝 | 磁気記録装置および記録電流制御装置 |
US11011190B2 (en) | 2019-04-24 | 2021-05-18 | Western Digital Technologies, Inc. | Magnetic write head with write-field enhancement structure including a magnetic notch |
US10957346B2 (en) | 2019-05-03 | 2021-03-23 | Western Digital Technologies, Inc. | Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses |
US11087784B2 (en) | 2019-05-03 | 2021-08-10 | Western Digital Technologies, Inc. | Data storage devices with integrated slider voltage potential control |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376292A (en) * | 1979-07-03 | 1983-03-08 | U.S. Philips Corporation | Apparatus for erasing and reproducing audio signals |
US4503396A (en) * | 1982-04-02 | 1985-03-05 | Ampex Corporation | Circuit and method for generating a ramp signal |
US6201653B1 (en) * | 1998-06-12 | 2001-03-13 | International Business Machines Corporation | By-pass write drivers for high-performance data recording |
CN1449511A (zh) * | 2000-06-30 | 2003-10-15 | 陶氏化学公司 | 多变量矩阵处理控制 |
CN1553436A (zh) * | 2003-05-30 | 2004-12-08 | 深圳易拓科技有限公司 | 磁盘驱动器组合 |
CN1629600A (zh) * | 2003-12-17 | 2005-06-22 | 联发科技股份有限公司 | 光储存装置的位移增益值量测方法及相关装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5612828A (en) | 1995-09-11 | 1997-03-18 | Vtc Inc. | Write driver with improvements for risetime |
US6246269B1 (en) | 1998-04-06 | 2001-06-12 | Agere Systems Guardian Corp. | Programmable damping for write circuits |
US6246533B1 (en) | 1998-07-13 | 2001-06-12 | Agilent Technologies, Inc. | Programmable write driver circuit for writing information to a magnetic storage media |
US6366421B2 (en) | 1998-12-17 | 2002-04-02 | Texas Instruments Incorporated | Adjustable writer overshoot for a hard disk drive write head |
US6683740B1 (en) | 1999-10-21 | 2004-01-27 | Sony Corporation | Architecture for a hard disk drive write amplifier circuit with damping control |
US6381086B1 (en) | 2000-10-23 | 2002-04-30 | Agere Systems Guardian Corp. | Programmable active damping for high-speed write driver |
US6798591B2 (en) | 2001-10-29 | 2004-09-28 | Texas Instruments Incorporated | Reference circuit for write driver circuit with programmable write current, overshoot duration and overshoot amplitude control |
TW200608376A (en) * | 2004-08-18 | 2006-03-01 | Lite On It Corp | Method for controlling tilt angle between light axis of optical pickup head and CD and device thereof |
KR100618867B1 (ko) | 2004-10-05 | 2006-08-31 | 삼성전자주식회사 | 하드디스크 드라이브의 기록 파라메터 보정값 산출 방법및 이에 적합한 기록매체 |
US20080002267A1 (en) | 2006-06-29 | 2008-01-03 | Eun Kyu Jang | Method and apparatus for slew rate control in the write current shape of a hard disk drive |
WO2009025664A1 (en) | 2007-08-20 | 2009-02-26 | Agere Systems Inc. | Data storage drive with reduced power consumption |
US8330324B2 (en) * | 2009-06-09 | 2012-12-11 | Analog Devices, Inc. | Integrated PWM slope control driving mechanism for gradually delivering energy to a capacitive load |
US8421510B2 (en) | 2010-06-15 | 2013-04-16 | Texas Instruments Incorporated | Low voltage high-speed wave shaping circuitry |
US8049982B1 (en) | 2010-07-30 | 2011-11-01 | Lsi Corporation | Methods and apparatus for measuring servo address mark distance in a read channel using selective fine phase estimate |
-
2012
- 2012-03-09 US US13/416,443 patent/US8699161B2/en active Active
- 2012-10-02 TW TW101136383A patent/TW201337915A/zh unknown
- 2012-10-30 CN CN201210424357.3A patent/CN103310819B/zh active Active
- 2012-11-07 KR KR1020120125506A patent/KR20130103285A/ko not_active Application Discontinuation
- 2012-11-15 JP JP2012250785A patent/JP2013186936A/ja not_active Withdrawn
-
2013
- 2013-03-11 EP EP13158612.5A patent/EP2637171A3/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376292A (en) * | 1979-07-03 | 1983-03-08 | U.S. Philips Corporation | Apparatus for erasing and reproducing audio signals |
US4503396A (en) * | 1982-04-02 | 1985-03-05 | Ampex Corporation | Circuit and method for generating a ramp signal |
US6201653B1 (en) * | 1998-06-12 | 2001-03-13 | International Business Machines Corporation | By-pass write drivers for high-performance data recording |
CN1449511A (zh) * | 2000-06-30 | 2003-10-15 | 陶氏化学公司 | 多变量矩阵处理控制 |
CN1553436A (zh) * | 2003-05-30 | 2004-12-08 | 深圳易拓科技有限公司 | 磁盘驱动器组合 |
CN1629600A (zh) * | 2003-12-17 | 2005-06-22 | 联发科技股份有限公司 | 光储存装置的位移增益值量测方法及相关装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2637171A3 (en) | 2015-10-14 |
EP2637171A2 (en) | 2013-09-11 |
CN103310819B (zh) | 2016-12-28 |
KR20130103285A (ko) | 2013-09-23 |
TW201337915A (zh) | 2013-09-16 |
JP2013186936A (ja) | 2013-09-19 |
US20130235485A1 (en) | 2013-09-12 |
US8699161B2 (en) | 2014-04-15 |
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Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: INFINEON TECHNOLOGIES CORP. Effective date: 20150806 |
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Effective date of registration: 20150806 Address after: Singapore Singapore Applicant after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: California, USA Applicant before: LSI Corp. |
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Effective date of registration: 20181019 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies General IP (Singapore) Pte. Ltd. |
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