CN103310819B - 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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- CN103310819B CN103310819B CN201210424357.3A CN201210424357A CN103310819B CN 103310819 B CN103310819 B CN 103310819B CN 201210424357 A CN201210424357 A CN 201210424357A CN 103310819 B CN103310819 B CN 103310819B
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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)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/416,443 US8699161B2 (en) | 2012-03-09 | 2012-03-09 | Storage device having write signal with multiple-slope data transition |
| US13/416,443 | 2012-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103310819A CN103310819A (zh) | 2013-09-18 |
| CN103310819B true 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 (enExample) |
| EP (1) | EP2637171A3 (enExample) |
| JP (1) | JP2013186936A (enExample) |
| KR (1) | KR20130103285A (enExample) |
| CN (1) | CN103310819B (enExample) |
| TW (1) | TW201337915A (enExample) |
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 |
| JP7014943B2 (ja) * | 2016-04-14 | 2022-02-02 | 株式会社ロイヤルコーポレーション | 炭化水素油の増量方法、炭化水素油の製造方法、炭化水素油の増加量を推算する方法、炭化水素油の増加量を推算する方法を実行させるプログラム、及び、炭化水素油の増加量を推算する装置 |
| 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 |
| 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 |
| US10424323B1 (en) | 2016-12-30 | 2019-09-24 | Western Digital Technologies, Inc. | High-bandwidth STO bias architecture with integrated slider voltage potential control |
| 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 |
| US11087784B2 (en) | 2019-05-03 | 2021-08-10 | Western Digital Technologies, Inc. | Data storage devices with integrated slider voltage potential control |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449511A (zh) * | 2000-06-30 | 2003-10-15 | 陶氏化学公司 | 多变量矩阵处理控制 |
| 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 (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7905160A (nl) * | 1979-07-03 | 1981-01-06 | Philips Nv | Inrichting voor het weergeven van audiosignalen. |
| US4503396A (en) * | 1982-04-02 | 1985-03-05 | Ampex Corporation | Circuit and method for generating a ramp signal |
| 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 |
| US6201653B1 (en) | 1998-06-12 | 2001-03-13 | International Business Machines Corporation | By-pass write drivers for high-performance data recording |
| 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 |
| 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 |
| 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 |
| WO2010144456A1 (en) * | 2009-06-09 | 2010-12-16 | Analog Devices, Inc. | Integrated 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 Withdrawn
- 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449511A (zh) * | 2000-06-30 | 2003-10-15 | 陶氏化学公司 | 多变量矩阵处理控制 |
| 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 |
|---|---|
| CN103310819A (zh) | 2013-09-18 |
| US20130235485A1 (en) | 2013-09-12 |
| TW201337915A (zh) | 2013-09-16 |
| EP2637171A3 (en) | 2015-10-14 |
| US8699161B2 (en) | 2014-04-15 |
| EP2637171A2 (en) | 2013-09-11 |
| KR20130103285A (ko) | 2013-09-23 |
| JP2013186936A (ja) | 2013-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: INFINEON TECHNOLOGIES CORP. Effective date: 20150806 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |