KR100810829B1 - 자기 정보 저장 장치 및 집적 회로 - Google Patents
자기 정보 저장 장치 및 집적 회로 Download PDFInfo
- Publication number
- KR100810829B1 KR100810829B1 KR1020017006612A KR20017006612A KR100810829B1 KR 100810829 B1 KR100810829 B1 KR 100810829B1 KR 1020017006612 A KR1020017006612 A KR 1020017006612A KR 20017006612 A KR20017006612 A KR 20017006612A KR 100810829 B1 KR100810829 B1 KR 100810829B1
- Authority
- KR
- South Korea
- Prior art keywords
- read
- gain
- storage device
- write
- information storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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Images
Classifications
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59694—System adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
-
- 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
- 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
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B5/027—Analogue recording
- G11B5/035—Equalising
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/407,775 US6424480B1 (en) | 1999-09-28 | 1999-09-28 | Magnetic medium storage apparatus with read channel having a programmable write-to-read suppression |
| US09/407,775 | 1999-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010087400A KR20010087400A (ko) | 2001-09-15 |
| KR100810829B1 true KR100810829B1 (ko) | 2008-03-06 |
Family
ID=23613476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020017006612A Ceased KR100810829B1 (ko) | 1999-09-28 | 2000-09-21 | 자기 정보 저장 장치 및 집적 회로 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6424480B1 (https=) |
| EP (1) | EP1141955A1 (https=) |
| JP (1) | JP2003510750A (https=) |
| KR (1) | KR100810829B1 (https=) |
| WO (1) | WO2001024178A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6518839B2 (en) * | 2000-06-28 | 2003-02-11 | Texas Instrumetns Incorporated | Method and apparatus for effecting programmable gain amplification |
| US6621649B1 (en) * | 2000-11-10 | 2003-09-16 | Texas Instruments Incorporated | Write-to-read switching improvement for differential preamplifier circuits in hard disk drive systems |
| US7292400B2 (en) * | 2001-04-23 | 2007-11-06 | Seagate Technology Llc | Device for limiting current in a sensor |
| US6724556B2 (en) * | 2001-06-29 | 2004-04-20 | Texas Instruments Incorporated | Single pole voltage bias loop for increased stability |
| US7106541B2 (en) | 2001-09-14 | 2006-09-12 | Convergent Systems Solutions, Llc | Digital device configuration and method |
| US6973535B2 (en) * | 2001-09-14 | 2005-12-06 | Cornice, Inc. | Digital device configuration and method |
| US6700427B1 (en) * | 2002-08-28 | 2004-03-02 | Adam J. Sherman | Wideband DC-accurate series resistance compensator |
| US7480347B2 (en) * | 2003-09-11 | 2009-01-20 | Xilinx, Inc. | Analog front-end having built-in equalization and applications thereof |
| US7756279B2 (en) * | 2003-10-14 | 2010-07-13 | Audioasics A/S | Microphone preamplifier |
| CN100581032C (zh) * | 2003-12-01 | 2010-01-13 | 音频专用集成电路公司 | 具有电压泵的麦克风 |
| US7339760B2 (en) * | 2004-01-30 | 2008-03-04 | Agere Systems Inc. | Integrated bias and offset recovery amplifier |
| US7697600B2 (en) * | 2005-07-14 | 2010-04-13 | Altera Corporation | Programmable receiver equalization circuitry and methods |
| US7701654B2 (en) * | 2005-09-23 | 2010-04-20 | Agere Systems Inc. | Apparatus and method for controlling common mode voltage of a disk drive write head |
| US7667914B2 (en) * | 2006-04-17 | 2010-02-23 | Hitachi Global Storage Technologies Netherlands B.V. | Direct coupled wide-bandwidth front-end with smart bias control amplifier |
| JP2010108560A (ja) * | 2008-10-31 | 2010-05-13 | Toshiba Storage Device Corp | 信号増幅装置、記憶装置 |
| US9240199B2 (en) * | 2014-03-12 | 2016-01-19 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems and methods for distortion characterization |
| US10715358B1 (en) * | 2018-11-29 | 2020-07-14 | Xilinx, Inc. | Circuit for and method of receiving signals in an integrated circuit device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104669A (ja) * | 1992-09-22 | 1994-04-15 | Nec Corp | 自動利得制御回路及びこれを用いたデータ記憶装置 |
| US5416646A (en) * | 1992-11-12 | 1995-05-16 | Kabushiki Kaisha Toshiba | Data recording and reproducing apparatus having read/write circuit with programmable parameter means |
| EP0822554A2 (en) * | 1996-08-01 | 1998-02-04 | Nec Corporation | Method and apparatus for adaptively processing the readback signal in a read channel device for digital storage |
| US5768320A (en) * | 1995-09-05 | 1998-06-16 | Analog Devices, Inc. | Read system for implementing PR4 and higher order PRML signals |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04328976A (ja) * | 1991-04-27 | 1992-11-17 | Rohm Co Ltd | アクティブフィルタの特性切り換え回路 |
| JP2625609B2 (ja) * | 1991-07-10 | 1997-07-02 | インターナショナル・ビジネス・マシーンズ・コーポレイション | ディスク記憶装置 |
| FR2694469B1 (fr) * | 1992-07-31 | 1994-10-28 | Sgs Thomson Microelectronics | Dispositif de commutation écriture/lecture d'une tête de magnétoscope. |
| DE69428678T2 (de) | 1993-10-06 | 2002-07-11 | Koninklijke Philips Electronics N.V., Eindhoven | Vorrichtung zum auslesen von informationen von einer spur eines aufzeichnungsträgers |
| US6172548B1 (en) * | 1994-12-30 | 2001-01-09 | Stmicroelectronics, Inc. | Input stage with reduced transient time for use in multiplexing transducers that require a switched DC bias |
| US6219194B1 (en) * | 1999-04-09 | 2001-04-17 | Guzik Technical Enterprises | MR head read amplifier with improved write to read recovery time |
-
1999
- 1999-09-28 US US09/407,775 patent/US6424480B1/en not_active Expired - Fee Related
-
2000
- 2000-09-21 KR KR1020017006612A patent/KR100810829B1/ko not_active Ceased
- 2000-09-21 EP EP00977407A patent/EP1141955A1/en not_active Withdrawn
- 2000-09-21 JP JP2001527280A patent/JP2003510750A/ja not_active Withdrawn
- 2000-09-21 WO PCT/EP2000/009224 patent/WO2001024178A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104669A (ja) * | 1992-09-22 | 1994-04-15 | Nec Corp | 自動利得制御回路及びこれを用いたデータ記憶装置 |
| US5416646A (en) * | 1992-11-12 | 1995-05-16 | Kabushiki Kaisha Toshiba | Data recording and reproducing apparatus having read/write circuit with programmable parameter means |
| US5768320A (en) * | 1995-09-05 | 1998-06-16 | Analog Devices, Inc. | Read system for implementing PR4 and higher order PRML signals |
| EP0822554A2 (en) * | 1996-08-01 | 1998-02-04 | Nec Corporation | Method and apparatus for adaptively processing the readback signal in a read channel device for digital storage |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1141955A1 (en) | 2001-10-10 |
| WO2001024178A1 (en) | 2001-04-05 |
| JP2003510750A (ja) | 2003-03-18 |
| KR20010087400A (ko) | 2001-09-15 |
| US6424480B1 (en) | 2002-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20010526 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20050921 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20070622 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20071130 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20080228 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20080228 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| EXTG | Ip right invalidated | ||
| PC2102 | Extinguishment |