JP2002015403A - ヘッド装置、ハードディスク装置および記録再生装置 - Google Patents
ヘッド装置、ハードディスク装置および記録再生装置Info
- Publication number
- JP2002015403A JP2002015403A JP2000197909A JP2000197909A JP2002015403A JP 2002015403 A JP2002015403 A JP 2002015403A JP 2000197909 A JP2000197909 A JP 2000197909A JP 2000197909 A JP2000197909 A JP 2000197909A JP 2002015403 A JP2002015403 A JP 2002015403A
- Authority
- JP
- Japan
- Prior art keywords
- head
- recording
- signal
- signal processing
- processing system
- 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.)
- Pending
Links
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
- G11B5/012—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
- 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
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- 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
-
- 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
- G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
-
- 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
- G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
- G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
- G11B2005/0018—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers by current biasing control or regulation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000197909A JP2002015403A (ja) | 2000-06-30 | 2000-06-30 | ヘッド装置、ハードディスク装置および記録再生装置 |
| KR1020010036312A KR100791904B1 (ko) | 2000-06-30 | 2001-06-25 | 헤드 장치, 하드 디스크 장치, 재생 장치 및 헤드부 지지 장치 |
| US09/892,999 US6762894B2 (en) | 2000-06-30 | 2001-06-28 | Head apparatus, hard disk apparatus and recording and playback apparatus |
| KR1020070090502A KR20070096998A (ko) | 2000-06-30 | 2007-09-06 | 헤드 장치, 하드 디스크 장치, 재생 장치 및 헤드부 지지장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000197909A JP2002015403A (ja) | 2000-06-30 | 2000-06-30 | ヘッド装置、ハードディスク装置および記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002015403A true JP2002015403A (ja) | 2002-01-18 |
| JP2002015403A5 JP2002015403A5 (enExample) | 2007-04-19 |
Family
ID=18696170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000197909A Pending JP2002015403A (ja) | 2000-06-30 | 2000-06-30 | ヘッド装置、ハードディスク装置および記録再生装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6762894B2 (enExample) |
| JP (1) | JP2002015403A (enExample) |
| KR (2) | KR100791904B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3883037B2 (ja) * | 2001-02-28 | 2007-02-21 | 株式会社日立製作所 | 媒体記録再生システム |
| US7715136B2 (en) * | 2006-04-11 | 2010-05-11 | Texas Instruments Incorporated | Hard disk drive preamplifier with reduced pin count |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244802A (ja) * | 1994-03-08 | 1995-09-19 | Hitachi Ltd | 磁気記録再生装置 |
| JPH11273012A (ja) * | 1998-03-20 | 1999-10-08 | Fujitsu Ltd | 記憶装置 |
| JP2000020932A (ja) * | 1998-07-03 | 2000-01-21 | Hitachi Ltd | 磁気ディスク装置 |
| JP2000113403A (ja) * | 1998-10-06 | 2000-04-21 | Hitachi Ltd | 磁気ディスク装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3001466B2 (ja) * | 1997-06-27 | 2000-01-24 | 日本電気アイシーマイコンシステム株式会社 | 磁気記録装置の駆動回路 |
| JP4019333B2 (ja) * | 1998-02-13 | 2007-12-12 | 富士通株式会社 | ヘッドic回路及び記録装置 |
-
2000
- 2000-06-30 JP JP2000197909A patent/JP2002015403A/ja active Pending
-
2001
- 2001-06-25 KR KR1020010036312A patent/KR100791904B1/ko not_active Expired - Fee Related
- 2001-06-28 US US09/892,999 patent/US6762894B2/en not_active Expired - Fee Related
-
2007
- 2007-09-06 KR KR1020070090502A patent/KR20070096998A/ko not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244802A (ja) * | 1994-03-08 | 1995-09-19 | Hitachi Ltd | 磁気記録再生装置 |
| JPH11273012A (ja) * | 1998-03-20 | 1999-10-08 | Fujitsu Ltd | 記憶装置 |
| JP2000020932A (ja) * | 1998-07-03 | 2000-01-21 | Hitachi Ltd | 磁気ディスク装置 |
| JP2000113403A (ja) * | 1998-10-06 | 2000-04-21 | Hitachi Ltd | 磁気ディスク装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020001149A1 (en) | 2002-01-03 |
| KR20020002233A (ko) | 2002-01-09 |
| KR20070096998A (ko) | 2007-10-02 |
| US6762894B2 (en) | 2004-07-13 |
| KR100791904B1 (ko) | 2008-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4321437B2 (ja) | 磁気ディスクメモリ装置 | |
| KR101259368B1 (ko) | 하드 디스크 드라이브 전치 증폭기용 복합 출력 스테이지 | |
| US7626777B2 (en) | Variable threshold bipolar signal peak detector | |
| US6487034B1 (en) | Write head fault detection with small threshold | |
| JP3623650B2 (ja) | 記憶装置 | |
| JP2002015403A (ja) | ヘッド装置、ハードディスク装置および記録再生装置 | |
| US7573331B2 (en) | Low power low noise amplifier for a magnetoresistive sensor | |
| US10147455B1 (en) | Sensor circuit supporting multiple transducers with dedicated and shared terminals | |
| US6724556B2 (en) | Single pole voltage bias loop for increased stability | |
| US7099098B2 (en) | Preamplifier circuit and method for a disk drive device | |
| US20030193731A1 (en) | Balanced MR head bias technique for magneto-resistive preamplifier operating in a single supply environment | |
| JP2002304701A (ja) | 再生アンプおよびこれを用いた磁気記録再生装置 | |
| JP2008054075A (ja) | 半導体集積回路及びそれを用いた磁気記憶装置 | |
| US6798601B2 (en) | Impact detecting circuit, impact detecting apparatus, and recording and reproducing apparatus including same | |
| US6728056B2 (en) | Current stealing circuit to control the impedance of a TGMR head amplifier biasing circuit regardless of whether the head amplifier is turned on | |
| US6307693B1 (en) | Integration of filter into read/write preamplifier integrated circuit | |
| JP3816002B2 (ja) | 磁気ディスク装置 | |
| KR100192597B1 (ko) | 하드디스크 드라이버 장치의 증폭회로 | |
| JP2558795B2 (ja) | フロッピーディスクドライブ装置 | |
| JP2004241043A (ja) | 磁気ディスクメモリ装置と書き込み方法 | |
| US20070019317A1 (en) | System partitioning for hard disk drive electronics | |
| JP2005116103A (ja) | 磁気記録再生装置 | |
| JPH09251602A (ja) | ディスク記録再生装置及びそれに適用するデータ再生装置 | |
| JPH04295602A (ja) | 磁気ヘッド駆動回路 | |
| JPH11328926A (ja) | 磁気記録再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070305 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070305 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080515 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090224 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090423 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20091007 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20091014 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100413 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100614 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20101221 |