DE69526271T2 - Vorrichtung und Verfahren zur Steuerung einer magnetischen Platteneinheit - Google Patents
Vorrichtung und Verfahren zur Steuerung einer magnetischen PlatteneinheitInfo
- Publication number
- DE69526271T2 DE69526271T2 DE69526271T DE69526271T DE69526271T2 DE 69526271 T2 DE69526271 T2 DE 69526271T2 DE 69526271 T DE69526271 T DE 69526271T DE 69526271 T DE69526271 T DE 69526271T DE 69526271 T2 DE69526271 T2 DE 69526271T2
- Authority
- DE
- Germany
- Prior art keywords
- controlling
- magnetic disk
- disk unit
- unit
- magnetic
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/18—Supporting the heads; Supporting the sockets for plug-in heads while the head is moving
-
- 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
- G11B5/03—Biasing
-
- 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
- G11B5/488—Disposition of heads
- G11B5/4886—Disposition of heads relative to rotating disc
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5547—"Seek" control and 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
- G11B5/48—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
- G11B5/59683—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 for magnetoresistive heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- 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
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
-
- 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
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
-
- 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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06024697A JP3135447B2 (ja) | 1994-01-27 | 1994-01-27 | 磁気ディスクドライブの制御方法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69526271D1 DE69526271D1 (de) | 2002-05-16 |
DE69526271T2 true DE69526271T2 (de) | 2002-08-08 |
Family
ID=12145374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69526271T Expired - Fee Related DE69526271T2 (de) | 1994-01-27 | 1995-01-04 | Vorrichtung und Verfahren zur Steuerung einer magnetischen Platteneinheit |
Country Status (5)
Country | Link |
---|---|
US (2) | US5956200A (de) |
EP (3) | EP1267331A3 (de) |
JP (1) | JP3135447B2 (de) |
KR (1) | KR100206025B1 (de) |
DE (1) | DE69526271T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3072014B2 (ja) * | 1995-02-10 | 2000-07-31 | 富士通株式会社 | 記憶装置 |
JP3246374B2 (ja) | 1997-01-13 | 2002-01-15 | 株式会社日立製作所 | 磁気抵抗効果型素子を用いた磁気記録装置 |
US6115201A (en) * | 1997-10-16 | 2000-09-05 | Seagate Technology, Inc. | Disc drive head bias current optimization |
US6141165A (en) * | 1997-10-16 | 2000-10-31 | Seagate Technology, Inc. | Head switching sequence in a disc drive employing head bias currents |
JP3080364B2 (ja) * | 1997-12-25 | 2000-08-28 | インターナショナル・ビジネス・マシーンズ・コーポレ−ション | ディスクドライブ装置、シーク制御装置 |
KR100518512B1 (ko) | 1998-01-15 | 2005-11-25 | 삼성전자주식회사 | 리드 바이어스 전류 설정 방법 |
KR100515720B1 (ko) | 1998-02-21 | 2005-11-29 | 삼성전자주식회사 | 리드/라이트 채널인자 최적화방법 |
KR100562146B1 (ko) | 1998-03-04 | 2006-05-25 | 삼성전자주식회사 | 엠.알-바이어스 전류 최적화방법 |
JP2000195023A (ja) * | 1998-12-25 | 2000-07-14 | Toshiba Corp | ヘッドサスペンションアセンブリ及び同アセンブリを搭載した磁気ディスク装置 |
JP4026989B2 (ja) | 1999-07-08 | 2007-12-26 | 富士通株式会社 | 磁気ディスク装置および最適オフセット測定方法 |
US6788489B1 (en) * | 2000-05-09 | 2004-09-07 | Hitachi Global Storage Technologies Netherlands B.V. | Employing off-track capability in data access operations in a direct access storage device |
US6778347B2 (en) * | 2000-11-20 | 2004-08-17 | Seagate Technology Llc | Load balancing circuit for a dual polarity power supply with single polarity voltage regulation |
US6687078B1 (en) | 2001-02-28 | 2004-02-03 | Western Digital Technologies, Inc. | Disk drive for writing micro-jog values along the centerline of a reserved track and for writing user data offset from the centerline of a data track |
US7224548B1 (en) | 2002-01-04 | 2007-05-29 | Maxtor Corporation | Determining contact write current in disk drive using position error signal variance |
US7027251B1 (en) | 2002-01-04 | 2006-04-11 | Maxtor Corporation | Method and apparatus to control pole tip protrusion |
EP1333427A3 (de) * | 2002-01-31 | 2008-04-30 | Texas Instruments Incorporated | Schaltung zum Lesen von differentialen Daten einer Platte mittels Spannungsanlegen zur Vorspannung eines Lesekopfes |
US7023645B1 (en) * | 2002-05-03 | 2006-04-04 | Maxtor Corporation | Read error recovery method and apparatus |
US6917485B2 (en) | 2003-02-05 | 2005-07-12 | Seagate Technology Llc | Dynamic head switch timing recalibration apparatus and method |
JP2004326969A (ja) * | 2003-04-25 | 2004-11-18 | Toshiba Corp | ディスク記憶装置及びリードエラー回復方法 |
US20070097806A1 (en) * | 2005-11-03 | 2007-05-03 | Maxtor Corporation | Disk drive that compensates for track radial pitch variation and methods thereof |
JP2008108312A (ja) * | 2006-10-24 | 2008-05-08 | Fujitsu Ltd | データ読み出し方法ならびに記憶装置 |
JP4948382B2 (ja) | 2006-12-22 | 2012-06-06 | キヤノン株式会社 | 感光ドラム取り付け用カップリング部材 |
US7974036B2 (en) * | 2008-08-19 | 2011-07-05 | Seagate Technology Llc | Time-shifted bits for write synchronization correction |
US8848310B2 (en) * | 2013-01-04 | 2014-09-30 | Seagate Technology Llc | Offset correction values on a data storage media |
US11341989B2 (en) | 2020-09-30 | 2022-05-24 | Seagate Technology Llc | Read head stress reduction |
US11386921B2 (en) | 2020-09-30 | 2022-07-12 | Seagate Technology Llc | Read head stress reduction |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54139515A (en) * | 1978-04-20 | 1979-10-30 | Matsushita Electric Ind Co Ltd | Magnetic recorder-reproducer |
US4484237A (en) * | 1981-01-14 | 1984-11-20 | Nippon Gakki Seizo Kabushiki Kaisha | Apparatus for automatically setting the optimum performance characteristics of a tape recorder |
US4611253A (en) * | 1983-06-28 | 1986-09-09 | Pioneer Electronic Corporation | Magnetic recording and reproducing device |
JPH0756725B2 (ja) * | 1983-07-29 | 1995-06-14 | ティアツク株式会社 | ディスク駆動装置 |
JPS60129969A (ja) * | 1983-12-16 | 1985-07-11 | Hitachi Ltd | デ−タ読出書込回路 |
US4737867A (en) * | 1984-02-03 | 1988-04-12 | Brother Kogyo Kabushiki Kaisha | Power saving arrangement in information recording system |
JPS60185254A (ja) * | 1984-03-02 | 1985-09-20 | Teac Co | デイスク駆動装置 |
JPS61208127A (ja) * | 1985-03-11 | 1986-09-16 | Nec Corp | マイクロプログラム制御装置 |
JPS61276110A (ja) * | 1985-05-30 | 1986-12-06 | Nec Corp | 磁気抵抗効果型磁気ヘツド |
JPS6187207A (ja) * | 1985-10-11 | 1986-05-02 | Hitachi Ltd | 磁気記憶装置 |
JPS62140283A (ja) * | 1985-12-13 | 1987-06-23 | Fujitsu Ltd | 磁気デイスク装置 |
JPS63171369A (ja) * | 1987-01-10 | 1988-07-15 | Kenwood Corp | 電位差測定装置 |
US4821125A (en) * | 1986-06-11 | 1989-04-11 | International Business Machines Corporation | Compensation of write current adn delta-V for recording component and radial position |
JPS6314369A (ja) * | 1986-07-04 | 1988-01-21 | Nec Corp | 磁気デイスク装置 |
JPS6371981A (ja) * | 1986-09-16 | 1988-04-01 | Hitachi Ltd | フロツピデイスク制御方式 |
US4802033A (en) * | 1986-11-07 | 1989-01-31 | Eastman Kodak Company | Predictive positioning offset compensation for high TPI disk systems |
JP2509626B2 (ja) * | 1987-07-03 | 1996-06-26 | 株式会社東芝 | 磁気記録再生装置 |
US4969059A (en) * | 1988-03-28 | 1990-11-06 | Rigidyne Corporation | Offset nulling system for computer disk drives |
JP2636449B2 (ja) * | 1988-12-27 | 1997-07-30 | 日本電気株式会社 | マイクロコンピュータ |
JPH0337875A (ja) * | 1989-07-04 | 1991-02-19 | Toshiba Corp | データ記録再生装置のヘッド駆動制御装置 |
JPH0363981A (ja) * | 1989-07-31 | 1991-03-19 | Canon Inc | 情報記録再生装置 |
US5073833A (en) * | 1989-11-13 | 1991-12-17 | International Business Machines Corporation | Dual sector servo system for disk file with separate read and write heads |
JPH03186073A (ja) * | 1989-12-15 | 1991-08-14 | Olympus Optical Co Ltd | 情報記録・再生装置 |
US5253131A (en) * | 1990-03-06 | 1993-10-12 | Maxtor Corporation | Servo pattern for location and positioning of information on a disk drive |
JP2907925B2 (ja) * | 1990-03-12 | 1999-06-21 | 富士通株式会社 | ディスク装置 |
JPH04232610A (ja) * | 1990-10-02 | 1992-08-20 | Internatl Business Mach Corp <Ibm> | 情報の読み取り・書き込み装置 |
JP2642518B2 (ja) * | 1990-12-21 | 1997-08-20 | 富士通株式会社 | 磁気ヘッド位置信号のオフセット補正方式 |
JP2610373B2 (ja) * | 1991-01-30 | 1997-05-14 | 株式会社東芝 | 磁気記録再生装置 |
JP2845352B2 (ja) * | 1991-02-12 | 1999-01-13 | 日本電信電話株式会社 | Atm網における交換機の呼受付制御装置 |
US5257149A (en) * | 1991-02-13 | 1993-10-26 | Seagate Technology, Inc. | Disc drive with offset address field |
US5367411A (en) * | 1991-08-02 | 1994-11-22 | Hitachi, Ltd. | Magnetic recording and reproducing apparatus with reproducing head of magnetoresistive type having control of magnetic bias level |
US5430584A (en) * | 1991-10-18 | 1995-07-04 | International Microelectronic Products | Disk drive interface combining a magneto-resistive read and inductive write circuits |
JPH05114259A (ja) * | 1991-10-23 | 1993-05-07 | Sony Corp | 記録再生装置 |
US5345347A (en) * | 1992-02-18 | 1994-09-06 | Western Digital Corporation | Disk drive with reduced power modes |
JPH05242617A (ja) * | 1992-02-28 | 1993-09-21 | Nec Corp | 磁気ディスク装置のヘッド位置決め回路 |
JP2953191B2 (ja) * | 1992-05-14 | 1999-09-27 | 松下電器産業株式会社 | 磁気ディスク装置 |
JP3125452B2 (ja) * | 1992-07-02 | 2001-01-15 | ソニー株式会社 | 磁気ディスク装置 |
US5353170A (en) * | 1993-05-19 | 1994-10-04 | International Business Machines Corporation | Error recovery data storage system and method with two position read verification |
US5477103A (en) * | 1993-06-04 | 1995-12-19 | Cirrus Logic, Inc. | Sequence, timing and synchronization technique for servo system controller of a computer disk mass storage device |
US5412518A (en) * | 1993-12-16 | 1995-05-02 | International Business Machines Corporation | Individual MR transducer head/disk/channel adaptive bias current system |
US5500776A (en) * | 1993-12-16 | 1996-03-19 | Seagate Technology, Inc. | Self-calibration for computer disk read/write offsets |
US5751512A (en) * | 1994-01-28 | 1998-05-12 | Seagate Technology, Inc. | Data storage format for data storage devices having a radial offset between read and write elements |
-
1994
- 1994-01-27 JP JP06024697A patent/JP3135447B2/ja not_active Expired - Fee Related
-
1995
- 1995-01-04 EP EP02018030A patent/EP1267331A3/de not_active Withdrawn
- 1995-01-04 EP EP01120495A patent/EP1156485A3/de not_active Withdrawn
- 1995-01-04 DE DE69526271T patent/DE69526271T2/de not_active Expired - Fee Related
- 1995-01-04 EP EP95100082A patent/EP0665535B1/de not_active Expired - Lifetime
- 1995-01-27 KR KR1019950001548A patent/KR100206025B1/ko not_active IP Right Cessation
-
1996
- 1996-03-01 US US08/609,460 patent/US5956200A/en not_active Expired - Fee Related
- 1996-08-19 US US08/697,067 patent/US5831782A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1267331A3 (de) | 2004-01-02 |
DE69526271D1 (de) | 2002-05-16 |
EP0665535A2 (de) | 1995-08-02 |
US5956200A (en) | 1999-09-21 |
JPH07220257A (ja) | 1995-08-18 |
US5831782A (en) | 1998-11-03 |
EP1156485A3 (de) | 2001-11-28 |
EP1267331A2 (de) | 2002-12-18 |
EP0665535B1 (de) | 2002-04-10 |
KR100206025B1 (ko) | 1999-07-01 |
EP1156485A2 (de) | 2001-11-21 |
EP0665535A3 (de) | 1996-07-03 |
JP3135447B2 (ja) | 2001-02-13 |
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