TW275687B - - Google Patents
Info
- Publication number
- TW275687B TW275687B TW081110462A TW81110462A TW275687B TW 275687 B TW275687 B TW 275687B TW 081110462 A TW081110462 A TW 081110462A TW 81110462 A TW81110462 A TW 81110462A TW 275687 B TW275687 B TW 275687B
- Authority
- TW
- Taiwan
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Linear Motors (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Feedback Control In General (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Control Of Position Or Direction (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4137157A JP2795365B2 (ja) | 1992-05-28 | 1992-05-28 | ディジタル閉ループ系制御方法およびシステム、およびそのシステムを用いたディスク型記憶装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW275687B true TW275687B (US06534493-20030318-C00130.png) | 1996-05-11 |
Family
ID=15192156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081110462A TW275687B (US06534493-20030318-C00130.png) | 1992-05-28 | 1992-12-29 |
Country Status (8)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5689384A (en) * | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
| JPH1027444A (ja) * | 1996-07-10 | 1998-01-27 | Fujitsu Ltd | ディスク装置のポジション感度調整方法 |
| KR100268499B1 (ko) | 1997-07-18 | 2000-10-16 | 윤종용 | 자기디스크드라이브에서의헤드언래치제어방법 |
| JP3335314B2 (ja) | 1998-10-29 | 2002-10-15 | インターナショナル・ビジネス・マシーンズ・コーポレーション | データ記録装置及びこれの制御方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2759066A1 (de) * | 1977-12-30 | 1979-07-12 | Ibm Deutschland | Einrichtung fuer die regelung der magnetkopfposition waehrend der spurauswahl und der spurfolge des magnetkopfes eines magnetplattenspeichers |
| JPH0763225B2 (ja) * | 1982-06-30 | 1995-07-05 | 松下電器産業株式会社 | 送り駆動装置 |
| EP0237682B1 (en) * | 1985-12-24 | 1991-02-27 | Kabushiki Kaisha Toshiba | Control system for optical information reproducing apparatus |
| JPH087953B2 (ja) * | 1987-05-30 | 1996-01-29 | 株式会社東芝 | 磁気記録再生装置の磁気ヘッド位置決め制御装置 |
| JPS6467030A (en) * | 1987-09-07 | 1989-03-13 | Yamaha Corp | Pwm circuit |
| JPH0814950B2 (ja) * | 1987-09-14 | 1996-02-14 | 株式会社日立製作所 | 磁気ディスク装置のヘッド位置決め方式 |
| JPS6489088A (en) * | 1987-09-30 | 1989-04-03 | Toshiba Corp | Carriage driving/control circuit for magnetic disk device |
| US5146440A (en) * | 1988-08-29 | 1992-09-08 | Matsushita Electric Industrial Co., Ltd. | Track search apparatus |
| JP2777630B2 (ja) * | 1989-04-07 | 1998-07-23 | 株式会社日立製作所 | 磁気ディスク装置 |
| US5231550A (en) * | 1990-03-12 | 1993-07-27 | Fujitsu Limited | Track access control system preventing unintentional delay in movement of head in non-adjusted disc device |
| US5150266A (en) * | 1990-04-30 | 1992-09-22 | Seagate Technology, Inc. | Hard disk drive adaptation based on approach time measurement |
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1992
- 1992-05-28 JP JP4137157A patent/JP2795365B2/ja not_active Expired - Lifetime
- 1992-12-29 TW TW081110462A patent/TW275687B/zh active
-
1993
- 1993-05-14 MY MYPI93000902A patent/MY110152A/en unknown
- 1993-05-17 DE DE69304267T patent/DE69304267T2/de not_active Expired - Fee Related
- 1993-05-17 EP EP93303784A patent/EP0576135B1/en not_active Expired - Lifetime
- 1993-05-26 KR KR1019930009221A patent/KR970003826B1/ko not_active IP Right Cessation
- 1993-05-26 CN CN93106463A patent/CN1059042C/zh not_active Expired - Fee Related
-
1995
- 1995-02-21 US US08/392,271 patent/US5608588A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR930023915A (ko) | 1993-12-21 |
| DE69304267T2 (de) | 1997-03-13 |
| CN1059042C (zh) | 2000-11-29 |
| DE69304267D1 (de) | 1996-10-02 |
| KR970003826B1 (ko) | 1997-03-22 |
| CN1081000A (zh) | 1994-01-19 |
| EP0576135B1 (en) | 1996-08-28 |
| US5608588A (en) | 1997-03-04 |
| JPH064102A (ja) | 1994-01-14 |
| JP2795365B2 (ja) | 1998-09-10 |
| MY110152A (en) | 1998-02-28 |
| EP0576135A1 (en) | 1993-12-29 |
