JPH0334310B2 - - Google Patents
Info
- Publication number
- JPH0334310B2 JPH0334310B2 JP58053480A JP5348083A JPH0334310B2 JP H0334310 B2 JPH0334310 B2 JP H0334310B2 JP 58053480 A JP58053480 A JP 58053480A JP 5348083 A JP5348083 A JP 5348083A JP H0334310 B2 JPH0334310 B2 JP H0334310B2
- Authority
- JP
- Japan
- Prior art keywords
- servo
- signal
- interrupt
- phase
- processing means
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
- H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/912—Pulse or frequency counter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/921—Timer or time delay means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Velocity Or Acceleration (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US364963 | 1982-04-02 | ||
| US06/364,963 US4514671A (en) | 1982-04-02 | 1982-04-02 | Head scanning servo system in a recording and/or reproducing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5962922A JPS5962922A (ja) | 1984-04-10 |
| JPH0334310B2 true JPH0334310B2 (2) | 1991-05-22 |
Family
ID=23436901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58053480A Granted JPS5962922A (ja) | 1982-04-02 | 1983-03-29 | サ−ボ制御装置およびサ−ボ制御方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4514671A (2) |
| EP (1) | EP0091192B1 (2) |
| JP (1) | JPS5962922A (2) |
| DE (2) | DE3382748T2 (2) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631605A (en) * | 1984-09-20 | 1986-12-23 | Ampex Corporation | Multiple speed scanner servo system for protecting the heads and tape of helical recorders |
| EP0177936B1 (en) * | 1984-10-12 | 1990-08-16 | Sanyo Electric Co., Ltd. | Digital servo apparatus |
| US4885793A (en) * | 1987-02-10 | 1989-12-05 | Sanyo Electric Co., Ltd. | Digital servo system using microcomputer for controlling phase and speed of rotary body |
| JPH0411318A (ja) * | 1990-04-27 | 1992-01-16 | Matsushita Electric Ind Co Ltd | 磁気記録再生方法 |
| US5249254A (en) * | 1991-10-31 | 1993-09-28 | Seagate Technology, Inc. | Hard disc drive for use in a multiple drive data storage system and method of operation |
| US5289095A (en) * | 1992-01-10 | 1994-02-22 | Alliedsignal Inc | Fuzzy switching logic for servo systems |
| JP2793928B2 (ja) * | 1992-03-03 | 1998-09-03 | 株式会社日立製作所 | 記録再生装置 |
| KR100873237B1 (ko) * | 2000-09-21 | 2008-12-10 | 지에스아이 루모닉스 코포레이션 | 디지털 제어 서보 시스템 |
| GB0313887D0 (en) * | 2003-06-16 | 2003-07-23 | Gsi Lumonics Ltd | Monitoring and controlling of laser operation |
| US20050165590A1 (en) * | 2004-01-23 | 2005-07-28 | Yuhong Huang | System and method for virtual laser marking |
| JP4891686B2 (ja) * | 2006-07-19 | 2012-03-07 | 日立電線株式会社 | 線材の溶融めっき装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648141A (en) * | 1971-03-11 | 1972-03-07 | Honeywell Inc | Tape drive error-cancelling system |
| US4201936A (en) * | 1976-12-10 | 1980-05-06 | General Electric Company | Motor speed regulator and control system |
| US4206485A (en) * | 1977-07-08 | 1980-06-03 | Sony Corporation | Digital phase servo system |
| AU515771B2 (en) * | 1978-01-17 | 1981-04-30 | Sony Corporation | Digital servo circuit |
| US4272818A (en) * | 1979-07-19 | 1981-06-09 | The Bendix Corporation | Position feedback control system for a numerically controlled machine tool |
| FR2486731A1 (fr) * | 1980-07-11 | 1982-01-15 | Cii Honeywell Bull | Dispositif de regulation de la vitesse de rotation d'un moteur electrique |
| US4371819A (en) * | 1980-12-11 | 1983-02-01 | Pako Corporation | Pulse width modulation speed control |
| US4381479A (en) * | 1981-01-15 | 1983-04-26 | Westinghouse Electric Corp. | Electric motor chopper control apparatus and method |
| JPS57129189A (en) * | 1981-02-04 | 1982-08-11 | Nec Corp | Control device for motor |
| US4412161A (en) * | 1981-04-24 | 1983-10-25 | Iomega Corporation | Digital control of servo circuit |
-
1982
- 1982-04-02 US US06/364,963 patent/US4514671A/en not_active Expired - Lifetime
-
1983
- 1983-02-25 DE DE3382748T patent/DE3382748T2/de not_active Expired - Lifetime
- 1983-02-25 EP EP83301020A patent/EP0091192B1/en not_active Expired
- 1983-02-25 DE DE8383301020T patent/DE3379985D1/de not_active Expired
- 1983-03-29 JP JP58053480A patent/JPS5962922A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3379985D1 (en) | 1989-07-06 |
| EP0091192B1 (en) | 1989-05-31 |
| JPS5962922A (ja) | 1984-04-10 |
| US4514671A (en) | 1985-04-30 |
| EP0091192A1 (en) | 1983-10-12 |
| DE3382748D1 (de) | 1994-05-26 |
| DE3382748T2 (de) | 1994-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4636874A (en) | System for reproducing information signals on a magnetic tape which incrementally adjusts, in a plurality of steps the speed of the magnetic tape and the positioning and rotational speed of the magnetic head upon a change of mode | |
| US4536806A (en) | Microprocessor controlled multiple servo system for a recording and/or reproducing apparatus | |
| JPH0334310B2 (2) | ||
| JPH07105936B2 (ja) | 読取信号の時間軸制御装置 | |
| JP2602197B2 (ja) | 磁気テープ記録再生装置用のサーボ装置 | |
| US4706137A (en) | Head switching signal producing circuit with compensation of a phase error due to the positioning of a rotary drum head and a rotational phase detector | |
| US4912571A (en) | A memory controlling apparatus for a magnetic recording and reproducing apparatus | |
| JPH028323B2 (2) | ||
| EP0227052B1 (en) | Servo control apparatus | |
| EP0091187A1 (en) | Microprocessor controlled reproducing apparatus having asynchronous reproducing capability | |
| US4595868A (en) | Phase detector control for a servo system | |
| US4538190A (en) | Programmable non-linear speed control for a recording and/or reproducing apparatus | |
| EP0091190B1 (en) | A programmable nonlinear speed control for a recording and/or reproducing apparatus | |
| JPH0736241B2 (ja) | 磁気記録再生装置 | |
| JP3041973B2 (ja) | 磁気記録再生装置 | |
| JP2680573B2 (ja) | 自動位相調整装置 | |
| JP2987833B2 (ja) | 回転ドラムのスイッチングパルス発生装置 | |
| JPH0553026B2 (2) | ||
| JP2543133B2 (ja) | 磁気記録再生装置 | |
| JPH03147554A (ja) | 磁気記録再生装置 | |
| JPH0770115B2 (ja) | 情報再生装置 | |
| JPS63144451A (ja) | 磁気記録再生装置 | |
| JPS63316351A (ja) | トラッキングサーボ装置 | |
| JPS63196911A (ja) | 位相制御装置 | |
| JPS6359585B2 (2) |