DE69414632T2 - Plattenantriebspindelphasenverriegelung an ein Referenzpignal - Google Patents
Plattenantriebspindelphasenverriegelung an ein ReferenzpignalInfo
- Publication number
- DE69414632T2 DE69414632T2 DE1994614632 DE69414632T DE69414632T2 DE 69414632 T2 DE69414632 T2 DE 69414632T2 DE 1994614632 DE1994614632 DE 1994614632 DE 69414632 T DE69414632 T DE 69414632T DE 69414632 T2 DE69414632 T2 DE 69414632T2
- Authority
- DE
- Germany
- Prior art keywords
- reference signal
- disk drive
- phase lock
- drive spindle
- spindle phase
- 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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or 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
- G11B19/20—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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/002—Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
- G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/054,657 US5448428A (en) | 1993-04-23 | 1993-04-23 | Phase locking a disk drive spindle to a reference signal |
US08/054,652 US5438464A (en) | 1993-04-23 | 1993-04-23 | Synchronization of multiple disk drive spindles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69414632D1 DE69414632D1 (de) | 1998-12-24 |
DE69414632T2 true DE69414632T2 (de) | 1999-07-22 |
Family
ID=26733311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1994614632 Expired - Fee Related DE69414632T2 (de) | 1993-04-23 | 1994-04-25 | Plattenantriebspindelphasenverriegelung an ein Referenzpignal |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0621595B1 (de) |
DE (1) | DE69414632T2 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4477750A (en) * | 1982-05-17 | 1984-10-16 | International Business Machines Corporation | Multi-level disk drive motor speed control |
US4815063A (en) * | 1985-09-13 | 1989-03-21 | Yamaha Corporation | Disc motor control circuit for controlling the rotation of a disc in a disc playing device |
US4907105A (en) * | 1988-03-11 | 1990-03-06 | Maxtor Corporation | Synchronized spindle control for disk drives |
JP2770986B2 (ja) * | 1989-06-23 | 1998-07-02 | 富士通株式会社 | 外部記憶装置のマスタパルス切替方式 |
US5237466A (en) * | 1989-11-02 | 1993-08-17 | International Business Machines Corporation | Method and apparatus for programmably controlling spindle synchronization and phase among disk drives in a storage subsystem |
JPH04313859A (ja) * | 1991-04-12 | 1992-11-05 | Nec Ibaraki Ltd | 磁気ディスク装置 |
JPH04335255A (ja) * | 1991-05-13 | 1992-11-24 | Mitsubishi Electric Corp | ディスク同期制御装置および同期制御方法 |
-
1994
- 1994-04-25 DE DE1994614632 patent/DE69414632T2/de not_active Expired - Fee Related
- 1994-04-25 EP EP19940302930 patent/EP0621595B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0621595B1 (de) | 1998-11-18 |
EP0621595A3 (de) | 1995-02-15 |
DE69414632D1 (de) | 1998-12-24 |
EP0621595A2 (de) | 1994-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69233589D1 (de) | Plattenlaufwerk | |
DE69222563D1 (de) | Magnetplattenantrieb | |
DE69416770D1 (de) | Aufladbarkeitbezogenes Element eine Calixarenverbindung enthaltend | |
DE69032731T2 (de) | Servoschaltungsanordnung für ein Magnetplattenlaufwerk | |
DE69426576T2 (de) | Magnetische Platteneinheit | |
DE69005495T2 (de) | Ein magnetischer Aufzeichnungsträger. | |
DE68925035T2 (de) | Magnetische lageanordnung für eine platteneinheit. | |
DE69226665D1 (de) | Magnetplattenantrieb | |
DE69414632T2 (de) | Plattenantriebspindelphasenverriegelung an ein Referenzpignal | |
DE69325882D1 (de) | Magnetplattenantrieb | |
DE69326760T2 (de) | Aufzeichnungskassettenmechanismen | |
DE69232468T2 (de) | Magnetplattenantrieb | |
DE69217528D1 (de) | Plattenantrieb | |
DE69334052D1 (de) | Plattenlaufwerk | |
AU611066B2 (en) | Magnetic disk drive | |
DE58909705D1 (de) | Magnetische Aufzeichnungsträger | |
DE59206194D1 (de) | Recorder mit antriebs-phasendetektor | |
AU3914193A (en) | A disk drive lock | |
DE69527347D1 (de) | Magnetplattenantrieb | |
KR930024282U (ko) | CD(Compact Disk) 도난 방지용 케이스 | |
KR950020766U (ko) | 테이프 레코더의 마스터기어 구동장치 | |
KR940027801U (ko) | 노래 촬영 오락장치 | |
KR900001513U (ko) | 디스크 드라이버의 판독헤드 위치 조정장치 | |
DE69332752D1 (de) | Plattenlaufwerk | |
DE69332254T2 (de) | Plattenlaufwerk |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |