DE3869869D1 - Aufprallverhuetung fuer die positioniereinrichtung eines plattenantriebs. - Google Patents
Aufprallverhuetung fuer die positioniereinrichtung eines plattenantriebs.Info
- Publication number
- DE3869869D1 DE3869869D1 DE8888903491T DE3869869T DE3869869D1 DE 3869869 D1 DE3869869 D1 DE 3869869D1 DE 8888903491 T DE8888903491 T DE 8888903491T DE 3869869 T DE3869869 T DE 3869869T DE 3869869 D1 DE3869869 D1 DE 3869869D1
- Authority
- DE
- Germany
- Prior art keywords
- disk drive
- positioning device
- impact prevention
- prevention
- impact
- 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
- 230000002265 prevention Effects 0.000 title 1
Classifications
-
- 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
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
- G11B19/02—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
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2138087A | 1987-03-03 | 1987-03-03 | |
PCT/US1988/000531 WO1988006789A1 (en) | 1987-03-03 | 1988-02-26 | Crash-prevention for disk drive positioning system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3869869D1 true DE3869869D1 (de) | 1992-05-14 |
Family
ID=21803861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888903491T Expired - Fee Related DE3869869D1 (de) | 1987-03-03 | 1988-02-26 | Aufprallverhuetung fuer die positioniereinrichtung eines plattenantriebs. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0305498B1 (de) |
JP (1) | JPH01500383A (de) |
KR (1) | KR920003617B1 (de) |
DE (1) | DE3869869D1 (de) |
WO (1) | WO1988006789A1 (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3670316A (en) * | 1970-08-24 | 1972-06-13 | Information Storage Systems | Control for disc drive apparatus |
JPS52137309A (en) * | 1976-05-12 | 1977-11-16 | Hitachi Ltd | Head runaway detection circuit |
JPS54151785A (en) * | 1978-05-20 | 1979-11-29 | Fujitsu Ltd | System for detecting abnormal speed of moving body |
GB2078030B (en) * | 1980-06-14 | 1983-02-02 | Burroughs Corp | Protected servomechanism |
US4553181A (en) * | 1983-07-12 | 1985-11-12 | Memorex Corporation | Disk drive positioning system providing fault-free protection against endstop head crashes by use of a passive network in the actuator driving signal path |
JPS61199280A (ja) * | 1985-03-01 | 1986-09-03 | Hitachi Ltd | デイスク装置のアクセス制御方式 |
-
1988
- 1988-02-26 KR KR1019880701378A patent/KR920003617B1/ko not_active IP Right Cessation
- 1988-02-26 DE DE8888903491T patent/DE3869869D1/de not_active Expired - Fee Related
- 1988-02-26 EP EP88903491A patent/EP0305498B1/de not_active Expired - Lifetime
- 1988-02-26 WO PCT/US1988/000531 patent/WO1988006789A1/en active IP Right Grant
- 1988-02-26 JP JP63503538A patent/JPH01500383A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0305498A1 (de) | 1989-03-08 |
JPH01500383A (ja) | 1989-02-09 |
WO1988006789A1 (en) | 1988-09-07 |
KR890700903A (ko) | 1989-04-28 |
KR920003617B1 (ko) | 1992-05-04 |
EP0305498B1 (de) | 1992-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |