GB1488038A - Data storage apparatus - Google Patents

Data storage apparatus

Info

Publication number
GB1488038A
GB1488038A GB5328374A GB5328374A GB1488038A GB 1488038 A GB1488038 A GB 1488038A GB 5328374 A GB5328374 A GB 5328374A GB 5328374 A GB5328374 A GB 5328374A GB 1488038 A GB1488038 A GB 1488038A
Authority
GB
United Kingdom
Prior art keywords
track
data storage
storage apparatus
capacitor
accessing
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
Application number
GB5328374A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB5328374A priority Critical patent/GB1488038A/en
Priority to DD18747775A priority patent/DD119613A5/xx
Priority to FR7532213A priority patent/FR2294509A2/en
Priority to JP12753875A priority patent/JPS5225723B2/ja
Priority to IT2976075A priority patent/IT1049927B/en
Priority to DE19752554018 priority patent/DE2554018A1/en
Publication of GB1488038A publication Critical patent/GB1488038A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

1488038 Automatic control INTERNATIONAL BUSINESS MACHINES CORP 10 Dec 1974 53283/74 Addition to 1396834 Heading G3N A track-accessing and track-following system for a rotatable data storage apparatus, as disclosed in Parent Specification, see Division G1-G3, is modified by the introduction of an additional integrator in the servo position-loop by the provision of a capacitor in the compensator circuit. A switch is provided whereby the capacitor is brought into operation a set interval after the completion of a track-accessing operation.
GB5328374A 1974-12-10 1974-12-10 Data storage apparatus Expired GB1488038A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB5328374A GB1488038A (en) 1974-12-10 1974-12-10 Data storage apparatus
DD18747775A DD119613A5 (en) 1974-12-10 1975-07-25
FR7532213A FR2294509A2 (en) 1974-12-10 1975-10-13 DATA STORAGE DEVICE
JP12753875A JPS5225723B2 (en) 1974-12-10 1975-10-24
IT2976075A IT1049927B (en) 1974-12-10 1975-11-28 IMPROVED DATA STORAGE EQUIPMENT
DE19752554018 DE2554018A1 (en) 1974-12-10 1975-12-02 SERVO SHIFT TO CONTROL THE SPEED OF A MAGNETIC HEAD SUPPORT ARM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5328374A GB1488038A (en) 1974-12-10 1974-12-10 Data storage apparatus

Publications (1)

Publication Number Publication Date
GB1488038A true GB1488038A (en) 1977-10-05

Family

ID=10467261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5328374A Expired GB1488038A (en) 1974-12-10 1974-12-10 Data storage apparatus

Country Status (6)

Country Link
JP (1) JPS5225723B2 (en)
DD (1) DD119613A5 (en)
DE (1) DE2554018A1 (en)
FR (1) FR2294509A2 (en)
GB (1) GB1488038A (en)
IT (1) IT1049927B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850251U (en) * 1981-09-26 1983-04-05 ボ−グ・ワ−ナ−・オ−トモ−ティブ株式会社 toothed chain

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673601C3 (en) * 1967-07-01 1975-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen PI controller for a controlled system subject to inertia
CA995300A (en) * 1972-08-21 1976-08-17 John Cuda Coarse and fine control for position servo

Also Published As

Publication number Publication date
FR2294509A2 (en) 1976-07-09
JPS5225723B2 (en) 1977-07-09
JPS5192611A (en) 1976-08-13
IT1049927B (en) 1981-02-10
DD119613A5 (en) 1976-05-05
FR2294509B2 (en) 1978-12-01
DE2554018C2 (en) 1987-04-09
DE2554018A1 (en) 1976-06-16

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Legal Events

Date Code Title Description
PS Patent sealed