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GB1489078A - Position control system - Google Patents

Position control system

Info

Publication number
GB1489078A
GB1489078A GB5460774A GB5460774A GB1489078A GB 1489078 A GB1489078 A GB 1489078A GB 5460774 A GB5460774 A GB 5460774A GB 5460774 A GB5460774 A GB 5460774A GB 1489078 A GB1489078 A GB 1489078A
Authority
GB
United Kingdom
Prior art keywords
control system
position control
control
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
GB5460774A
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
Publication of GB1489078A publication Critical patent/GB1489078A/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59622—Gain control; Filters
GB5460774A 1973-12-27 1974-12-18 Position control system Expired GB1489078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732364784 DE2364784A1 (en) 1973-12-27 1973-12-27 TRACK FOLLOWING CONTROL FOR A MAGNETIC DISC MEMORY

Publications (1)

Publication Number Publication Date
GB1489078A true GB1489078A (en) 1977-10-19

Family

ID=5902072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5460774A Expired GB1489078A (en) 1973-12-27 1974-12-18 Position control system

Country Status (5)

Country Link
JP (1) JPS528687B2 (en)
DE (1) DE2364784A1 (en)
FR (1) FR2272462B1 (en)
GB (1) GB1489078A (en)
IT (1) IT1025685B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578723A (en) * 1982-06-18 1986-03-25 International Business Machines Corporation Head positioning system with automatic gain control
US4890172A (en) * 1988-09-27 1989-12-26 Digital Equipment Corporation Automatic servo gain calibration system for a disk drive
US5708581A (en) * 1996-07-12 1998-01-13 Hewlett-Packard Company Method for maximizing feedforward orthogonality for minimizing servo system nuller instability

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
GB1520350A (en) * 1976-12-22 1978-08-09 Ibm Data storage apparatus
JPS583297B2 (en) * 1978-06-09 1983-01-20 株式会社日立製作所 Information recording and reproducing method, its device and its recording medium
US4380033A (en) * 1979-07-19 1983-04-12 Burroughs Corporation Disc-drive head positioning systems
US4454549A (en) * 1982-06-28 1984-06-12 International Business Machines Corporation Slant track sector servo
US4868678A (en) * 1986-03-28 1989-09-19 Victor Company Of Japan, Ltd. Apparatus for recording a video signal of consecutive fields on a pair of separated tracks
JPS62227282A (en) * 1986-03-28 1987-10-06 Victor Co Of Japan Ltd Frame photographing recorder for composite video signal
JPH0236977U (en) * 1988-09-01 1990-03-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578723A (en) * 1982-06-18 1986-03-25 International Business Machines Corporation Head positioning system with automatic gain control
US4890172A (en) * 1988-09-27 1989-12-26 Digital Equipment Corporation Automatic servo gain calibration system for a disk drive
US5708581A (en) * 1996-07-12 1998-01-13 Hewlett-Packard Company Method for maximizing feedforward orthogonality for minimizing servo system nuller instability

Also Published As

Publication number Publication date
DE2364784A1 (en) 1975-07-03
FR2272462A1 (en) 1975-12-19
JPS528687B2 (en) 1977-03-10
IT1025685B (en) 1978-08-30
JPS5099515A (en) 1975-08-07
FR2272462B1 (en) 1976-10-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee