GB1530099A - Magnetic reader - Google Patents

Magnetic reader

Info

Publication number
GB1530099A
GB1530099A GB17185/77A GB1718577A GB1530099A GB 1530099 A GB1530099 A GB 1530099A GB 17185/77 A GB17185/77 A GB 17185/77A GB 1718577 A GB1718577 A GB 1718577A GB 1530099 A GB1530099 A GB 1530099A
Authority
GB
United Kingdom
Prior art keywords
track
tape
read
arrangement
reader
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
GB17185/77A
Other languages
English (en)
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 GB1530099A publication Critical patent/GB1530099A/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
    • G11B5/584—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 tapes
    • G11B5/588—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 tapes by controlling the position of the rotating 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
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Position Or Direction (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Digital Magnetic Recording (AREA)
GB17185/77A 1976-05-03 1977-04-25 Magnetic reader Expired GB1530099A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/682,549 UST959012I4 (en) 1976-05-03 1976-05-03 Dynamic deskewing for a rotating head recording device

Publications (1)

Publication Number Publication Date
GB1530099A true GB1530099A (en) 1978-10-25

Family

ID=24740182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17185/77A Expired GB1530099A (en) 1976-05-03 1977-04-25 Magnetic reader

Country Status (8)

Country Link
US (1) UST959012I4 (fr)
JP (1) JPS5822819B2 (fr)
BR (1) BR7702851A (fr)
CA (1) CA1096037A (fr)
DE (1) DE2718203A1 (fr)
FR (1) FR2350658A1 (fr)
GB (1) GB1530099A (fr)
IT (1) IT1115462B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625254A (en) * 1979-08-04 1981-03-11 Nippon Shiyuuhenki Kk Skew correction system
JPS56145552A (en) * 1980-04-11 1981-11-12 Nippon Shiyuuhenki Kk Skew correction system

Also Published As

Publication number Publication date
FR2350658B1 (fr) 1980-02-01
UST959012I4 (en) 1977-06-07
FR2350658A1 (fr) 1977-12-02
DE2718203A1 (de) 1977-11-24
JPS52134409A (en) 1977-11-10
CA1096037A (fr) 1981-02-17
BR7702851A (pt) 1978-04-04
JPS5822819B2 (ja) 1983-05-11
IT1115462B (it) 1986-02-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee