IT1103886B - SYSTEM TO CONTROL THE POSITIONING OF MAGNETIC HEADS - Google Patents

SYSTEM TO CONTROL THE POSITIONING OF MAGNETIC HEADS

Info

Publication number
IT1103886B
IT1103886B IT48576/78A IT4857678A IT1103886B IT 1103886 B IT1103886 B IT 1103886B IT 48576/78 A IT48576/78 A IT 48576/78A IT 4857678 A IT4857678 A IT 4857678A IT 1103886 B IT1103886 B IT 1103886B
Authority
IT
Italy
Prior art keywords
positioning
control
magnetic heads
heads
magnetic
Prior art date
Application number
IT48576/78A
Other languages
Italian (it)
Other versions
IT7848576A0 (en
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of IT7848576A0 publication Critical patent/IT7848576A0/en
Application granted granted Critical
Publication of IT1103886B publication Critical patent/IT1103886B/en

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
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc
    • 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
    • G11B5/59633—Servo formatting
    • G11B5/5965—Embedded servo format
IT48576/78A 1977-03-25 1978-03-23 SYSTEM TO CONTROL THE POSITIONING OF MAGNETIC HEADS IT1103886B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772713194 DE2713194A1 (en) 1977-03-25 1977-03-25 SYSTEM FOR THE TRACK CONTROL OF MAGNETIC HEADS

Publications (2)

Publication Number Publication Date
IT7848576A0 IT7848576A0 (en) 1978-03-23
IT1103886B true IT1103886B (en) 1985-10-14

Family

ID=6004656

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48576/78A IT1103886B (en) 1977-03-25 1978-03-23 SYSTEM TO CONTROL THE POSITIONING OF MAGNETIC HEADS

Country Status (6)

Country Link
JP (1) JPS53120408A (en)
DE (1) DE2713194A1 (en)
FR (1) FR2385168A1 (en)
GB (1) GB1589000A (en)
IT (1) IT1103886B (en)
NL (1) NL7803217A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502082A (en) * 1977-06-16 1985-02-26 Burroughs Corporation Spiral recording and associated system
US4314290A (en) * 1977-06-16 1982-02-02 Burroughs Corporation Di-bit recording technique and associated servo indicia
US4419700A (en) * 1977-06-16 1983-12-06 Burroughs Corporation Dual-track spiral recording and associated system
JPS58203620A (en) * 1982-05-21 1983-11-28 Fujitsu Ltd Data surface servo system
DE3246989A1 (en) * 1982-12-18 1984-06-20 Robert Bosch Gmbh, 7000 Stuttgart Tracking arrangement in a magnetic tape device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1383200A (en) * 1962-11-30 1964-12-24 Ibm Magnetic recording device
US3219353A (en) * 1962-11-30 1965-11-23 Ibm Magnetic recording medium
US3665118A (en) * 1969-04-07 1972-05-23 Bell & Howell Co Control signal recording
US3614756A (en) * 1970-01-21 1971-10-19 Ibm Magnetic record with servo track perpendicular to information track
US3686649A (en) * 1970-11-18 1972-08-22 Burroughs Corp Magnetic positioning mechanism with trapezoidal head
US3956769A (en) * 1974-08-12 1976-05-11 Control Data Corporation Recording system having coinciding servo and data tracks
DE2439546A1 (en) * 1974-08-17 1976-02-26 Basf Ag TRACKING REGULATION WITH MAGNETODYNAMIC MEMORIES AS WELL AS MAGNETOGRAM CARRIERS FOR IT
DE2512456A1 (en) * 1975-03-21 1976-10-07 Basf Ag Magnetic data record in plate form - has two thin magnetic films and thick intermediate layer of non-magnetic material

Also Published As

Publication number Publication date
GB1589000A (en) 1981-05-07
DE2713194A1 (en) 1978-10-05
NL7803217A (en) 1978-09-27
FR2385168A1 (en) 1978-10-20
JPS53120408A (en) 1978-10-20
IT7848576A0 (en) 1978-03-23

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