GB1052572A - - Google Patents

Info

Publication number
GB1052572A
GB1052572A GB1052572DA GB1052572A GB 1052572 A GB1052572 A GB 1052572A GB 1052572D A GB1052572D A GB 1052572DA GB 1052572 A GB1052572 A GB 1052572A
Authority
GB
United Kingdom
Prior art keywords
rotor
steps
april
flux
winding
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1052572A publication Critical patent/GB1052572A/en
Active 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/20—Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Stepping Motors (AREA)
GB1052572D 1964-04-30 Active GB1052572A (US07709020-20100504-C00041.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363723A US3394361A (en) 1964-04-30 1964-04-30 Incremental magnetic recording and sensing system with twin gap head

Publications (1)

Publication Number Publication Date
GB1052572A true GB1052572A (US07709020-20100504-C00041.png)

Family

ID=23431435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1052572D Active GB1052572A (US07709020-20100504-C00041.png) 1964-04-30

Country Status (3)

Country Link
US (1) US3394361A (US07709020-20100504-C00041.png)
DE (1) DE1474367C3 (US07709020-20100504-C00041.png)
GB (1) GB1052572A (US07709020-20100504-C00041.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5769369A (en) * 1980-10-13 1982-04-28 Bridgestone Corp Tire containing magnetic signal recorded and discriminating said tire
DE3346876A1 (de) * 1983-12-23 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Kombinierter schreib- und lese-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums
DE3566848D1 (en) * 1984-05-04 1989-01-19 Siemens Ag Thin-layer double-gap magnetic head for a perpendicularly magnetized recording medium
US4897749A (en) * 1988-03-16 1990-01-30 Magnetic Peripherals Inc. Combination probe and ring head for vertical recording

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310790A (en) * 1961-11-21 1967-03-21 Nakamichi Etsuro Perforated magnetic tape recording and reproducing apparatus
US3218618A (en) * 1962-01-30 1965-11-16 Rca Corp Magnetic reading apparatus for demodulating a recorded frequency modulated signal
US3239823A (en) * 1962-05-16 1966-03-08 Ibm Twin gap flux responsive head
US3150358A (en) * 1962-05-31 1964-09-22 Ibm Data detection system for reproducing magnetic binary information

Also Published As

Publication number Publication date
US3394361A (en) 1968-07-23
DE1474367B2 (US07709020-20100504-C00041.png) 1975-01-02
DE1474367C3 (de) 1975-08-14
DE1474367A1 (de) 1969-09-25

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