JPS4958816A - - Google Patents

Info

Publication number
JPS4958816A
JPS4958816A JP48065472A JP6547273A JPS4958816A JP S4958816 A JPS4958816 A JP S4958816A JP 48065472 A JP48065472 A JP 48065472A JP 6547273 A JP6547273 A JP 6547273A JP S4958816 A JPS4958816 A JP S4958816A
Authority
JP
Japan
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.)
Granted
Application number
JP48065472A
Other languages
Japanese (ja)
Other versions
JPS5220255B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4958816A publication Critical patent/JPS4958816A/ja
Publication of JPS5220255B2 publication Critical patent/JPS5220255B2/ja
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
    • G11B5/488—Disposition of heads
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP48065472A 1972-06-28 1973-06-12 Expired JPS5220255B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26694772A 1972-06-28 1972-06-28

Publications (2)

Publication Number Publication Date
JPS4958816A true JPS4958816A (enrdf_load_stackoverflow) 1974-06-07
JPS5220255B2 JPS5220255B2 (enrdf_load_stackoverflow) 1977-06-02

Family

ID=23016637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48065472A Expired JPS5220255B2 (enrdf_load_stackoverflow) 1972-06-28 1973-06-12

Country Status (7)

Country Link
US (1) US3769469A (enrdf_load_stackoverflow)
JP (1) JPS5220255B2 (enrdf_load_stackoverflow)
CA (1) CA998470A (enrdf_load_stackoverflow)
DE (1) DE2329693A1 (enrdf_load_stackoverflow)
FR (1) FR2191188B1 (enrdf_load_stackoverflow)
GB (1) GB1402681A (enrdf_load_stackoverflow)
IT (1) IT982621B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788509A (en) * 1980-11-20 1982-06-02 Ibm Protective device for data of magnetic recording device
US4819092A (en) * 1987-05-08 1989-04-04 Colorado Memory Systems, Inc. Apparatus for writing signal density information on a magnetic medium
AU6626294A (en) * 1993-04-09 1994-11-08 Washington University Magnetic recording head with continuously monitored track following servo
US6564307B1 (en) 1999-08-18 2003-05-13 International Business Machines Corporation Method, system, and program for logically erasing data

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB832036A (en) * 1958-01-15 1960-04-06 Gerhard Dirks Improvements in or relating to magnetic recording and reading apparatus
US3155949A (en) * 1961-11-24 1964-11-03 Ibm Tunnel erase magnetic transducer
US3504134A (en) * 1966-07-13 1970-03-31 Ncr Co Multiple magnetic head with a strip core having a common base portion
NL156528B (nl) * 1966-09-15 1978-04-17 Philips Nv Magnetische schrijf-lees-wiskop.
US3684841A (en) * 1969-12-30 1972-08-15 Honeywell Inc Multi-channel magnetic transducer structure having full width erase head in non-magnetic housing
US3668332A (en) * 1970-08-26 1972-06-06 Xerox Corp Magnetic recording heat which accurately defines the width of the recording track

Also Published As

Publication number Publication date
FR2191188B1 (enrdf_load_stackoverflow) 1976-09-17
DE2329693A1 (de) 1974-01-17
GB1402681A (en) 1975-08-13
IT982621B (it) 1974-10-21
JPS5220255B2 (enrdf_load_stackoverflow) 1977-06-02
CA998470A (en) 1976-10-12
FR2191188A1 (enrdf_load_stackoverflow) 1974-02-01
US3769469A (en) 1973-10-30

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