CA998470A - Magnetic recording transducer with an erase core assembly - Google Patents

Magnetic recording transducer with an erase core assembly

Info

Publication number
CA998470A
CA998470A CA171,177A CA171177A CA998470A CA 998470 A CA998470 A CA 998470A CA 171177 A CA171177 A CA 171177A CA 998470 A CA998470 A CA 998470A
Authority
CA
Canada
Prior art keywords
magnetic recording
core assembly
recording transducer
erase core
erase
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
CA171,177A
Other languages
English (en)
Other versions
CA171177S (en
Inventor
Michael F. Garnier
Roland D. Nelson
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
Application granted granted Critical
Publication of CA998470A publication Critical patent/CA998470A/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
    • G11B5/488—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)
CA171,177A 1972-06-28 1973-05-10 Magnetic recording transducer with an erase core assembly Expired CA998470A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA998470A true CA998470A (en) 1976-10-12

Family

ID=23016637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,177A Expired CA998470A (en) 1972-06-28 1973-05-10 Magnetic recording transducer with an erase core assembly

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
JPS4958816A (enrdf_load_stackoverflow) 1974-06-07
GB1402681A (en) 1975-08-13
IT982621B (it) 1974-10-21
JPS5220255B2 (enrdf_load_stackoverflow) 1977-06-02
FR2191188A1 (enrdf_load_stackoverflow) 1974-02-01
US3769469A (en) 1973-10-30

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