FR2107284A5 - - Google Patents

Info

Publication number
FR2107284A5
FR2107284A5 FR7132031A FR7132031A FR2107284A5 FR 2107284 A5 FR2107284 A5 FR 2107284A5 FR 7132031 A FR7132031 A FR 7132031A FR 7132031 A FR7132031 A FR 7132031A FR 2107284 A5 FR2107284 A5 FR 2107284A5
Authority
FR
France
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
FR7132031A
Other languages
French (fr)
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of FR2107284A5 publication Critical patent/FR2107284A5/fr
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
    • G11B5/127—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)
FR7132031A 1970-08-26 1971-08-24 Expired FR2107284A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6693070A 1970-08-26 1970-08-26

Publications (1)

Publication Number Publication Date
FR2107284A5 true FR2107284A5 (enExample) 1972-05-05

Family

ID=22072641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7132031A Expired FR2107284A5 (enExample) 1970-08-26 1971-08-24

Country Status (7)

Country Link
US (1) US3668332A (enExample)
JP (1) JPS5219087B1 (enExample)
BE (1) BE771786A (enExample)
CA (1) CA960355A (enExample)
DE (1) DE2142605A1 (enExample)
FR (1) FR2107284A5 (enExample)
GB (1) GB1356005A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004535A1 (en) * 1987-10-30 1989-05-18 Ampex Corporation Magnetic transducer

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769469A (en) * 1972-06-28 1973-10-30 Ibm Trim erase mead assembly for providing a uniform erase field
US3859664A (en) * 1973-07-09 1975-01-07 Honeywell Inf Systems Batch fabricated thin-film transducers having a common pole with tunnel erase poles and a plurality of read/write poles
JPS51147312A (en) * 1975-06-13 1976-12-17 Canon Inc Magnetic head
US4101947A (en) * 1976-10-04 1978-07-18 Eastman Kodak Company Narrow track magnetic-head recorder
JPS56156920A (en) * 1980-04-30 1981-12-03 Toshiba Corp Composite magnetic head and its production
JPS57189325A (en) * 1981-05-18 1982-11-20 Toshiba Corp Composite magnetic head
JPS58215717A (ja) * 1982-06-09 1983-12-15 Hitachi Ltd 磁気ヘツド
EP0110513A3 (en) * 1982-10-19 1985-09-18 EASTMAN KODAK COMPANY (a New Jersey corporation) Common reluctance path multi-gap magnetic transducer
JPH0770013B2 (ja) * 1985-07-17 1995-07-31 株式会社日立製作所 フレキシブルディスク装置の情報記録方法
US4821126A (en) * 1985-10-22 1989-04-11 Fuji Photo Film Co., Ltd. Magnetic recording method involving core pieces of different thickness
US4849841A (en) * 1987-04-10 1989-07-18 Irwin Magnetic Systems, Inc. Transducer head core structure with recessed magnetic closures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL121891C (enExample) * 1960-05-13
US3155949A (en) * 1961-11-24 1964-11-03 Ibm Tunnel erase magnetic transducer
US3514851A (en) * 1967-04-03 1970-06-02 Control Data Corp Method of manufacturing a magnetic head structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004535A1 (en) * 1987-10-30 1989-05-18 Ampex Corporation Magnetic transducer
EP0457372A3 (en) * 1987-10-30 1992-02-19 Ampex Corporation Magnetic transducer having a common core for erasing and recording

Also Published As

Publication number Publication date
DE2142605A1 (de) 1972-03-02
JPS5219087B1 (enExample) 1977-05-26
GB1356005A (en) 1974-06-12
CA960355A (en) 1974-12-31
BE771786A (fr) 1972-02-28
US3668332A (en) 1972-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse