FR2039791A5 - - Google Patents

Info

Publication number
FR2039791A5
FR2039791A5 FR7010120A FR7010120A FR2039791A5 FR 2039791 A5 FR2039791 A5 FR 2039791A5 FR 7010120 A FR7010120 A FR 7010120A FR 7010120 A FR7010120 A FR 7010120A FR 2039791 A5 FR2039791 A5 FR 2039791A5
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
FR7010120A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of FR2039791A5 publication Critical patent/FR2039791A5/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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G11B5/295—Manufacture
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7010120A 1969-03-22 1970-03-20 Expired FR2039791A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44022487A JPS4936251B1 (fr) 1969-03-22 1969-03-22

Publications (1)

Publication Number Publication Date
FR2039791A5 true FR2039791A5 (fr) 1971-01-15

Family

ID=12084070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7010120A Expired FR2039791A5 (fr) 1969-03-22 1970-03-20

Country Status (6)

Country Link
US (1) US3639700A (fr)
JP (1) JPS4936251B1 (fr)
DE (1) DE2013478A1 (fr)
FR (1) FR2039791A5 (fr)
GB (1) GB1308956A (fr)
NL (1) NL7004011A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227225A (en) * 1977-05-12 1980-10-07 Matsushita Electric Industrial Co., Ltd. Magnetic head assembly
US4194227A (en) * 1977-07-19 1980-03-18 Victor Company Of Japan, Limited Composite magnetic core assembly having at least one side tip for a magnetic head
US4425594A (en) * 1981-09-28 1984-01-10 Obedineni Zavodi Za Zapametyavashti Ustroystva Ceramic-ferrite head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920149A (en) * 1957-11-21 1960-01-05 Sonotone Corp Magnetic record transducing heads
US3390451A (en) * 1962-05-04 1968-07-02 Philips Corp Multi-track magnetic heads and their method of manufacture
NL146311B (nl) * 1965-04-22 1975-06-16 Philips Nv Werkwijze voor het vervaardigen van een dubbelspleets-magneetkop en dubbelspleets-magneetkop volgens deze werkwijze vervaardigd.

Also Published As

Publication number Publication date
JPS4936251B1 (fr) 1974-09-28
NL7004011A (fr) 1970-09-24
GB1308956A (en) 1973-03-07
DE2013478A1 (de) 1970-10-01
US3639700A (en) 1972-02-01

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Legal Events

Date Code Title Description
ST Notification of lapse