GB1323093A - Magnetic recording method - Google Patents

Magnetic recording method

Info

Publication number
GB1323093A
GB1323093A GB3319770A GB3319770A GB1323093A GB 1323093 A GB1323093 A GB 1323093A GB 3319770 A GB3319770 A GB 3319770A GB 3319770 A GB3319770 A GB 3319770A GB 1323093 A GB1323093 A GB 1323093A
Authority
GB
United Kingdom
Prior art keywords
polepieces
magnetic recording
july
produce
recording method
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
GB3319770A
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1323093A publication Critical patent/GB1323093A/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

1323093 Magnetic recording FUJI PHOTO FILM CO Ltd 8 July 1970 [11 July 1969] 33197/70 Heading G5R Audio or video signals are magnetically recorded by a head having polepieces 1, 2 defining a gap 7 and carrying respective coils 4, 5 so connected to the signal source 6 that solely by the coils 4, 5 the pole faces 10, 20 are magnetized to the same polarity to produce a concentrated recording field. As shown, the polepieces are of ferrite joined to a non-magnetizable support 3. The polepieces and/or coil parameters may be chosen so as to produce an inclined recording field (Fig. 2B, not shown).
GB3319770A 1969-07-11 1970-07-08 Magnetic recording method Expired GB1323093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5491169A JPS5031816B1 (en) 1969-07-11 1969-07-11

Publications (1)

Publication Number Publication Date
GB1323093A true GB1323093A (en) 1973-07-11

Family

ID=12983768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3319770A Expired GB1323093A (en) 1969-07-11 1970-07-08 Magnetic recording method

Country Status (3)

Country Link
JP (1) JPS5031816B1 (en)
DE (1) DE2034164C3 (en)
GB (1) GB1323093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053944A1 (en) * 1980-12-09 1982-06-16 Matsushita Electric Industrial Co., Ltd. A perpendicular magnetic recording and reproducing head apparatus and a magnetic recording system using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683661B1 (en) * 1991-11-08 1994-02-04 Schlumberger Industries MAGNETIC HEAD HAVING A MAGNETIC LEAK COMPENSATION COILING SYSTEM.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053944A1 (en) * 1980-12-09 1982-06-16 Matsushita Electric Industrial Co., Ltd. A perpendicular magnetic recording and reproducing head apparatus and a magnetic recording system using the same

Also Published As

Publication number Publication date
DE2034164A1 (en) 1972-02-03
DE2034164B2 (en) 1973-10-04
DE2034164C3 (en) 1974-05-02
JPS5031816B1 (en) 1975-10-15

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years