GB1112804A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
GB1112804A
GB1112804A GB2391366A GB2391366A GB1112804A GB 1112804 A GB1112804 A GB 1112804A GB 2391366 A GB2391366 A GB 2391366A GB 2391366 A GB2391366 A GB 2391366A GB 1112804 A GB1112804 A GB 1112804A
Authority
GB
United Kingdom
Prior art keywords
air gaps
magnetic head
magnetic
head
polepieces
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
GB2391366A
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 Standard Electric Corp
Original Assignee
International Standard Electric 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 Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1112804A publication Critical patent/GB1112804A/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
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23—Gap features
    • 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

Abstract

1,112,804. Magnetic recording &c. heads. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 27 May, 1966 [2 June, 1965], No. 23913/66. Heading G5R. Two independent signals on the same track may be recorded or read simultaneously by a head comprising two intersecting air gaps 30, 31 formed by four polepieces 32, 33, 34, 35, each air gap having a separate magnetic circuit and winding 37 or 38. The magnetic circuits are completed through a cross-shaped member 36 which carries the windings 37, 38 on its diagonals. The two air gaps 30, 31 are preferably at right-angles to each other and at 45 degrees to the direction of movement 41 of the tape 40.
GB2391366A 1965-06-02 1966-05-27 Magnetic head Expired GB1112804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR19185A FR1445660A (en) 1965-06-02 1965-06-02 Magnetic recording and playback device

Publications (1)

Publication Number Publication Date
GB1112804A true GB1112804A (en) 1968-05-08

Family

ID=8580549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2391366A Expired GB1112804A (en) 1965-06-02 1966-05-27 Magnetic head

Country Status (2)

Country Link
FR (1) FR1445660A (en)
GB (1) GB1112804A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642705A (en) * 1982-08-06 1987-02-10 Lemelson Jerome H Magnetic recording and reproduction apparatus, system and method

Also Published As

Publication number Publication date
FR1445660A (en) 1966-07-15

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