GB794976A - Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus - Google Patents

Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus

Info

Publication number
GB794976A
GB794976A GB1273155A GB1273155A GB794976A GB 794976 A GB794976 A GB 794976A GB 1273155 A GB1273155 A GB 1273155A GB 1273155 A GB1273155 A GB 1273155A GB 794976 A GB794976 A GB 794976A
Authority
GB
United Kingdom
Prior art keywords
magnetic
reduced
relating
reproducing apparatus
magnetic recording
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
GB1273155A
Inventor
Gilbert Faraday Dutton
William David Brunt
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB1273155A priority Critical patent/GB794976A/en
Publication of GB794976A publication Critical patent/GB794976A/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
    • 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)

Abstract

794,976. Magnetic recording and reproducing heads. ELECTRIC & MUSICAL INDUSTRIES, Ltd. April 25, 1956 [May 3, 1955], No. 12731/55. Class 40 (2). A multi-track magnetic transducing head having a plurality of magnetic cores, has at least one portion of each core reduced in thickness around which portion an inductive winding is arranged. In one embodiment, Fig. 1, the reduced portions form tongued ends 5 of the halves 1, 2, 3, 4 of the cores which meet together within the windings 16, 17. In another embodiment, one half 25 only of each core is reduced in thickness midway along its length, as shown at 30, Fig. 5b, and these portions with coils wound thereon are arranged in diametrically opposed relation when assembled between non-magnetic clamps 33, 35. Specification 794,977 is referred to.
GB1273155A 1955-05-03 1955-05-03 Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus Expired GB794976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1273155A GB794976A (en) 1955-05-03 1955-05-03 Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1273155A GB794976A (en) 1955-05-03 1955-05-03 Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus

Publications (1)

Publication Number Publication Date
GB794976A true GB794976A (en) 1958-05-14

Family

ID=10010058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1273155A Expired GB794976A (en) 1955-05-03 1955-05-03 Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus

Country Status (1)

Country Link
GB (1) GB794976A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177297A (en) * 1959-06-16 1965-04-06 Sony Corp Boundary displacement multi-channel magnetic head
JPS479412U (en) * 1971-02-24 1972-10-04
JPS4888009U (en) * 1972-01-25 1973-10-24

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177297A (en) * 1959-06-16 1965-04-06 Sony Corp Boundary displacement multi-channel magnetic head
JPS479412U (en) * 1971-02-24 1972-10-04
JPS4888009U (en) * 1972-01-25 1973-10-24

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