IT988179B - Perfezionamento nelle testine trasduttrici elettromagnetiche per registrazioni e riproduzioni su nastro - Google Patents

Perfezionamento nelle testine trasduttrici elettromagnetiche per registrazioni e riproduzioni su nastro

Info

Publication number
IT988179B
IT988179B IT49918/73A IT4991873A IT988179B IT 988179 B IT988179 B IT 988179B IT 49918/73 A IT49918/73 A IT 49918/73A IT 4991873 A IT4991873 A IT 4991873A IT 988179 B IT988179 B IT 988179B
Authority
IT
Italy
Prior art keywords
reproductions
recordings
tape
improvement
electromagnetic transducer
Prior art date
Application number
IT49918/73A
Other languages
English (en)
Original Assignee
Gresham Infomag 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 Gresham Infomag Ltd filed Critical Gresham Infomag Ltd
Application granted granted Critical
Publication of IT988179B publication Critical patent/IT988179B/it

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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
IT49918/73A 1972-05-09 1973-05-11 Perfezionamento nelle testine trasduttrici elettromagnetiche per registrazioni e riproduzioni su nastro IT988179B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2163872A GB1416534A (en) 1972-05-09 1972-05-09 Transducer head

Publications (1)

Publication Number Publication Date
IT988179B true IT988179B (it) 1975-04-10

Family

ID=10166312

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49918/73A IT988179B (it) 1972-05-09 1973-05-11 Perfezionamento nelle testine trasduttrici elettromagnetiche per registrazioni e riproduzioni su nastro

Country Status (7)

Country Link
US (1) US3864753A (it)
JP (1) JPS4962117A (it)
DE (1) DE2323402A1 (it)
FR (1) FR2184028B3 (it)
GB (1) GB1416534A (it)
IT (1) IT988179B (it)
NL (1) NL7306398A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219020A (en) * 1975-08-04 1977-01-14 Nippon Telegr & Teleph Corp <Ntt> Tertial distortion offsetting equipment
GB1570126A (en) * 1977-03-15 1980-06-25 Data Recording Instr Co Manufacture of magnetic heads
JPH061528B2 (ja) * 1985-09-27 1994-01-05 株式会社三協精機製作所 磁気ヘツドの組み立て方法
AU6032494A (en) * 1993-02-12 1994-08-29 Data Card Corporation Magnetic stripe read/write head
US6639753B1 (en) 2000-09-01 2003-10-28 Hewlett-Packard Development Company, L.P. Method of forming a head assembly, a head assembly, and a linear tape drive
EP2335824B1 (en) * 2008-09-24 2018-03-28 Nippon Steel & Sumitomo Metal Corporation Method for producing catalyst for reforming tar-containing gas, method for reforming tar and method for regenerating catalyst for reforming tar-containing gas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839614A (en) * 1953-06-18 1958-06-17 Leslie C Merrill Magnetic recording head
US2895015A (en) * 1953-09-17 1959-07-14 Rca Corp Magnetic record transducer
US3053940A (en) * 1957-05-20 1962-09-11 Thompson Ramo Wooldridge Inc Electromagnetic head
US3064333A (en) * 1959-06-29 1962-11-20 Ibm Method of making a magnetic transducer
US3316359A (en) * 1963-05-20 1967-04-25 Winston Res Corp Transducer head utilizing electro-magnetic shielding for cross-talk elimination
US3404242A (en) * 1965-06-14 1968-10-01 Hewlett Packard Co Magnetic head holding element

Also Published As

Publication number Publication date
NL7306398A (it) 1973-11-13
US3864753A (en) 1975-02-04
JPS4962117A (it) 1974-06-17
FR2184028A1 (it) 1973-12-21
FR2184028B3 (it) 1976-04-23
GB1416534A (en) 1975-12-03
DE2323402A1 (de) 1973-12-13

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