FR2184028A1 - - Google Patents

Info

Publication number
FR2184028A1
FR2184028A1 FR7316779A FR7316779A FR2184028A1 FR 2184028 A1 FR2184028 A1 FR 2184028A1 FR 7316779 A FR7316779 A FR 7316779A FR 7316779 A FR7316779 A FR 7316779A FR 2184028 A1 FR2184028 A1 FR 2184028A1
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.)
Granted
Application number
FR7316779A
Other languages
French (fr)
Other versions
FR2184028B3 (xx
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.)
GRESHAM INFOMAG Ltd
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
Publication of FR2184028A1 publication Critical patent/FR2184028A1/fr
Application granted granted Critical
Publication of FR2184028B3 publication Critical patent/FR2184028B3/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
    • G11B5/187—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
FR7316779A 1972-05-09 1973-05-09 Expired FR2184028B3 (xx)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2184028A1 true FR2184028A1 (xx) 1973-12-21
FR2184028B3 FR2184028B3 (xx) 1976-04-23

Family

ID=10166312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7316779A Expired FR2184028B3 (xx) 1972-05-09 1973-05-09

Country Status (7)

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

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
KR101274314B1 (ko) * 2008-09-24 2013-06-13 신닛테츠스미킨 카부시키카이샤 타르 함유 가스의 개질용 촉매의 제조 방법, 타르 개질 방법 및 타르 함유 가스의 개질용 촉매의 재생 방법

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
US3864753A (en) 1975-02-04
FR2184028B3 (xx) 1976-04-23
GB1416534A (en) 1975-12-03
IT988179B (it) 1975-04-10
NL7306398A (xx) 1973-11-13
DE2323402A1 (de) 1973-12-13
JPS4962117A (xx) 1974-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse