ES309692A1 - Dispositivo para reducir o suprimir la influencia relativa en un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas. - Google Patents

Dispositivo para reducir o suprimir la influencia relativa en un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas.

Info

Publication number
ES309692A1
ES309692A1 ES0309692A ES309692A ES309692A1 ES 309692 A1 ES309692 A1 ES 309692A1 ES 0309692 A ES0309692 A ES 0309692A ES 309692 A ES309692 A ES 309692A ES 309692 A1 ES309692 A1 ES 309692A1
Authority
ES
Spain
Prior art keywords
plate
sintered
circuit
ferromagnetic
translation
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
ES0309692A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES309692A1 publication Critical patent/ES309692A1/es
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
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • 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
    • 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)
ES0309692A 1964-02-25 1965-02-23 Dispositivo para reducir o suprimir la influencia relativa en un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas. Expired ES309692A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646401746A NL145079B (nl) 1964-02-25 1964-02-25 Inrichting voor het verminderen, c.q. opheffen van overspraak bij een dubbelspleetsmagneetkop.

Publications (1)

Publication Number Publication Date
ES309692A1 true ES309692A1 (es) 1965-06-01

Family

ID=19789379

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0309692A Expired ES309692A1 (es) 1964-02-25 1965-02-23 Dispositivo para reducir o suprimir la influencia relativa en un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas.

Country Status (10)

Country Link
US (1) US3373416A (US07902200-20110308-C00004.png)
AT (1) AT249398B (US07902200-20110308-C00004.png)
BE (1) BE660186A (US07902200-20110308-C00004.png)
CH (1) CH437838A (US07902200-20110308-C00004.png)
DK (1) DK118927B (US07902200-20110308-C00004.png)
ES (1) ES309692A1 (US07902200-20110308-C00004.png)
FR (1) FR1425208A (US07902200-20110308-C00004.png)
GB (1) GB1045006A (US07902200-20110308-C00004.png)
NL (1) NL145079B (US07902200-20110308-C00004.png)
NO (1) NO116327B (US07902200-20110308-C00004.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718776A (en) * 1970-12-11 1973-02-27 Ibm Multi-track overlapped-gap magnetic head, assembly
US3752926A (en) * 1971-10-28 1973-08-14 P Smaller Long wavelength signal enhancement for contact magnetic transfer recording
US3986209A (en) * 1974-04-05 1976-10-12 Control Data Corporation Magnetic read head with offset flux gaps
JPS545417A (en) * 1977-06-14 1979-01-16 Tdk Corp Magnetic head
US5157245A (en) * 1988-06-29 1992-10-20 Murata Mfg. Co., Ltd. Magnetic sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922231A (en) * 1956-04-26 1960-01-26 Ibm Magnetic transducer
US3064333A (en) * 1959-06-29 1962-11-20 Ibm Method of making a magnetic transducer
US3252153A (en) * 1962-10-01 1966-05-17 Cons Electrodynamics Corp Cross-feed shield

Also Published As

Publication number Publication date
FR1425208A (fr) 1966-01-14
NO116327B (US07902200-20110308-C00004.png) 1969-03-10
AT249398B (de) 1966-09-26
CH437838A (de) 1967-06-15
GB1045006A (en) 1966-10-05
DK118927B (da) 1970-10-19
US3373416A (en) 1968-03-12
BE660186A (US07902200-20110308-C00004.png) 1965-08-24
NL6401746A (US07902200-20110308-C00004.png) 1965-08-26
NL145079B (nl) 1975-02-17

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