NL243051A - - Google Patents

Info

Publication number
NL243051A
NL243051A NL243051DA NL243051A NL 243051 A NL243051 A NL 243051A NL 243051D A NL243051D A NL 243051DA NL 243051 A NL243051 A NL 243051A
Authority
NL
Netherlands
Application number
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.)
Publication of NL243051A publication Critical patent/NL243051A/xx

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
    • G11B5/265—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
    • G11B5/1272—Assembling or shaping of elements
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL243051D 1959-09-05 NL243051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL243051 1959-09-05

Publications (1)

Publication Number Publication Date
NL243051A true NL243051A (fr)

Family

ID=19751904

Family Applications (3)

Application Number Title Priority Date Filing Date
NL243051D NL243051A (fr) 1959-09-05
NL243049D NL243049A (fr) 1959-09-05
NL112518D NL112518C (fr) 1959-09-05

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL243049D NL243049A (fr) 1959-09-05
NL112518D NL112518C (fr) 1959-09-05

Country Status (5)

Country Link
US (1) US3237280A (fr)
DE (2) DE1176712B (fr)
ES (1) ES260772A1 (fr)
GB (1) GB945997A (fr)
NL (3) NL112518C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700827A (en) * 1970-01-31 1972-10-24 Nippon Electric Co Magnetic head including thin magnetic film separated by a gap spacer
US4264939A (en) * 1978-05-30 1981-04-28 Victor Company Of Japan, Limited Magnetic erasing head
US4870520A (en) * 1986-05-29 1989-09-26 Magnetic Peripherals Inc. Read/write head with side winding slot

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR884881A (fr) * 1941-08-15 1943-08-30 Weber Walter Procédé et dispositif d'enregistrements sonores magnétiques en vue de la reproduction stéréophonique
CH252162A (de) * 1946-01-11 1947-12-15 Beka St Aubin Ag Sprechkopf an Magnettongeräten.
US2810020A (en) * 1950-08-12 1957-10-15 Klangfilm Gmbh Magnetic head for sound-recording apparatus and the like
GB721755A (en) * 1951-06-08 1955-01-12 Clevite Corp Magnetic transducer head and method of making same
US2915812A (en) * 1953-04-21 1959-12-08 Rca Corp Method of constructing magnetic heads
GB772311A (en) * 1954-01-29 1957-04-10 Ibm Magnetic transducer
DE1784946A1 (fr) * 1955-08-25
US2967750A (en) * 1956-04-04 1961-01-10 Sonotone Corp Magnetic record transducing heads
FR1213217A (fr) * 1959-01-06 1960-03-29 Bull Sa Machines Tête magnétique multiple

Also Published As

Publication number Publication date
US3237280A (en) 1966-03-01
GB945997A (en) 1964-01-08
DE1176712B (de) 1964-08-27
NL112518C (fr)
NL243049A (fr)
ES260772A1 (es) 1960-11-16
DE1140357B (de) 1962-11-29

Similar Documents

Publication Publication Date Title
FR449M (fr)
FR1194325A (fr)
FR1193998A (fr)
BE584079A (fr)
BE584431A (fr)
NL258801A (fr)
NL257950A (fr)
NL112518C (fr)
NL254779A (fr)
NL250403A (fr)
NL113570C (fr)
LU38862A1 (fr)
BE450855A (fr)
BE596861A (fr)
BE587683A (fr)
BE586294A (fr)
BE586272A (fr)
BE586259A (fr)
BE586250A (fr)
BE586067A (fr)
BE585940A (fr)
BE585872A (fr)
BE585566A (fr)
BE585394A (fr)
BE585340A (fr)