AT272690B - Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen - Google Patents

Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen

Info

Publication number
AT272690B
AT272690B AT976765A AT976765A AT272690B AT 272690 B AT272690 B AT 272690B AT 976765 A AT976765 A AT 976765A AT 976765 A AT976765 A AT 976765A AT 272690 B AT272690 B AT 272690B
Authority
AT
Austria
Prior art keywords
recording
magnetic head
reproducing information
reproducing
information
Prior art date
Application number
AT976765A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT272690B publication Critical patent/AT272690B/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Magnetic Heads (AREA)
AT976765A 1962-07-25 1963-07-22 Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen AT272690B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL281410 1962-07-25

Publications (1)

Publication Number Publication Date
AT272690B true AT272690B (de) 1969-07-10

Family

ID=19754007

Family Applications (2)

Application Number Title Priority Date Filing Date
AT976765A AT272690B (de) 1962-07-25 1963-07-22 Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen
AT583163A AT252590B (de) 1962-07-25 1963-07-22 Verfahren zur Herstellung eines polykristallinen Nickelzinkferritkörpers

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT583163A AT252590B (de) 1962-07-25 1963-07-22 Verfahren zur Herstellung eines polykristallinen Nickelzinkferritkörpers

Country Status (12)

Country Link
US (1) US3472780A (de)
AT (2) AT272690B (de)
BE (1) BE635327A (de)
CH (1) CH443111A (de)
DE (1) DE1449403B2 (de)
DK (1) DK116014B (de)
ES (1) ES290223A1 (de)
FR (1) FR1390192A (de)
GB (1) GB1010577A (de)
LU (1) LU44114A1 (de)
NL (1) NL281410A (de)
OA (1) OA00732A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1799008B1 (de) * 1967-02-14 1976-12-16 Matsushita Electric Ind Co Ltd Gesintertes ferrit und verfahren zu seiner herstellung
US3524252A (en) * 1968-08-05 1970-08-18 Ibm Method of ultrasonically treating ferrite cores
NL6904352A (de) * 1969-03-20 1970-09-22
US3948785A (en) * 1971-01-04 1976-04-06 Jean Berchtold Process of manufacturing ferrite materials with improved magnetic and mechanical properties
US4059664A (en) * 1971-12-14 1977-11-22 Thomson-Csf Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices
FR2165011A5 (de) * 1971-12-14 1973-08-03 Thomson Csf
JPS605044B2 (ja) * 1975-02-07 1985-02-08 日立金属株式会社 フエライトの製造方法
JPS6012767B2 (ja) * 1976-10-22 1985-04-03 日立金属株式会社 高密度Ｎｉ−Ｚｎフエライトの製造方法
JPS58144839A (ja) * 1982-02-13 1983-08-29 Tdk Corp 磁性キヤリヤ粒子
US4440713A (en) * 1982-09-30 1984-04-03 International Business Machines Corp. Process for making fine magnetic ferrite powder and dense ferrite blocks
US6057649A (en) * 1993-05-11 2000-05-02 U.S. Philips Corporation Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein
CN1041575C (zh) * 1993-05-11 1999-01-06 皇家菲利浦电子有限公司 NiZn铁氧体材料的变压器或电感器烧结磁芯
BE1007053A3 (nl) * 1993-05-11 1995-02-28 Philips Electronics Nv Gesinterde transformatorkern van nizn-ferrietmateriaal.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452529A (en) * 1941-10-24 1948-10-26 Hartford Nat Bank & Trust Co Magnet core
US2703787A (en) * 1952-11-18 1955-03-08 Henry L Crowley & Company Inc Method for preparing magnetic compositions
US3038199A (en) * 1960-01-27 1962-06-12 Western Electric Co Method and apparatus for pressing moldable material
US3189550A (en) * 1961-03-07 1965-06-15 Walter W Malinofsky Process of making ferrite magnetic core material

Also Published As

Publication number Publication date
AT252590B (de) 1967-02-27
US3472780A (en) 1969-10-14
DK116014B (da) 1969-12-01
CH443111A (de) 1967-08-31
BE635327A (de) 1964-01-23
DE1449403A1 (de) 1969-08-28
DE1449403B2 (de) 1976-07-29
LU44114A1 (de) 1963-09-23
ES290223A1 (es) 1963-10-16
GB1010577A (en) 1965-11-17
NL281410A (de) 1964-12-10
FR1390192A (fr) 1965-02-26
OA00732A (fr) 1967-07-15

Similar Documents

Publication Publication Date Title
CH416746A (de) Magnetisierbarer Aufzeichnungsträger
FR1412758A (fr) Disque d'enregistrement magnétique souple
AT346082B (de) Bandgeraet zur aufzeichnung und/oder wiedergabe von informationen
AT272690B (de) Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen
CH455353A (de) Einrichtung zur Aufzeichnung und Wiedergabe von Information
CH405426A (de) Magnetkopf zum Aufzeichnen und Ablesen von digitalen Signalen
CH388653A (de) Apparat zur Aufzeichnung und/oder Wiedergabe von Tonregistrierungen
AT317574B (de) Gerät zum Aufnehmen und/oder Wiedergeben von magnetischen Aufzeichnungen auf einen bzw. von einem bandförmigen Aufzeichnungsträger
AT259258B (de) Mehrspurmagnetkopf zum Aufzeichnen, Wiedergeben und/oder Löschen magnetischer Aufzeichnungen und Verfahren zum Herstellen solcher Magnetköpfe
CH504754A (de) Gerät zum Aufnehmen und/oder Wiedergeben magnetischer Aufzeichnungen
FR1305041A (fr) Appareil d'enregistrement et de reproduction magnétique
DK109056C (da) Magnetisk registrerings- og gengiveapparat.
CH409001A (de) Aufnahme- und/oder Wiedergabevorrichtung zum magnetischen Aufzeichnen und Abtasten von Bildsignalen
CH528798A (de) Vorrichtung zum magnetischen Aufzeichnen und Lesen von Daten
AT346616B (de) Geraet zum aufnehmen und/oder wiedergeben von informationssignalen
AT315528B (de) Aufzeichnungs- und/oder Wiedergabegerät
AT314219B (de) Aufzeichnungs- und/oder Wiedergabegerät
AT311693B (de) Aufzeichnungs- und/oder Wiedergabegerät
CH521001A (de) Verfahren zum Aufzeichnen und Wiedergeben von Informationen
BE790000A (fr) Tete d'enregistrement et de lecture magnetiques
CH449695A (de) Verfahren zum Aufzeichnen und/oder Wiedergeben von Videosignalen
CH429220A (de) Magnetisches Aufnahme- und Wiedergabegerät
AT276937B (de) Verfahren zur Aufzeichnung und Reproduktion von Informationen
AT272693B (de) Gerät zur Aufnahme und/oder Wiedergabe magnetischer Aufzeichnungen auf einem bandförmigen Aufzeichnungsträger
CH468137A (de) Magnetband-Aufzeichnungs- und/oder Wiedergabegerät