FR1116576A - Tête magnétique à pouvoir séparateur élevé - Google Patents

Tête magnétique à pouvoir séparateur élevé

Info

Publication number
FR1116576A
FR1116576A FR1116576DA FR1116576A FR 1116576 A FR1116576 A FR 1116576A FR 1116576D A FR1116576D A FR 1116576DA FR 1116576 A FR1116576 A FR 1116576A
Authority
FR
France
Prior art keywords
magnetic head
resolving power
high resolving
power
magnetic
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
Other languages
English (en)
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.)
STIFTERVERBAND fur DIE DEUTSC
Original Assignee
STIFTERVERBAND fur DIE DEUTSC
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 STIFTERVERBAND fur DIE DEUTSC filed Critical STIFTERVERBAND fur DIE DEUTSC
Application granted granted Critical
Publication of FR1116576A publication Critical patent/FR1116576A/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
    • G11B5/17—Construction or disposition of windings
    • 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
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR1116576D 1953-12-28 1954-12-27 Tête magnétique à pouvoir séparateur élevé Expired FR1116576A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST7566A DE1031981B (de) 1953-12-28 1953-12-28 Magnetkopf zur Erzeugung praktisch punktfoermiger Zeichen

Publications (1)

Publication Number Publication Date
FR1116576A true FR1116576A (fr) 1956-05-09

Family

ID=7454302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116576D Expired FR1116576A (fr) 1953-12-28 1954-12-27 Tête magnétique à pouvoir séparateur élevé

Country Status (5)

Country Link
US (1) US2939920A (fr)
CH (1) CH330884A (fr)
DE (1) DE1031981B (fr)
FR (1) FR1116576A (fr)
NL (1) NL193492A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153070B (de) * 1958-12-08 1963-08-22 Internat Business Maschines Co Stabmagnetkopf mit getrenntem Polstueck zur Aufzeichnung von Signalen kleiner Flaechenausdehnung und Verfahren zur Herstellung der Schicht des Polstueckes
DE1171957B (de) * 1960-09-03 1964-06-11 Elektronische Rechenmasch Ind Magnetkopf zur Erzeugung punktfoermiger Zeichen und Vorrichtung zu seiner Herstellung sowie Vorrichtung zu seiner Halterung
US3140361A (en) * 1960-12-30 1964-07-07 Ampex Magnetic head assembly
GB934898A (en) * 1961-05-30 1963-08-21 Tape Heads Ltd Electro-magnetic transducer heads
DE1234793B (de) * 1961-05-30 1967-02-23 Bsr Ltd Spalt-Loeschkopf
US3633274A (en) * 1966-07-13 1972-01-11 Ncr Co Method of making magnetic head device
US3542971A (en) * 1967-08-21 1970-11-24 Dennis Willard Magnetic transducer having positioning surfaces
US3710362A (en) * 1971-09-13 1973-01-09 A Kronfeld Hand held transducer insensitive to angular orientation
JPS56928B2 (fr) * 1972-12-07 1981-01-10
DE3002233A1 (de) * 1980-01-23 1981-07-30 Robert Bosch Gmbh, 7000 Stuttgart Kurzschlussbringgeber mit mindestens einer hochpermeablen folie
US4894736A (en) * 1987-10-30 1990-01-16 Ampex Corporation Bendable E-shaped transducer
DE4036648B4 (de) * 1989-11-20 2005-07-07 Kropp, Ellen Vorrichtung zur Beeinflussung von Flüssigkeiten durch Magnetfelder
KR20210000449A (ko) 2019-06-25 2021-01-05 삼성전자주식회사 무선 센싱 장치, 건조기 및 그 제어 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US739252A (en) * 1903-05-13 1903-09-15 Hugh R Ashby Wrench.
US789679A (en) * 1904-11-16 1905-05-09 John Turnbull Chuck or tool-holder for rock-drills or other machines.
US2144844A (en) * 1936-08-06 1939-01-24 Bell Telephone Labor Inc Magnetic telegraphone
US2469444A (en) * 1945-04-30 1949-05-10 Rca Corp Magnetic sound recording and reproducing transducer
US2653189A (en) * 1948-02-12 1953-09-22 Armour Res Found Electromagnetic transducer head
US2693508A (en) * 1948-11-13 1954-11-02 Gen Electric Magnetic recording, reproducing or erasing head
GB661428A (en) * 1949-06-09 1951-11-21 Joseph Walter Frank Barker A magnetic sound head and/or erase head
US2668878A (en) * 1950-07-29 1954-02-09 Webster Electric Co Inc Transducer
DE844674C (de) * 1950-10-19 1952-07-24 Lois Leitner Magnetkopf fuer Magnettongeraete
GB693346A (en) * 1952-02-01 1953-06-24 Int Research & Dev Co Ltd Improvements in or relating to magnetic recorder head assembly

Also Published As

Publication number Publication date
DE1031981B (de) 1958-06-12
US2939920A (en) 1960-06-07
NL193492A (fr)
CH330884A (de) 1958-06-30

Similar Documents

Publication Publication Date Title
FR1116576A (fr) Tête magnétique à pouvoir séparateur élevé
FR1106935A (fr) Filage par fusion
CH325981A (de) Vierfachsteckdose mit Schutzkontakt
FR1096469A (fr) Bobine
FR1107017A (fr) électrode carbonée
CH320362A (fr) Pantographe
FR1106178A (fr) Tête magnétique annulaire
FR1070927A (fr) Perfectionnements aux rasoirs électriques
DK85139C (da) Højspændingstransformatorenhed.
FR1117227A (fr) Bobines électriques
CH337668A (de) Magnetkopf
ES34746Y (es) Juguete-estuche para bordar
ES36212Y (es) Cepillo para dientes
ES36204Y (es) Proyector eléctrico perfeccionado
ES38744Y (es) Canilla eléctrica individual
ES37668Y (es) Bobina perfeccionada
ES36535Y (es) Nueva regla perfeccionada
FR1084193A (fr) Rasoirs électriques
ES38086Y (es) Herramienta para roscas
FR1110069A (fr) Cosse perfectionnée
ES36920Y (es) Martillo eléctrico
AT187062B (de) Elektrohammer
ES35230Y (es) Encendedor eléctrico
ES35402Y (es) Encendedor eléctrico
FR1085156A (fr) Injecteur à lame