DE2024997A1 - Einrichtung zur Erfassung von magne tischen Feldern - Google Patents

Einrichtung zur Erfassung von magne tischen Feldern

Info

Publication number
DE2024997A1
DE2024997A1 DE19702024997 DE2024997A DE2024997A1 DE 2024997 A1 DE2024997 A1 DE 2024997A1 DE 19702024997 DE19702024997 DE 19702024997 DE 2024997 A DE2024997 A DE 2024997A DE 2024997 A1 DE2024997 A1 DE 2024997A1
Authority
DE
Germany
Prior art keywords
permanent magnet
field
air gap
axis
guide pieces
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.)
Granted
Application number
DE19702024997
Other languages
German (de)
English (en)
Other versions
DE2024997C3 (es
DE2024997B2 (es
Inventor
Frank Dipl Ing 8520 Er langen Langweiler
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19702024997 priority Critical patent/DE2024997A1/de
Priority to GB1383671A priority patent/GB1320857A/en
Priority to FR7118347A priority patent/FR2090217B1/fr
Priority to AT439971A priority patent/AT311490B/de
Priority to ES391424A priority patent/ES391424A1/es
Publication of DE2024997A1 publication Critical patent/DE2024997A1/de
Publication of DE2024997B2 publication Critical patent/DE2024997B2/de
Application granted granted Critical
Publication of DE2024997C3 publication Critical patent/DE2024997C3/de
Granted 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE19702024997 1970-05-22 1970-05-22 Einrichtung zur Erfassung von magne tischen Feldern Granted DE2024997A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19702024997 DE2024997A1 (de) 1970-05-22 1970-05-22 Einrichtung zur Erfassung von magne tischen Feldern
GB1383671A GB1320857A (en) 1970-05-22 1971-05-07 Magnetic field monitoring devices
FR7118347A FR2090217B1 (es) 1970-05-22 1971-05-21
AT439971A AT311490B (de) 1970-05-22 1971-05-21 Einrichtung zur Erfassung von magnetischen Feldern
ES391424A ES391424A1 (es) 1970-05-22 1971-05-21 Perfeccionamientos en dispositivos para detectar campos magneticos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702024997 DE2024997A1 (de) 1970-05-22 1970-05-22 Einrichtung zur Erfassung von magne tischen Feldern

Publications (3)

Publication Number Publication Date
DE2024997A1 true DE2024997A1 (de) 1972-01-27
DE2024997B2 DE2024997B2 (es) 1974-03-21
DE2024997C3 DE2024997C3 (es) 1974-10-17

Family

ID=5771781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702024997 Granted DE2024997A1 (de) 1970-05-22 1970-05-22 Einrichtung zur Erfassung von magne tischen Feldern

Country Status (5)

Country Link
AT (1) AT311490B (es)
DE (1) DE2024997A1 (es)
ES (1) ES391424A1 (es)
FR (1) FR2090217B1 (es)
GB (1) GB1320857A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577250A (en) * 1981-12-18 1986-03-18 Victor Company Of Japan, Limited Hall effect magnetic head
NL8600390A (nl) * 1986-02-17 1987-09-16 Philips Nv Magneetkop met magnetoweerstandselement.
GB2202635B (en) * 1987-03-26 1991-10-30 Devon County Council Detection of magnetic fields
US6714374B1 (en) * 2000-08-31 2004-03-30 Nec Corporation Magnetoresistive sensor, magnetoresistive head, and magnetic recording/reproducing apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1392375A (fr) * 1964-05-08 1965-03-12 Siemens Ag Appareil de mesure de champ magnétique, comportant une résistance variant en fonction de ce champ
DE1489088A1 (de) * 1964-10-30 1969-05-29 List Dipl Ing Heinrich Polarisiertes elektromagnetisches Antriebssystem
DE1516964C3 (de) * 1966-04-21 1973-09-13 Siemens Ag, 1000 Berlin U. 8000 Muenchen Magnetfeldsonde zur Messung schwa eher magnetischer Felder

Also Published As

Publication number Publication date
DE2024997C3 (es) 1974-10-17
DE2024997B2 (es) 1974-03-21
AT311490B (de) 1973-11-26
FR2090217B1 (es) 1974-10-11
FR2090217A1 (es) 1972-01-14
ES391424A1 (es) 1973-07-01
GB1320857A (en) 1973-06-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee