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CA969272A - Unitary magnetic device and manufacturing method - Google Patents

Unitary magnetic device and manufacturing method

Info

Publication number
CA969272A
CA969272A CA121,685A CA121685A CA969272A CA 969272 A CA969272 A CA 969272A CA 121685 A CA121685 A CA 121685A CA 969272 A CA969272 A CA 969272A
Authority
CA
Canada
Prior art keywords
manufacturing
magnetic device
unitary magnetic
unitary
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
CA121,685A
Other languages
English (en)
Other versions
CA121685S (en
Inventor
John R. Wiegand
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA121685A priority Critical patent/CA936574A/en
Application granted granted Critical
Publication of CA969272A publication Critical patent/CA969272A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/642Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent self supporting magnetic material, e.g. magnetisable wires
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06085Multi-aperture structures or multi-magnetic closed circuits, each aperture storing a "bit", realised by rods, plates, grids, waffle-irons,(i.e. grooved plates) or similar devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0304Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Artificial Intelligence (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Treatment Devices (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Hard Magnetic Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
CA121,685A 1970-11-02 1971-08-30 Unitary magnetic device and manufacturing method Expired CA969272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA121685A CA936574A (en) 1971-08-30 1971-08-30 Selective mounting device for in-line switches

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8616970A 1970-11-02 1970-11-02
US13756771A 1971-04-26 1971-04-26
US17307071A 1971-08-19 1971-08-19

Publications (1)

Publication Number Publication Date
CA969272A true CA969272A (en) 1975-06-10

Family

ID=27375337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA121,685A Expired CA969272A (en) 1970-11-02 1971-08-30 Unitary magnetic device and manufacturing method

Country Status (13)

Country Link
JP (1) JPS5515797B1 (es)
AR (1) AR197774A1 (es)
BE (1) BE771956A (es)
CA (1) CA969272A (es)
CH (1) CH564243A5 (es)
DE (1) DE2143326A1 (es)
ES (2) ES394664A1 (es)
FR (1) FR2112927A5 (es)
GB (1) GB1369903A (es)
IL (1) IL37613A (es)
IT (1) IT939766B (es)
NL (1) NL175478C (es)
SE (1) SE377627B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008526C2 (de) * 1980-03-06 1981-11-26 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim Gleichstrom-Grenzwertgeber
DE3008583C2 (de) * 1980-03-06 1987-01-15 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Impulstransformator zum Zünden von Thyristoren und Triacs
DE3008527C2 (de) * 1980-03-06 1982-04-29 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim Schaltungsanordnung zur digitalen Fernübertragung von Signalen
DE3014783C2 (de) * 1980-04-17 1981-12-24 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim Impulsgenerator
JPS5843667A (ja) * 1981-09-09 1983-03-14 Sony Corp 表示装置
DE3152008C1 (de) * 1981-12-31 1983-07-07 Fried. Krupp Gmbh, 4300 Essen Langgestreckter magnetischer Schaltkern
DE3205586C2 (de) * 1982-02-17 1985-10-03 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Elektromechanische Schließeinrichtung für Magnetschlüssel
DE3225499C2 (de) * 1982-07-08 1984-05-24 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Magnetischer Näherungssensor
DE3225500A1 (de) * 1982-07-08 1984-01-12 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Magnetischer fuehler
DE3729418A1 (de) * 1987-09-03 1989-03-16 Vacuumschmelze Gmbh Spulenkern fuer eine induktive, frequenzunabhaengige schaltvorrichtung
DE3741780A1 (de) * 1987-12-10 1989-06-29 Karl Harms Handels Gmbh & Co K Magnetisches diebstahl- bzw. einbruch-sicherungssystem sowie hierfuer geeignetes sensor-metallelement
DE3829269A1 (de) * 1988-08-30 1990-03-01 Leybold Ag Indikator zum nachweis des ueberschreitens einer bestimmten feldstaerke eines magnetfeldes
CN1388837A (zh) * 2000-07-17 2003-01-01 日本发条株式会社 磁性标记与其制造方法
DE10259223B3 (de) * 2002-11-20 2004-02-12 Mehnert, Walter, Dr. Positionsdetektor
DE102017002939B3 (de) 2017-03-24 2018-07-19 Sew-Eurodrive Gmbh & Co Kg Vorrichtung, insbesondere Maschine, zum Herstellen von Wieganddraht aus einem Draht, insbesondere Impulsdraht, und Verfahren zum Betreiben der Vorrichtung
EP4394329A1 (de) 2022-12-31 2024-07-03 POLDI microelectronics GmbH Vorrichtung zur messung von magnetischen feldern
EP4394416A1 (de) 2022-12-31 2024-07-03 POLDI microelectronics GmbH Integrierte schaltung zur messung von magnetischen feldern und zur messung der polarisation von licht

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299034B (de) * 1961-07-20 1969-07-10 Sperry Rand Corp Parametron
GB1052649A (es) * 1964-06-05

Also Published As

Publication number Publication date
IT939766B (it) 1973-02-10
NL175478B (nl) 1984-06-01
BE771956A (fr) 1971-12-31
JPS5515797B1 (es) 1980-04-25
ES198819Y (es) 1975-11-16
GB1369903A (en) 1974-10-09
IL37613A (en) 1974-05-16
ES198819U (es) 1975-06-16
ES394664A1 (es) 1974-09-16
DE2143326C2 (es) 1983-10-06
DE2143326A1 (de) 1972-05-04
NL175478C (nl) 1984-11-01
FR2112927A5 (es) 1972-06-23
NL7111920A (es) 1972-05-04
CH564243A5 (es) 1975-07-15
SE377627B (es) 1975-07-14
IL37613A0 (en) 1971-11-29
AR197774A1 (es) 1974-05-10

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