GB708133A - Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material - Google Patents

Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material

Info

Publication number
GB708133A
GB708133A GB20138/51A GB2013851A GB708133A GB 708133 A GB708133 A GB 708133A GB 20138/51 A GB20138/51 A GB 20138/51A GB 2013851 A GB2013851 A GB 2013851A GB 708133 A GB708133 A GB 708133A
Authority
GB
United Kingdom
Prior art keywords
relay
high permeability
permanent magnet
armature
contact
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
GB20138/51A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB708133A publication Critical patent/GB708133A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets 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
    • H01F1/0311—Compounds
    • H01F1/0313—Oxidic compounds
    • H01F1/0315—Ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electromagnets (AREA)
GB20138/51A 1951-04-23 1951-08-27 Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material Expired GB708133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL708133X 1951-04-23

Publications (1)

Publication Number Publication Date
GB708133A true GB708133A (en) 1954-04-28

Family

ID=19812124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20138/51A Expired GB708133A (en) 1951-04-23 1951-08-27 Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material

Country Status (4)

Country Link
DE (1) DE976970C (da)
FR (1) FR1041523A (da)
GB (1) GB708133A (da)
NL (1) NL81703C (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1187151A1 (en) * 2000-09-08 2002-03-13 Tokin Corporation Magnetic core having an effective magnetic bias and magnetic device using the magnetic core

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064600B (de) * 1954-07-19 1959-09-03 Siemens Ag Magnetsystem fuer Schuetze
DE1059197B (de) * 1955-06-14 1959-06-11 Licentia Gmbh Schreibkopf fuer magnetische Aufzeichnungen nach dem Grenzlinien-verschiebungsverfahren
NL282929A (da) * 1961-09-06
DE102004018791A1 (de) * 2004-04-15 2005-11-03 Tyco Electronics Amp Gmbh Relaisantrieb, Relais und Bausatz für monostabiles und bistabiles Relais
DE102007019684A1 (de) * 2007-04-24 2008-11-06 Tyco Electronics Austria Gmbh Magnetsystem für eine elektrische Schaltvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB406086A (en) * 1932-11-03 1934-02-22 Darwins Ltd Improvements in or relating to permanent magnets
GB463783A (en) * 1935-11-19 1937-04-06 British Thomson Houston Co Ltd Improvements relating to dynamo-electric machines and rotor elements therefor
DE667646C (de) * 1935-11-22 1938-11-17 Dynamit Act Ges Vormals Alfred Laeufer bzw. Staender fuer elektrische Maschinen
DE846863C (de) * 1942-08-10 1952-08-18 Siemens Ag Relais
CH261748A (de) * 1944-09-28 1949-05-31 Siemens Elektricitaetserzeugni Durch ein Feld beeinflusstes Widerstandsgebilde.
DE862033C (de) * 1950-09-29 1953-01-08 Max Baermann Nach dem Drehmagnetprinzip arbeitendes Anzeigegeraet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1187151A1 (en) * 2000-09-08 2002-03-13 Tokin Corporation Magnetic core having an effective magnetic bias and magnetic device using the magnetic core
US6545582B2 (en) 2000-09-08 2003-04-08 Nec Tokin Corporation Magnetic core having an effective magnetic bias and magnetic device using the magnetic core
SG106632A1 (en) * 2000-09-08 2004-10-29 Nec Tokin Corp Magnetic core having an effective magnetic bias and magnetic device using the magnetic core

Also Published As

Publication number Publication date
FR1041523A (fr) 1953-10-23
DE976970C (de) 1964-10-01
NL81703C (da)

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