GB781851A - Improvements in and relating to electromagnetic devices - Google Patents

Improvements in and relating to electromagnetic devices

Info

Publication number
GB781851A
GB781851A GB23285/53A GB2328553A GB781851A GB 781851 A GB781851 A GB 781851A GB 23285/53 A GB23285/53 A GB 23285/53A GB 2328553 A GB2328553 A GB 2328553A GB 781851 A GB781851 A GB 781851A
Authority
GB
United Kingdom
Prior art keywords
interponent
finger
bar
magnet
contacts
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
GB23285/53A
Other languages
English (en)
Inventor
Frederick Emil Rommel
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing Co 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
Priority to BE531359D priority Critical patent/BE531359A/xx
Priority to BE531358D priority patent/BE531358A/xx
Application filed by Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Priority to GB23285/53A priority patent/GB781851A/en
Priority to GB23286/53A priority patent/GB781852A/en
Priority to US451374A priority patent/US2821598A/en
Publication of GB781851A publication Critical patent/GB781851A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • H01H50/26—Parts movable about a knife edge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
GB23285/53A 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices Expired GB781851A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE531359D BE531359A (enrdf_load_stackoverflow) 1953-08-24
BE531358D BE531358A (enrdf_load_stackoverflow) 1953-08-24
GB23285/53A GB781851A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices
GB23286/53A GB781852A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices
US451374A US2821598A (en) 1953-08-24 1954-08-23 Electromagnetic switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23285/53A GB781851A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices

Publications (1)

Publication Number Publication Date
GB781851A true GB781851A (en) 1957-08-28

Family

ID=10193181

Family Applications (2)

Application Number Title Priority Date Filing Date
GB23286/53A Expired GB781852A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices
GB23285/53A Expired GB781851A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB23286/53A Expired GB781852A (en) 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices

Country Status (3)

Country Link
US (1) US2821598A (enrdf_load_stackoverflow)
BE (2) BE531358A (enrdf_load_stackoverflow)
GB (2) GB781852A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476789A (en) * 1944-03-13 1949-07-19 Ericsson Telefon Ab L M Contact selecting finger for crossbar switches
US2553517A (en) * 1946-02-15 1951-05-15 Isserstedt Siegfreid Gordon Electrical remote control
NL157717B (nl) * 1949-12-08 Marvin Henry Grove En Julie Mi Inrichting voor het teweegbrengen van een gasdruksignaal te gebruiken voor het calibreren en beproeven van op drukveranderingen reagerende apparatuur.

Also Published As

Publication number Publication date
BE531359A (enrdf_load_stackoverflow)
BE531358A (enrdf_load_stackoverflow)
GB781852A (en) 1957-08-28
US2821598A (en) 1958-01-28

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