GB781852A - Improvements in and relating to electromagnetic devices - Google Patents

Improvements in and relating to electromagnetic devices

Info

Publication number
GB781852A
GB781852A GB23286/53A GB2328653A GB781852A GB 781852 A GB781852 A GB 781852A GB 23286/53 A GB23286/53 A GB 23286/53A GB 2328653 A GB2328653 A GB 2328653A GB 781852 A GB781852 A GB 781852A
Authority
GB
United Kingdom
Prior art keywords
knife
edge
armature
aug
recess
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
GB23286/53A
Other languages
English (en)
Inventor
Frederick Emil Rommel
Norman Francis Pettet
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
Application filed by Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Publication of GB781852A publication Critical patent/GB781852A/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)
GB23286/53A 1953-08-24 1953-08-24 Improvements in and relating to electromagnetic devices Expired GB781852A (en)

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
GB781852A true GB781852A (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 After (1)

Application Number Title Priority Date Filing Date
GB23285/53A Expired GB781851A (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) BE531359A (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
BE499871A (enrdf_load_stackoverflow) * 1949-12-08

Also Published As

Publication number Publication date
BE531359A (enrdf_load_stackoverflow)
US2821598A (en) 1958-01-28
BE531358A (enrdf_load_stackoverflow)
GB781851A (en) 1957-08-28

Similar Documents

Publication Publication Date Title
GB763038A (en) Improvements in or relating to cores for two-dimensional patterns of magnetic trigger units
GB756804A (en) Cam-operated electric switch
GB787072A (en) Improvements relating to electro-magnetic switches
GB810098A (en) Improvements relating to electric contact spring assemblies
GB781852A (en) Improvements in and relating to electromagnetic devices
GB829332A (en) Improvements in and relating to electromagnetic relays
GB938131A (en) Improvements in or relating to relays having sealed contact devices
GB836572A (en) Improvements in electromagnetic switches
GB536695A (en) Improvements relating to electromagnetic relays
GB997404A (en) Electro-magnetic relays
GB852171A (en) Electromagnetic operator
GB750835A (en) Improvements in or relating to magnetic memory units
ES462942A1 (es) Interruptor electrico.
GB775269A (en) Improvements in or relating to electromagnetic contactors
GB603981A (en) Contact device for instrument type relays
GB1038229A (en) Improvements relating to subscriber's telephone instruments
GB768399A (en) Draughtsman's drawing board and t-square
GB858234A (en) Improvements in and relating to electro-magnetic relays
GB918707A (en) A device for the remote transmission of information set up in a calculating machine
ES348656A1 (es) Dispositivo relevador electromagnetico.
GB736737A (en) Improvements in and relating to electrical timepieces
GB768578A (en) Improvements in or relating to moving coil electrical instrument
ES63070U (es) Cortacircuito eléctrico
ES224281A2 (es) NUEVO DISPOSITIVO PARA LA LIMITACIoN Y PROTECCIoN DE LINEAS DE CORRIENTE ELÉCTRICA
GB867395A (en) Improvements in polarized electromagnetic relays