BE469033A - - Google Patents

Info

Publication number
BE469033A
BE469033A BE469033DA BE469033A BE 469033 A BE469033 A BE 469033A BE 469033D A BE469033D A BE 469033DA BE 469033 A BE469033 A BE 469033A
Authority
BE
Belgium
Application number
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.)
Publication of BE469033A publication Critical patent/BE469033A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Linear Motors (AREA)
BE469033D 1939-10-13 BE469033A (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB263439X 1939-10-13

Publications (1)

Publication Number Publication Date
BE469033A true BE469033A (en, 2012)

Family

ID=10242184

Family Applications (1)

Application Number Title Priority Date Filing Date
BE469033D BE469033A (en, 2012) 1939-10-13

Country Status (5)

Country Link
US (1) US2543014A (en, 2012)
BE (1) BE469033A (en, 2012)
CH (1) CH263439A (en, 2012)
FR (1) FR933988A (en, 2012)
GB (1) GB535593A (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770796A (en) * 1952-02-23 1956-11-13 Int Standard Electric Corp Registering device for receiving and sending connecting orders, particularly for conveying plants
US2827520A (en) * 1954-12-06 1958-03-18 Edward L Klingel Telephone calling device
US2827531A (en) * 1955-05-31 1958-03-18 North American Aviation Inc Magnetically operated switch
US2843698A (en) * 1955-10-11 1958-07-15 Berthold A Knauth Switch mechanism
US2834838A (en) * 1956-10-03 1958-05-13 Edward L Klingel Telephone calling device
US2896043A (en) * 1957-02-11 1959-07-21 Stackpole Carbon Co Electric switch formed from magnets
NL235133A (en, 2012) * 1958-01-17
US3061687A (en) * 1958-04-16 1962-10-30 Gen Dynamics Corp Magnetic dial impulse transmitter
US3013137A (en) * 1958-07-14 1961-12-12 Cons Electrodynamics Corp Magnetic switch
US2985734A (en) * 1959-04-27 1961-05-23 Oak Mfg Co Magnet control means

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870032A (en) * 1932-08-02 Arthur peimeose young
GB545818A (en, 2012) * 1900-01-01
US1839075A (en) * 1931-12-29 Electric contact breaker
GB124041A (en) * 1918-03-12 1919-03-12 British Thomson Houston Co Ltd Improvements in and relating to Electrical Contact Making and Breaking Apparatus.
US1852232A (en) * 1929-07-15 1932-04-05 Buchhold Theodor Rotating magnet
DE628014C (de) * 1930-11-30 1936-03-27 Siemens Schuckertwerke Akt Ges Kontaktgeber fuer Messgeraete zur Fernmessung, insbesondere fuer Elektrizitaetszaehler
US1874199A (en) * 1931-05-14 1932-08-30 Frank R Uible Advertising device
US1969926A (en) * 1932-07-28 1934-08-14 M L Jeffrey Corp Dial and switch mechanism
US2189597A (en) * 1936-11-26 1940-02-06 Express Lift Co Ltd Electric inductor relay
US2384948A (en) * 1940-12-09 1945-09-18 Automatic Elect Lab Telephone switch or telephone contact
US2410746A (en) * 1942-09-02 1946-11-05 Adele S Raettig Magnetically operated switch

Also Published As

Publication number Publication date
US2543014A (en) 1951-02-27
GB535593A (en) 1941-04-15
FR933988A (fr) 1948-05-07
CH263439A (fr) 1949-08-31

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