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:Method)

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:Method)

Family

ID=10242184

Family Applications (1)

Application Number Title Priority Date Filing Date
BE469033D BE469033A (en:Method) 1939-10-13

Country Status (5)

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

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:Method) * 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:Method) * 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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