BE431693A - - Google Patents

Info

Publication number
BE431693A
BE431693A BE431693DA BE431693A BE 431693 A BE431693 A BE 431693A BE 431693D A BE431693D A BE 431693DA BE 431693 A BE431693 A BE 431693A
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 BE431693A publication Critical patent/BE431693A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnets (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
BE431693D 1937-12-16 BE431693A (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US180121A US2207506A (en) 1937-12-16 1937-12-16 Impulse sender

Publications (1)

Publication Number Publication Date
BE431693A true BE431693A (en))

Family

ID=22659268

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431693D BE431693A (en)) 1937-12-16

Country Status (3)

Country Link
US (1) US2207506A (en))
BE (1) BE431693A (en))
DE (1) DE706026C (en))

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519025A (en) * 1946-03-29 1950-08-15 George W Crise Hermetically sealed thermostatic switch
US2560814A (en) * 1947-08-02 1951-07-17 Sun Electric Corp Magnetic rotor operated switch
US2753474A (en) * 1951-03-31 1956-07-03 Winterburn Rotatory magnet actuator
US2938091A (en) * 1957-10-02 1960-05-24 Gen Electric Electromechanical overspeed limit switch
CH340544A (fr) * 1957-12-20 1959-08-31 Thermindex S A Interrupteur électrique commandé par les fluctuations d'une grandeur variable
US3013137A (en) * 1958-07-14 1961-12-12 Cons Electrodynamics Corp Magnetic switch
DE1112130B (de) * 1960-05-27 1961-08-03 Siemens Ag Stromstosssender fuer Fernmelde-, insbesondere Fernsprechanlagen, mit einem durch einen rotierenden Dauermagneten betaetigten Kontakt
DE1129545B (de) * 1960-09-15 1962-05-17 Siemens Ag Nummernschalter fuer Fernmelde-, insbesondere Fernsprechanlagen mit Ein-richtungen zur Abgabe zusaetzlicher Schaltkriterien
DE1145233B (de) * 1960-10-04 1963-03-14 Arnstadt Fernmeldewerk Stromstosssender, insbesondere Nummern-schalter fuer Fernsprechapparate
DE1138111B (de) * 1961-04-21 1962-10-18 Siemens Ag Fernsprechstation mit Nummernschalter
US3277284A (en) * 1962-07-02 1966-10-04 Robert W Cripe System for counting only properly timed events
US3234360A (en) * 1962-07-11 1966-02-08 Jr Robert W Schooley Stripe counter
US3231190A (en) * 1963-02-15 1966-01-25 Itt Preset or predetermined type counter
US3291389A (en) * 1963-05-09 1966-12-13 Rockwell Mfg Co Metering system and components thereof
US3154672A (en) * 1963-07-03 1964-10-27 Thomas E Larkin Remote gas meter
US3268167A (en) * 1964-03-06 1966-08-23 Smith Corp A O Electrical pulse generator and transmitting means
US3412238A (en) * 1965-02-09 1968-11-19 Henry Newgard & Company System for measuring and accumulating data represented on blueprints or the like
US3328732A (en) * 1966-02-28 1967-06-27 Gen Electric Switching device for meters of an automatic meter reading system

Also Published As

Publication number Publication date
US2207506A (en) 1940-07-09
DE706026C (de) 1941-05-16

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