FR933988A - Improvements to electrical contact actuation devices - Google Patents

Improvements to electrical contact actuation devices

Info

Publication number
FR933988A
FR933988A FR933988DA FR933988A FR 933988 A FR933988 A FR 933988A FR 933988D A FR933988D A FR 933988DA FR 933988 A FR933988 A FR 933988A
Authority
FR
France
Prior art keywords
electrical contact
actuation devices
contact actuation
devices
electrical
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
Other languages
French (fr)
Inventor
Bertram Barnett Grace
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR933988A publication Critical patent/FR933988A/en
Expired legal-status Critical Current

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)
FR933988D 1939-10-13 1946-09-27 Improvements to electrical contact actuation devices Expired FR933988A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR933988A true FR933988A (en) 1948-05-07

Family

ID=10242184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933988D Expired FR933988A (en) 1939-10-13 1946-09-27 Improvements to electrical contact actuation devices

Country Status (5)

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

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) * 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
GB545818A (en) * 1900-01-01
US1870032A (en) * 1932-08-02 Arthur peimeose young
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 (en) * 1930-11-30 1936-03-27 Siemens Schuckertwerke Akt Ges Contactor for measuring devices for remote measurement, especially for electricity meters
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
CH263439A (en) 1949-08-31
BE469033A (en)
GB535593A (en) 1941-04-15
US2543014A (en) 1951-02-27

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