BE467471A - - Google Patents

Info

Publication number
BE467471A
BE467471A BE467471DA BE467471A BE 467471 A BE467471 A BE 467471A BE 467471D A BE467471D A BE 467471DA BE 467471 A BE467471 A BE 467471A
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 BE467471A publication Critical patent/BE467471A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action
    • H01H43/308—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the change of electrical properties, e.g. thermistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Temperature (AREA)
  • Control Of Resistance Heating (AREA)
BE467471D 1943-07-30 BE467471A (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB259933X 1943-07-30

Publications (1)

Publication Number Publication Date
BE467471A true BE467471A (el)

Family

ID=10236617

Family Applications (1)

Application Number Title Priority Date Filing Date
BE467471D BE467471A (el) 1943-07-30

Country Status (5)

Country Link
US (1) US2471457A (el)
BE (1) BE467471A (el)
CH (1) CH259933A (el)
GB (2) GB567225A (el)
NL (1) NL136888C (el)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547750A (en) * 1947-04-03 1951-04-03 Barber Colman Co Programmed temperature control using a wheatstone bridge
US2629005A (en) * 1951-02-09 1953-02-17 William E Engelhard Switch control mechanism
US2926299A (en) * 1954-04-21 1960-02-23 Mcdermott Controls Inc Electrical instrument with thermistor sensing element
US2885604A (en) * 1956-05-24 1959-05-05 Bell Telephone Labor Inc Temperature compensated relay control circuit
US2886246A (en) * 1956-06-13 1959-05-12 Vapor Heating Corp Thermostatically regulated temperature control system
US3259809A (en) * 1962-02-06 1966-07-05 Hugh R Carlon Low-frequency switching with thermostatic delay relays
US3334278A (en) * 1964-06-03 1967-08-01 Wagner Electric Corp Delay or oscillating circuits
US20050018748A1 (en) * 2003-07-24 2005-01-27 Ringermacher Harry Israel Actively quenched lamp, infrared thermography imaging system, and method for actively controlling flash duration

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE397158C (de) * 1923-10-17 1924-06-14 Starkstrom Appbau G M B H Mit Verzoegerung anziehender Elektromagnet
US2034881A (en) * 1933-05-26 1936-03-24 Bell Telephone Labor Inc Electromagnetic relay circuits
US2148491A (en) * 1933-12-01 1939-02-28 Foxboro Co Deoscillator
DE640150C (de) * 1934-05-26 1936-12-23 Aeg Elektrische Schalteinrichtung zur selbsttaetigen periodischen OEffnung und Schliessung eines Stromkreises durch ein Relais, dessen Spule mit einem Hauptwiderstand mit negativem Temperaturkoeffizienten in Reihe geschaltet ist
US2112542A (en) * 1936-01-17 1938-03-29 Bell Telephone Labor Inc Electromagnet and controlling circuits therefor
US2244058A (en) * 1939-10-31 1941-06-03 American Telephone & Telegraph Interrupter circuit
US2304613A (en) * 1941-04-12 1942-12-08 Bell Telephone Labor Inc Delayed operation circuit
US2318358A (en) * 1942-02-16 1943-05-04 Gen Electric Condition control system
GB557707A (en) * 1942-05-28 1943-12-01 Standard Telephones Cables Ltd Improvements in or relating to relay timing arrangements

Also Published As

Publication number Publication date
US2471457A (en) 1949-05-31
CH259933A (de) 1949-02-15
NL136888C (el)
GB567222A (en) 1945-02-02
GB567225A (en) 1945-02-02

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