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
Links
Classifications
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- 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
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- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB259933X | 1943-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE467471A true BE467471A (de) |
Family
ID=10236617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE467471D BE467471A (de) | 1943-07-30 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2471457A (de) |
BE (1) | BE467471A (de) |
CH (1) | CH259933A (de) |
GB (2) | GB567225A (de) |
NL (1) | NL136888C (de) |
Families Citing this family (8)
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)
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 |
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0
- BE BE467471D patent/BE467471A/xx unknown
- NL NL136888D patent/NL136888C/xx active
-
1943
- 1943-07-30 GB GB18578/44A patent/GB567225A/en not_active Expired
- 1943-07-30 GB GB12394/43A patent/GB567222A/en not_active Expired
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1944
- 1944-07-17 US US545329A patent/US2471457A/en not_active Expired - Lifetime
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1946
- 1946-01-14 CH CH259933D patent/CH259933A/de unknown
Also Published As
Publication number | Publication date |
---|---|
NL136888C (de) | |
GB567225A (en) | 1945-02-02 |
US2471457A (en) | 1949-05-31 |
CH259933A (de) | 1949-02-15 |
GB567222A (en) | 1945-02-02 |