GB780982A - Improvements in and relating to electric switching apparatus - Google Patents

Improvements in and relating to electric switching apparatus

Info

Publication number
GB780982A
GB780982A GB20601/54A GB2060154A GB780982A GB 780982 A GB780982 A GB 780982A GB 20601/54 A GB20601/54 A GB 20601/54A GB 2060154 A GB2060154 A GB 2060154A GB 780982 A GB780982 A GB 780982A
Authority
GB
United Kingdom
Prior art keywords
contactor
thyratron
contacts
valve
exposure
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
GB20601/54A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB780982A publication Critical patent/GB780982A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/12—Neutron detector tubes, e.g. BF3 tubes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/38—Exposure time
    • H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
    • H05G1/44—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
  • Electronic Switches (AREA)
GB20601/54A 1953-07-14 1954-07-14 Improvements in and relating to electric switching apparatus Expired GB780982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US367937A US2909666A (en) 1953-07-14 1953-07-14 Interval timing apparatus and method

Publications (1)

Publication Number Publication Date
GB780982A true GB780982A (en) 1957-08-14

Family

ID=23449228

Family Applications (2)

Application Number Title Priority Date Filing Date
GB20601/54A Expired GB780982A (en) 1953-07-14 1954-07-14 Improvements in and relating to electric switching apparatus
GB20602/54A Expired GB752971A (en) 1953-07-14 1954-07-14 Improvements in and relating to control systems responsive to x-ray emission

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB20602/54A Expired GB752971A (en) 1953-07-14 1954-07-14 Improvements in and relating to control systems responsive to x-ray emission

Country Status (6)

Country Link
US (2) US2909666A (enrdf_load_stackoverflow)
JP (2) JPS325672B1 (enrdf_load_stackoverflow)
DE (2) DE1110769B (enrdf_load_stackoverflow)
FR (2) FR1167459A (enrdf_load_stackoverflow)
GB (2) GB780982A (enrdf_load_stackoverflow)
NL (1) NL105205C (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958782A (en) * 1958-01-13 1960-11-01 Gen Electric Electronic timer
US2993145A (en) * 1958-04-30 1961-07-18 Bell Telephone Labor Inc Switching apparatus
US3046451A (en) * 1958-10-01 1962-07-24 Westinghouse Electric Corp Switching circuit
US3152255A (en) * 1959-07-24 1964-10-06 Philips Corp Device for measuring the X-ray radiations absorbed by a specimen
US3119932A (en) * 1960-02-12 1964-01-28 Philips Corp Polyphase current switching device for an x-ray tube supply circuit
US3094618A (en) * 1961-05-23 1963-06-18 Picker X Ray Corp X-ray tube protection mechanism
US3440422A (en) * 1965-06-24 1969-04-22 Picker Corp Biplane x-ray image system
US3557371A (en) * 1968-06-10 1971-01-19 Scope Corp X Method and apparatus for calibrating a cardiac x-ray synchronizer
US3573461A (en) * 1969-04-01 1971-04-06 Stig Arne Ohlsson Method and apparatus for timing exposures in x-ray photography

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473922A (en) * 1949-06-21 Breathing indicator
DE625011C (de) * 1932-12-17 1936-02-01 Bbc Brown Boveri & Cie Elektromagnetisches Wechselstromschuetz
BE410041A (enrdf_load_stackoverflow) * 1934-06-08
US2150440A (en) * 1936-06-10 1939-03-14 Western Union Telegraph Co Magnetic and resonator selector for carrier conveyers
DE691080C (de) * 1936-11-04 1940-05-16 Otto Muck Einrichtung zum Schalten eines Wechselstromkreises
US2165048A (en) * 1937-08-26 1939-07-04 Westinghouse Electric & Mfg Co Electric discharge apparatus
FR863046A (fr) * 1939-01-26 1941-03-21 Thomson Houston Comp Francaise Perfectionnements aux circuits de dispositifs à décharge
DE904916C (de) * 1939-04-27 1954-02-25 Aeg Steuerverfahren fuer elektrische Hoechstspannungsroehren
US2282182A (en) * 1939-09-07 1942-05-05 Westinghouse Electric & Mfg Co Amplifier circuit
US2361172A (en) * 1940-07-31 1944-10-24 Westinghouse Electric & Mfg Co Electronic power factor relay overload protection
US2413020A (en) * 1943-05-19 1946-12-24 Photoswitch Inc Electronic relay
US2401289A (en) * 1943-07-22 1946-05-28 Nasa Photoelectric timer for roentgen photography
US2453486A (en) * 1945-01-01 1948-11-09 Picker X Ray Corp Waite Mfg Electronic timer
US2422020A (en) * 1945-03-27 1947-06-10 Gen Electric Electric control circuit
US2561085A (en) * 1946-06-01 1951-07-17 Westinghouse Electric Corp Automatic exposure timer
US2573029A (en) * 1946-09-12 1951-10-30 Kelley Koett Mfg Company X-ray apparatus
US2438303A (en) * 1947-02-28 1948-03-23 Simmon Brothers Inc Device for making color prints
US2494218A (en) * 1947-07-03 1950-01-10 Picker X Ray Corp Waite Mfg Stabilizer with condenser modulator
US2679598A (en) * 1950-12-04 1954-05-25 Westinghouse Electric Corp X-ray apparatus
US2747104A (en) * 1951-10-06 1956-05-22 Gen Electric Interval timing apparatus
DE951020C (de) * 1951-11-25 1956-10-18 Siemens Ag Drehstromschuetz fuer synchrones Ausschalten, dessen Kontakte zwecks Vermeidung von Schaltfeuer kurz vor dem Nulldurchgang des Stromes geoeffnet werden

Also Published As

Publication number Publication date
DE1010657B (de) 1957-06-19
GB752971A (en) 1956-07-18
FR1167459A (fr) 1958-11-25
JPS325672B1 (enrdf_load_stackoverflow) 1957-07-29
FR74415E (fr) 1960-12-19
NL105205C (nl) 1963-02-15
JPS3519055Y1 (enrdf_load_stackoverflow) 1960-08-10
US2809296A (en) 1957-10-08
DE1110769B (de) 1961-07-13
US2909666A (en) 1959-10-20

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