FR1102364A - Dispositif de limitation automatique de la durée d'une radiographie - Google Patents

Dispositif de limitation automatique de la durée d'une radiographie

Info

Publication number
FR1102364A
FR1102364A FR1102364DA FR1102364A FR 1102364 A FR1102364 A FR 1102364A FR 1102364D A FR1102364D A FR 1102364DA FR 1102364 A FR1102364 A FR 1102364A
Authority
FR
France
Prior art keywords
ray
duration
automatically limiting
automatically
limiting
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1102364A publication Critical patent/FR1102364A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/38Exposure time
    • H05G1/42Exposure 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
    • H05G1/44Exposure 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)
  • Measurement Of Radiation (AREA)
FR1102364D 1953-06-16 1954-06-14 Dispositif de limitation automatique de la durée d'une radiographie Expired FR1102364A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL179143A NL100600C (nl) 1953-06-16 1953-06-16 inrichting voor het vervaardigen van roentgenopnamen, waarbij achter het te fotograferen object een indicator voor het meten van de roentgenstralen-intensiteit is opgesteld

Publications (1)

Publication Number Publication Date
FR1102364A true FR1102364A (fr) 1955-10-19

Family

ID=19866078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102364D Expired FR1102364A (fr) 1953-06-16 1954-06-14 Dispositif de limitation automatique de la durée d'une radiographie

Country Status (6)

Country Link
US (1) US2829273A (fr)
BE (1) BE526948A (fr)
CH (1) CH322471A (fr)
DE (1) DE965435C (fr)
FR (1) FR1102364A (fr)
NL (1) NL100600C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411630C2 (de) * 1974-03-12 1982-01-14 Philips Patentverwaltung Gmbh, 2000 Hamburg "Röntgeneinrichtung mit einem Belichtungsautomaten mit automatischer Wahl und Einschaltung der Meßfelder"
US4053774A (en) * 1975-08-08 1977-10-11 California Institute Of Technology X-ray exposure sensor and controller
DE2556699C2 (de) * 1975-12-17 1987-03-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgengenerator mit Belichtungsautomatik
US4171484A (en) * 1977-08-03 1979-10-16 Diagnostic Information Automatic brightness control for direct view fluoroscopic imaging systems
US4284889A (en) * 1978-10-05 1981-08-18 Fuji Photo Film Co., Ltd. Method for recording radiation image using stimulable phosphor
US4255657A (en) * 1979-06-05 1981-03-10 Charles Lescrenier Diverging plane positioning device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE586400C (de) * 1930-12-24 1933-10-26 Siemens Reiniger Werke Akt Ges Einrichtung zum Anzeigen oder selbsttaetigen Abschalten der Roentgenstrahleneinwirkung auf photographische Schichten
FR927692A (fr) * 1945-05-04 1947-11-05 Alltools Dispositif de réglage du temps de pose photographique et autre
US2486866A (en) * 1946-05-15 1949-11-01 Us Sec War Dual phototube X-ray timer for selective exposure of chest films
US2488315A (en) * 1946-05-15 1949-11-15 Us Sec War Exposure selecting device for X-ray apparatus
GB632842A (en) * 1947-09-29 1949-12-05 Arnold Graves Improvements in apparatus for timing an x-ray exposure

Also Published As

Publication number Publication date
CH322471A (de) 1957-06-15
DE965435C (de) 1957-06-06
US2829273A (en) 1958-04-01
BE526948A (fr) 1954-12-14
NL100600C (nl) 1962-03-15

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