FR2158438B1 - - Google Patents

Info

Publication number
FR2158438B1
FR2158438B1 FR7238751A FR7238751A FR2158438B1 FR 2158438 B1 FR2158438 B1 FR 2158438B1 FR 7238751 A FR7238751 A FR 7238751A FR 7238751 A FR7238751 A FR 7238751A FR 2158438 B1 FR2158438 B1 FR 2158438B1
Authority
FR
France
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
FR7238751A
Other versions
FR2158438A1 (fr
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
Publication of FR2158438A1 publication Critical patent/FR2158438A1/fr
Application granted granted Critical
Publication of FR2158438B1 publication Critical patent/FR2158438B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Exposure Control For Cameras (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
FR7238751A 1971-11-03 1972-11-02 Expired FR2158438B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2154539A DE2154539C3 (de) 1971-11-03 1971-11-03 Belichtungsautomaten-Schaltung eines Röntgendiagnostikapparates

Publications (2)

Publication Number Publication Date
FR2158438A1 FR2158438A1 (fr) 1973-06-15
FR2158438B1 true FR2158438B1 (fr) 1978-12-29

Family

ID=5824034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238751A Expired FR2158438B1 (fr) 1971-11-03 1972-11-02

Country Status (6)

Country Link
US (1) US3821552A (fr)
JP (1) JPS4867671U (fr)
DE (1) DE2154539C3 (fr)
FR (1) FR2158438B1 (fr)
GB (1) GB1391800A (fr)
IT (1) IT975433B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2421243C3 (de) * 1974-05-02 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts
DE2511523A1 (de) * 1975-03-15 1976-09-23 Philips Patentverwaltung Roentgenanlage mit einer fernseheinrichtung und einem belichtungsautomaten
DE2825323C2 (de) * 1978-06-09 1986-03-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Belichtungsautomat für einen Röntgengenerator
ES2629096B1 (es) * 2015-12-31 2018-10-26 General Equipment For Medical Imaging, S.A. Topología de red de lectura

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675020A (en) * 1969-09-24 1972-07-04 Cgr Medical Corp X-ray tube control circuitry

Also Published As

Publication number Publication date
US3821552A (en) 1974-06-28
DE2154539A1 (de) 1973-05-17
DE2154539C3 (de) 1974-10-10
DE2154539B2 (de) 1974-03-14
JPS4867671U (fr) 1973-08-28
IT975433B (it) 1974-07-20
FR2158438A1 (fr) 1973-06-15
GB1391800A (en) 1975-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse