FR2226971B1 - - Google Patents

Info

Publication number
FR2226971B1
FR2226971B1 FR7411377A FR7411377A FR2226971B1 FR 2226971 B1 FR2226971 B1 FR 2226971B1 FR 7411377 A FR7411377 A FR 7411377A FR 7411377 A FR7411377 A FR 7411377A FR 2226971 B1 FR2226971 B1 FR 2226971B1
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
FR7411377A
Other languages
French (fr)
Other versions
FR2226971A1 (enrdf_load_stackoverflow
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of FR2226971A1 publication Critical patent/FR2226971A1/fr
Application granted granted Critical
Publication of FR2226971B1 publication Critical patent/FR2226971B1/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
    • H05G1/32—Supply voltage of the X-ray apparatus or tube
    • 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)
FR7411377A 1973-04-27 1974-03-29 Expired FR2226971B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2321448A DE2321448A1 (de) 1973-04-27 1973-04-27 Roentgendiagnostikapparat zur anfertigung von roentgenaufnahmen mit einem belichtungsautomaten und automatischer einstellung der aufnahmespannung

Publications (2)

Publication Number Publication Date
FR2226971A1 FR2226971A1 (enrdf_load_stackoverflow) 1974-11-22
FR2226971B1 true FR2226971B1 (enrdf_load_stackoverflow) 1978-07-07

Family

ID=5879492

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7411377A Expired FR2226971B1 (enrdf_load_stackoverflow) 1973-04-27 1974-03-29

Country Status (4)

Country Link
US (1) US3911273A (enrdf_load_stackoverflow)
JP (1) JPS5751720B2 (enrdf_load_stackoverflow)
DE (1) DE2321448A1 (enrdf_load_stackoverflow)
FR (1) FR2226971B1 (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035649A (en) * 1973-10-08 1977-07-12 U.S. Philips Corporation X-ray generator for a tomography apparatus
DE2526294C3 (de) * 1975-06-12 1980-04-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Überwachungseinrichtung einer Bestrahlungsanlage für ionisierende Strahlung mit einem Haupt- und einem Kontrollmonitor
FR2315099A1 (fr) * 1975-06-20 1977-01-14 Cgr Mev Dispositif de controle des systemes de mesure de dose d'irradiation et appareils de radiotherapie utilisant un tel dispositif
DE2550437C2 (de) * 1975-11-10 1985-03-28 Siemens AG, 1000 Berlin und 8000 München Belichtungsautomat für ein Röntgenaufnahmegerät
DE2825323C2 (de) * 1978-06-09 1986-03-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Belichtungsautomat für einen Röntgengenerator
US4284889A (en) * 1978-10-05 1981-08-18 Fuji Photo Film Co., Ltd. Method for recording radiation image using stimulable phosphor
US4250103A (en) * 1978-12-27 1981-02-10 The Boeing Company Radiographic apparatus and method for monitoring film exposure time
DE2917636A1 (de) * 1979-05-02 1980-11-13 Philips Patentverwaltung Roentgengenerator
US4453263A (en) * 1979-10-04 1984-06-05 Picker Corporation Constant potential H-V generator
CA1149076A (en) * 1979-10-04 1983-06-28 Theodore A. Resnick Constant potential high voltage generator
DE3011966A1 (de) * 1980-03-27 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikgenerator mit einem regelkreis fuer die dosisleistung
DE3043632A1 (de) * 1980-11-19 1982-07-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Roentgengenerator zur speisung einer roentgenroehre mit einem zwischen ihrer anode und ihrer kathode befindlichen mit masse verbundenen mittelteil
FR2516338A1 (fr) * 1981-11-09 1983-05-13 Tardivet Marc Dispositif de commande d'exposition pour ensemble radiologique
IL69326A (en) * 1983-07-26 1986-11-30 Elscint Ltd System and methods for translating radiation intensity into pixel values
US5084911A (en) * 1989-01-10 1992-01-28 Eastman Kodak Company X-ray phototimer
US5966425A (en) * 1989-12-07 1999-10-12 Electromed International Apparatus and method for automatic X-ray control
US6192105B1 (en) 1998-11-25 2001-02-20 Communications & Power Industries Canada Inc. Method and device to calibrate an automatic exposure control device in an x-ray imaging system
CA2388256A1 (en) 1999-10-08 2001-04-19 Dentsply International Inc. Automatic exposure control for dental panoramic and cephalographic x-ray equipment
AU782164B2 (en) * 2000-02-02 2005-07-07 Gendex Corporation Automatic x-ray detection for intra-oral dental x-ray imaging apparatus
EP1408835A2 (en) * 2001-07-25 2004-04-21 Dentsply International, Inc. Real-time digital x-ray imaging apparatus
EP1551302B1 (en) 2002-07-25 2012-02-08 Gendex Corporation Real-time digital x-ray imaging apparatus and method
JP7328022B2 (ja) * 2019-06-26 2023-08-16 キヤノン株式会社 放射線撮像装置及び放射線撮像システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985761A (en) * 1954-04-09 1961-05-23 Ohmart Corp Method and apparatus for regulating X-ray exposures
US3548208A (en) * 1968-07-16 1970-12-15 Litton Medical Products Fluoroscopic intensity control wherein the brightness of the image is maintained at a predetermined level
US3546461A (en) * 1968-09-13 1970-12-08 Litton Medical Products Automatic control of a nonsynchronous cine fluororadiographic apparatus
US3585391A (en) * 1969-09-24 1971-06-15 Westinghouse Electric Corp Brightness stabilizer with improved image quality
DE2062633C3 (de) * 1970-12-18 1981-06-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgenbelichtungsautomat

Also Published As

Publication number Publication date
DE2321448A1 (de) 1974-11-14
FR2226971A1 (enrdf_load_stackoverflow) 1974-11-22
US3911273A (en) 1975-10-07
JPS5751720B2 (enrdf_load_stackoverflow) 1982-11-04
JPS5016489A (enrdf_load_stackoverflow) 1975-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse