FR2232904A1 - - Google Patents
Info
- Publication number
- FR2232904A1 FR2232904A1 FR7419754A FR7419754A FR2232904A1 FR 2232904 A1 FR2232904 A1 FR 2232904A1 FR 7419754 A FR7419754 A FR 7419754A FR 7419754 A FR7419754 A FR 7419754A FR 2232904 A1 FR2232904 A1 FR 2232904A1
- 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.)
- Withdrawn
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
- H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2329414A DE2329414A1 (de) | 1973-06-08 | 1973-06-08 | Roentgendiagnostikapparat zur anfertigung von roentgenaufnahmen mit einem zeitschalter zur bestimmung der aufnahmedauer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2232904A1 true FR2232904A1 (fr) | 1975-01-03 |
Family
ID=5883533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7419754A Withdrawn FR2232904A1 (fr) | 1973-06-08 | 1974-06-07 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3894235A (fr) |
DE (1) | DE2329414A1 (fr) |
FR (1) | FR2232904A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440137A1 (fr) * | 1978-10-25 | 1980-05-23 | Siemens Ag | Generateur radiologique pour appareil de radiodiagnostic, comportant un relais mas |
FR2446050A1 (fr) * | 1979-01-04 | 1980-08-01 | Siemens Ag | Montage pour controler une installation de radiodiagnostic |
EP0167883A1 (fr) * | 1984-06-29 | 1986-01-15 | Siemens Aktiengesellschaft | Appareil de radiodiagnostic comportant un dispositif de régulation de la haute tension d'un tube à rayons X |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4119856A (en) * | 1973-09-07 | 1978-10-10 | Siemens Aktiengesellschaft | X-ray diagnostic apparatus for producing series exposures |
US4035649A (en) * | 1973-10-08 | 1977-07-12 | U.S. Philips Corporation | X-ray generator for a tomography apparatus |
DE2411630C2 (de) * | 1974-03-12 | 1982-01-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | "Röntgeneinrichtung mit einem Belichtungsautomaten mit automatischer Wahl und Einschaltung der Meßfelder" |
DE2422844C3 (de) * | 1974-05-10 | 1978-10-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Röntgendiagnostikapparat, bei dem die Röntgenröhrenspannung über den Röntgenröhrenheizstrom geregelt wird |
DE2511523A1 (de) * | 1975-03-15 | 1976-09-23 | Philips Patentverwaltung | Roentgenanlage mit einer fernseheinrichtung und einem belichtungsautomaten |
US4039811A (en) * | 1975-03-21 | 1977-08-02 | Sybron Corporation | Method of operating and power supply for x-ray tubes |
DE2518549A1 (de) * | 1975-04-25 | 1977-03-17 | Siemens Ag | Zahnaerztliche roentgendiagnostikeinrichtung |
DE2532218C2 (de) * | 1975-07-18 | 1982-09-02 | Heimann Gmbh, 6200 Wiesbaden | Vorrichtung zum Prüfen von Gepäckstücken mittels Röntgenstrahlung |
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 |
FR2541532A1 (fr) * | 1983-02-22 | 1984-08-24 | Gen Equipment Medical | Procede de commutation de l'alimentation electrique entre deux circuits de charge independants |
US4590603A (en) * | 1984-01-09 | 1986-05-20 | General Electric Company | Automatic X-ray entrance dose compensation |
US4703496A (en) * | 1985-12-30 | 1987-10-27 | General Electric Company | Automatic x-ray image brightness control |
US4763343A (en) * | 1986-09-23 | 1988-08-09 | Yanaki Nicola E | Method and structure for optimizing radiographic quality by controlling X-ray tube voltage, current, focal spot size and exposure time |
USRE33634E (en) * | 1986-09-23 | 1991-07-09 | Method and structure for optimizing radiographic quality by controlling X-ray tube voltage, current focal spot size and exposure time | |
US5966425A (en) * | 1989-12-07 | 1999-10-12 | Electromed International | Apparatus and method for automatic X-ray control |
DE69106953T2 (de) * | 1990-07-06 | 1995-06-22 | Gen Electric Cgr | Verfahren zur automatischen Bestimmung der Belichtungszeit für einen Röntgenfilm und dieses verwendendes System. |
US5333168A (en) * | 1993-01-29 | 1994-07-26 | Oec Medical Systems, Inc. | Time-based attenuation compensation |
US6240162B1 (en) * | 1998-01-15 | 2001-05-29 | Siemens Medical Systems, Inc. | Precision dosimetry in an intensity modulated radiation treatment system |
US6038284A (en) * | 1998-01-15 | 2000-03-14 | Siemens Medical Systems, Inc. | Precision dosimetry in an intensity modulated radiation treatment system |
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 |
EP1219147B1 (fr) | 1999-10-08 | 2006-11-08 | Gendex Corporation | Commande automatique de l'exposition pour un appareil de radiographie dentaire panoramique et de cephalographie |
CA2397739A1 (fr) * | 2000-02-02 | 2001-08-09 | Dentsply International Inc. | Detection automatique de rayons x pour appareil d'imagerie dentaire intraorale par rayons x |
WO2003010556A2 (fr) * | 2001-07-25 | 2003-02-06 | Dentsply International Inc. | Imageur radiologique numerique en temps reel |
EP1551302B1 (fr) | 2002-07-25 | 2012-02-08 | Gendex Corporation | Appareil et proc d d'imagerie radiologique num rique en temps r el |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3634871A (en) * | 1970-04-15 | 1972-01-11 | Cgr Medical Corp | Heat-sensing circuit |
US3842280A (en) * | 1970-12-23 | 1974-10-15 | Picker Corp | Protective circuit for limiting the input power applied to an x-ray tube and method of operation |
-
1973
- 1973-06-08 DE DE2329414A patent/DE2329414A1/de active Pending
-
1974
- 1974-04-26 US US464655A patent/US3894235A/en not_active Expired - Lifetime
- 1974-06-07 FR FR7419754A patent/FR2232904A1/fr not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440137A1 (fr) * | 1978-10-25 | 1980-05-23 | Siemens Ag | Generateur radiologique pour appareil de radiodiagnostic, comportant un relais mas |
FR2446050A1 (fr) * | 1979-01-04 | 1980-08-01 | Siemens Ag | Montage pour controler une installation de radiodiagnostic |
EP0167883A1 (fr) * | 1984-06-29 | 1986-01-15 | Siemens Aktiengesellschaft | Appareil de radiodiagnostic comportant un dispositif de régulation de la haute tension d'un tube à rayons X |
Also Published As
Publication number | Publication date |
---|---|
DE2329414A1 (de) | 1975-01-02 |
US3894235A (en) | 1975-07-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |