FR947435A - Automatic exposure time control device - Google Patents
Automatic exposure time control deviceInfo
- Publication number
- FR947435A FR947435A FR947435DA FR947435A FR 947435 A FR947435 A FR 947435A FR 947435D A FR947435D A FR 947435DA FR 947435 A FR947435 A FR 947435A
- Authority
- FR
- France
- Prior art keywords
- control device
- exposure time
- time control
- automatic exposure
- automatic
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US673748A US2561085A (en) | 1946-06-01 | 1946-06-01 | Automatic exposure timer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR947435A true FR947435A (en) | 1949-07-01 |
Family
ID=24703973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR947435D Expired FR947435A (en) | 1946-06-01 | 1947-05-31 | Automatic exposure time control device |
Country Status (3)
Country | Link |
---|---|
US (1) | US2561085A (en) |
FR (1) | FR947435A (en) |
GB (1) | GB633775A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010657B (en) * | 1953-07-14 | 1957-06-19 | Gen Electric | Circuit arrangement for operating a Roentgen tube |
DE1020126B (en) * | 1954-10-20 | 1957-11-28 | Koch & Sterzel Ag | Device for the automatic determination and preferably also the limitation of the exposure time of X-ray exposures |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE513475A (en) * | 1951-08-16 | 1952-08-30 | Westinghouse Electric Corp | photographic timer for image intensifier |
BE530458A (en) * | 1953-07-17 | |||
US2813204A (en) * | 1954-06-17 | 1957-11-12 | Keleket X Ray Corp | X-ray apparatus |
US2972681A (en) * | 1956-08-10 | 1961-02-21 | Westinghouse Electric Corp | Cinefluorographic apparatus |
US6448544B1 (en) * | 1998-06-08 | 2002-09-10 | Brandeis University | Low noise, high resolution image detection system and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2136116A (en) * | 1934-01-04 | 1938-11-08 | Kelley Koett Mfg Company | Integrating x-ray apparatus |
US2252530A (en) * | 1940-09-06 | 1941-08-12 | Ferranti Electric Ltd | X-ray timing apparatus |
US2353980A (en) * | 1942-07-04 | 1944-07-18 | Westinghouse Electric & Mfg Co | Milliampere seconds timer |
US2401289A (en) * | 1943-07-22 | 1946-05-28 | Nasa | Photoelectric timer for roentgen photography |
-
1946
- 1946-06-01 US US673748A patent/US2561085A/en not_active Expired - Lifetime
-
1947
- 1947-05-21 GB GB13660/47A patent/GB633775A/en not_active Expired
- 1947-05-31 FR FR947435D patent/FR947435A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010657B (en) * | 1953-07-14 | 1957-06-19 | Gen Electric | Circuit arrangement for operating a Roentgen tube |
DE1020126B (en) * | 1954-10-20 | 1957-11-28 | Koch & Sterzel Ag | Device for the automatic determination and preferably also the limitation of the exposure time of X-ray exposures |
Also Published As
Publication number | Publication date |
---|---|
US2561085A (en) | 1951-07-17 |
GB633775A (en) | 1949-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR948097A (en) | Advanced altitude control device | |
FR1001424A (en) | Irreversible control device | |
FR947435A (en) | Automatic exposure time control device | |
FR946867A (en) | Control device | |
CH267728A (en) | Phonograph with automatic control device. | |
FR1005802A (en) | Automatic volume control device | |
FR953729A (en) | Hydraulic control device | |
FR1120102A (en) | Eccentricity control device | |
CH273260A (en) | Device for controlling the orientation of selectors. | |
FR922829A (en) | Slope control and indication device | |
FR1007928A (en) | Podiatry prosthesis device | |
FR1025588A (en) | Automatic control device | |
FR945661A (en) | Advanced altitude control device | |
FR931685A (en) | Control device | |
FR924547A (en) | Automatic hooking fishing device | |
FR936979A (en) | Automatic positioning control | |
FR1004154A (en) | Control device | |
FR922881A (en) | Control device | |
FR1007189A (en) | Automatic device for bearing directions | |
FR922849A (en) | Automatic coupling device | |
FR58794E (en) | Automatic positioning control | |
FR1003364A (en) | Automatic crane balancing device | |
FR920069A (en) | Gearbox control device | |
FR972549A (en) | Automatic weighing device | |
FR1008401A (en) | Automatic shutter device |