BE481542A - Appareil de contrôle. - Google Patents
Appareil de contrôle.Info
- Publication number
- BE481542A BE481542A BE481542A BE481542A BE481542A BE 481542 A BE481542 A BE 481542A BE 481542 A BE481542 A BE 481542A BE 481542 A BE481542 A BE 481542A BE 481542 A BE481542 A BE 481542A
- Authority
- BE
- Belgium
- Prior art keywords
- control device
- control
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
- G01B15/025—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness by measuring absorption
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US739516A US2647214A (en) | 1947-04-04 | 1947-04-04 | Inspecting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BE481542A true BE481542A (fr) | 1948-04-15 |
Family
ID=24972656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE481542A BE481542A (fr) | 1947-04-04 | 1948-03-31 | Appareil de contrôle. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2647214A (fr) |
BE (1) | BE481542A (fr) |
FR (1) | FR963929A (fr) |
GB (1) | GB641757A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2763790A (en) * | 1952-04-05 | 1956-09-18 | Ohmart Corp | Comparator |
US2744697A (en) * | 1952-06-25 | 1956-05-08 | James A Van Allen | Cosmic ray altimeter |
US2846522A (en) * | 1953-02-18 | 1958-08-05 | Sun Oil Co | Differential amplifier circuits |
US3024363A (en) * | 1953-04-28 | 1962-03-06 | Bofors Ab | Device for supervising the internal structure of solid bodies and the content thereof |
US2797332A (en) * | 1954-08-09 | 1957-06-25 | Librascope Inc | Radiacs |
DE1053793B (de) * | 1954-10-13 | 1959-03-26 | Siemens Ag | Einrichtung zur Messung der Dicke bzw. des Flaechengewichtes von band- oder tafelfoermigem Messgut mittels radioaktiver oder Roentgenstrahlen und eines Vergleichsnormals |
US2890347A (en) * | 1954-11-15 | 1959-06-09 | Owens Illinois Glass Co | Comparing and measuring values by use of x-rays |
US2904690A (en) * | 1954-12-31 | 1959-09-15 | Philips Corp | Device for determining the relative deviation in percent of the mean frequencies of pulse sources |
US3010020A (en) * | 1955-05-17 | 1961-11-21 | Curtiss Wright Corp | Apparatus for continuously measuring the mass per unit area of a coating |
US2836720A (en) * | 1955-09-06 | 1958-05-27 | Rca Corp | Balancing circuit |
US2903524A (en) * | 1956-01-31 | 1959-09-08 | Ca Atomic Energy Ltd | D-c amplifier |
US2965847A (en) * | 1956-12-18 | 1960-12-20 | Industrial Nucleonics Corp | Measuring system |
US3012140A (en) * | 1959-01-28 | 1961-12-05 | United States Steel Corp | Apparatus for measuring the thickness of a coating on a base material |
FR2133318A5 (fr) * | 1971-04-16 | 1972-11-24 | Thomson Csf |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE293240C (fr) * | ||||
FR554001A (fr) * | 1922-07-17 | 1923-06-04 | Gaiffe Gallot Et Pilon Ets | Procédé de mesure du rayonnement chi ou de la longueur d'onde moyenne et dispositifs en permettant la réalisation |
FR601545A (fr) * | 1924-10-30 | 1926-03-03 | Procédé et dispositif pour l'application des rayons x à l'étude des corps simples ou complexes | |
US2097760A (en) * | 1930-11-29 | 1937-11-02 | Failla Gloacchino | Testing method and apparatus |
US2094318A (en) * | 1930-12-01 | 1937-09-28 | Failla Gioacchino | Methods and means for testing radiant energy |
US2264725A (en) * | 1940-08-02 | 1941-12-02 | Westinghouse Electric & Mfg Co | Thickness gauge for rolling mills |
US2346486A (en) * | 1941-10-07 | 1944-04-11 | Texas Co | Method and apparatus for measuring thickness |
US2365763A (en) * | 1941-11-10 | 1944-12-26 | Kalb | Well logging device |
US2349429A (en) * | 1942-04-29 | 1944-05-23 | Texaco Development Corp | Method and apparatus for measuring thickness |
GB567280A (en) * | 1943-10-25 | 1945-02-06 | British Thomson Houston Co Ltd | Improvements in and relating to apparatus for testing by x-ray ionization |
US2536617A (en) * | 1945-02-27 | 1951-01-02 | Barton L Weller | Direct current negative feedback amplifier |
US2458099A (en) * | 1945-10-19 | 1949-01-04 | Harold D Roop | Ionization chamber |
US2537914A (en) * | 1946-06-01 | 1951-01-09 | Automatic X Ray Corp | Control system |
US2465938A (en) * | 1946-11-21 | 1949-03-29 | Francis R Shonka | Radiation measuring device |
-
1947
- 1947-04-04 US US739516A patent/US2647214A/en not_active Expired - Lifetime
-
1948
- 1948-03-11 GB GB7460/48A patent/GB641757A/en not_active Expired
- 1948-03-26 FR FR963929D patent/FR963929A/fr not_active Expired
- 1948-03-31 BE BE481542A patent/BE481542A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB641757A (en) | 1950-08-16 |
US2647214A (en) | 1953-07-28 |
FR963929A (fr) | 1950-07-25 |
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