BE469098A - - Google Patents
Info
- Publication number
- BE469098A BE469098A BE469098DA BE469098A BE 469098 A BE469098 A BE 469098A BE 469098D A BE469098D A BE 469098DA BE 469098 A BE469098 A BE 469098A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/066—Details of electron optical components, e.g. cathode cups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR944917T | 1946-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469098A true BE469098A (US08197722-20120612-C00042.png) |
Family
ID=33548389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469098D BE469098A (US08197722-20120612-C00042.png) | 1946-05-09 |
Country Status (7)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3103591A (en) * | 1963-09-10 | Radiographic systems and method | ||
| DE931304C (de) * | 1952-05-24 | 1955-08-04 | Siemens Reiniger Werke Ag | Elektrische Entladungsroehre mit Elektrodenrichtglied |
| US2866113A (en) * | 1952-10-07 | 1958-12-23 | Cosslett Vernon Ellis | Fine focus x-ray tubes |
| DE1027332B (de) * | 1953-08-31 | 1958-04-03 | Siemens Ag | Metallglasverschmelzung fuer elektrische Entladungsgefaesse, wie Stromrichtergefaesse od. dgl. |
| DE1097041B (de) * | 1956-09-19 | 1961-01-12 | Emi Ltd | Justiervorrichtung zur Zentrierung einer Kathode einer elektrischen Entladungsanordnung fuer hoechste Frequenzen |
| CH355225A (de) * | 1958-01-22 | 1961-06-30 | Foerderung Forschung Gmbh | Verfahren und Einrichtung zum Kontrollieren und Korrigieren der Lage des durch einen Kathodenstrahl erzeugten Brennflecks auf der Antikathode einer Röntgenröhre |
| GB872579A (en) * | 1958-10-15 | 1961-07-12 | Ass Elect Ind | Improvements relating to electron gun assemblies |
| NL252415A (US08197722-20120612-C00042.png) * | 1959-06-11 | |||
| US3179832A (en) * | 1960-01-12 | 1965-04-20 | Field Emission Corp | Temperature enhanced field emission x-ray tube |
| US3303372A (en) * | 1964-08-20 | 1967-02-07 | Dunlee Corp | X-ray generator with a knife edged cold cathode emitter |
| DE3151229A1 (de) * | 1981-12-23 | 1983-06-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zur optimierung der emission einer roentgenroehre |
| DK147778C (da) * | 1981-12-29 | 1985-05-20 | Andrex Radiation Prod As | Roentgenstraalegenerator |
| US4698835A (en) * | 1984-05-31 | 1987-10-06 | Kabushiki Kaisha Toshiba | X-ray tube apparatus |
| US4868842A (en) * | 1987-03-19 | 1989-09-19 | Siemens Medical Systems, Inc. | Cathode cup improvement |
| US6356619B1 (en) * | 2000-06-02 | 2002-03-12 | General Electric Company | Varying x-ray tube focal spot dimensions to normalize impact temperature |
| US10068741B2 (en) * | 2014-12-25 | 2018-09-04 | Meidensha Corporation | Field emission device and reforming treatment method |
| DE102015220754B3 (de) * | 2015-10-23 | 2017-02-09 | Siemens Healthcare Gmbh | Verfahren und Messeinrichtung zur Ermittlung des Elektrodenabstands von Röntgenröhren |
| EP3696845A1 (en) * | 2019-02-12 | 2020-08-19 | Malvern Panalytical B.V. | X-ray tube and x-ray analysis system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1310714A (en) * | 1919-07-22 | X-ray tube | ||
| US793112A (en) * | 1903-10-06 | 1905-06-27 | Rome V Wagner | Vacuum-tube. |
| US1174044A (en) * | 1915-05-05 | 1916-03-07 | Elof Benson | X-ray apparatus. |
| DE390479C (de) * | 1919-12-12 | 1924-02-19 | Julius Edgar Lilienfeld Dr | Hochvakuumroehre, insbesondere Roentgenroehre, Ventilroehre, Senderoehre oder Verstaerkungsroehre |
| DE586817C (de) * | 1930-12-11 | 1933-10-26 | Radiologie Akt Ges | Verfahren zur Brennfleckregelung fuer Roentgenroehren durch Veraenderung der emittierenden Gluehkathodenflaeche |
| GB419727A (en) * | 1932-04-22 | 1934-11-19 | Loewe Opta Gmbh | A braun tube for oscillographic and television purposes |
| US2130020A (en) * | 1934-03-13 | 1938-09-13 | Harry B Mceuen | Cathode filament control for x-ray tubes |
| US2157718A (en) * | 1935-02-26 | 1939-05-09 | Mutscheller Arthur | X-ray tube |
| FR818476A (fr) * | 1936-06-03 | 1937-09-27 | Radiologie Cie Gle | Perfectionnements aux ampoules radiogènes |
| GB495707A (en) * | 1937-04-17 | 1938-11-17 | Frederick Hermes Nicoll | Improvements in or relating to focussing systems for use in electric discharge tubes |
| NL68166C (US08197722-20120612-C00042.png) * | 1939-12-02 | |||
| BE475842A (US08197722-20120612-C00042.png) * | 1942-04-25 | |||
| US2350269A (en) * | 1942-06-15 | 1944-05-30 | Gen Electric X Ray Corp | X-ray tube |
-
0
- BE BE469098D patent/BE469098A/xx unknown
- NL NL69809D patent/NL69809C/xx active
-
1945
- 1945-12-14 FR FR944917D patent/FR944917A/fr not_active Expired
-
1946
- 1946-05-09 FR FR56195D patent/FR56195E/fr not_active Expired
- 1946-11-08 SE SE982246A patent/SE122892C1/xx unknown
- 1946-11-22 GB GB34709/46A patent/GB651455A/en not_active Expired
- 1946-11-22 GB GB6772/49A patent/GB651507A/en not_active Expired
- 1946-11-30 US US713354A patent/US2597817A/en not_active Expired - Lifetime
- 1946-12-10 CH CH261755D patent/CH261755A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE122892C1 (US08197722-20120612-C00042.png) | 1948-10-05 |
| NL69809C (US08197722-20120612-C00042.png) | |
| GB651455A (en) | 1951-04-04 |
| US2597817A (en) | 1952-05-20 |
| FR944917A (fr) | 1949-04-20 |
| FR56195E (fr) | 1952-09-18 |
| GB651507A (en) | 1951-04-04 |
| CH261755A (fr) | 1949-05-31 |
