SE326238B - - Google Patents
Info
- Publication number
- SE326238B SE326238B SE07217/64A SE721764A SE326238B SE 326238 B SE326238 B SE 326238B SE 07217/64 A SE07217/64 A SE 07217/64A SE 721764 A SE721764 A SE 721764A SE 326238 B SE326238 B SE 326238B
- Authority
- SE
- Sweden
- Prior art keywords
- cathodes
- cathode
- alternately
- focal points
- envelope
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/023—Viewing apparatus for viewing X-ray images using image converters, e.g. radioscopes
-
- 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
- H01J35/00—X-ray tubes
- H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
- H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
- H01J35/30—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by deflection of the cathode ray
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US287993A US3250916A (en) | 1963-06-14 | 1963-06-14 | Stereo x-ray device |
Publications (1)
Publication Number | Publication Date |
---|---|
SE326238B true SE326238B (ru) | 1970-07-20 |
Family
ID=23105289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE07217/64A SE326238B (ru) | 1963-06-14 | 1964-06-12 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3250916A (ru) |
DE (1) | DE1489114A1 (ru) |
FR (1) | FR1396750A (ru) |
GB (1) | GB1043456A (ru) |
NL (1) | NL6406073A (ru) |
SE (1) | SE326238B (ru) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3389253A (en) * | 1965-06-10 | 1968-06-18 | Philips Corp | X-ray apparatus for selectively producing a stereoscopic or monoscopic X-ray beam |
US3452232A (en) * | 1966-06-30 | 1969-06-24 | Tokyo Shibaura Electric Co | Multiple-cathode x-ray triode tube |
US3591821A (en) * | 1967-04-19 | 1971-07-06 | Tokyo Shibaura Electric Co | Rotary anode type x-ray generator having emitting elements which are variably spaced from the central axis of cathode |
DE2037767C3 (de) * | 1970-07-30 | 1986-01-09 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikapparat für kurze Belichtungszeiten mit Regelung der Röntgenröhrenspannung |
NL7104000A (ru) * | 1971-03-25 | 1972-09-27 | ||
JPS54635B1 (ru) * | 1971-04-30 | 1979-01-12 | ||
US3783333A (en) * | 1972-02-24 | 1974-01-01 | Picker Corp | X-ray tube with improved control electrode arrangement |
FR2357639A1 (fr) * | 1976-07-06 | 1978-02-03 | Magyar Asvanyolaj Es Foeldgaz | Huiles pour transformateurs ayant un tres bas point de solidification et une stabilite chimique elevee |
DE2647167A1 (de) * | 1976-10-19 | 1978-04-20 | Siemens Ag | Verfahren zur herstellung von schichtaufnahmen mit roentgen- oder aehnlich durchdringenden strahlen |
DE2650237C2 (de) * | 1976-11-02 | 1985-05-02 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern |
DE2658533A1 (de) * | 1976-12-23 | 1978-06-29 | Siemens Ag | Geraet zur darstellung von durchleuchtungs-koerperschichtbildern |
JPS586264B2 (ja) * | 1978-11-02 | 1983-02-03 | 株式会社東芝 | ステレオ用x線管 |
JPS58152542A (ja) * | 1982-03-05 | 1983-09-10 | 株式会社東芝 | X線診断装置 |
IL70210A (en) * | 1982-11-23 | 1987-10-20 | Elscint Ltd | X-ray tube with adjustable focal spot |
US4689809A (en) * | 1982-11-23 | 1987-08-25 | Elscint, Inc. | X-ray tube having an adjustable focal spot |
US4637040A (en) * | 1983-07-28 | 1987-01-13 | Elscint, Ltd. | Plural source computerized tomography device with improved resolution |
IL72276A (en) * | 1983-07-28 | 1988-01-31 | Elscint Ltd | Computerized tomographic system with improved resolution |
DE3532822A1 (de) * | 1985-09-13 | 1987-03-26 | Siemens Ag | Stereoroentgenroehre |
DE3542127A1 (de) * | 1985-11-28 | 1987-06-04 | Siemens Ag | Roentgenstrahler |
DE3838539A1 (de) * | 1988-11-14 | 1990-05-17 | Philips Patentverwaltung | Roentgenroehre |
US6438207B1 (en) | 1999-09-14 | 2002-08-20 | Varian Medical Systems, Inc. | X-ray tube having improved focal spot control |
JP2002263091A (ja) * | 2001-03-07 | 2002-09-17 | Tomoki Yamazaki | 立体x線透視法と立体x線透視のためのx線バルブ |
JP4585195B2 (ja) * | 2003-12-10 | 2010-11-24 | 株式会社東芝 | X線ct装置 |
US7257194B2 (en) * | 2004-02-09 | 2007-08-14 | Varian Medical Systems Technologies, Inc. | Cathode head with focal spot control |
US8189742B2 (en) * | 2007-06-21 | 2012-05-29 | Koninklijke Philips Electronics Nv | Fast dose modulation using Z-deflection in a rotaring anode or rotaring frame tube |
US8396185B2 (en) * | 2010-05-12 | 2013-03-12 | General Electric Company | Method of fast current modulation in an X-ray tube and apparatus for implementing same |
US9524845B2 (en) | 2012-01-18 | 2016-12-20 | Varian Medical Systems, Inc. | X-ray tube cathode with magnetic electron beam steering |
WO2014107651A1 (en) * | 2013-01-04 | 2014-07-10 | The General Hospital Corporation | System and method for ultra-high resolution tomorgraphic imaging |
CN103594308A (zh) * | 2013-11-25 | 2014-02-19 | 丹东华日理学电气股份有限公司 | 双灯丝x射线管 |
US11380510B2 (en) * | 2016-05-16 | 2022-07-05 | Nano-X Imaging Ltd. | X-ray tube and a controller thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US688458A (en) * | 1901-09-27 | 1901-12-10 | Eugene W Caldwell | Stereoscopic x-ray apparatus. |
US2862107A (en) * | 1951-04-06 | 1958-11-25 | Gen Electric | Means for and method of controlling the generation of x-rays |
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 |
US2948822A (en) * | 1959-01-22 | 1960-08-09 | Mario Ghia | X-ray tubes |
US3076054A (en) * | 1959-11-27 | 1963-01-29 | Image Instr Inc | X-ray system |
-
1963
- 1963-06-14 US US287993A patent/US3250916A/en not_active Expired - Lifetime
-
1964
- 1964-05-22 FR FR975460A patent/FR1396750A/fr not_active Expired
- 1964-05-26 DE DE19641489114 patent/DE1489114A1/de active Pending
- 1964-05-29 NL NL6406073A patent/NL6406073A/xx unknown
- 1964-06-11 GB GB24312/64A patent/GB1043456A/en not_active Expired
- 1964-06-12 SE SE07217/64A patent/SE326238B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6406073A (ru) | 1964-12-15 |
FR1396750A (fr) | 1965-04-23 |
DE1489114A1 (de) | 1969-04-03 |
US3250916A (en) | 1966-05-10 |
GB1043456A (en) | 1966-09-21 |
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