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
Application number
SE07217/64A
Other languages
English (en)
Inventor
T Rogers
Original Assignee
Machlett Lab Incorp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Machlett Lab Incorp filed Critical Machlett Lab Incorp
Publication of SE326238B publication Critical patent/SE326238B/xx

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
SE07217/64A 1963-06-14 1964-06-12 SE326238B (de)

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 (de) 1970-07-20

Family

ID=23105289

Family Applications (1)

Application Number Title Priority Date Filing Date
SE07217/64A SE326238B (de) 1963-06-14 1964-06-12

Country Status (6)

Country Link
US (1) US3250916A (de)
DE (1) DE1489114A1 (de)
FR (1) FR1396750A (de)
GB (1) GB1043456A (de)
NL (1) NL6406073A (de)
SE (1) SE326238B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
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 (de) * 1971-03-25 1972-09-27
JPS54635B1 (de) * 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
IL72276A (en) * 1983-07-28 1988-01-31 Elscint Ltd Computerized tomographic system with improved resolution
US4637040A (en) * 1983-07-28 1987-01-13 Elscint, Ltd. Plural source computerized tomography device 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
ATE547803T1 (de) * 2007-06-21 2012-03-15 Koninkl Philips Electronics Nv Schnelle dosismodulierung über z-deflektion in einer rotierenden anode oder einer rotierenden rahmenröhre
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
US9629602B2 (en) * 2013-01-04 2017-04-25 The General Hospital Corporation System and method for ultra-high resolution tomographic 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR1396750A (fr) 1965-04-23
US3250916A (en) 1966-05-10
DE1489114A1 (de) 1969-04-03
NL6406073A (de) 1964-12-15
GB1043456A (en) 1966-09-21

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