NL192549B - X-ray tube with adjustable burn spot. - Google Patents

X-ray tube with adjustable burn spot.

Info

Publication number
NL192549B
NL192549B NL8304028A NL8304028A NL192549B NL 192549 B NL192549 B NL 192549B NL 8304028 A NL8304028 A NL 8304028A NL 8304028 A NL8304028 A NL 8304028A NL 192549 B NL192549 B NL 192549B
Authority
NL
Netherlands
Prior art keywords
ray tube
burn spot
adjustable burn
adjustable
spot
Prior art date
Application number
NL8304028A
Other languages
Dutch (nl)
Other versions
NL192549C (en
NL8304028A (en
Original Assignee
Elscint Inc
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 Elscint Inc filed Critical Elscint Inc
Publication of NL8304028A publication Critical patent/NL8304028A/en
Publication of NL192549B publication Critical patent/NL192549B/en
Application granted granted Critical
Publication of NL192549C publication Critical patent/NL192549C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153—Spot position control
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147—Spot size control
NL8304028A 1982-11-23 1983-11-23 X-ray tube with adjustable burn spot. NL192549C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44396382A 1982-11-23 1982-11-23
US44396382 1982-11-23

Publications (3)

Publication Number Publication Date
NL8304028A NL8304028A (en) 1984-06-18
NL192549B true NL192549B (en) 1997-05-01
NL192549C NL192549C (en) 1997-09-02

Family

ID=23762917

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8304028A NL192549C (en) 1982-11-23 1983-11-23 X-ray tube with adjustable burn spot.

Country Status (6)

Country Link
JP (1) JPS59149642A (en)
DE (1) DE3342127A1 (en)
FR (1) FR2536583B1 (en)
IL (1) IL70210A (en)
IT (1) IT1178354B (en)
NL (1) NL192549C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538948B3 (en) * 1982-12-30 1985-10-18 Thomson Csf SCANNING X-RAY TUBE
US4698835A (en) * 1984-05-31 1987-10-06 Kabushiki Kaisha Toshiba X-ray tube apparatus
FR2572215A1 (en) * 1984-10-19 1986-04-25 Thomson Cgr Radiological device with focus positional control along a given control axis
US4764947A (en) * 1985-12-04 1988-08-16 The Machlett Laboratories, Incorporated Cathode focusing arrangement
FR2644931A1 (en) * 1989-03-24 1990-09-28 Gen Electric Cgr SCANNING X-RAY TUBE WITH DEFLECTION PLATES
FR2671229B1 (en) * 1990-12-28 1993-03-19 Gen Electric Cgr METHOD, TUBE AND SYSTEM FOR ELIMINATING AN ANTI-DIFFUSING GRID FIXED IN A RADIOLOGICAL IMAGE.
WO2003044823A1 (en) * 2001-11-20 2003-05-30 Koninklijke Philips Electronics Nv X-ray tube cathode cup structure for focal spot deflection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250916A (en) * 1963-06-14 1966-05-10 Machlett Lab Inc Stereo x-ray device
US4048496A (en) * 1972-05-08 1977-09-13 Albert Richard D Selectable wavelength X-ray source, spectrometer and assay method
US3783323A (en) * 1972-08-30 1974-01-01 Picker Corp X-ray tube having focusing cup with non-emitting coating
DE2437119A1 (en) * 1974-08-01 1976-02-12 Siemens Ag Power X-ray tube with focussing Wehnelt cylinder - has electrostatic lens between Wehnelt cylinder and anode
US3962583A (en) * 1974-12-30 1976-06-08 The Machlett Laboratories, Incorporated X-ray tube focusing means
CA1108062A (en) * 1977-07-18 1981-09-01 Rudolph A. Morgenfruh Automatically colour printing control device
DE2821597A1 (en) * 1978-05-17 1979-11-22 Siemens Ag USE OF A SYSTEM FOR GENERATING A FLAT ELECTRON BEAM WITH PURELY ELECTROSTATIC FOCUSING IN AN X-RAY TUBE
JPS5568056A (en) * 1978-11-17 1980-05-22 Hitachi Ltd X-ray tube
DE3001141A1 (en) * 1980-01-14 1981-07-16 Siemens AG, 1000 Berlin und 8000 München CATHODE ARRANGEMENT FOR AN X-RAY TUBE
US4334153A (en) * 1980-09-29 1982-06-08 General Electric Company X-Ray tube grid bias supply

Also Published As

Publication number Publication date
IT8349351A0 (en) 1983-11-17
FR2536583A1 (en) 1984-05-25
JPH0415982B2 (en) 1992-03-19
IT8349351A1 (en) 1985-05-17
IL70210A0 (en) 1984-02-29
NL192549C (en) 1997-09-02
JPS59149642A (en) 1984-08-27
FR2536583B1 (en) 1990-05-11
IL70210A (en) 1987-10-20
DE3342127A1 (en) 1984-06-07
IT1178354B (en) 1987-09-09
NL8304028A (en) 1984-06-18

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
SNR Assignments of patents or rights arising from examined patent applications

Owner name: PICKER INTERNATIONAL, INC.

V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20031123