FR2536583B1 - X-RAY TUBE HAVING AN ADJUSTABLE FIREPLACE - Google Patents

X-RAY TUBE HAVING AN ADJUSTABLE FIREPLACE

Info

Publication number
FR2536583B1
FR2536583B1 FR838318478A FR8318478A FR2536583B1 FR 2536583 B1 FR2536583 B1 FR 2536583B1 FR 838318478 A FR838318478 A FR 838318478A FR 8318478 A FR8318478 A FR 8318478A FR 2536583 B1 FR2536583 B1 FR 2536583B1
Authority
FR
France
Prior art keywords
ray tube
adjustable fireplace
fireplace
adjustable
ray
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
FR838318478A
Other languages
French (fr)
Other versions
FR2536583A1 (en
Inventor
A Robert Sohval
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elscint Inc
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 FR2536583A1 publication Critical patent/FR2536583A1/en
Application granted granted Critical
Publication of FR2536583B1 publication Critical patent/FR2536583B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
FR838318478A 1982-11-23 1983-11-21 X-RAY TUBE HAVING AN ADJUSTABLE FIREPLACE Expired - Lifetime FR2536583B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2536583A1 FR2536583A1 (en) 1984-05-25
FR2536583B1 true FR2536583B1 (en) 1990-05-11

Family

ID=23762917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838318478A Expired - Lifetime FR2536583B1 (en) 1982-11-23 1983-11-21 X-RAY TUBE HAVING AN ADJUSTABLE FIREPLACE

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.
EP1449231B1 (en) * 2001-11-20 2010-06-23 Koninklijke Philips Electronics N.V. 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
NL192549C (en) 1997-09-02
DE3342127A1 (en) 1984-06-07
IT8349351A0 (en) 1983-11-17
FR2536583A1 (en) 1984-05-25
JPH0415982B2 (en) 1992-03-19
IL70210A (en) 1987-10-20
NL8304028A (en) 1984-06-18
IL70210A0 (en) 1984-02-29
NL192549B (en) 1997-05-01
IT1178354B (en) 1987-09-09
JPS59149642A (en) 1984-08-27

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Legal Events

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TP Transmission of property