IT1159940B - Procedimento e dispositivo per migliorare la definizione radiologica dei fuochi dei tubi a raggi x - Google Patents

Procedimento e dispositivo per migliorare la definizione radiologica dei fuochi dei tubi a raggi x

Info

Publication number
IT1159940B
IT1159940B IT28853/78A IT2885378A IT1159940B IT 1159940 B IT1159940 B IT 1159940B IT 28853/78 A IT28853/78 A IT 28853/78A IT 2885378 A IT2885378 A IT 2885378A IT 1159940 B IT1159940 B IT 1159940B
Authority
IT
Italy
Prior art keywords
radiological
definition
procedure
improve
ray tube
Prior art date
Application number
IT28853/78A
Other languages
English (en)
Other versions
IT7828853A0 (it
Original Assignee
Radiologie Cie Gle
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 Radiologie Cie Gle filed Critical Radiologie Cie Gle
Publication of IT7828853A0 publication Critical patent/IT7828853A0/it
Application granted granted Critical
Publication of IT1159940B publication Critical patent/IT1159940B/it

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IT28853/78A 1977-10-21 1978-10-18 Procedimento e dispositivo per migliorare la definizione radiologica dei fuochi dei tubi a raggi x IT1159940B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7731743A FR2406890A1 (fr) 1977-10-21 1977-10-21 Procede et dispositif pour ameliorer la definition radiologique des foyers des tubes a rayons x

Publications (2)

Publication Number Publication Date
IT7828853A0 IT7828853A0 (it) 1978-10-18
IT1159940B true IT1159940B (it) 1987-03-04

Family

ID=9196804

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28853/78A IT1159940B (it) 1977-10-21 1978-10-18 Procedimento e dispositivo per migliorare la definizione radiologica dei fuochi dei tubi a raggi x

Country Status (7)

Country Link
US (1) US4213048A (it)
EP (1) EP0001729B1 (it)
JP (1) JPS5484988A (it)
CA (1) CA1118115A (it)
DE (1) DE2860563D1 (it)
FR (1) FR2406890A1 (it)
IT (1) IT1159940B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968200A (ja) * 1982-10-08 1984-04-18 Yokogawa Hokushin Electric Corp Ｘ線ｃｔ装置
US4685118A (en) * 1983-11-10 1987-08-04 Picker International, Inc. X-ray tube electron beam switching and biasing method and apparatus
US4764947A (en) * 1985-12-04 1988-08-16 The Machlett Laboratories, Incorporated Cathode focusing arrangement
US5007074A (en) * 1989-07-25 1991-04-09 Picker International, Inc. X-ray tube anode focusing by low voltage bias
FR2687505B1 (fr) * 1992-02-13 1994-04-08 General Electric Cgr Circuit de chauffage de filaments de cathode d'un tube a rayons x.
US5535254A (en) * 1995-05-17 1996-07-09 Carlson; Todd R. X-ray tube with self-biasing deck
DE20218138U1 (de) 2002-11-21 2004-04-08 Heuft Systemtechnik Gmbh Röntgenanlage zur Erzeugung von kurzen Röntgenstrahlenimpulsen und mit einer solchen Röntgenanlage arbeitende Inspektionsvorrichtung
US8401151B2 (en) * 2009-12-16 2013-03-19 General Electric Company X-ray tube for microsecond X-ray intensity switching
US9224572B2 (en) 2012-12-18 2015-12-29 General Electric Company X-ray tube with adjustable electron beam
US9484179B2 (en) 2012-12-18 2016-11-01 General Electric Company X-ray tube with adjustable intensity profile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862107A (en) * 1951-04-06 1958-11-25 Gen Electric Means for and method of controlling the generation of x-rays
US3691417A (en) * 1969-09-02 1972-09-12 Watkins Johnson Co X-ray generating assembly and system
US3743836A (en) * 1972-02-22 1973-07-03 Machlett Lab Inc X-ray focal spot control system
US3992633A (en) * 1973-09-04 1976-11-16 The Machlett Laboratories, Incorporated Broad aperture X-ray generator

Also Published As

Publication number Publication date
EP0001729B1 (fr) 1981-03-25
CA1118115A (fr) 1982-02-09
FR2406890A1 (fr) 1979-05-18
DE2860563D1 (en) 1981-04-16
JPS5484988A (en) 1979-07-06
EP0001729A3 (en) 1979-08-08
US4213048A (en) 1980-07-15
IT7828853A0 (it) 1978-10-18
FR2406890B1 (it) 1980-09-12
EP0001729A2 (fr) 1979-05-02

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