EP0056552A3 - Universal limiter for secondary radiation in an x-ray tube and an x-ray tube containing such a limiter - Google Patents

Universal limiter for secondary radiation in an x-ray tube and an x-ray tube containing such a limiter Download PDF

Info

Publication number
EP0056552A3
EP0056552A3 EP81402080A EP81402080A EP0056552A3 EP 0056552 A3 EP0056552 A3 EP 0056552A3 EP 81402080 A EP81402080 A EP 81402080A EP 81402080 A EP81402080 A EP 81402080A EP 0056552 A3 EP0056552 A3 EP 0056552A3
Authority
EP
European Patent Office
Prior art keywords
limiter
ray tube
universal
secondary radiation
tube containing
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.)
Granted
Application number
EP81402080A
Other languages
French (fr)
Other versions
EP0056552A2 (en
EP0056552B2 (en
EP0056552B1 (en
Inventor
Emile Gabbay
Jean-Marie Penato
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.)
Thales SA
Original Assignee
Thomson CSF SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9254231&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0056552(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0056552A2 publication Critical patent/EP0056552A2/en
Publication of EP0056552A3 publication Critical patent/EP0056552A3/en
Application granted granted Critical
Publication of EP0056552B1 publication Critical patent/EP0056552B1/en
Publication of EP0056552B2 publication Critical patent/EP0056552B2/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
    • H01J35/16—Vessels; Containers; Shields associated therewith
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
EP81402080A 1981-01-16 1981-12-28 X-ray tube containing a universal limiter for secondary radiation Expired - Lifetime EP0056552B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8100775A FR2498375A1 (en) 1981-01-16 1981-01-16 UNIVERSAL LIMITER OF SECONDARY RADIATION IN A RADIOGENIC TUBE AND RADIOGENIC TUBE COMPRISING SUCH A LIMITER
FR8100775 1981-01-16

Publications (4)

Publication Number Publication Date
EP0056552A2 EP0056552A2 (en) 1982-07-28
EP0056552A3 true EP0056552A3 (en) 1982-08-04
EP0056552B1 EP0056552B1 (en) 1987-02-11
EP0056552B2 EP0056552B2 (en) 1990-09-12

Family

ID=9254231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81402080A Expired - Lifetime EP0056552B2 (en) 1981-01-16 1981-12-28 X-ray tube containing a universal limiter for secondary radiation

Country Status (4)

Country Link
US (1) US4472827A (en)
EP (1) EP0056552B2 (en)
DE (1) DE3175923D1 (en)
FR (1) FR2498375A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934321A1 (en) * 1989-10-13 1991-04-18 Siemens Ag X=ray tube with window - of varying cross=section to reduce extra-focal radiation
FR2655191A1 (en) * 1989-11-28 1991-05-31 Genral Electric Cgr Sa ANODE FOR X-RAY TUBE.
FR2655192A1 (en) * 1989-11-28 1991-05-31 Gen Electric Cgr ANODE FOR X - RAY TUBE WITH COMPOSITE BASE BODY.
US5033074A (en) * 1989-12-04 1991-07-16 Gte Laboratories Incorporated X-ray colllimator for eliminating the secondary radiation and shadow anomaly from microfocus projection radiographs
US5479021A (en) * 1991-06-10 1995-12-26 Picker International, Inc. Transmission line source assembly for spect cameras
FR2694504B1 (en) * 1992-08-04 1994-09-16 Joel Kerjean Method and apparatus for the treatment of lesions by high energy radiation.
FR2748848B1 (en) * 1996-05-20 2003-03-07 Ge Medical Syst Sa ENCLOSURE FOR ELECTROMAGNETIC RADIATION SOURCE AND METHOD FOR ELIMINATION OF EXTRAFOCAL ELECTROMAGNETIC RADIATION
US6320936B1 (en) * 1999-11-26 2001-11-20 Parker Medical, Inc. X-ray tube assembly with beam limiting device for reducing off-focus radiation
DE10320700A1 (en) * 2003-05-08 2004-12-02 Siemens Ag Vacuum housing for x-ray tube esp. rotating anode tube having a protective layer made of a material which compensates for thermal shock wear effect on the tube material
DE102004025119B4 (en) * 2004-05-21 2012-08-02 Siemens Ag X-ray
EP1941516A2 (en) * 2005-09-06 2008-07-09 Honeywell International Inc. Radio-opaque coatings used as shielding for radiation sources
US9601223B2 (en) 2009-07-21 2017-03-21 Analogic Corporation Anti-scatter grid or collimator
US8262288B2 (en) * 2010-01-21 2012-09-11 Analogic Corporation Focal spot position determiner
RU2013136560A (en) 2011-01-06 2015-02-20 Конинклейке Филипс Электроникс Н.В. VISUALIZATION SYSTEM FOR VISUALIZING AN OBJECT
DE102018112054B4 (en) * 2018-05-18 2023-02-09 Yxlon International Gmbh X-ray tube with collimator and collimator device for closed X-ray tube

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1051495A (en) * 1951-12-17 1954-01-15 Radiologie Cie Gle Improvements to x-ray generating devices
FR1112714A (en) * 1953-07-18 1956-03-19 Philips Nv Limited beam chi-ray tube
US3500097A (en) * 1967-03-06 1970-03-10 Dunlee Corp X-ray generator
FR2038757A5 (en) * 1969-03-28 1971-01-08 Atome Ind Radiation collimator
DE2744808A1 (en) * 1976-10-05 1978-04-06 Tokyo Shibaura Electric Co X-RAY RADIATION SOURCE
FR2389227A1 (en) * 1977-04-25 1978-11-24 Philips Nv RONTGEN TUBE
US4157476A (en) * 1978-02-03 1979-06-05 General Electric Company Dental X-ray tube head
EP0044067A2 (en) * 1980-07-14 1982-01-20 Siemens Aktiengesellschaft Collimator assembly for an electron accelerator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309637A (en) * 1979-11-13 1982-01-05 Emi Limited Rotating anode X-ray tube

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1051495A (en) * 1951-12-17 1954-01-15 Radiologie Cie Gle Improvements to x-ray generating devices
FR1112714A (en) * 1953-07-18 1956-03-19 Philips Nv Limited beam chi-ray tube
US3500097A (en) * 1967-03-06 1970-03-10 Dunlee Corp X-ray generator
FR2038757A5 (en) * 1969-03-28 1971-01-08 Atome Ind Radiation collimator
DE2744808A1 (en) * 1976-10-05 1978-04-06 Tokyo Shibaura Electric Co X-RAY RADIATION SOURCE
FR2389227A1 (en) * 1977-04-25 1978-11-24 Philips Nv RONTGEN TUBE
US4157476A (en) * 1978-02-03 1979-06-05 General Electric Company Dental X-ray tube head
EP0044067A2 (en) * 1980-07-14 1982-01-20 Siemens Aktiengesellschaft Collimator assembly for an electron accelerator

Also Published As

Publication number Publication date
US4472827A (en) 1984-09-18
EP0056552A2 (en) 1982-07-28
FR2498375A1 (en) 1982-07-23
DE3175923D1 (en) 1987-03-19
EP0056552B2 (en) 1990-09-12
FR2498375B3 (en) 1983-09-16
EP0056552B1 (en) 1987-02-11

Similar Documents

Publication Publication Date Title
DE3269085D1 (en) Radiation image read-out method and apparatus
GB2089109B (en) X-rays targets and tubes
DE3564346D1 (en) Radiation image read-out apparatus
DE3269099D1 (en) Radiation image read-out method and apparatus
EP0056552A3 (en) Universal limiter for secondary radiation in an x-ray tube and an x-ray tube containing such a limiter
JPS5612599A (en) Method and device for converting radiation image
JPS57203981A (en) Radiation device
GB2108754B (en) X-ray tube
DE3375270D1 (en) Radiation image read-out method and apparatus
JPS57203431A (en) Diffused radioactive ray diagnostic apparatus
DE3573840D1 (en) Radiation image read-out apparatus
JPS57179776A (en) X-ray detector
JPS57168645A (en) Radioactive ray image photographing apparatus
DE3562055D1 (en) Radiation image read-out apparatus
IL86350A (en) Device for locating nuclear radiation and radiation image formation device incorporating such a locating device
DE3574414D1 (en) Radiation image read-out apparatus
DE3463194D1 (en) Device for eliminating secondary radiation
GB2100960B (en) X-ray tube cathode multiple polarization device and a radiation source incorporating such a device
GB8312354D0 (en) Cathode ray tube and envelopes
GB2095960B (en) X-ray device
DE3262890D1 (en) X-ray apparatus
DE3269487D1 (en) Radiation detector
IL70210A0 (en) Improved x-ray tubes
DE3375220D1 (en) Radiation image read-out method and apparatus
JPS57150000A (en) Device of putting x-ray at object

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): CH DE FR GB LI NL

AK Designated contracting states

Designated state(s): CH DE FR GB LI NL

17P Request for examination filed

Effective date: 19821218

RBV Designated contracting states (corrected)

Designated state(s): DE FR

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR

REF Corresponds to:

Ref document number: 3175923

Country of ref document: DE

Date of ref document: 19870319

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19871110

RAP4 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: THOMSON-CSF

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

27A Patent maintained in amended form

Effective date: 19900912

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): DE FR

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20001130

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20001211

Year of fee payment: 20