FR2687505B1 - CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE. - Google Patents

CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE.

Info

Publication number
FR2687505B1
FR2687505B1 FR9201622A FR9201622A FR2687505B1 FR 2687505 B1 FR2687505 B1 FR 2687505B1 FR 9201622 A FR9201622 A FR 9201622A FR 9201622 A FR9201622 A FR 9201622A FR 2687505 B1 FR2687505 B1 FR 2687505B1
Authority
FR
France
Prior art keywords
circuit
ray tube
cathode filaments
heating cathode
heating
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
FR9201622A
Other languages
French (fr)
Other versions
FR2687505A1 (en
Inventor
Emile Gabbay (Cabinet Ballot-Schmit) Le Guen Jacques (Cabinet Ballot-Schmit)
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.)
General Electric CGR SA
Original Assignee
General Electric CGR 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
Application filed by General Electric CGR SA filed Critical General Electric CGR SA
Priority to FR9201622A priority Critical patent/FR2687505B1/en
Priority to DE4304126A priority patent/DE4304126C2/en
Publication of FR2687505A1 publication Critical patent/FR2687505A1/en
Application granted granted Critical
Publication of FR2687505B1 publication Critical patent/FR2687505B1/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
    • H01J35/025—X-ray tubes with structurally associated circuit elements
    • 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
    • H01J35/064—Details of the emitter, e.g. material or structure
FR9201622A 1992-02-13 1992-02-13 CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE. Expired - Lifetime FR2687505B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9201622A FR2687505B1 (en) 1992-02-13 1992-02-13 CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE.
DE4304126A DE4304126C2 (en) 1992-02-13 1993-02-11 Heating circuit for an X-ray tube cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9201622A FR2687505B1 (en) 1992-02-13 1992-02-13 CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE.

Publications (2)

Publication Number Publication Date
FR2687505A1 FR2687505A1 (en) 1993-08-20
FR2687505B1 true FR2687505B1 (en) 1994-04-08

Family

ID=9426610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9201622A Expired - Lifetime FR2687505B1 (en) 1992-02-13 1992-02-13 CIRCUIT FOR HEATING CATHODE FILAMENTS OF AN X-RAY TUBE.

Country Status (2)

Country Link
DE (1) DE4304126C2 (en)
FR (1) FR2687505B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480572B2 (en) 2001-03-09 2002-11-12 Koninklijke Philips Electronics N.V. Dual filament, electrostatically controlled focal spot for x-ray tubes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649861A (en) * 1970-09-09 1972-03-14 Picker Corp Double focus x-ray tube
DE2249365C3 (en) * 1972-10-09 1983-11-17 Siemens AG, 1000 Berlin und 8000 München X-ray device with a rectangular diaphragm in front of the hot cathode of the X-ray tube, on which an adjustable voltage is applied
FR2406890A1 (en) * 1977-10-21 1979-05-18 Radiologie Cie Gle METHOD AND DEVICE FOR IMPROVING THE RADIOLOGICAL DEFINITION OF X-RAY TUBE FIREPLACES
US4315154A (en) * 1979-11-08 1982-02-09 Siemens Corporation Multiple focus X-ray generator
US4266133A (en) * 1979-11-08 1981-05-05 Siemens Corporation Multiple focus X-ray generator
FR2555359A1 (en) * 1983-11-18 1985-05-24 Thomson Cgr X-radiation generating device with long-duration X-ray tube

Also Published As

Publication number Publication date
FR2687505A1 (en) 1993-08-20
DE4304126C2 (en) 1995-04-20
DE4304126A1 (en) 1993-08-19

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