FR2432215B1 - - Google Patents

Info

Publication number: FR2432215B1
Authority: FR; France
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

Application number

FR7822265A

Other versions

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.)

1978-07-27

Filing date

1978-07-27

Publication date

1980-12-12

1978-07-27 Application filed by Thomson CSF SA filed Critical Thomson CSF SA

1978-07-27 Priority to FR7822265A priority Critical patent/FR2432215A1/fr

1979-07-20 Priority to EP79400518A priority patent/EP0007865B1/fr

1979-07-20 Priority to DE7979400518T priority patent/DE2962047D1/de

1980-02-22 Publication of FR2432215A1 publication Critical patent/FR2432215A1/fr

1980-12-12 Application granted granted Critical

1980-12-12 Publication of FR2432215B1 publication Critical patent/FR2432215B1/fr

1981-04-06 Priority to US06/250,923 priority patent/US4387320A/en

Status Granted legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/48—Mountings for individual electrodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid

FR7822265A 1978-07-27 1978-07-27 Tube electronique a grille cylindrique en graphite pyrolytique Granted FR2432215A1 (fr)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
FR7822265A FR2432215A1 (fr)	1978-07-27	1978-07-27	Tube electronique a grille cylindrique en graphite pyrolytique
EP79400518A EP0007865B1 (fr)	1978-07-27	1979-07-20	Tube électronique à grille cylindrique en graphite pyrolytique
DE7979400518T DE2962047D1 (en)	1978-07-27	1979-07-20	Electron tube with a cylindrical pyrolytic graphite grid
US06/250,923 US4387320A (en)	1978-07-27	1981-04-06	Electron tube with cylindrical grid of pyrolytic graphite

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7822265A FR2432215A1 (fr)	1978-07-27	1978-07-27	Tube electronique a grille cylindrique en graphite pyrolytique

Publications (2)

Publication Number	Publication Date
FR2432215A1 FR2432215A1 (fr)	1980-02-22
FR2432215B1 true FR2432215B1 (fr)	1980-12-12

Family

ID=9211260

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7822265A Granted FR2432215A1 (fr)	1978-07-27	1978-07-27	Tube electronique a grille cylindrique en graphite pyrolytique

Country Status (4)

Country	Link
US (1)	US4387320A (fr)
EP (1)	EP0007865B1 (fr)
DE (1)	DE2962047D1 (fr)
FR (1)	FR2432215A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2520553A1 (fr) *	1982-01-22	1983-07-29	Cameca	Appareil d'optique electronique comportant des elements en graphite pyrolytique
FR2661778A1 (fr) *	1990-05-04	1991-11-08	Thomson Tubes Electroniques	Tube d'amplification a grille avec barreaux de largeur variable.
EP0496008B1 (fr) *	1991-01-21	1995-09-13	Thomson Elektronenröhren AG	Tube électronique à haute puissance réglable
GB9405139D0 (en) *	1994-03-16	1994-05-18	Eev Ltd	Electron gun arrangements
FR2775118B1 (fr) *	1998-02-13	2000-05-05	Thomson Tubes Electroniques	Grille pour tube electronique a faisceau axial a performances ameliorees

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE528755A (fr) *
US3164740A (en) *	1960-04-29	1965-01-05	Rca Corp	Electron tube grids and method of making the same
FR1344220A (fr) *	1962-03-02	1963-11-29	Thomson Houston Comp Francaise	Grille pour tubes électroniques
US3737711A (en) *	1968-11-21	1973-06-05	Varian Associates	Electron tube having an improved filamentary cathode and support therefor and method of making same
FR2276681A1 (fr) *	1974-06-28	1976-01-23	Thomson Csf	Grille pour tube electronique et tube comportant une telle grille
GB1514591A (en) *	1976-01-29	1978-06-14	English Electric Valve Co Ltd	Electronic valves
FR2429490A1 (fr) *	1978-06-23	1980-01-18	Thomson Csf	Grille en graphite pyrolytique pour tube electronique de grande puissance, et son procede de montage
US4302701A (en) *	1978-07-07	1981-11-24	Siemens Aktiengesellschaft	Directly heated cathode for an electron tube with coaxial electrode design

1978
- 1978-07-27 FR FR7822265A patent/FR2432215A1/fr active Granted
1979
- 1979-07-20 EP EP79400518A patent/EP0007865B1/fr not_active Expired
- 1979-07-20 DE DE7979400518T patent/DE2962047D1/de not_active Expired
1981
- 1981-04-06 US US06/250,923 patent/US4387320A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0007865A1 (fr)	1980-02-06
DE2962047D1 (en)	1982-03-11
US4387320A (en)	1983-06-07
FR2432215A1 (fr)	1980-02-22
EP0007865B1 (fr)	1982-02-03

Publication	Publication Date	Title
FR2416723B1 (fr)	1985-03-29
FR2414582B3 (fr)	1981-09-18
FR2429490B1 (fr)	1980-10-24
FR2416199B1 (fr)	1984-10-26
FR2415612B1 (fr)	1983-06-03
FR2416544B1 (fr)	1982-12-31
FR2432215B1 (fr)	1980-12-12
DE2823136C2 (fr)	1980-11-13
FR2413076B2 (fr)	1982-09-24
FR2417114B1 (fr)	1982-04-02
FR2415307B1 (fr)	1981-08-28
FR2414065B1 (fr)	1982-06-25
FR2415362B2 (fr)	1980-09-12
DK142590C (fr)	1981-07-27
BG26009A1 (fr)	1979-02-15
BG25971A1 (fr)	1979-01-12
BG27014A1 (fr)	1979-08-15
BG26901A1 (fr)	1979-07-12
BG26411A1 (fr)	1979-04-12
BG26017A1 (fr)	1979-02-15
BG26015A1 (fr)	1979-02-15
BG26014A1 (fr)	1979-02-15
BG26013A1 (fr)	1979-02-15
BG26012A1 (fr)	1979-02-15
BG26022A1 (fr)	1979-02-15

Legal Events

Date	Code	Title	Description
1993-05-28	ST	Notification of lapse