FR2340019A1 - Valve electronique - Google Patents

Valve electronique

Info

Publication number
FR2340019A1
FR2340019A1 FR7702149A FR7702149A FR2340019A1 FR 2340019 A1 FR2340019 A1 FR 2340019A1 FR 7702149 A FR7702149 A FR 7702149A FR 7702149 A FR7702149 A FR 7702149A FR 2340019 A1 FR2340019 A1 FR 2340019A1
Authority
FR
France
Prior art keywords
electronic valve
valve
electronic
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.)
Withdrawn
Application number
FR7702149A
Other languages
English (en)
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co Ltd
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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of FR2340019A1 publication Critical patent/FR2340019A1/fr
Withdrawn legal-status Critical Current

Links

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
FR7702149A 1976-01-29 1977-01-26 Valve electronique Withdrawn FR2340019A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3636/76A GB1514591A (en) 1976-01-29 1976-01-29 Electronic valves

Publications (1)

Publication Number Publication Date
FR2340019A1 true FR2340019A1 (fr) 1977-08-26

Family

ID=9762065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702149A Withdrawn FR2340019A1 (fr) 1976-01-29 1977-01-26 Valve electronique

Country Status (3)

Country Link
US (1) US4119880A (fr)
FR (1) FR2340019A1 (fr)
GB (1) GB1514591A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2518801A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Grille en graphite pyrolytique munie d'un support de fixation et son procede de realisation
FR2566959A1 (fr) * 1984-06-29 1986-01-03 Thomson Csf Dispositif de fixation d'une grille en graphite pyrolytique sur l'embase d'un tube electronique
WO1999041762A1 (fr) * 1998-02-13 1999-08-19 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302701A (en) * 1978-07-07 1981-11-24 Siemens Aktiengesellschaft Directly heated cathode for an electron tube with coaxial electrode design
FR2432215A1 (fr) * 1978-07-27 1980-02-22 Thomson Csf Tube electronique a grille cylindrique en graphite pyrolytique
NL8300191A (nl) * 1983-01-19 1984-08-16 Philips Nv Elektrische ontladingsbuis.
NL8500220A (nl) * 1985-01-28 1986-08-18 Philips Nv Elektronenbuis.
US4866331A (en) * 1987-07-22 1989-09-12 North American Philips Corporation Eyelet for incandescent lamp bases and method of making

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656480A (en) * 1951-07-09 1953-10-20 Collins Radio Co Filament tensioning device
US2928978A (en) * 1956-08-03 1960-03-15 Int Standard Electric Corp Mounting of thermionic cathodes
US3800378A (en) * 1972-06-07 1974-04-02 Rca Corp Method of making a directly-heated cathode
CH566072A5 (fr) * 1973-11-07 1975-08-29 Bbc Brown Boveri & Cie

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2518801A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Grille en graphite pyrolytique munie d'un support de fixation et son procede de realisation
FR2566959A1 (fr) * 1984-06-29 1986-01-03 Thomson Csf Dispositif de fixation d'une grille en graphite pyrolytique sur l'embase d'un tube electronique
WO1999041762A1 (fr) * 1998-02-13 1999-08-19 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial
FR2775118A1 (fr) * 1998-02-13 1999-08-20 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial a performances ameliorees

Also Published As

Publication number Publication date
GB1514591A (en) 1978-06-14
US4119880A (en) 1978-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse