FR2255697B1 - - Google Patents

Info

Publication number
FR2255697B1
FR2255697B1 FR7346036A FR7346036A FR2255697B1 FR 2255697 B1 FR2255697 B1 FR 2255697B1 FR 7346036 A FR7346036 A FR 7346036A FR 7346036 A FR7346036 A FR 7346036A FR 2255697 B1 FR2255697 B1 FR 2255697B1
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
FR7346036A
Other versions
FR2255697A1 (fr
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
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7346036A priority Critical patent/FR2255697B1/fr
Priority to US05/533,716 priority patent/US3943398A/en
Priority to DE19742460251 priority patent/DE2460251B2/de
Priority to GB55030/74A priority patent/GB1483239A/en
Priority to JP14666074A priority patent/JPS5096172A/ja
Publication of FR2255697A1 publication Critical patent/FR2255697A1/fr
Application granted granted Critical
Publication of FR2255697B1 publication Critical patent/FR2255697B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
FR7346036A 1973-12-21 1973-12-21 Expired FR2255697B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7346036A FR2255697B1 (fr) 1973-12-21 1973-12-21
US05/533,716 US3943398A (en) 1973-12-21 1974-12-17 Electronic tube with cylindrical electrodes
DE19742460251 DE2460251B2 (de) 1973-12-21 1974-12-19 Elektronenroehre mit zylindrischen elektroden
GB55030/74A GB1483239A (en) 1973-12-21 1974-12-19 Electronic tube with cylindrical electrodes
JP14666074A JPS5096172A (fr) 1973-12-21 1974-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7346036A FR2255697B1 (fr) 1973-12-21 1973-12-21

Publications (2)

Publication Number Publication Date
FR2255697A1 FR2255697A1 (fr) 1975-07-18
FR2255697B1 true FR2255697B1 (fr) 1977-08-12

Family

ID=9129618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7346036A Expired FR2255697B1 (fr) 1973-12-21 1973-12-21

Country Status (5)

Country Link
US (1) US3943398A (fr)
JP (1) JPS5096172A (fr)
DE (1) DE2460251B2 (fr)
FR (1) FR2255697B1 (fr)
GB (1) GB1483239A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1042105A1 (ru) * 1980-02-05 1983-09-15 Организация П/Я Х-5263 Решетчатый катод пр мого накала дл электронных ламп и способ его изготовлени
NL8500220A (nl) * 1985-01-28 1986-08-18 Philips Nv Elektronenbuis.
NL8501242A (nl) * 1985-05-02 1986-12-01 Philips Nv Elektronenbuis.
FR2655790B1 (fr) * 1989-12-08 1992-01-24 Thomson Tubes Electroniques Tube a grille a rendement ameliore.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289588A (en) * 1938-02-08 1942-07-14 Hygrade Sylvania Corp Electron discharge tube
US2928978A (en) * 1956-08-03 1960-03-15 Int Standard Electric Corp Mounting of thermionic cathodes
US3287597A (en) * 1962-12-24 1966-11-22 Varian Associates Vacuum tube with structurally integrated by-pass capacitor
FR1455956A (fr) * 1965-07-20 1966-05-20 Thomson Houston Comp Francaise Perfectionnements aux cathodes à chauffage direct
FR2116725A5 (fr) * 1970-12-04 1972-07-21 Thomson Csf

Also Published As

Publication number Publication date
GB1483239A (en) 1977-08-17
DE2460251A1 (de) 1975-06-26
JPS5096172A (fr) 1975-07-31
US3943398A (en) 1976-03-09
DE2460251B2 (de) 1976-03-11
FR2255697A1 (fr) 1975-07-18

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Legal Events

Date Code Title Description
ST Notification of lapse