FR1455956A - Perfectionnements aux cathodes à chauffage direct - Google Patents

Perfectionnements aux cathodes à chauffage direct

Info

Publication number
FR1455956A
FR1455956A FR25295A FR25295A FR1455956A FR 1455956 A FR1455956 A FR 1455956A FR 25295 A FR25295 A FR 25295A FR 25295 A FR25295 A FR 25295A FR 1455956 A FR1455956 A FR 1455956A
Authority
FR
France
Prior art keywords
direct heating
heating cathode
cathode
direct
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
Application number
FR25295A
Other languages
English (en)
Inventor
Jean-Marcel Sarrois
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR25295A priority Critical patent/FR1455956A/fr
Application granted granted Critical
Publication of FR1455956A publication Critical patent/FR1455956A/fr
Priority to CH941466A priority patent/CH443495A/fr
Priority to US562608A priority patent/US3449616A/en
Priority to GB32662/66A priority patent/GB1136139A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR25295A 1965-07-20 1965-07-20 Perfectionnements aux cathodes à chauffage direct Expired FR1455956A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR25295A FR1455956A (fr) 1965-07-20 1965-07-20 Perfectionnements aux cathodes à chauffage direct
CH941466A CH443495A (fr) 1965-07-20 1966-06-29 Cathode à chauffage direct
US562608A US3449616A (en) 1965-07-20 1966-07-05 Tubular mesh cathode for high-power electronic tubes
GB32662/66A GB1136139A (en) 1965-07-20 1966-07-20 Improvements in filamentary cathodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25295A FR1455956A (fr) 1965-07-20 1965-07-20 Perfectionnements aux cathodes à chauffage direct

Publications (1)

Publication Number Publication Date
FR1455956A true FR1455956A (fr) 1966-05-20

Family

ID=8584862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25295A Expired FR1455956A (fr) 1965-07-20 1965-07-20 Perfectionnements aux cathodes à chauffage direct

Country Status (4)

Country Link
US (1) US3449616A (fr)
CH (1) CH443495A (fr)
FR (1) FR1455956A (fr)
GB (1) GB1136139A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101108A1 (fr) * 1982-07-27 1984-02-22 BBC Aktiengesellschaft Brown, Boveri & Cie. Tube électronique, en particulier tube émetteur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560791A (en) * 1967-09-08 1971-02-02 Siemens Ag Mesh cathode for electron tubes
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
CH549283A (de) * 1972-09-06 1974-05-15 Bbc Brown Boveri & Cie Maschenkathode fuer elektronenroehren.
FR2255697B1 (fr) * 1973-12-21 1977-08-12 Thomson Csf
US3976909A (en) * 1975-07-11 1976-08-24 Rca Corporation Wire mesh cathode
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
FR2708379B1 (fr) * 1993-07-27 1995-09-01 Thomson Tubes Electroniques Cathode à enclenchement et coupure rapides du chauffage et tube électronique à grille comportant une telle cathode.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456649A (en) * 1943-06-12 1948-12-21 Glenn F Rouse Cathode
BE484368A (fr) * 1947-08-15
FR1053139A (fr) * 1952-03-28 1954-02-01 Thomson Houston Comp Francaise Perfectionnements aux cathodes thermoioniques
NL88786C (fr) * 1955-04-02
GB874631A (en) * 1958-07-01 1961-08-10 Siemens Ag Improvements relating to cathodes for electronic valves
US3172002A (en) * 1960-11-21 1965-03-02 Rca Corp Cathode mount and method of fabrication
GB987461A (en) * 1962-05-31 1965-03-31 Standard Telephones Cables Ltd Thermionic valves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101108A1 (fr) * 1982-07-27 1984-02-22 BBC Aktiengesellschaft Brown, Boveri & Cie. Tube électronique, en particulier tube émetteur

Also Published As

Publication number Publication date
US3449616A (en) 1969-06-10
GB1136139A (en) 1968-12-11
CH443495A (fr) 1967-09-15

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