FR1386875A - Indirect heating cathode heating assemblies of electron tubes - Google Patents

Indirect heating cathode heating assemblies of electron tubes

Info

Publication number
FR1386875A
FR1386875A FR968911A FR968911A FR1386875A FR 1386875 A FR1386875 A FR 1386875A FR 968911 A FR968911 A FR 968911A FR 968911 A FR968911 A FR 968911A FR 1386875 A FR1386875 A FR 1386875A
Authority
FR
France
Prior art keywords
heating
electron tubes
assemblies
indirect
cathode
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
FR968911A
Other languages
French (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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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
Priority claimed from BE645648A external-priority patent/BE645648A/fr
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR1386875A publication Critical patent/FR1386875A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
FR968911A 1963-03-27 1964-03-27 Indirect heating cathode heating assemblies of electron tubes Expired FR1386875A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US268387A US3225246A (en) 1963-03-27 1963-03-27 Indirectly heated cathode
BE645648A BE645648A (en) 1963-03-27 1964-03-24

Publications (1)

Publication Number Publication Date
FR1386875A true FR1386875A (en) 1965-01-22

Family

ID=25655781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR968911A Expired FR1386875A (en) 1963-03-27 1964-03-27 Indirect heating cathode heating assemblies of electron tubes

Country Status (6)

Country Link
US (1) US3225246A (en)
DE (1) DE1257981B (en)
FR (1) FR1386875A (en)
GB (1) GB1027404A (en)
NL (1) NL6403305A (en)
SE (1) SE303806B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293909B (en) * 1965-11-16 1969-04-30 Philips Patentverwaltung Incandescent cathode for an electrical discharge tube with a heat trap

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5824370Y2 (en) * 1977-02-04 1983-05-25 株式会社日立製作所 magnetron
CN114513868B (en) * 2022-02-18 2022-09-09 哈尔滨工业大学 Electric heater assembly of electric propulsion hollow cathode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL37515C (en) * 1927-10-15
US1941074A (en) * 1930-09-17 1933-12-26 Bell Telephone Labor Inc Electric discharge device
DE745133C (en) * 1935-06-27 1944-02-26 Aeg Indirectly heated cathode for electrical discharge vessels
DE763222C (en) * 1938-08-23 1954-10-04 Siemens & Halske A G Indirectly heated glow cathode for electron beam tubes
US2510639A (en) * 1948-03-02 1950-06-06 Gen Electric Cavity resonator system
US2842701A (en) * 1954-12-22 1958-07-08 Raytheon Mfg Co Cathode heater assemblies
DE1138483B (en) * 1957-11-29 1962-10-25 Eitel Mccullough Inc High performance electron tube for high frequencies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293909B (en) * 1965-11-16 1969-04-30 Philips Patentverwaltung Incandescent cathode for an electrical discharge tube with a heat trap

Also Published As

Publication number Publication date
NL6403305A (en) 1964-09-28
DE1257981B (en) 1968-01-04
US3225246A (en) 1965-12-21
SE303806B (en) 1968-09-09
GB1027404A (en) 1966-04-27

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