FR1226931A - Indirectly heated cathode - Google Patents

Indirectly heated cathode

Info

Publication number
FR1226931A
FR1226931A FR796994A FR796994A FR1226931A FR 1226931 A FR1226931 A FR 1226931A FR 796994 A FR796994 A FR 796994A FR 796994 A FR796994 A FR 796994A FR 1226931 A FR1226931 A FR 1226931A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
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
FR796994A
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan 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 Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Application granted granted Critical
Publication of FR1226931A publication Critical patent/FR1226931A/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
FR796994A 1958-06-10 1959-06-09 Indirectly heated cathode Expired FR1226931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18535/58A GB848589A (en) 1958-06-10 1958-06-10 Improvements relating to cathode heaters

Publications (1)

Publication Number Publication Date
FR1226931A true FR1226931A (en) 1960-08-18

Family

ID=10114082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796994A Expired FR1226931A (en) 1958-06-10 1959-06-09 Indirectly heated cathode

Country Status (5)

Country Link
US (1) US2935638A (en)
DE (1) DE1124158B (en)
FR (1) FR1226931A (en)
GB (1) GB848589A (en)
NL (1) NL105737C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404362B1 (en) * 1974-01-30 1975-07-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Radiator for an indirectly heated cathode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868319C (en) * 1944-01-26 1953-02-23 Wiener Radiowerke Ag Heating element for indirectly heated cathodes of discharge tubes

Also Published As

Publication number Publication date
NL105737C (en)
DE1124158B (en) 1962-02-22
GB848589A (en) 1960-09-21
US2935638A (en) 1960-05-03

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