FR1066786A - Indirectly heated electron tube - Google Patents

Indirectly heated electron tube

Info

Publication number
FR1066786A
FR1066786A FR1066786DA FR1066786A FR 1066786 A FR1066786 A FR 1066786A FR 1066786D A FR1066786D A FR 1066786DA FR 1066786 A FR1066786 A FR 1066786A
Authority
FR
France
Prior art keywords
electron tube
indirectly heated
heated electron
indirectly
tube
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1066786A publication Critical patent/FR1066786A/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
FR1066786D 1951-11-26 1952-11-24 Indirectly heated electron tube Expired FR1066786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1066786X 1951-11-26

Publications (1)

Publication Number Publication Date
FR1066786A true FR1066786A (en) 1954-06-09

Family

ID=19868273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1066786D Expired FR1066786A (en) 1951-11-26 1952-11-24 Indirectly heated electron tube

Country Status (1)

Country Link
FR (1) FR1066786A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093486B (en) * 1957-10-23 1960-11-24 Philips Nv Indirectly heated cathode for electrical discharge tubes, where the heating element is surrounded and centered by a wire-shaped support element
DE1101628B (en) * 1956-08-22 1961-03-09 Egyesuelt Izzolampa Cathode system for diodes used in televisions
DE1169039B (en) * 1959-09-03 1964-04-30 Ass Elect Ind Indirectly heated cathode with an insulated heating wire wound around a spring tensioned wire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101628B (en) * 1956-08-22 1961-03-09 Egyesuelt Izzolampa Cathode system for diodes used in televisions
DE1093486B (en) * 1957-10-23 1960-11-24 Philips Nv Indirectly heated cathode for electrical discharge tubes, where the heating element is surrounded and centered by a wire-shaped support element
DE1169039B (en) * 1959-09-03 1964-04-30 Ass Elect Ind Indirectly heated cathode with an insulated heating wire wound around a spring tensioned wire

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