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FR731492A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR731492A
FR731492A FR731492DA FR731492A FR 731492 A FR731492 A FR 731492A FR 731492D A FR731492D A FR 731492DA FR 731492 A FR731492 A FR 731492A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR731492A publication Critical patent/FR731492A/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
FR731492D 1931-02-17 1932-02-17 Improvements to electronic discharge devices Expired FR731492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB731492X 1931-02-17

Publications (1)

Publication Number Publication Date
FR731492A true FR731492A (en) 1932-09-03

Family

ID=10495539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731492D Expired FR731492A (en) 1931-02-17 1932-02-17 Improvements to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR731492A (en)

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