FR520584A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR520584A
FR520584A FR520584A FR520584DA FR520584A FR 520584 A FR520584 A FR 520584A FR 520584 A FR520584 A FR 520584A FR 520584D A FR520584D A FR 520584DA FR 520584 A FR520584 A FR 520584A
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
FR520584A
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 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
Application granted granted Critical
Publication of FR520584A publication Critical patent/FR520584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
FR520584A 1913-12-29 1920-07-15 Improvements to electronic discharge devices Expired FR520584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US520584XA 1913-12-29 1913-12-29

Publications (1)

Publication Number Publication Date
FR520584A true FR520584A (en) 1921-06-28

Family

ID=21975167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520584A Expired FR520584A (en) 1913-12-29 1920-07-15 Improvements to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR520584A (en)

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