FR553526A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR553526A
FR553526A FR553526DA FR553526A FR 553526 A FR553526 A FR 553526A FR 553526D A FR553526D A FR 553526DA FR 553526 A FR553526 A FR 553526A
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 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 FR553526A publication Critical patent/FR553526A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/68—Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge
FR553526D 1921-07-01 1922-06-30 Improvements to electronic discharge devices Expired FR553526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US553526XA 1921-07-01 1921-07-01

Publications (1)

Publication Number Publication Date
FR553526A true FR553526A (en) 1923-05-25

Family

ID=21997269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR553526D Expired FR553526A (en) 1921-07-01 1922-06-30 Improvements to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR553526A (en)

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