FR717680A - Improvements in the manufacture of electric discharge tubes and more particularly their grids - Google Patents

Improvements in the manufacture of electric discharge tubes and more particularly their grids

Info

Publication number
FR717680A
FR717680A FR717680DA FR717680A FR 717680 A FR717680 A FR 717680A FR 717680D A FR717680D A FR 717680DA FR 717680 A FR717680 A FR 717680A
Authority
FR
France
Prior art keywords
grids
manufacture
electric discharge
discharge tubes
tubes
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 FR717680A publication Critical patent/FR717680A/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
FR717680D 1930-05-29 1931-05-27 Improvements in the manufacture of electric discharge tubes and more particularly their grids Expired FR717680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US717680XA 1930-05-29 1930-05-29

Publications (1)

Publication Number Publication Date
FR717680A true FR717680A (en) 1932-01-12

Family

ID=22103456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717680D Expired FR717680A (en) 1930-05-29 1931-05-27 Improvements in the manufacture of electric discharge tubes and more particularly their grids

Country Status (1)

Country Link
FR (1) FR717680A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750696C (en) * 1933-04-13 1945-01-23 Discharge tubes with a cathode, an anode and one or more grid electrodes in between for the purpose of reinforcement, vibration generation or rectification
DE1037600B (en) * 1955-05-20 1958-08-28 Egyesuelt Izzolampa Electron tubes for amplifying voltages of very high frequency

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750696C (en) * 1933-04-13 1945-01-23 Discharge tubes with a cathode, an anode and one or more grid electrodes in between for the purpose of reinforcement, vibration generation or rectification
DE1037600B (en) * 1955-05-20 1958-08-28 Egyesuelt Izzolampa Electron tubes for amplifying voltages of very high frequency

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