FR637075A - Perfectionnements aux valves à quatre électrodes - Google Patents

Perfectionnements aux valves à quatre électrodes

Info

Publication number
FR637075A
FR637075A FR637075DA FR637075A FR 637075 A FR637075 A FR 637075A FR 637075D A FR637075D A FR 637075DA FR 637075 A FR637075 A FR 637075A
Authority
FR
France
Prior art keywords
electrode valves
valves
electrode
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
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR637075A publication Critical patent/FR637075A/fr
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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0015—Non-sealed electrodes
FR637075D 1926-07-22 1927-06-17 Perfectionnements aux valves à quatre électrodes Expired FR637075A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB637075X 1926-07-22

Publications (1)

Publication Number Publication Date
FR637075A true FR637075A (fr) 1928-04-23

Family

ID=10489213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637075D Expired FR637075A (fr) 1926-07-22 1927-06-17 Perfectionnements aux valves à quatre électrodes

Country Status (1)

Country Link
FR (1) FR637075A (fr)

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