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FR658049A - Perfectionnements aux valves thermoioniques - Google Patents

Perfectionnements aux valves thermoioniques

Info

Publication number
FR658049A
FR658049A FR658049DA FR658049A FR 658049 A FR658049 A FR 658049A FR 658049D A FR658049D A FR 658049DA FR 658049 A FR658049 A FR 658049A
Authority
FR
France
Prior art keywords
thermionic valves
thermionic
valves
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 FR658049A publication Critical patent/FR658049A/fr
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
FR658049D 1927-07-27 1928-07-25 Perfectionnements aux valves thermoioniques Expired FR658049A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB658049X 1927-07-27

Publications (1)

Publication Number Publication Date
FR658049A true FR658049A (fr) 1929-05-30

Family

ID=10490678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR658049D Expired FR658049A (fr) 1927-07-27 1928-07-25 Perfectionnements aux valves thermoioniques

Country Status (1)

Country Link
FR (1) FR658049A (fr)

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