FR939256A - Improvements to thermionic tubes - Google Patents

Improvements to thermionic tubes

Info

Publication number
FR939256A
FR939256A FR939256DA FR939256A FR 939256 A FR939256 A FR 939256A FR 939256D A FR939256D A FR 939256DA FR 939256 A FR939256 A FR 939256A
Authority
FR
France
Prior art keywords
thermionic tubes
thermionic
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)
Inventor
John Foster
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939256A publication Critical patent/FR939256A/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
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/065—Devices for short wave tubes
FR939256D 1941-12-19 1946-08-28 Improvements to thermionic tubes Expired FR939256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939256X 1941-12-19

Publications (1)

Publication Number Publication Date
FR939256A true FR939256A (en) 1948-11-09

Family

ID=10748208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939256D Expired FR939256A (en) 1941-12-19 1946-08-28 Improvements to thermionic tubes

Country Status (1)

Country Link
FR (1) FR939256A (en)

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