FR1189574A - Improvements to electronic tubes - Google Patents

Improvements to electronic tubes

Info

Publication number
FR1189574A
FR1189574A FR1189574DA FR1189574A FR 1189574 A FR1189574 A FR 1189574A FR 1189574D A FR1189574D A FR 1189574DA FR 1189574 A FR1189574 A FR 1189574A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of FR1189574A publication Critical patent/FR1189574A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR1189574D 1957-01-08 1958-01-07 Improvements to electronic tubes Expired FR1189574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1189574X 1957-01-08

Publications (1)

Publication Number Publication Date
FR1189574A true FR1189574A (en) 1959-10-05

Family

ID=10881013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1189574D Expired FR1189574A (en) 1957-01-08 1958-01-07 Improvements to electronic tubes

Country Status (1)

Country Link
FR (1) FR1189574A (en)

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