FR739425A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR739425A
FR739425A FR739425DA FR739425A FR 739425 A FR739425 A FR 739425A FR 739425D A FR739425D A FR 739425DA FR 739425 A FR739425 A FR 739425A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
discharge
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 FR739425A publication Critical patent/FR739425A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
FR739425D 1931-07-06 1932-07-04 Improvements to discharge tubes Expired FR739425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US739425XA 1931-07-06 1931-07-06

Publications (1)

Publication Number Publication Date
FR739425A true FR739425A (en) 1933-01-12

Family

ID=22116737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR739425D Expired FR739425A (en) 1931-07-06 1932-07-04 Improvements to discharge tubes

Country Status (1)

Country Link
FR (1) FR739425A (en)

Similar Documents

Publication Publication Date Title
FR816769A (en) Improvements to discharge tubes
FR47264E (en) Improvements to discharge tubes
FR810516A (en) Improvements to discharge tubes
FR688985A (en) Improvements to discharge tubes
FR824238A (en) Improvements to discharge tubes
FR727680A (en) Improvements to discharge tubes
FR727076A (en) Improvements to discharge tubes
FR812808A (en) Improvements to discharge tubes
FR820595A (en) Improvements to discharge tubes
FR739425A (en) Improvements to discharge tubes
FR40081E (en) Improvements to discharge tubes
FR806693A (en) Improvements to discharge tubes
FR800413A (en) Improvements to discharge tubes
FR707770A (en) Improvements to discharge tubes
FR740165A (en) Improvements made to electric discharge tubes
FR740166A (en) Improvements made to electric discharge tubes
FR721436A (en) Improvements to discharge tubes
FR39597E (en) Improvements to discharge tubes
FR39053E (en) Improvements to discharge tubes
FR42284E (en) Improvements to discharge tubes
FR751867A (en) Improvements to discharge tubes
FR748675A (en) Improvements to discharge tubes
FR42268E (en) Improvements to discharge tubes
FR41934E (en) Improvements to discharge tubes
FR41748E (en) Improvements to discharge tubes