FR833800A - Perfectionnements aux tubes à décharge - Google Patents

Perfectionnements aux tubes à décharge

Info

Publication number
FR833800A
FR833800A FR833800DA FR833800A FR 833800 A FR833800 A FR 833800A FR 833800D A FR833800D A FR 833800DA FR 833800 A FR833800 A FR 833800A
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
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR833800A publication Critical patent/FR833800A/fr
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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • 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
    • H01J61/045—Thermic screens or reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
FR833800D 1937-02-17 1938-02-16 Perfectionnements aux tubes à décharge Expired FR833800A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4780/37A GB485787A (en) 1937-02-17 1937-02-17 Improvements in and relating to electric discharge lamps
GB15118/37A GB496716A (en) 1937-02-17 1937-05-31 Improvements in and relating to the coating with metal of glass tubes or bulbs for use in electric lamps

Publications (1)

Publication Number Publication Date
FR833800A true FR833800A (fr) 1938-10-31

Family

ID=10053346

Family Applications (2)

Application Number Title Priority Date Filing Date
FR833800D Expired FR833800A (fr) 1937-02-17 1938-02-16 Perfectionnements aux tubes à décharge
FR49530D Expired FR49530E (fr) 1937-02-17 1938-05-31 Perfectionnements aux tubes à décharge

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49530D Expired FR49530E (fr) 1937-02-17 1938-05-31 Perfectionnements aux tubes à décharge

Country Status (2)

Country Link
FR (2) FR833800A (fr)
GB (2) GB485787A (fr)

Also Published As

Publication number Publication date
GB485787A (en) 1938-05-25
GB496716A (en) 1938-11-30
FR49530E (fr) 1939-05-01

Similar Documents

Publication Publication Date Title
FR840676A (fr) Perfectionnements aux tubes à décharge
FR816769A (fr) Perfectionnements aux tubes à décharge
FR51400E (fr) Perfectionnements aux tubes à décharge
FR846160A (fr) Perfectionnements aux tubes à décharge
FR835633A (fr) Perfectionnements aux tubes à décharges électriques
FR843791A (fr) Perfectionnements aux lampes à décharge
FR838168A (fr) Perfectionnements aux lampes à décharge
FR834767A (fr) Tube à décharges
FR828067A (fr) Perfectionnements aux tubes à décharge
FR832654A (fr) Perfectionnements aux tubes à décharge
FR845552A (fr) Perfectionnements aux lampes à décharge
FR824238A (fr) Perfectionnements aux tubes à décharge
FR820595A (fr) Perfectionnements aux tubes à décharge
FR838991A (fr) Perfectionnements aux tubes à décharge
FR843532A (fr) Tube à décharge
FR841828A (fr) Perfectionnements aux tubes à décharges électriques
FR833800A (fr) Perfectionnements aux tubes à décharge
FR839624A (fr) Perfectionnements aux tubes à décharge
FR843512A (fr) Perfectionnements aux tubes à décharge
FR844089A (fr) Perfectionnements aux lampes à décharge
FR864289A (fr) Perfectionnements aux tubes à décharge
FR50983E (fr) Perfectionnements aux tubes à décharge
FR820934A (fr) Perfectionnements aux tubes à décharge
FR827107A (fr) Perfectionnements aux tubes à décharge
FR813712A (fr) Perfectionnements aux tubes à décharge