[go: up one dir, main page]

FR1472757A - Improvements to gas discharge lamps - Google Patents

Improvements to gas discharge lamps

Info

Publication number
FR1472757A
FR1472757A FR55368A FR55368A FR1472757A FR 1472757 A FR1472757 A FR 1472757A FR 55368 A FR55368 A FR 55368A FR 55368 A FR55368 A FR 55368A FR 1472757 A FR1472757 A FR 1472757A
Authority
FR
France
Prior art keywords
gas discharge
discharge lamps
lamps
gas
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
FR55368A
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 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
Priority claimed from US444217A external-priority patent/US3390298A/en
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to FR55368A priority Critical patent/FR1472757A/en
Application granted granted Critical
Publication of FR1472757A publication Critical patent/FR1472757A/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
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
FR55368A 1965-03-31 1966-03-29 Improvements to gas discharge lamps Expired FR1472757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR55368A FR1472757A (en) 1965-03-31 1966-03-29 Improvements to gas discharge lamps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US444217A US3390298A (en) 1965-03-31 1965-03-31 Electric discharge lamp envelope having molten inner surface at operating temperature
FR55368A FR1472757A (en) 1965-03-31 1966-03-29 Improvements to gas discharge lamps

Publications (1)

Publication Number Publication Date
FR1472757A true FR1472757A (en) 1967-03-10

Family

ID=26169521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR55368A Expired FR1472757A (en) 1965-03-31 1966-03-29 Improvements to gas discharge lamps

Country Status (1)

Country Link
FR (1) FR1472757A (en)

Similar Documents

Publication Publication Date Title
FR1503427A (en) Arc lamp refinements
FR1433929A (en) Discharge lamp
FR1501063A (en) Improvements to discharge lamp ballasts
FR1450136A (en) Improvements to discharge lamp luminaires
FR1404994A (en) electrodes for gas discharge lamps
CH443485A (en) Gas discharge lamp
CH443488A (en) Gas discharge lamp
CH427080A (en) High pressure gas discharge lamp
FR1472757A (en) Improvements to gas discharge lamps
FR1503426A (en) Improvements to discharge lamps
FR1404995A (en) Improvements to gas discharge lamps
FR1406829A (en) Improvements to discharge lamps
AT261746B (en) Glow discharge lamp
NL140360B (en) HIGH PRESSURE GAS DISCHARGE LAMP.
FR1513330A (en) Improvements to gas burners
FR1476874A (en) Improvements to gas burners
AT247459B (en) High pressure gas discharge lamp
FR1477874A (en) Improvements to metal vapor lamps
FR1434401A (en) Improvements to portable lamps
FR1495796A (en) Compressor improvements
FR1480085A (en) Glow discharge lamp
FR1505077A (en) Portable gas lantern
FR1483680A (en) Removable discharge lamp
FR1447894A (en) Arc lamp refinements
FR1424110A (en) Reflector Arc Lamp Improvements