FR1477874A - Improvements to metal vapor lamps - Google Patents

Improvements to metal vapor lamps

Info

Publication number
FR1477874A
FR1477874A FR58447A FR58447A FR1477874A FR 1477874 A FR1477874 A FR 1477874A FR 58447 A FR58447 A FR 58447A FR 58447 A FR58447 A FR 58447A FR 1477874 A FR1477874 A FR 1477874A
Authority
FR
France
Prior art keywords
metal vapor
vapor lamps
lamps
metal
vapor
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
FR58447A
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
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to FR58447A priority Critical patent/FR1477874A/en
Application granted granted Critical
Publication of FR1477874A publication Critical patent/FR1477874A/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
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
FR58447A 1966-04-21 1966-04-21 Improvements to metal vapor lamps Expired FR1477874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR58447A FR1477874A (en) 1966-04-21 1966-04-21 Improvements to metal vapor lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR58447A FR1477874A (en) 1966-04-21 1966-04-21 Improvements to metal vapor lamps

Publications (1)

Publication Number Publication Date
FR1477874A true FR1477874A (en) 1967-04-21

Family

ID=8606732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58447A Expired FR1477874A (en) 1966-04-21 1966-04-21 Improvements to metal vapor lamps

Country Status (1)

Country Link
FR (1) FR1477874A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374678A2 (en) * 1988-12-19 1990-06-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High-pressure discharge lamp requiring low electric power, and method for operating it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374678A2 (en) * 1988-12-19 1990-06-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High-pressure discharge lamp requiring low electric power, and method for operating it
EP0374678A3 (en) * 1988-12-19 1991-05-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High-pressure discharge lamp requiring low electric power, and method for operating it

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