FR1322083A - Low pressure mercury discharge lamp for direct current operation - Google Patents

Low pressure mercury discharge lamp for direct current operation

Info

Publication number
FR1322083A
FR1322083A FR898049A FR898049A FR1322083A FR 1322083 A FR1322083 A FR 1322083A FR 898049 A FR898049 A FR 898049A FR 898049 A FR898049 A FR 898049A FR 1322083 A FR1322083 A FR 1322083A
Authority
FR
France
Prior art keywords
direct current
low pressure
discharge lamp
pressure mercury
current operation
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
FR898049A
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 FR898049A priority Critical patent/FR1322083A/en
Application granted granted Critical
Publication of FR1322083A publication Critical patent/FR1322083A/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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR898049A 1962-05-18 1962-05-18 Low pressure mercury discharge lamp for direct current operation Expired FR1322083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR898049A FR1322083A (en) 1962-05-18 1962-05-18 Low pressure mercury discharge lamp for direct current operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898049A FR1322083A (en) 1962-05-18 1962-05-18 Low pressure mercury discharge lamp for direct current operation

Publications (1)

Publication Number Publication Date
FR1322083A true FR1322083A (en) 1963-03-22

Family

ID=8779272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898049A Expired FR1322083A (en) 1962-05-18 1962-05-18 Low pressure mercury discharge lamp for direct current operation

Country Status (1)

Country Link
FR (1) FR1322083A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000683A1 (en) * 1985-07-19 1987-01-29 Gte Sylvania Licht Gmbh Fluorescent lamp for unipolar operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000683A1 (en) * 1985-07-19 1987-01-29 Gte Sylvania Licht Gmbh Fluorescent lamp for unipolar operation
US4814663A (en) * 1985-07-19 1989-03-21 Gte Products Corporation Fluorescent lamp for unipolar mode of operation

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