FR768113A - Improvements to electric discharge lamps - Google Patents

Improvements to electric discharge lamps

Info

Publication number
FR768113A
FR768113A FR768113DA FR768113A FR 768113 A FR768113 A FR 768113A FR 768113D A FR768113D A FR 768113DA FR 768113 A FR768113 A FR 768113A
Authority
FR
France
Prior art keywords
electric discharge
discharge lamps
lamps
electric
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.)
Siemens Electric Lamps and Supplies Ltd
Original Assignee
Siemens Electric Lamps and Supplies Ltd
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 Siemens Electric Lamps and Supplies Ltd filed Critical Siemens Electric Lamps and Supplies Ltd
Application granted granted Critical
Publication of FR768113A publication Critical patent/FR768113A/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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
FR768113D 1933-12-06 1934-02-03 Improvements to electric discharge lamps Expired FR768113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3433333A GB431382A (en) 1933-12-06 1933-12-06 Improvements relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
FR768113A true FR768113A (en) 1934-07-31

Family

ID=10364335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768113D Expired FR768113A (en) 1933-12-06 1934-02-03 Improvements to electric discharge lamps

Country Status (2)

Country Link
FR (1) FR768113A (en)
GB (1) GB431382A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650322A (en) * 1945-09-24 1953-08-25 Gen Electric High-pressure metal vapor electric discharge lamp

Also Published As

Publication number Publication date
GB431382A (en) 1935-07-08

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