FR533148A - Lampe à arc au tungstène - Google Patents

Lampe à arc au tungstène

Info

Publication number
FR533148A
FR533148A FR533148DA FR533148A FR 533148 A FR533148 A FR 533148A FR 533148D A FR533148D A FR 533148DA FR 533148 A FR533148 A FR 533148A
Authority
FR
France
Prior art keywords
arc lamp
tungsten arc
tungsten
lamp
arc
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR533148A publication Critical patent/FR533148A/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
    • H01J61/92—Lamps with more than one main discharge path
FR533148D 1920-04-28 1921-03-31 Lampe à arc au tungstène Expired FR533148A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP39703D DE355249C (de) 1920-04-28 1920-04-28 Wolframbogenlampe
US46131021A 1921-04-14 1921-04-14
US738997A US1593381A (en) 1920-04-28 1924-09-22 Tungsten arc lamp

Publications (1)

Publication Number Publication Date
FR533148A true FR533148A (fr) 1922-02-22

Family

ID=27211987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR533148D Expired FR533148A (fr) 1920-04-28 1921-03-31 Lampe à arc au tungstène

Country Status (5)

Country Link
US (1) US1593381A (fr)
DE (1) DE355249C (fr)
FR (1) FR533148A (fr)
GB (1) GB162651A (fr)
NL (2) NL9624C (fr)

Also Published As

Publication number Publication date
NL19175B (fr)
US1593381A (en) 1926-07-20
GB162651A (en) 1921-08-04
NL9624C (fr) 1923-09-15
DE355249C (de) 1922-06-23

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