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.)
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Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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Filing date
Publication date
Application filed by Compagnie des LampesfiledCriticalCompagnie des Lampes
Application grantedgrantedCritical
Publication of FR938644ApublicationCriticalpatent/FR938644A/fr
F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR938644D1941-12-311946-10-09Perfectionnements aux lampes <<éclair>> et à leur fabrication
ExpiredFR938644A
(fr)