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Application filed by Grand Union CompanyfiledCriticalGrand Union Company
Publication of BE583565ApublicationCriticalpatent/BE583565A/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
F21K5/023—Ignition devices in photo flash bulbs
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
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Stroboscope Apparatuses
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BE583565A1958-10-171959-10-13Dispositif de commande pour appareil distributeur.
BE583565A
(fr)