CH571683A5CH586074ACH586074ACH571683A5CH 571683 A5CH571683 A5CH 571683A5CH 586074 ACH586074 ACH 586074ACH 586074 ACH586074 ACH 586074ACH 571683 A5CH571683 A5CH 571683A5
Authority
CH
Switzerland
Application number
CH586074A
Original Assignee
Philips Nv
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Publication date
Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH571683A5publicationCriticalpatent/CH571683A5/xx
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
F21K5/026—Ignition devices in photo flash bulbs using mechanical firing, e.g. percussion of a fulminating charge
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Crushing And Grinding
(AREA)
Fluidized-Bed Combustion And Resonant Combustion
(AREA)