Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent
1986-09-26
1987-10-06
Gellner, Michael L.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Plural load device systems
315241P, H05B 4100, G03B 1505
Patent
active
046979069
ABSTRACT:
An electric flash device for photography is controlled of its light radiation of a flash tube by a transistor, which is connected in series with the flash tube and is given its base current through a parallelly connected capacitor and resistor, and when the transistor turns OFF, an electric charge stored in the capacitor is applied across the base and the emitter of the transistor as a reverse bias.
REFERENCES:
patent: 4457611 (1984-07-01), Ishida et al.
Kobayashi Takashi
Maruyama Yuji
Gellner Michael L.
West Electric Company Ltd.
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