Illumination – Photographic lighting – Convertible
Patent
1978-02-24
1980-04-15
Lechert, Jr., Stephen J.
Illumination
Photographic lighting
Convertible
362 11, 362 12, 362295, G03B 1502
Patent
active
041986725
ABSTRACT:
A dual mode flash unit for a camera for selectively actuating either an etronic flash tube or a high-voltage flash bulb. The flash unit includes a high-voltage supply for selectively applying a high-voltage pulse to an electronic flash tube during normal operation and for applying a high-voltage pulse to a high-voltage flash bulb when same is inserted into the electronic flash unit.
REFERENCES:
patent: 3852790 (1974-12-01), Robinson
patent: 3982117 (1976-09-01), Betlejewski
Balda-Werke Photographische Gerate & Kunststoff GmbH & Co. K.G.
Lechert Jr. Stephen J.
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