Flash device

Details Flash device Flash device

1997-02-25

1999-09-21

Metjahic, Safet

Photography

With object illumination for exposure

Having artificial illumination termination control

315241P, G03B 1503, H05B 3700

Patent

active

059565357

ABSTRACT:
In a flash device arranged to perform flat emission by detecting the intensity of light emission of a discharge tube during process of the light emission and by controlling the intensity of light emission to become almost constant during process of the light emission, the flat emission is adequately performed by varying a detection level for the intensity of light emission.

REFERENCES:
patent: 4592639 (1986-06-01), Nakamura
patent: 5260737 (1993-11-01), Takahashi

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