Electronic flash lighting device for camera

Details Electronic flash lighting device for camera Electronic flash lighting device for camera

1989-09-21

1991-04-09

Hix, L. T.

354416, G03B 700

Patent

active

050068792

ABSTRACT:
An electronic flash lighting device for a camera comprises a first light measuring device for measuring the brightness of a field to be photographed, prior to flash emission, and a second light measuring device for measuring the brightness of a plurality of divided areas of the field during flash emission and producing a corresponding plurality of signals. These signals are weighted in accordance with the measurement performed by the first light measuring device, and the flash emission is stopped in accordance with the weighted signals.

REFERENCES:
patent: 4705382 (1987-11-01), Mukai et al.

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