Flash control apparatus

Details Flash control apparatus Flash control apparatus

1994-12-23

1996-10-29

Gellner, Michael L.

Photography

With object illumination for exposure

Having exposure synchronizer

396180, G03B 1502, G03B 1503

Patent

active

055701485

ABSTRACT:
A flash control apparatus for causing a plurality of electronic flash devices to emit light in synchronism with the shutter opening operation of a camera comprises a plurality of synchro terminals connected to the plurality of electronic flash devices, respectively, a trigger device connected correspondingly to the plurality of synchro terminals for transmitting a light emission signal to the plurality of electronic flash devices at a certain timing, a timing selecting device for selecting the aforementioned timing from among a plurality of predetermined timings during the shutter opening operation, an electronic flash device selecting device for selecting an electronic flash device which should be caused to emit light from among the plurality of electronic flash devices, and a control device for controlling the trigger device on the basis of the result of the selection by the timing selecting device and the electronic flash device selecting device.

REFERENCES:
patent: 4552443 (1985-11-01), Broida
patent: 4608522 (1986-08-01), Yuasa et al.
patent: 4717861 (1988-01-01), Yuasa et al.
patent: 4771301 (1988-09-01), Yamada
patent: 4797702 (1989-01-01), Taniguchi et al.
patent: 4897684 (1990-01-01), Serikawa
patent: 5016037 (1991-05-01), Taniguchi et al.
patent: 5164759 (1992-11-01), Yasukawa

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