Photographic system including remote controllable flash unit

Details Photographic system including remote controllable flash unit Photographic system including remote controllable flash unit

1981-09-21

1983-01-18

Perkey, William B.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

354 35, 354131, 354140, 250214SF, 315151, 315152, 315241P, G03B 1505, H05B 4134

Patent

active

043689663

ABSTRACT:
A photographic system including a flash unit wirelessly controlled. The system comprises a controller interlocked with the photographic camera and a flash unit operable in response to the controller to illuminate object. Start and stop of flashing of the flash unit are controlled by control means in a particularly determined manner so as to prevent maloperation of the unit.

REFERENCES:
patent: 3944877 (1976-03-01), Sato
patent: 4155029 (1979-05-01), Yamaoka

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