Electronic flash device

Details Electronic flash device Electronic flash device

1983-03-01

1984-11-27

Laroche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

250226, 315151, 315152, 315155, 315232, 315324, 354132, 362 11, 362 17, H05B 4132

Patent

active

044853360

ABSTRACT:
In an electronic flash device for use in a still camera, a calculation circuit means calculates a ratio of the amounts of light to be emitted by a plurality of flash light tubes on the basis of color temperature information and control circuit means controls the emission of light of the respective flash light tubes in such a manner that the ratio of light amount emitted from the respective flash light tubes corresponds to the ratio calculated by the calculation circuit means.

REFERENCES:
patent: 3045124 (1962-07-01), McKinlay, Jr.
patent: 3580149 (1971-05-01), Fujisha
patent: 4041308 (1977-08-01), Jujita
patent: 4335943 (1982-06-01), Numata

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