Flash photographic apparatus

Details Flash photographic apparatus Flash photographic apparatus

1987-08-21

1989-11-14

Griffin, Robert L.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315151, 354415, H05B 4114

Patent

active

048810134

ABSTRACT:
In a flash photographing apparatus, a flash device is arranged to slow the rise of flashing characteristic thereof at the initial stage of flashing. To attain this purpose, the electric charge of a first capacitor is impressed via an inductance onto a flash tube at the initial stage of flashing. Following this, the electric charge of a second capacitor is directly impressed on the flash tube without passing through the inductance.

REFERENCES:
patent: 3953763 (1976-04-01), Herrick
patent: 4132926 (1979-01-01), Ohta et al.

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