Electric flash apparatus

Details Electric flash apparatus Electric flash apparatus

1982-03-01

1984-09-04

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315151, 315159, 315241S, H05B 4134

Patent

active

044699891

ABSTRACT:
The present invention provides an electric flash apparatus which comprises power supplying means, trigger signal generating means, flashlight generating means, trigger signal controlling means for controlling the trigger signal generating means and flashlight quantity control means for adjusting automatically the light quantity of the flashlight. The electric flash apparatus of the invention can operate as a mono-flashing device and as a multi-flashing device, and the electric flash apparatus of the invention further can control quantity of the flashlight of a flash tube in both of the mono-flashing operation and the multi-flashing operation, in spite of the photographing distance.

REFERENCES:
patent: 3998534 (1976-12-01), Schulze et al.
patent: 4210849 (1980-07-01), Naya et al.

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