Electronic flash

Details Electronic flash Electronic flash

1985-10-23

1987-06-30

Dixon, Harold

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315209R, 315209CD, 315241P, 315366, H05B 3700

Patent

active

046773479

ABSTRACT:
An electronic flash includes a main capacitor having a discharge loop in which a circuit arrangement including a flash discharge tube, a switching element and an emission controlling capacitor is connected. During the time the flash discharge tube is maintained excited, the emission controlling capacitor is either charged or discharged to cause an emission of flashlight from the flash discharge tube.

REFERENCES:
patent: 3496411 (1970-02-01), Thompson
patent: 3646865 (1972-03-01), Biber
patent: 3754162 (1973-08-01), Katayama et al.

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