Trigger device for an electronic flash unit

Details Trigger device for an electronic flash unit Trigger device for an electronic flash unit

1976-01-12

1977-05-24

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

310 82, 315209PZ, 315263, 354135, 361264, G03B 1503, H05B 4132

Patent

active

040258173

ABSTRACT:
An electronic flash unit for use with a flash-trigger mechanism having a piezoelectric generator. An RF coil or inductor interconnects the piezo crystal and flash-trigger electrode and operates to modify the energy distribution of the piezo output pulse so as to more reliably fire the flashtube for a given amount of charge on the flash unit firing capacitor.

REFERENCES:
patent: 3486075 (1969-12-01), Steinke et al.
patent: 3782258 (1974-01-01), Boekkool et al.

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