Multiflash operating circuit directly coupled to AC source

Details Multiflash operating circuit directly coupled to AC source Multiflash operating circuit directly coupled to AC source

1977-12-29

1979-02-27

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural series connected load devices

Condenser in the supply circuit

315189, 315200R, 315232, 315241R, 315250, 315324, H05B 4134, H05B 4116

Patent

active

041421302

ABSTRACT:
A circuit for efficiently operating two arc discharge flashlamps. The lamps are series connected and directly coupled through series circuitry across an alternating current (AC) source. A storage capacitor is connected between the junction of the lamps and one terminal of the source. Trigger pulses are alternately applied to the lamps so that the storage capacitor is charged when one lamp flashes and discharged when the other lamp flashes. RC timing circuits energized by the AC source control the time of pulsed ignition of respective lamps with respect to the phase of the AC waveform of the source.

REFERENCES:
patent: 3031599 (1962-04-01), Paschke et al.
patent: 4041351 (1977-08-01), Whitehouse et al.

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