H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/16
H05B 41/34 (2006.01) G03B 15/04 (2006.01)
Patent
CA 1111899
ABSTRACT OF THE DISCLOSURE A multiple lamp photoflash array has flash- sequencing circuitry for causing the lamps to flash one at a time in response to firing pulses applied to the array. All lamps except for the last-to-flash lamp provide an open circuit after lamp flashing, and the last-to-flash lamp provides a short circuit or low impedance after flashing to function as a last- flash indicator switch.
285135
Company General Electric
Eckersley Raymond A.
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