MULTILAMP PHOTOFLASH UNIT WITH MORE RELIABLE CIRCUIT ARRANGEMENT

摘要

D-20,041 MULTILAMP PHOTOFLASH UNIT WITH MORE RELIABLE CIRCUIT ARRANGEMENT In a compact multilamp photoflash arrangement for providing more lamps in a given volume, a reliable sequencing circuit of normally open and normally closed switches is provided by employing a series-parallel combination of the normally open switches which minimizes resistance buildup and circuit discontinuity problems.