Subminiature array with normally closed and normally open switch

Combustion – Illuminating flash device – e.g. – photographic bulb – etc. – Fuel charge within sealed transparent casing – e.g. – bulb

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Details

362 4, 362 6, 362 15, F21K 500

Patent

active

044351569

ABSTRACT:
A miniaturized multilamp photoflash array having a plurality of flashlamps affixed to a printed circuit on the inner surface of a circuit board with a continuous strip of switching material forming a plurality of normally closed (N/C) switches coupling the flashlamps to a common conductor and a plurality of normally open (N/O) switches coupling all but one of a plurality of flashlamps to an energizing conductor.

REFERENCES:
patent: 4290747 (1981-09-01), Collins
patent: 4330821 (1982-05-01), Brower et al.

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