Combustion – Illuminating flash device – e.g. – photographic bulb – etc. – Fuel charge within sealed transparent casing – e.g. – bulb
Patent
1980-06-06
1982-04-13
Dority, Jr., Carroll B.
Combustion
Illuminating flash device, e.g., photographic bulb, etc.
Fuel charge within sealed transparent casing, e.g., bulb
362 6, 362 15, F21K 502
Patent
active
043245439
ABSTRACT:
A photoflash lamp array having a plurality of 2n flashlamps, a plurality of n selective terminal means, each associated with a respective pair of the lamps and connected to one lead-in wire of each of the lamps of the associated pair, and a common terminal associated with all of the 2n lamps but directly connected to the other lead-in wire of one lamp of each pair. A respective normally open switch is coupled between the common terminal and a lead-in wire of the other lamp of each pair, so that the n normally open switches are coupled between the common circuit lead-in wires of associated pairs of the 2n lamps. Each of the switches is responsive to the flashing of the directly connected lamp of an associated pair so as to electrically connect the other lamp of the pair to the common terminal. In one specific example, ten lamps are selectively paired to be operated sequentially by firing pulses successively applied to five selective terminals together with a common terminal.
REFERENCES:
patent: 4017728 (1977-04-01), Audesse et al.
patent: 4048487 (1977-09-01), Kewley
Coleman Edward J.
Dority Jr. Carroll B.
GTE Products Corporation
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