Leadless electric flash lamp

Details Leadless electric flash lamp Leadless electric flash lamp

1978-01-30

1980-05-27

Scott, Samuel

Combustion

Illuminating flash device, e.g., photographic bulb, etc.

Fuel charge within sealed transparent casing, e.g., bulb

431358, F21K 502

Patent

active

042048346

ABSTRACT:
A flash lamp which is electrically activated using capacitive coupling between a pair of conductors located externally of the lamp's glass envelope and a respective pair of conductors located within the envelope. A quantity of primer material, also located within the envelope, serves to ignite the flash lamp's combustible material (e.g. shredded zirconium). The primer material is electrically joined to the internal conductors through either a pair of spring contacts or the shredded combustible material.

REFERENCES:
patent: 3897196 (1975-07-01), Saunders et al.
patent: 3941555 (1976-03-01), Anderson et al.
patent: 3959860 (1976-06-01), Schindler
patent: 4143294 (1979-03-01), Miller et al.

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