Humidity protected radiation-responsive switch
AssigneeGTE Products Corporation
InventorMichael R. Kling
Life of this patent
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Abstract
A multilamp photoflash unit responsive to either a high pulse potential source or a low voltage source includes normally open (N/O) switches having a composition which includes an admixture of silver carbonate and/or silver oxide, titanium dioxide and a blended binder of polystyrene and thermoplastic.
Claims13
A humidity protected radiation-responsive switch for a photoflash unit comprising an admixture of silver carbonate and/or silver oxide, titanium dioxide and a binder of blended polystyrene and a butadiene styrene copolymer.
A photoflash unit comprising a plurality of flashlamps, an electrical circuit connected to said flashlamps and to an energizing source, and radiation-responsive humidity protected switches located external and adjacent said flashlamps and responsive to radiation therefrom and characterized by the improvement wherein said switches each include an admixture of silver carbonate and/or silver oxide, titanium dioxide and a binder of a polystyrene and butadiene styrene copolymer blend.
the photoflash unit of claim 11 wherein said energizing source is a high voltage source of the order of about 2000 volts, and said titanium dioxide is in the range of about 25 to 65% by dried weight.
Dependencies are inferred from the claim text.