Optical firing adaptor

Details Optical firing adaptor Optical firing adaptor

1979-03-13

1980-11-18

Hayes, Monroe H.

Illumination

With implement or hand held holder therefor

Firearm

273318, F41G 134

Patent

active

042349117

ABSTRACT:
An optical apparatus adapted for insertion into the open end of a hand-gun barrel. A piezoelectric crystal produces an output signal in response to the hammer impact to cause an LED to be intermittently operated by an oscillator powered by batteries and produce pulses of light which are directed by a lens onto a target. The oscillator is also coupled to a counter which is reset by the crystal output and which disables a gate between oscillator and LED upon a first count and enables a gate connecting the counter reset to the crystal upon a second count.

REFERENCES:
patent: 3240924 (1966-03-01), Darby
patent: 3510965 (1970-05-01), Rhea
patent: 3526972 (1970-09-01), Sumpf
patent: 4048489 (1977-09-01), Giannetti

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