Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1975-07-03
1976-06-22
Grieb, William H.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
2731011, F41G 326
Patent
active
039641783
ABSTRACT:
A universal weapon fire simulation system in which frames of motion picture ilm are employed to produce simultaneously from one set of frames a background area including a target and, from another set of frames, an infrared lead aim spot. The sets of film frames are coordinated in projection in a desired degree of non-registration between the lead spot and the target to provide a lead in the infrared spot representative of the correct lead and elevation of a properly aimed weapon. The invention also includes a receiver circuit comprising a quadrant arrangement of infrared detectors for sensing the infrared lead aim spot when the weapon is correctly aimed, and amplifier, comparator, logic and hit indicator means for indicating a miss, hit, or a specific area of near miss when the weapon is triggered to activate the sensor circuit.
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Dillard John H.
Entwistle Robert J.
Marshall Albert H.
Oharek Frank J.
Grieb William H.
Pease J. W.
Sciascia R. S.
The United States of America as represented by the Secretary of
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