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Frequency responsive light target

  • US 3,918,714 A
  • Filed: 05/16/1974
  • Issued: 11/11/1975
  • Est. Priority Date: 04/13/1972
  • Status: Expired due to Term
First Claim
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1. A simulated target-shooting apparatus having a light source adapted to be projected upon a screen and a means within a simulated gun adapted to receive a light signal projected upon the screen from the light source, comprising a. a target screen, b. a target image adapted to be projected by the light source upon said target screen and emitting a modulated signal having a preset frequency upon said target screen, c. a photo-electric cell contained in a simulated gun and adapted to be directed upon said screen to receive said modulated signal and to be activated thereby, d. a detector means in circuit with said photo-electric cell and receiving therefrom a signal pulse identical to said preset frequency modulated signal projected from said signal source onto said screen and received by said photo-electric cell, e. and a hit target indicator in circuit with said detector means and adapted to be energized by a signal pulse from said detector means when the latter receives a signal pulse from said photo-electric cell so as to interrupt said light signal to indicate a target hit upon said target screen, f. said hit target indicator including a movable plate having target-image-forming orifices therein, with said plate intercepting a modulated light signal emitted from the target image for projecting upon the screen different target images.

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