1
Howard F Hall: System for training and evaluation of security personnel in use of firearms. The United States of America represented by the United States Department of Energy, L E Carnahan, Roger S Gaither, William R Moser, August 14, 1990: US04948371 (94 worldwide citation)

An interactive video display system comprising a laser disc player with a remote large-screen projector to view life-size video scenarios and a control computer. A video disc has at least one basic scenario and one or more branches of the basic scenario with one or more subbranches from any one or m ...


2
Peter J Dart, Howard F Hall: Method and apparatus enabling archery practice. Dart International, Francis A Sirr, Earl C Hancock, July 12, 1994: US05328190 (34 worldwide citation)

An archery practice device simulates dynamic targets, such as in an animal hunt, on a visible screen. A video disk contains a plurality of hunting scenes which are projected via a video projector on a vertical screen whose size simulates an area normally viewed by an archer during a hunt. The screen ...


3
Peter J Dart, Howard F Hall, David A Johnson: Method and apparatus enabling archery practice. Dart International, F A Sirr, E C Holland & Hart Hancock, October 22, 1996: US05566951 (15 worldwide citation)

An archery practice device projects a moving hunt scene on a screen. In one embodiment of the invention, a continuous plane of IR light is located prior to the screen, an arrow carrying a reflector is detected as it penetrates this light plane, and IR illumination is reflected back toward the archer ...