1
Eric G Muehle, Erwin C Treat Jr: Electronically controlled weapons range with return fire. Advanced Interactive Systems, Seed and Berry, November 9, 1999: US05980254 (81 worldwide citation)

A weapons training range provides a simulated weapons use scenario including return fire. A microprocessor selects branches from a multi-branch program and causes an image projector to project subscenarios on a display screen visible to a participant. In response to the subscenarios, the participant ...


2
Erwin C Treat Jr, Eric G Muehle: Simulator and practice method. David L Tingey, July 22, 1997: US05649706 (70 worldwide citation)

A hunting simulator having a projection of a moving target in life-size as in a natural environment is provided for practice shooting of a missile such as an arrow, dart, bullet, etc. The missile is detected in-flight in a detection plane set apart from a projection screen so the missile is detected ...


3
Eric G Muehle, Erwin C Treat Jr: Simulated weapon with gas cartridge. Advanced Interactive Systems, Seed and Berry, September 7, 1999: US05947738 (43 worldwide citation)

A simulated weapon includes a pressure switch within the simulated weapon's barrel. The pressure switch responds to pressure changes within the weapon barrel to activate a light emitter. In response, the light emitter emits a beam of light that simulates weapon fire by indicating the aim of the simu ...