The shooting game includes programmable flip-up targets spaced along a game course, and sensors associated with the targets that detect the presence of a player near the associated target. A. programmable main controller transmits skill level control instructions to each of the target controllers. The...http://www.google.com.tw/patents/US5320358?utm_source=gb-gplus-share專利 US5320358 - Shooting game having programmable targets and course for use therewith
