IMPROVEMENTS RELATING TO TARGET APPARATUS
申请公布号:WO1991015729(A1)
申请号:GB1991000547
申请日期:1991.04.08
申请公布日期:1991.10.17
摘要:<p>A target for projectiles, such as darts, has a base (1) and a multi-section board (3) mounted on the base (1) and rotatable to any of a number of set positions. One or more sensors (15), concealed behind the board (3), determine the orientation of the board (3) and produce a signal which is fed into the computerized scoring system, keeping that consistent whatever the orientation of the board (3).</p>