Patent ID: 7866668
Filing Date: 2011-01-11
Classification: F41J

Abstract:
1. An electric dartboard comprising: a base, including a receiving zone, a receiving bore being disposed at a predetermined position of the receiving zone, a positioning ball and a resilient member received in the receiving bore, and two ends of the resilient member abutting against the receiving bore and the positioning ball, respectively; a dart frame, rotatable in a 360-degree manner, disposed in the receiving zone, the dart frame comprising an upper frame body and a lower frame base, with the upper frame body further comprising a plurality of concentric loops of different diameters, and a plurality of radial ribs arranged radially, wherein the plurality of concentric loops meet with the plurality of radial ribs at intersections; and the lower frame base further comprising a plurality of crossed posts integrally formed thereon for corresponding in position to the intersections, and a cylinder member of a diameter integrally formed thereon with the diameter of the cylinder member corresponding to the smallest diameter of concentric loops of different diameters, and a plurality of first positioning recesses formed on an outer periphery of the frame base for receiving the positioning ball therein; a plurality of peripheral score blocks, disposed between the frame body and the frame base, one or more touch bosses formed on a surface thereof facing the base, and the frame base further comprising a plurality of bores for receiving the touch bosses; and a touch sensor, disposed between the receiving zone and the dart frame, including a plurality of touch points corresponding to the touch bosses, and a touch coil mounted on the touch sensor of a diameter slightly less than that of the cylinder member, corresponding in position to the cylinder member.