Patent ID: 6712487
Filing Date: 2004-03-30
Classification: A63B

Abstract:
A light emitting golf ball comprising a substantially solid plastic core formed of a light transmissive material, a plastic outer shell that transmits light surrounding said plastic core, and a light emitting circuit assembly embedded within said core, said light emitting circuit assembly including a battery, a control circuit coupled to said battery, a plurality of light emitting diodes coupled to said control circuit, and an impact switch electrically connected between said battery and said control circuit to turn on said light emitting diodes for a predetermined time period responsive to an impact of said golf ball by a golf club, said impact switch including a metal casing connected to a terminal of said control circuit, and a metal spring suspended in said metal casing and electrically connected to one terminal of said battery, said metal spring being adapted to vibrate sufficiently to contact said metal casing responsive to said golf ball being struck by a golf club.