Patent ID: 6299339
Filing Date: 2001-10-09
Classification: A47G,F21S,F21V,F21W,G02B

Abstract:
A light generating base, comprising:a stand;a motor including a motor body and a motor shaft mounted on said motor body, said motor shaft having upper and lower portions that project upwardly and downwardly from said motor body, said lower portion of said motor shaft being secured to said stand such that said motor body is rotatable relative to said stand about a vertical axis;a lamp unit mounted on said upper portion of said motor shaft and operable so as to radiate light upwardly;an upright filter supporting member having a lower portion that is secured to said motor body to permit rotation of said filter supporting member with said motor body relative to said stand, and an upper portion that projects upwardly beyond said lamp unit;a color filter disk mounted on said upper portion of said filter supporting member so as to be co-rotatable therewith and disposed above said lamp unit and transverse to a light radiating direction of said lamp unit, said color filter disk being formed with a plurality of differently colored angularly displaced light filtering regions;an upright fiber supporting member having a lower portion that is secured to said stand, and an upper portion that projects upwardly beyond said color filter disk; andan optical fiber bundle including a plurality of optical fiber strands, and having a lower end secured to said upper portion of said fiber supporting member such that light passing through said color filter disk can be received by said optical fiber strands for transmission therealong.