发明授权
US06183115B2 Image projecting lampshade 失效
图像投影灯罩

  • 专利标题: Image projecting lampshade
  • 专利标题(中): 图像投影灯罩
  • 申请号: US09309852
    申请日: 1999-05-11
  • 公开(公告)号: US06183115B2
    公开(公告)日: 2001-02-06
  • 发明人: Ronald A. Durando
  • 申请人: Ronald A. Durando
  • 主分类号: F21V1100
  • IPC分类号: F21V1100
Image projecting lampshade
摘要:
A specially constructed lampshade contains a simple projection system mounted in operative association with the light bulb of a lamp on which the shade is mounted.
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