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US08419231B2 LED extended optic tir light cover with light beam control 失效
LED扩展光端机灯罩，带光束控制

  • Patent Title: LED extended optic tir light cover with light beam control
  • Patent Title (中): LED扩展光端机灯罩，带光束控制
  • Application No.: US13180234
    Application Date: 2011-07-11
  • Publication No.: US08419231B2
    Publication Date: 2013-04-16
  • Inventor: Leroy E. Anderson
  • Applicant: Leroy E. Anderson
  • Agency: Dykas & Shaver
  • Agent Robert L. Shaver
  • Main IPC: F21V5/00
  • IPC: F21V5/00
LED extended optic tir light cover with light beam control
Abstract:
An optic for producing an asymmetrical beam of light for restricting light output to an area below a midplane of the optic, and for directing light to the sides or down from the midplane.
Abstract(Chinese):

用于产生不对称光束的光学器件，用于限制光输出到光学器件的中平面以下的区域，以及用于将光引导到中面的侧面或向下。

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