Invention Grant
US07731372B2 Projector 有权
投影机

  • Patent Title: Projector
  • Patent Title (中): 投影机
  • Application No.: US11840192
    Application Date: 2007-08-16
  • Publication No.: US07731372B2
    Publication Date: 2010-06-08
  • Inventor: Ming-Kuen Lin
  • Applicant: Ming-Kuen Lin
  • Applicant Address: TW Taoyuan County
  • Assignee: Qisda Corporation
  • Current Assignee: Qisda Corporation
  • Current Assignee Address: TW Taoyuan County
  • Priority: TW95132191A 20060831
  • Main IPC: G03B21/28
  • IPC: G03B21/28
Projector
Abstract:
A projector comprises a light source unit, a light guide element, a first focus element, a second focus element, a micromirror element and an image unit. The light source unit provides a light beam. The first focus element comprises a first focal length f1. The second focus element comprises a second focal length f2, wherein 2.0
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