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Optical path folding apparatus

  • US 20020018310A1
  • Filed: 06/29/2001
  • Published: 02/14/2002
  • Est. Priority Date: 08/10/2000
  • Status: Active Grant
First Claim
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1. An optical path folding apparatus, which is suitable for guiding an incident light to a lens set, comprising:

  • a first portion receiving the incident light and reflecting a first light beam;

    a second portion receiving the first light beam and reflecting a second light beam;

    a third portion receiving the second light beam and reflecting a third light beam;

    a fourth portion receiving the third light beam and reflecting a fourth light beam;

    a fifth portion receiving the fourth light beam and reflecting a fifth light beam; and

    a sixth portion receiving the fifth light beam and reflecting a sixth light beam to the lens set;

    wherein the first portion and the fifth portion are coplanar, and the second portion, the fourth portion and the sixth portion are coplanar.

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