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PROJECTOR

  • US 20190346750A1
  • Filed: 07/24/2019
  • Published: 11/14/2019
  • Est. Priority Date: 03/30/2016
  • Status: Active Grant
First Claim
Patent Images

1. A projection lens attached to a housing including a light source and an image forming panel, the projection lens comprising:

  • a first optical system that focuses illumination light emitted from the image forming panel illuminated by the light source;

    a first reflective member inclined with respect to a first optical axis of the first optical system and deflects the first optical axis to a second optical axis;

    a second reflective member inclined with respect to the second optical axis and deflects the second optical axis to a third optical axis;

    a second optical system that projects illumination light, which is deflected to the third optical axis by the second reflective member, onto a projection surface; and

    a lens barrel that holds the first optical system, the first reflective member, the second reflective member and the second optical system, and is mounted on a barrel-mounting surface of the housing;

    wherein the projection lens is capable to adjust an angle against the barrel-mounting surface.

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