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Optically adjusting device

  • US 6,181,490 B1
  • Filed: 09/17/1999
  • Issued: 01/30/2001
  • Est. Priority Date: 03/24/1999
  • Status: Expired due to Fees
First Claim
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1. An optically adjusting device adapted to be used in a projector, comprising:

  • a frame having a plurality of frame members defining a space for containing an optical combiner therein;

    a plurality of light-receiving plates, each of which is disposed on one of said frame members for receiving a specific light beam and outputting said specific light beam to said optical combiner; and

    a plurality of adjusting plates, each of which is arranged between one of said frame members and a corresponding light-receiving plate for sequentially adjusting a position and orientation of said corresponding light-receiving plate with respect to said optical combiner.

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