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Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means

  • US 6,592,228 B1
  • Filed: 05/09/2001
  • Issued: 07/15/2003
  • Est. Priority Date: 12/24/1999
  • Status: Expired due to Term
First Claim
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1. A projector that projects an image displayed on an image display device onto a screen via a projection lens, the projector comprising:

  • a lens driving means for driving the projection lens;

    a receiving means for receiving an input of at least one projection condition;

    a parameter determining means for determining a control parameter to control the lens driving means, in accordance with the received projection condition; and

    a control means for controlling the lens driving means in accordance with the determined control parameter;

    wherein the lens driving means includes;

    a zoom ratio adjusting mechanism for adjusting a zoom ratio of the projection lens; and

    a focus adjusting mechanism for adjusting a focus of the projection lens.

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