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PROJECTOR AND PROJECTION CORRECTION METHOD THEREOF

  • US 20190033700A1
  • Filed: 07/31/2018
  • Published: 01/31/2019
  • Est. Priority Date: 07/31/2017
  • Status: Active Grant
First Claim
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1. A projection correction method, adapted to a projector, the projection correction method comprising:

  • sensing a temperature of a body of the projector to obtain a first temperature value, wherein a focusing gear of the projector is located at a first gear position;

    determining whether the temperature of the body of the projector is changed, and when the temperature of the body of the projector is changed from the first temperature value to a second temperature value, rotating the focusing gear by a predetermined distance to rotate the focusing gear to a second gear position; and

    determining whether a storage device stores a target gear position corresponding to the second temperature value, so as to rotate the focusing gear to the target gear position.

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