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Mobile terminal and auto-focusing method using a lens position error compensation

  • US 7,693,411 B2
  • Filed: 05/10/2007
  • Issued: 04/06/2010
  • Est. Priority Date: 05/11/2006
  • Status: Active Grant
First Claim
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1. An auto-focusing method using a lens position error compensation for a mobile terminal having a camera module, comprising:

  • detecting a target object during a photograph mode;

    determining a lens position at which a focus value gradient related to the detected target object changes sign while moving a lens of the camera module in units of one step size; and

    performing a lens position compensation by moving the lens to the determined lens position.

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