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OPTICAL TOUCH DEVICE

  • US 20110199336A1
  • Filed: 11/01/2010
  • Published: 08/18/2011
  • Est. Priority Date: 02/12/2010
  • Status: Abandoned Application
First Claim
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1. An optical touch device, applied to provide a touch area, comprising:

  • at least one image sensor; and

    a processing unit, electrically connected with the image sensor;

    wherein when the optical touch device is in a sleep mode, one of the image sensors that present the sleep mode is enabled, such that the enabled image sensor detects an indication object on the touch area; and

    when the image sensor detects that the indication object exists on the touch area, the image sensor notifies the processing unit to wake up the entire optical touch device.

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