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Method and electronic device for tactile feedback

  • US 8,723,881 B2
  • Filed: 02/08/2012
  • Issued: 05/13/2014
  • Est. Priority Date: 06/21/2011
  • Status: Active Grant
First Claim
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1. A tactile feedback method for an electronic device, comprising:

  • inputting an original image;

    converting the original image to a binary image, the binary image comprising a first grayscale value and a second grayscale value;

    converting the original image to a grayscale image, the grayscale image at least comprising a third grayscale value between the first grayscale value and the second grayscale value;

    generating an index map according to the binary image and the grayscale image, the index map comprising a plurality of index values indicative of different strengths for tactile feedback;

    detecting a touch input on a touch panel of the electronic device when the original image is displayed on a display panel; and

    driving a tactile activation unit of the electronic device to generate tactile feedback according to the index map in response to the detected touch input.

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