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Screen operation method for electronic device based on electronic device and control action

  • US 10,402,002 B2
  • Filed: 04/28/2014
  • Issued: 09/03/2019
  • Est. Priority Date: 05/03/2013
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • an input data receiver configured to receive input data from a user;

    a unit expression recognizer configured to recognize at least two unit expressions from the input data, dependent on results of respectively comparing the at least two unit expressions with predetermined reference data, for controlling the electronic device, wherein the at least two unit expressions respectively includes any one or any combination of two or more of a closed curve, a line, and a point; and

    a screen controller configured to control a screen of the electronic device in response to a control operation that is a combination of the at least two unit expressions,wherein the screen controller is further configured to enlarge a particular area related to a closed curve in response to the control operation comprising the user drawing the closed curve on the screen and then drawing a first line from a boundary of the closed curve away from the closed curve on the screen, andwherein the screen controller is further configured to determine a zoom scaling factor of the particular area based on a distance from a center of the closed curve to the closed curve and a length of the first line.

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