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Touch input apparatus and portable electronic device including same

  • US 9,864,505 B2
  • Filed: 10/06/2014
  • Issued: 01/09/2018
  • Est. Priority Date: 09/28/2007
  • Status: Active Grant
First Claim
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1. A portable electronic device comprising:

  • a display area provided on a front surface thereof and separated from other areas of the device, and a second area provided on the front surface and outside the display area,the display area being configured to display a plurality of operation-related images arranged in sequence so as to execute a specific function by touch operation, wherein the display area is formed over a first touch detection part, wherein the first detection part comprises a two-dimensional matrix of touch detection lines,the second area providing at least one touch-sensitive function key responsive to a touch operation, wherein the at least one touch-sensitive function key is formed over a second touch detection part formed over a plurality of leads that run parallel to each other in only one direction to provide a one-dimensional output in response to a touch operation performed within the second touch detection part according to a touch position in a direction orthogonal to the plurality of leads,the display area being configured to display a first display of a first subset of the plurality of operation-related images or a second display of a second subset of the plurality of operation-related images that are not contained in the first subset, andthe first display being switchable to the second display using a scroll operation in response to an operation of the at least one touch-sensitive function key.

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