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Virtual Interface Devices

  • US 20130174079A1
  • Filed: 04/20/2011
  • Published: 07/04/2013
  • Est. Priority Date: 04/21/2010
  • Status: Active Grant
First Claim
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1. A touch screen device configured to implement an auxiliary virtual keyboard on a touch screen of said device, wherein said device has an operating system configured to provide touch and gesture sensing and image display functions, the device comprising:

  • a processor coupled to a touch sensitive display screen and to non-volatile memory storing processor control code and data defining said auxiliary virtual keyboard comprising a set of auxiliary keys and an auxiliary key layout map of said auxiliary keys;

    whereinsaid processor control code, when running on the processor is such that the processor is configured to;

    receive a signal from said operating system that said auxiliary virtual keyboard is to be displayed on said touch screen;

    determine a size of an auxiliary keyboard window in which said auxiliary virtual keyboard is to be displayed as a strip of auxiliary keys;

    instruct said operating system to display a partial view of said auxiliary virtual keyboard within said window so that a subset of said auxiliary keys are displayed to a user, whereby said auxiliary virtual keyboard is scrollable in response to user input to alter the partial view of said auxiliary virtual keyboard to display a different subset of said auxiliary keys;

    receive touch data from said operating system;

    map said touch data to a key of said auxiliary keyboard using said auxiliary key layout map to identify a touched auxiliary key; and

    provide a response to said operating system dependent on said identified touched auxiliary key.

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