Activating virtual keys of a touch-screen virtual keyboard

A method of operating a touch screen to selectively activate a virtual GUI item, comprising:

• determining a touch location based on location data pertaining to touch input on the touch screen, wherein the touch input may be intended to activate the GUI item;
• for each item location of a set of at least one item locations corresponding to the virtual GUI item, determining a distance between the touch location and that item location;
• and
• processing the determined distances to determine whether the GUI items is activated.

A computer-readable medium having a computer program tangibly embodied thereon, the computer program including steps for operating a touch screen to activate one of a plurality of virtual GUI items, the steps of the computer program comprising:

• determining a touch location based on location data pertaining to touch input on the touch screen, wherein the touch input is intended to activate one of the plurality of virtual GUI items;
• for each of the plurality of virtual GUI items, each virtual GUI items having a set of at least one GUI item location corresponding to it, determining a parameter for that virtual GUI item that relates the touch location and the set of at least one item location corresponding to that virtual GUI item;
• processing the determined parameters to determine one of the virtual GUI items;
• and
• generating a signal indicating activation of the determined one of the virtual GUI items.

A computer-readable medium having a computer program tangibly embodied thereon, the computer program including steps for operating a touch screen to selectively activate a virtual GUI item, comprising:

• determining a touch location based on location data pertaining to touch input on the touch screen, wherein the touch input may be intended to activate the GUI item;
• for each item location of a set of at least one item locations corresponding to the virtual GUI item, determining a distance between the touch location and that item location;
• and
• processing the determined distances to determine whether the GUI items is activated.

A method of operating a touch screen, comprising:

• determining a touch location based on location data pertaining to touch input on the touch screen, wherein the touch input is intended to activate one of a plurality of virtual keys of a virtual keyboard provided on the touch screen;
• for each of the plurality of virtual keys, each virtual key having a set of at least one key location corresponding to it, determining a parameter for that virtual key that relates the touch location and the set of at least one key location corresponding to that virtual key;
• and
• generating a signal indicating activation of a determined one of the virtual keys based on processing the determined parameters.

A computer readable medium having embodied thereon a program to operate a touch screen of a touch screen computer, the program comprising steps of:

• determining a touch location based on location data pertaining to touch input on the touch screen, wherein the touch input is intended to activate one of a plurality of virtual keys of a virtual keyboard provided on the touch screen;
• for each of the plurality of virtual keys, each virtual key having a set of at least one key location corresponding to it, determining a parameter for that virtual key that relates the touch location and the set of at least one key location corresponding to that virtual key;
• and
• generating a signal indicating activation of a determined one of the virtual keys based on processing the determined parameters.