An electronic device with a touch screen display that includes capacitive sensing to determine the point of contact between the display and an input device. The device also includes a graphics circuit for rendering images on the touch screen display. The graphics circuit may be inactivated when not in use. The inactive mode provides a variety of advantages, such as a lower power drain on the power source. The device is further configured to sense the approach of an input device in proximity to the display. The device is configured to start activating the graphics circuit upon sensing the approach of the input device prior to contact with the display. The timing of the activation improves responsiveness of the electronic device.


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    Title :

    User interface responsiveness in an electronic device having a touch screen display


    Contributors:

    Publication date :

    2017-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION



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