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TACTILE INPUT DEVICE, MICROPROCESSOR SYSTEM AND METHOD FOR CONTROLLING A TACTILE INPUT DEVICE

  • US 20130229273A1
  • Filed: 11/25/2010
  • Published: 09/05/2013
  • Est. Priority Date: 11/25/2010
  • Status: Abandoned Application
First Claim
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1. A tactile input device comprising:

  • a control device;

    a proximity sensor unit arranged to detect an object or a movement of an object in a proximity detection region and to provide a proximity detection signal to the control device indicative of a detection or non-detection of said object or movement;

    a tactile acoustic wave sensor unit for detecting a tactile input, said acoustic wave sensor unit having a low power mode and a high power mode;

    wherein the control device is arranged to control the tactile acoustic wave sensor unit to be in the low power mode or the high power mode by providing a mode control signal based on the proximity detection signal received from the proximity sensor unit.

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