Please download the dossier by clicking on the dossier button x
×

TOUCH-SENSITIVE SYSTEM AND METHOD FOR CONTROLLING THE OPERATION THEREOF

  • US 20120162142A1
  • Filed: 09/01/2010
  • Published: 06/28/2012
  • Est. Priority Date: 09/02/2009
  • Status: Active Grant
First Claim
Patent Images

1. A touch-sensitive system comprising:

  • a light transmissive panel defining a touch surface and an opposite surface;

    an illumination arrangement comprising emitters configured to introduce light into the panel for propagation in the panel in an emission pattern;

    a light detection arrangement comprising detectors configured to receive the light propagating in the panel;

    the system further comprises a control unit for controlling the illumination arrangement, wherein the control unit further comprises a mode selector configured tomonitor the light received in the light detection arrangement to detect one or more touches on the touch surface, said one or more touches attenuating the light propagating in the panel; and

    select a mode for the emission pattern in dependence of the occurrence of touches on the touch surface, whereby the control unit is configured to control the emission pattern in accordance with the selected mode, wherein the control unit is configured to control the emission pattern by changing at least one of the number of active emitters in the illumination arrangement and the intensity of the light emitted by the emitters.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×