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Portable appliance comprising a display screen and a user interface device

  • US 10,126,933 B2
  • Filed: 10/14/2013
  • Issued: 11/13/2018
  • Est. Priority Date: 10/15/2012
  • Status: Active Grant
First Claim
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1. A portable system comprising:

  • a package having a first side and a second side, the first side facing a first direction and the second side facing away from the first side in a second direction;

    a display screen viewable on the first side of the package;

    a user interface device accessible by an actuating member on the second side of the package, the user interface device comprising an array of photon sensors disposed in rows and in columns and an array of emitters of a visible radiation or an infrared radiation disposed in rows and in columns, the array of photon sensors comprising organic sensors formed by deposition of organic semiconductor and conductor materials in liquid form on a dielectric support;

    a control unit connected to the display screen and to the user interface device, the control unit controlling a modification of a display on the display screen when the user interface device detects the actuating member in a range of positions relative to the array of photon sensors; and

    a darkness sensor;

    wherein the user interface device operates in a first mode and a second mode to deduce information representative of a variation of a position of the actuating member relative to the array of photon sensors, in the first mode, from the variation of a shadow of the actuating member, and, in the second mode, from the variation of a reflection of a radiation by the actuating member, the user interface device automatically switching between the first mode and the second mode based on an ambient luminosity detected by the darkness sensor.

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