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Force sensor-based motion or orientation determination in a device

  • US 10,254,870 B2
  • Filed: 04/01/2016
  • Issued: 04/09/2019
  • Est. Priority Date: 12/01/2015
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a touch sensor panel configured to detect an object touching the touch sensor panel;

    a plurality of force sensors coupled to the touch sensor panel and configured to detect an amount of force with which the object touches the touch sensor panel; and

    a processor coupled to the plurality of force sensors, the processor configured to;

    measure a first value from a first force sensor of the plurality of force sensors, wherein measuring the first value from the first force sensor comprises determining a first gap value with respect to a neutral state of the first force sensor;

    measure a second value from a second force sensor of the plurality of force sensors, the second force sensor different from the first force sensor and separated from the first sensor by a first axis on the electronic device, wherein measuring the second value from the second force sensor comprises determining a second gap value with respect to a neutral state of the second force sensor; and

    determine a motion characteristic of the electronic device with respect to the first axis based on the first value and the second value, wherein determining the motion characteristic comprises;

    comparing the first value and the second value;

    in accordance with a determination that the first value and the second value are indicative of force sensor position measurements in opposing directions, determine that the electronic device is undergoing at least rotational movement with respect to the first axis; and

    in accordance with a determination that the first value and the second value are indicative of force sensor position measurements in a same direction, determine that the electronic device is undergoing at least translational movement with respect to the first axis.

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