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Partial detect mode

  • US 9,874,978 B2
  • Filed: 06/10/2014
  • Issued: 01/23/2018
  • Est. Priority Date: 07/12/2013
  • Status: Expired due to Fees
First Claim
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1. A touch sensitive system comprising:

  • a touch sensitive panel defining a touch surface;

    a plurality of emitters configured to emit light across the touch surface;

    a plurality of detectors configured to detect the light;

    a plurality of distributed control devices, wherein each of the plurality of distributed control devices is configured to control operation of a respective segment of the plurality of emitters and the plurality of detectors;

    a main control unit connected with the plurality of distributed control devices;

    wherein during a partial detect mode, a first subset of said plurality of distributed control devices are activated and wherein the first distributed control device in the first subset is configured to control a first set of emitters to emit light across a partial area of said touch surface; and

    wherein the first distributed control device is further configured to;

    detect a predetermined gesture on the partial area of said touch surface; and

    generate a gesture signal indicating the predetermined gesture,wherein a remaining set of distributed control devices which were not active in the partial detect mode are configured to be activated in response to receiving the gesture signal.

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