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LATENCY MEASURING AND TESTING SYSTEM AND METHOD

  • US 20150097803A1
  • Filed: 06/26/2014
  • Published: 04/09/2015
  • Est. Priority Date: 10/07/2013
  • Status: Active Grant
First Claim
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1. A system for measuring latency at any of a plurality of points on a device which includes a touch surface that receives user input and provides graphical output in response thereto, comprising:

  • a body separate from the device, the body having a proximal end and a distal end;

    at least one contact sensor operatively attached to the distal end of the body for detecting a touch event input to the device at a first time;

    at least one graphical change sensor for detecting a graphical response output from the device at a second time, the response being responsive to the touch event;

    a computational engine operatively connected to the at least one contact sensor and the at least one graphical change sensor, the computational engine for computing a time differential between the first time and the second time; and

    ,output configured to identify a measurement of latency between the touch event and a graphical response in the device, the measurement being reflective of the time differential between the first time and the second time.

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