System for measuring latency on a touch device
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United States of America Patent
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Dec 12, 2017
Grant Date -
Apr 9, 2015
app pub date -
Jun 26, 2014
filing date -
Oct 7, 2013
priority date (Note) -
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Abstract
A system and method are disclosed for measuring latency in a device which includes a user interface that receives user input and provides output in response. In an embodiment, a body separate from the device under test is provided. A first sensor operatively attached to the body detects a touch event input to the device at a first time and a second sensor detects a response output from the device at a second time. A computational engine computes a time differential between the first time and the second time and an output outputs an indication of a measurement of latency in the device, the measurement being reflective of the time differential between the first time and the second time.
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