Methods and apparatus for using illumination marks for spatial pointing
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United States of America Patent
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Jul 17, 2018
Grant Date -
Nov 23, 2017
app pub date -
Jun 28, 2017
filing date -
May 8, 2006
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Abstract
An elongated member such as a bar includes spaced-apart infrared light illumination ports at opposite ends thereof. Exemplary spacing between the two spaced-apart light ports may be 20 centimeters or more. Each light port comprises an array of plural light sources. The plural light sources in each array may be directionally aimed to as to provide different illumination directions. The plural light sources in each array may emit different colors or frequencies of light. Example applications include targeting or marking capabilities for a video game or other system handheld pointing device.
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