OPTICAL PROJECTION OVERLAY DEVICE
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United States of America Patent
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Issued Date -
Feb 16, 2017
app pub date -
Aug 10, 2015
filing date -
Aug 10, 2015
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status (Latency Note)
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Abstract
Devices and methods for producing a highlighted overlay of a region, including an illumination source configured to illuminate the region at a bandwidth containing a first wavelength at a working distance, an imager at a working distance configured to image the illuminated region at a bandwidth containing a second wavelength, where the first and second bandwidths and wavelengths are not visible, a visible light projector configured to illuminate the region and registered to the imager to produce alignment of imaged feature with projected features at the same location on the region, and a controller executing a program configured to filter acquired images from the imager to identify areas of the region of a predetermined light intensity, and control the projector to visibly highlight those areas on the region.
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