Optical element
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United States of America Patent
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Mar 17, 2015
Grant Date -
Oct 31, 2013
app pub date -
Nov 10, 2011
filing date -
Nov 19, 2010
priority date (Note) -
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Abstract
The present invention relates to an optical element for use in a camera system for the inspection of passageways, a camera system for the inspection of passageways and a method of illuminating a passageway during inspection with a camera. An optical element for use in a camera system for the inspection of passageways comprises a first optical portion arranged to transmit light into a camera, a second optical portion arranged to transmit light emitted from a light source, the second optical portion located adjacent the first optical portion, and barrier means arranged to prevent light being transmitted from the second optical portion into the first optical portion.
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