Further airport boundary/edge marker improvements
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United States of America Patent
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Nov 24, 2015
Grant Date -
Dec 26, 2013
app pub date -
Jun 4, 2013
filing date -
Feb 25, 2009
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Abstract
A boundary/edge recognition system for on ground vehicular traffic, especially airport runways and taxiways that uses multiple markers, each marker including an elongated tube with a light source in or near the tube for illuminating one or more slits or a plurality of apertures in the tube. Preferred embodiments include spring mounts and/or means for indicating misalignment. Additional options include a defroster/heater and/or bird roost prevention means.
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