Limited view dynamic message sign for traffic information
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United States of America Patent
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Jan 24, 2017
Grant Date -
N/A
app pub date -
Dec 15, 2015
filing date -
Sep 15, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dynamic message sign includes a front housing defining a viewing window and an interior. A LED assembly is in the interior for displaying a message within a cone of vision. A louver assembly limits the cone of vision. The dynamic message sign may also include a back frame for supporting the front housing and a bracket for setting the front assembly at an angle with respect to the back frame. The LED assembly can include a plurality of LED pixels arranged in rows and columns. The louver assembly can include a plurality of louver racks, each louver rack extending adjacent to a column of LED pixels.
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Cited Art Landscape
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