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The Interior of the 3M This is probably one of the more popular brands so I opened mine up to reveal the interior from the front. The actual programming so this signal is viewed from a specific lane only is done with installing optical tape on a clear lens in the back, and mounting a frosted lens over it. Each section has a wire shroud installed to hide wiring. That way, wires shadows aren't visible on the front lens. Keywords: Traffic_Lights

The Interior of the 3M

This is probably one of the more popular brands so I opened mine up to reveal the interior from the front. The actual programming so this signal is viewed from a specific lane only is done with installing optical tape on a clear lens in the back, and mounting a frosted lens over it. Each section has a wire shroud installed to hide wiring. That way, wires shadows aren't visible on the front lens.

DSCN3358.JPG DSCN3359.JPG DSCN3360.JPG DSCN3361.JPG DSCN3362.JPG
File information
Filename:DSCN3360.JPG
Album name:basilicon89 / Traffic Lights
Keywords:Traffic_Lights
Filesize:133 KiB
Date added:Jan 07, 2011
Dimensions:986 x 740 pixels
Displayed:199 times
Color Space:sRGB
Contrast:0
DateTime Original:2011:01:07 14:49:06
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/30 sec
FNumber:f/2.8
Flash:Red Eye, Auto-Mode
Focal length:6.2 mm
ISO:64
Light Source:Unknown: 0
Make:Nikon
Max Aperture:f/2.8
Model:COOLPIX L11
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=4580
Favorites:Add to Favorites

Comment 1 to 3 of 3
Page: 1

rjluna2   [Jan 08, 2011 at 07:11 PM]
Thanks for showing this the guts of these specific lane signal Cool
streetlight98   [Nov 15, 2011 at 03:31 AM]
Do these use regular traffic signal lamps or floodlight shaped lamps?
joe_347V   [Nov 15, 2011 at 03:34 AM]
They use 150w three pronged PAR lamps. They have the best fade out effect out of all the signal lamps. Very Happy

Comment 1 to 3 of 3
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