The sensor itself is a little less than 1cm on a side.
A thatch of densely interconnected logic of some sort.
Some context
A little closer
SMART Board Image Sensor
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Bob-O-Rama
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SMART Board Image Sensor
The first generation SMART Boards were basically a special bezel / picture frame illuminated by IR LEDs. Small cameras on each corner detected the shadow of the pen transiting the IR lighting on the opposite parts of the frame.
The sensor itself is a little less than 1cm on a side.
A thatch of densely interconnected logic of some sort.
Some context
A little closer
The sensor itself is a little less than 1cm on a side.
A thatch of densely interconnected logic of some sort.
Some context
A little closer
-
Bob-O-Rama
- Posts: 200
- Joined: Sat Dec 06, 2014 6:46 am
- Location: Allentown, PA, USA, Earth, etc.
- Contact:
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Olympusman
- Posts: 5090
- Joined: Sun Jan 15, 2012 12:31 pm