Portable Interactive Whiteboard

interactive whiteboard
dimension 162 x .7 mm or 6.38 x 1.46 in
weight 80g or 0.176lb (battery not included )
type red laser & ir
power demand 1.5v 3a battery x 2
writing control method touch sensor & button
painting method touch and remote control
number of buttons 12
positioner
dimension 10.8 x 5.3 cm or 4.25 x 2.09 in
weight 90g or 0.198lbs
type red laser & ir
power demand no power is needed (usb)
access 2.4 ghz
maximum projection size 150 inches
horizontal access angle 30 degree
vertical adjusting range +/- 30 degree
calibration method auto scan area preview
calibration adjusting time 3 seconds
operation distance from screen 1 to 7 meters
connector usb 2.0 with no extra power
warranty 1 year
computer minimum reqirement
operating system windows 2000 or xp with direct show installed
cpu 1.0 ghz: white board application,
3.0 ghz: light gun application for 3d pc games
memory 200mb
hard disk 15mb
usb 2.0 port one
cd rom for software installation
keyboard for hot key input
system optimization
projector resolution 1024 x 768
projection image size 50’’ ~ 150’’
typical environment calibration 3 seconds
touch environment calibration 10 seconds
optimized calibration accuracy with chess board area +/- 10 pixel
optimized calibration repeatability with chess board area +/- 10 pixel
full screen full scan area optimized resolution 2000 x 1500
optimized cursor jittering +/- 4 pixel
* testing environment should be on a flat and diffusive screen with perfect keystone corrected projection image