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electronic distance measurement pen

PostPosted:Sun Jul 20, 2008 4:16 am
by sammeli
A pen fitted with doppler accelerometers and rotational sensors. Then a microprocessor used to calculate the distance the tip of the pen moves after distance measure button has been pressed. There could be display in the pen to show the distance it has traveled after measure button press and the tip of pen could be thick exchangeable leads so you can make a real mark with the pen.