Browse Prior Art Database

Low Cost Mapping Scanner Disclosure Number: IPCOM000086207D
Original Publication Date: 1976-Aug-01
Included in the Prior Art Database: 2005-Mar-03
Document File: 2 page(s) / 46K

Publishing Venue


Related People

Suding, R: AUTHOR


Digitizing of map coordinates is expedited and simplified.

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Low Cost Mapping Scanner

Digitizing of map coordinates is expedited and simplified.

Normally, coordinates on a tablet-mounted map are selected for digital communication to a computer slowly moving cross hairs to the desired point. Here, instead, a stylus and tablet identify points to be digitized, which a slave video camera displays on a screen associated with the tablet. The screw, instead of the tablet, carries the cross hairs. Once the desired point on the map is, with the cross hairs, under stylus control, the point's coordinates may be digitized.

A computer compares the stylus scanner coordinates and drives a scanner position adjusting motor until the coordinates are correlated. An "enter" signal causes the computer to retain the coordinates of the point at the display cross hairs.


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