Device for determining position coordinates of points on a surfa

Device for digitalizing graphical data

Device for forming signals which are characteristic of the posit

Device for generating electric signals representing the position

Device for graphic communication

Device for locating the unknown position of an electrical conduc

Device for producing x-y coordinate addresses for a picture scre

Device for two-dimensional localization of events that generate

Device providing sensible output indicating receipt of data by c

Digital computer writing board

Digital pen using ultrasonic tracking

Digital pressure sensitive electromagnetic pen

Digital signature collection and authentication

Digitized controller for position locator

Digitizer and method of detecting positions

Digitizer and position determination method therefor

Digitizer and position encoders and calibration system for same

Digitizer cursor coil for reducing edge effect

Digitizer employing loopback conductor pattern using rotation se

Digitizer having flat tablet with magnetic shield plate