The measuring device (1) comprises a scale graduation element (3) provided with a number of tracks (9, 13), a pick-up device (5) which comprises a number of sensing elements (4, 6) provided with sensors, which number corresponds to the number of tracks (9, 13), and also comprises a signal processing...http://www.google.fr/patents/US5279044?utm_source=gb-gplus-shareBrevet US5279044 - Measuring device for determining an absolute position of a movable element and scale graduation element suitable for use in such a measuring device
Measuring device for determining an absolute position of a movable element ...
