Apparatus for monitoring hand propinquity to plural adjacent item locations arranged in a generally two-dimensional array including an illuminator, disposed adjacent a first edge of the two-dimensional array and generating radiation which illuminates a generally planar imaginary curtain disposed in front...http://www.google.fr/patents/US7268692?utm_source=gb-gplus-shareBrevet US7268692 - Apparatus and method for monitoring hand propinquity to plural adjacent item locations
Apparatus and method for monitoring hand propinquity to plural adjacent item ...
