A technique involving either: a) transmitting at least one portion of at least one image representation from, or b) receiving at least one portion of at least one image representation to, a first shared image device in a manner at least partially relying on a proximity of the first shared image device...http://www.google.fr/patents/US7920169?utm_source=gb-gplus-shareBrevet US7920169 - Proximity of shared image devices
