A moveable headrest is mounted on or with respect to a support for supporting a user in viewing images in a standing, seated, or reclining posture. The headrest is for supporting the head of the user in executing head movements with a changing direction-of-view. A display mounted with respect to the...http://www.google.fr/patents/US7453451?utm_source=gb-gplus-shareBrevet US7453451 - Moveable headrest for viewing images from different directions
Moveable headrest for viewing images from different directions
