In certain embodiments, an entertainment system includes a housing configured to be mounted to a headrest. The housing can define a first hinge portion, a base wall, and one or more sidewalls. The housing can include a lock portion. In some embodiments, the system includes a screen assembly including...http://www.google.fr/patents/US7758117?utm_source=gb-gplus-shareBrevet US7758117 - Headrest-mounted entertainment systems