A system includes a chair having an electrical connection to electrically connect the chair to a gaming device and a speaker package incorporated into the chair and coupled to the electrical connection. The speaker package includes a speaker mounted to a central member between a first shell defining...http://www.google.fr/patents/US20080211276?utm_source=gb-gplus-shareBrevet US20080211276 - Speaker System for a Gaming Machine
Numéro de demande: 11/569,732 Numéro de publication: US 2008/0211276 A1 Date de dépôt: 26 mai 2005 Brevet délivré: US8000484 ( Date de délivrance 16 août 2011)
