An operation instructing device is included substantially at the center of a portable apparatus, and has a sensor for detecting motion values of the portable apparatus. A user performs various movements instructed by an instructing unit, while holding the portable apparatus. The motion values detected...http://www.google.fr/patents/US7184020?utm_source=gb-gplus-shareBrevet US7184020 - Operation instructing device, operation instructing method, and operation instructing program
Operation instructing device, operation instructing method, and operation ...