An information output apparatus which is capable of limiting a range for outputting information based on a position. A position information acquiring section acquires first position information, a message receiving section receives information including second position information, and a message transferring...http://www.google.fr/patents/US7469277?utm_source=gb-gplus-shareBrevet US7469277 - Information output apparatus, information output method, information output program, information transmitting apparatus, information transmitting method, information transmitting program, and information output system
Information output apparatus, information output method, information output ...
