An information management apparatus 50 according to the present invention comprises: a database 30d for storing information relevant to a printer 40 therein; output request reception means 20a for receiving an output request transmitted from a portable terminal 14; inquiry signal transmission means 20a...http://www.google.com.tw/patents/US7999965?utm_source=gb-gplus-share專利 US7999965 - Information management apparatus, information output system, portable terminal, and information outputting method
