A mobile communication device includes a unit for establishing a wireless link for a wireless communication with an external device, a unit for, via the wireless link, sending a signal to the external device to start software installed therein, a unit for, via the wireless link, receiving display data...http://www.google.com.tw/patents/US6633759?utm_source=gb-gplus-share專利 US6633759 - Communication system, and mobile communication device, portable information processing device, and data communication method used in the system