A two-way remote control unit with a graphical user interface controls various audio/video devices interconnected in a multimedia system. The remote control unit includes a transceiver for transmitting and receiving control commands to/from multimedia components, which are displayed in the user-friendly...http://www.google.com.tw/patents/US6127941?utm_source=gb-gplus-share專利 US6127941 - Remote control device with a graphical user interface