According to some embodiments of the invention, a connector is provided for connecting any combination of an analog video source to either an analog display or a digital display or a digital video source to either an analog display or a digital display. Some preferred connectors have a serial differential...http://www.google.com.tw/patents/US20040233181?utm_source=gb-gplus-share專利 US20040233181 - Method of adaptively connecting a video source and a video display
