A microcontroller or microprocessor-controlled broadcast receiver embedded in an external peripheral with a digital communications interface. In one embodiment, a microprocessor-controlled broadcast receiver is embedded in the housing of an external computer peripheral. The external computer peripheral...http://www.google.com.hk/patents/US20010042146?utm_source=gb-gplus-share專利 US20010042146 - Broadcast Receiver In A Peripheral Supporting Bi-Directional, Digital Communication With A Remote Computer