The present invention relates to a data playback apparatus which efficiently performs playback or erasure of a program composed of video or audio which is stored in a memory card. A decoding means for reading data from the memory to decode the same retrieves an ID which matches a program ID designated...http://www.google.com.hk/patents/US20020001261?utm_source=gb-gplus-share專利 US20020001261 - Data playback apparatus
