A desired frame image can be searched for and reproduced at high speeds. The same holds true for frame return reproduction. A data unit containing the video information compressed by encoding is stored in a data unit memory and decoded at a decoding unit. When the target frame is decoded, the decode...http://www.google.com.hk/patents/US5619338?utm_source=gb-gplus-share專利 US5619338 - Reproduction apparatus with a search function
