A system comprising a user interface which can access downloaded electronic programs (e.g. pay per view movies) and information records related to said programs, which can be continually updated and provided over cable or satellite transmission paths or other "fast data" paths, and which can automatically...http://www.google.com.hk/patents/US5483278?utm_source=gb-gplus-share專利 US5483278 - System and method for finding a movie of interest in a large movie database
