A conventional definition camera acquires video data relating to a portion of an image to be televised and stores the data in a higher definition capacity store. The camera is panned and tilted to acquire data relating to other parts of the image. A motion detector determines the degree of movement...http://www.google.fr/patents/US5689302?utm_source=gb-gplus-shareBrevet US5689302 - Higher definition video signals from lower definition sources
Higher definition video signals from lower definition sources
