An image display system includes a memory for storing at least one scanning line of an inputted video signal of the interlace scanning system, and reading means for repeating to read the video signal of one scanning line from the memory at a speed which is n (n is an integer of 2 or more) times of the...http://www.google.es/patents/US6791623?utm_source=gb-gplus-sharePatente US6791623 - Image display system
