A technique for transmitting and receiving an electronic program guide which identifies programs that are to be transmitted. Electronic program guide (EPG) data includes image data representing images of reduced, less than normal, size to identify respective programs which are to be transmitted. The...http://www.google.com.tw/patents/US6005562?utm_source=gb-gplus-share專利 US6005562 - Electronic program guide system using images of reduced size to identify respective programs
