A long time optical recording and repeated reproduction of multimedia information is possible. Using a printer system or printing process system, on a recording medium such as a sheet, the so-called multimedia information in the form of dot codes (36) together with images (32) and characters (34) is...http://www.google.com.au/patents/US6460155?utm_source=gb-gplus-sharePatent US6460155 - Information reproducing system capable of manually reading an optically readable code and repeatedly reproducing voice information included in the code
Information reproducing system capable of manually reading an optically ...