An information output apparatus which outputs guide information in combination with image, text, voice and sign-language so that hearing impaired, handicapped people can easily recognize the guide information. The sign-language is automatically generated by computer graphics on the basis of...http://www.google.com.au/patents/US5734923?utm_source=gb-gplus-sharePatent US5734923 - Apparatus for interactively editing and outputting sign language information using graphical user interface 
