An electronic memo adding and displaying apparatus 50 includes a tablet with integrated display for electronically acquiring an electronic memo to a document input by a user through a virtual transparent input sheet registered to be overlapped with an arbitrary object document 52, and for displaying...http://www.google.fr/patents/US6396598?utm_source=gb-gplus-shareBrevet US6396598 - Method and apparatus for electronic memo processing for integrally managing document including paper document and electronic memo added to the document
Method and apparatus for electronic memo processing for integrally managing ...
