Digital pen for recording/transmitting handwritten information, has memory unit connected to memory unit of external data storage device in such a way that memory units operate as single coherent memory unit

摘要

The digital pen (1) has the unit which is connected to a memory unit of an external data storage device in such a way that the memory units operate as a single coherent memory unit from user's point of view. Independent claims are also included for the following: (1) Information management system; (2) Memory capacity provision method; and (3) Memory management method.