Data synchronization system, apparatus used for the system, and data synchonization method

摘要

A data access system includes a client device (10) connected over a network (5) and being used by a user for registering or displaying data such as a schedule or a memo, and a data server device (1) connected over the network (5) for managing the data currently stored in the client device (10). The client device (10) includes a communication portion (11) for establishing communication with the data server device (1), a client data storing portion (12) storing a part or a whole of server data stored in the data server device (1), an output portion (13) formed of a display device providing character information and movie information to the user and a speaker for outputting a sound or a voice, and a control portion (15) controlling various portions.