Communication system, apparatus, and method

摘要

A display board (100) is equipped with a communication apparatus (102) for communicating with a storage unit (301) and at least one portable display apparatus (101). The communication apparatus (102) includes a receiver for receiving identification information from the portable display apparatus (101) when the portable display apparatus is placed upon the board (100), an acquisition unit for acquiring from the storage unit the information related to the identification information which is received from the portable display apparatus (101), and a transmitter for transmitting to the portable display apparatus the information which is acquired by the acquisition unit.