Server system, server apparatus, terminal apparatus and method for connection acknowledgement

摘要

A server system is provided with a server apparatus and a terminal apparatus capable of logging in a predetermined mode of the server apparatus. The terminal apparatus comprises a transmitter for transmitting a connection acknowledgment signal at intervals of time to the server apparatus while remaining in a log-in state to the predetermined mode of the server apparatus. The server apparatus comprises a monitor for monitoring a presence of the connection acknowledgment signal received from the terminal apparatus and a controller for performing a forcible log-out processing when the connection acknowledgment signal is not detected for the predetermined length of time.