An electronic device connectable to a network comprises the communicators' address table 8 in which communication address information of the network server 17 was entered, the setting memory section 13 memorizing an information verification cycle verifying update circumstances of an information, the...http://www.google.de/patents/US6763396?utm_source=gb-gplus-sharePatent US6763396 - Network connected device capable of initiating periodic update of operating utilities