Mitsubishi Denki Kabushiki Kaisha

Mitsubishi Electric Corporation

Hitoshi Kamasaka

Atsushi Murata

Shinji Kitagami

Hiroaki Shiraki

Masashi Torato

Takao Shindou

An access from a server apparatus to a terminal apparatus is made safely and reliably possible without changing the setting of a firewall, etc. The terminal apparatussends instruction inquiries, to inquire of the server apparatusabout existence/absence of a command (an execution instruction) to be executed by the terminal apparatus, in a form of an HTTP request (S). The server apparatussends reply data(an inquiry response) including the command, in the form of an HTTP response to the HTTP request, to the terminal apparatus(S, S) when the command to be executed by the terminal apparatusexists. The terminal apparatusexecutes the command when the reply dataincludes the command.

Terminal apparatus, server apparatus, and instruction apparatus

A server includes an access permission determining section determining, when link information is contained in server information to be transmitted to a client, whether a user of the client is permitted access to the server information represented as a destination of a link by the link information, and a link information deletion section transmitting, when the user of the client is denied access by the access permission determining section, the server information to the client after deleting the link information from the server information.

Internet server providing link destination deletion, alteration, and addition

Growing community of inventors

Tokyo, Japan

Hitoshi Kamasaka