Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Toru Imamura

Kazuo Yahiro

Tomiya Miyazaki

Yutaka Takeda

Akitoshi Aritaka

Takuji Tsujigawa

Keisuke Ogata

Masafumi Tanaka

Koji Abe

Shinya Isumi

Noriaki Nada

Yasuyuki Nishioka

Daisuke Wada

Yuji Jodoi

Hidetoshi Hayashida

Takuji Tujigawa

Ryota Nonaka

Toshinori Yamagichi

Takao Miyazaki

A computer systemhas a PBX, a terminal device, and a management server. The PBXhas a line controller, an extension controller, an interface, a memory that stores identification information and an enciphered file, a decoder that decodes the enciphered file, a comparator that compares the identification information and the enciphered file decoded by the decoder, and a controller. The terminal devicereads the identification information from the PBXand transmits that to the management server. The management serverhas an authenticator that receives a request for authentication when the terminal devicelogs in, an issuer that issues the enciphered file according to the identification information, and a database that stores the issue date in correlating with the identification information.

Computer system using identification information and control method thereof

A data terminal, a data distributing system, and an Internet telephoning system are provided where desired data such as advertisements can selectively be determined and used for enjoying its relevant services. The data terminal receives a summary of service data from a data provider apparatus over the Internet, and if desired, demands the data provider apparatus to provide the service data over the Internet. The service data from the data provider apparatus may selectively be received in at least one of an audio form, a text form, and a video form at the data terminal. The service data may be advertisement data, commercial product data, and entertainment data such as music, movies, and games. The entertainment data may selectively be presented as at least one of the title, the artist name, the cost, and a trial sample piece of the content.

Data terminal, data distribution system, and internet telephone system

An Internet telephone apparatus which is capable of processing an Internet connection to an Internet telephone or to personal computer communications without requiring the installation of an additional public line, so that a cost for extension of a line and maintenance of the extended line can be eliminated. This Internet telephone apparatus has an incoming call determination unit for determining, based on information in a call setting message from a user, generated when a call is originated, whether the call is an incoming call directed to an access server for controlling communications such as personal computer communications or the like or an incoming call directed to an Internet telephone control unit for controlling the Internet telephone.

Internet telephone apparatus and internet telephone gateway system

Growing community of inventors

Fukuoka, Japan

Toru Imamura