Kyocera Corporation

Sega Enterprises, Ltd.

Nippon Columbia Co., Ltd.

Shinichi Midorikawa

Hiroaki Yoshida

Atsushi Kitahara

Eiji Takeuchi

Yoshiaki Kitamura

Kazuya Kiuchi

Hiromasa Yamashita

Kan Fukuda

Toru Funayama

Kazuo Nagamachi

Haruhiro Kikkawa

Satoshi Endoh

Audio equipment

An electronic system pocketbook apparatus includes a foldable and portable main body, an expansion card holder mounted on the main body, a necessary number of expansion cards held by the expansion card holder, and a communicating unit. The main body has a functions of right and left portions coupled by a cover, is folded upon carrying of the main body so that the right portion overlaps the left portion, a folded portion being fastened by a cover clip provided to the cover, and has basic functions of controlling arithmetic operations and display data processing by using an internal controller, data inputting means, and displaying data on a display unit. The communicating unit performs data transmission/reception between the held expansion cards and the main body via the expansion card holder.

Electronic system pocketbook apparatus

Growing community of inventors

Tokyo, Japan

Shinichi Midorikawa