Pioneer Corporation

Michio Sakano

Kazuo Kuroda

Masakazu Ogasawara

Satoru Tanaka

Satoshi Sugiura

Kenji Nakamura

Yoshihisa Kubota

Akihiro Tachibana

Yoshihisa Itoh

Michikazu Hashimoto

Kenji Mito

Naoaki Horiuchi

Masataka Izawa

Shinichi Sugie

An information terminal such as a PDA (personal digital assistant) having a plurality of display screens in particular. The information terminal is provided with a plurality of display devices stored so that they can be developed in a main unit of the information terminal. The information terminal includes a controller which controls start and display of any application displayed on each of the display devices. The controller displays a plurality of applications in a predetermined order each time the display devices are developed.

Information terminal and information terminal control method

A hologram recording medium is a hologram recording medium which is irradiated with light for recording information therein or reproducing information therefrom. The hologram recording medium has a recording layer made of a photo-sensitive material capable of preserving an optical interference pattern, a reflective layer disposed on one side of the recording layer opposite to the side on which an light beam impinges, and a quarter wavelength plate interposed between the recording layer and the reflective layer.

Hologram recording medium and recording and reproducing system

Growing community of inventors

Saitama, Japan

Michio Sakano