Hitachi, Ltd.

Yukio Sagawa

Setsuo Arita

Satoru Ito

Nao Saito

Kazunori Ayabe

A communication system in trains comprises a control data communication deviceand an image data communication deviceinstalled in each of the cars. The control data communication devicetransmits train operation information, train location information, control instructions of train-mounted apparatuses, and the like. The image data communication devicetransmits image information such as moving images and still images, audio information such as in-train announcement, textual information for caption display, and operation log information of apparatuses, which form the contents, to a display unitinstalled in each of the cars and to apparatusessuch as a telephone. The display unitswitches the display on the screen in accordance with train control information transmitted from the control data communication devicethrough the image data communication device

Growing community of inventors

Chigasaki, Japan

Yukio Sagawa