Kabushiki Kaisha Toshiba

Toshiba Corporation

Michio Kanayama

Kenji Yoshida

Toshihisa Nabetani

Ren Sakata

Shinsuke Watanabe

Noritaka Deguchi

Junko Yamamoto

Masakuni Akashi

Mitsuaki Suzuki

Shuji Sato

Yasuhiro Terakado

According to one embodiment, a wireless terminal communicates with a server via wireless base stations. The wireless terminal has devices which transmit a signal in a normal-power transmission mode and the signal in a low-power transmission mode, a power control device which switches the normal-power transmission mode to the low-power transmission mode, or vice versa, and a device which transmits current position data to the server. The server detects the position of the wireless terminal, designates one of the base stations which is close to the wireless terminal, when the wireless terminal is set to the low-power transmission mod, and detects whether the base station designated has a problem or not according to detect the signal from the wireless terminal.

Wireless communication system and wireless communication apparatus, both for use in broadcast wireless transmission

A train control device includes a first acquisition unit for acquiring a change history of open block numbers as the number of blocks existing between a present train and a leading train, a setting unit for setting a brake pattern having a starting point coinciding with an end point of a block existing just behind a block occupied by the leading train, and a calculating unit for calculating a time taken for the leading train to come out from the block existing just behind the block occupied by the leading train and for calculating, as a target speed, the highest speed available within a range not conflicting with the brake pattern.

Train control device having a target speed calculation function

Growing community of inventors

Tokyo, Japan

Michio Kanayama