Kabushiki Kaisha Toshiba

Fuminori Kishino

Keiji Yamamoto

Akira Sawada

Koichi Ikeda

Taro Shibagaki

Kimito Idemori

Yoshiro Seki

Kouichi Takene

A handover processing system in mobile communication system, implemented in gateway connected to subscriber network including base station in the mobile communication system, public network and IP network and accompanied by movement of radio terminal in the mobile communication system, wherein the gateway comprises line exchanger performing line exchange processing, VoIP connection unit controlling communication function to transmit/receive IP-packetized data to make communication and call control function for the VoIP communication function, handover detector determining whether or not call originating request from the base station is handover call, communication call detector determining whether or not communication source call of handover is present, call information storage unit storing call information, handover source call retriever retrieving handover source call in IP network, and handover processor taking over communication call from communication partner to continue the communication, and performing handover processing of VoIP communication call.

Handover processing system in mobile communication system

To provide an entry control system as well as an entry control method allowing for an easy entry of user, permitting a restriction to persons who have a legitimate right to enter a facility, an illuminating device () emits a modulated visible light signalmodulated by use of a door ID code into a preset illumination range, the modulated visible light signalfrom the illuminating device () is received by a mobile terminal () portable by the user, where it is demodulated for wireless signal transmission, and the door ID code transmitted from the mobile terminal () is received by an authentication device (), which judges whether or not the door ID code is legitimate, and generates an unlock command when the door ID code is judged to be legitimate, and a door () for a facility controlled of entry receives the unlock command from the authentication device (), whereby it is unlocked.

Entry control system and entry control method

Growing community of inventors

Koganei, Japan

Fuminori Kishino