Hitachi, Ltd.

Hiroki Furuichi

Akira Ando

Takeo Kitsukawa

Hikari Sakai

A terminal switching apparatus is connected between an information processing apparatus and a plurality of operating terminals for performing on-line operations and at least one spare terminal used in place of an operating terminal at the time of a failure, and relays on-line data therebetween. The terminal switching apparatus includes storage devices provided for the operating terminals and spare terminal, respectively, for storing on-line data including real-time screen data of the operating terminals and the spare terminal, and a control section with which during an on-line processing, the on-line data is stored into the storage device and with which at the time of detection of a failure in an operating terminal, the contents of the storage device for the failing operating terminal are copied into the storage device for the spare terminal so that the spare terminal continues the on-line processing.

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Minami-ashigara, Japan

Hiroki Furuichi