Hitachi, Ltd.

Hitachi Prosess Computer Engineering, Inc.

Toshiaki Higashihara

Akira Sekine

Keiji Oshima

Toshihiro Hayashi

Yukihiro Oda

Koichi Nishimoto

Kouhei Seki

Electronic information input via an input means is divided into first and second groups e.g. representing information which may not be modified except by a skilled operator, and information which may be modified freely. The information is stored in an information file and display elements are stored in e.g. a related information file. If a request for modification of one of the information elements is input via the input means, a judging means determines, on the basis of controlling information in a controlling information area, whether the information element belongs to the first or second group. If it belongs to the first, a display means displays one of the display elements as e.g. a warning to the operator that the information element may be modified only by a skilled operator. A password system may be provided to identify such a skilled operator.

Electronic information processing method and device for modifying

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Hitachioota, Japan

Toshiaki Higashihara