Electronic information processing method and device for modifying electronic information without losing high quality thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5293462
SERIAL NO

07496303

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • HITACHI, LTD.;HITACHI PROCESS COMPUTER ENGINEERING, INC.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Toshihiro Hitachi, JP 87 838
Higashihara, Toshiaki Hitachioota, JP 1 2
Nishimoto, Koichi Hitachi, JP 5 8
Oda, Yukihiro Katsuta, JP 3 47
Oshima, Keiji Katsuta, JP 6 238
Seki, Kouhei Hitachi, JP 1 2
Sekine, Akira Hitachioota, JP 19 64

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