DEVICE AND SYSTEM FOR DETECTING ABNORMALITY OF OPERATION ROUTE

Title:

DEVICE AND SYSTEM FOR DETECTING ABNORMALITY OF OPERATION ROUTE

Document Type and Number:

Japanese Patent JP2001155280

Kind Code:

A

Abstract:

To provide a device and system for detecting the abnormality of an operation route capable of precisely and speedily detecting the abnormality in the case of deviating from a previously set operation route so as to solve the problem of a conventional emergency informing system which does not give information when an operator him/herself is involved in an accident.

In this device for detecting the abnormality of the operation route, the operation route of the operator holding a portable set 2 is registered in a position display server 1 in advance. When positional information from the set 2 is inputted to the server 1 through a base station 3 and a base station controller 4, whether the position of the portable set is deviated from the operation route registered in advance is judged. When it is deviated, the occurrence of abnormality is judged and information on abnormality is given.

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Inventors:

NAKAE SATOSHI
HAMADA TAKAYUKI
YAGI MASAHIRO

Application Number:

JP33444999A

Publication Date:

June 08, 2001

Filing Date:

November 25, 1999

Export Citation:

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Assignee:

HITACHI INT ELECTRIC INC
NIPPON STEEL CORP

International Classes:

G08B25/10; H04B7/26; (IPC1-7): G08B25/10; H04B7/26

Attorney, Agent or Firm:

Nobuhiro Funatsu (1 outside)

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