Title:
CONSTRUCTION MACHINE MANAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2001/073225
Kind Code:
A1
Abstract:
A construction machine managing system comprising a receiver provided at a place remote from construction machines and adapted to receive information concerning the working hours of the construction machines and transmitted from the construction machines and a judging device for judging on the basis of the received working hours if any overworking construction machine is present.
Inventors:
ADACHI HIROYUKI (JP)
HIRATA TOICHI (JP)
SUGIYAMA GENROKU (JP)
WATANABE HIROSHI (JP)
SHIBATA KOICHI (JP)
KOMATSU HIDEKI (JP)
HIRATA TOICHI (JP)
SUGIYAMA GENROKU (JP)
WATANABE HIROSHI (JP)
SHIBATA KOICHI (JP)
KOMATSU HIDEKI (JP)
Application Number:
PCT/JP2001/002816
Publication Date:
October 04, 2001
Filing Date:
March 30, 2001
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
ADACHI HIROYUKI (JP)
HIRATA TOICHI (JP)
SUGIYAMA GENROKU (JP)
WATANABE HIROSHI (JP)
SHIBATA KOICHI (JP)
KOMATSU HIDEKI (JP)
ADACHI HIROYUKI (JP)
HIRATA TOICHI (JP)
SUGIYAMA GENROKU (JP)
WATANABE HIROSHI (JP)
SHIBATA KOICHI (JP)
KOMATSU HIDEKI (JP)
International Classes:
E02F9/20; G07C3/08; G07C5/00; (IPC1-7): E02F9/20
Foreign References:
| JPH1165645A | 1999-03-09 | |||
| JP2000027236A | 2000-01-25 | |||
| JPH10308983A | 1998-11-17 | |||
| EP0989525A2 | 2000-03-29 |
Other References:
See also references of EP 1273722A4
Attorney, Agent or Firm:
Nagai, Fuyuki (Kasumigaseki Chiyoda-ku Tokyo, JP)
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