Title:
鉱山機械の動態管理システム
Document Type and Number:
Japanese Patent JP5535176
Kind Code:
B2
Abstract:
An information collection device transmits a position information request command for requesting transmission of position information of a dump truck at a predetermined point in time via a second wireless communication device and determines a state of at least one of the dump truck, a relay that relays communication from a first wireless communication device included in the dump truck to the second wireless communication device, and a travel route of the dump truck based on a response to the position information request command.
Inventors:
Itoi Takashi
Sada Tanicho
Fukusu Hisataka
Takahiro Ueda
Sada Tanicho
Fukusu Hisataka
Takahiro Ueda
Application Number:
JP2011242845A
Publication Date:
July 02, 2014
Filing Date:
November 04, 2011
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E02F9/20; E02F9/26; H04Q9/00
Domestic Patent References:
| JP2003046423A | ||||
| JP2004186766A | ||||
| JP2008074163A | ||||
| JP7211464A |
Attorney, Agent or Firm:
Hiroaki Sakai