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System for changing function of work machine and base station

  • US 20030144750A1
  • Filed: 09/30/2002
  • Published: 07/31/2003
  • Est. Priority Date: 03/31/2000
  • Status: Active Grant
First Claim
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1. A function changing system of machinery characterized by being comprised of:

  • machinery deployed at a construction site and provided with a rewritable storage unit storing control programs and/or data required for control of work operation, a control unit for reading out at least control programs from the storage unit to execute the work operation, and a first communications device, and a base station provided with a second communications device, a center server for identifying a serial number of said machinery and transferring information with said control unit, and a database managed by that center server and storing basic control programs and data for each model of machinery and control programs and data for operation of said machinery;

    wherein said control unit of said machinery and said center server of said base station transfer information by said first and second communications devices and a communications line;

    when part of said machinery is changed, the content of the change is given to said control unit and sent by said control unit to said center server of said base station;

    when receiving said content of the change, said management server transmits control programs and/or data corresponding to said content of change to said control unit of said machinery; and

    when receiving said control programs and/or data, said control unit rewrites the stored content of said storage unit by the received content.

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