Patent ID: 6898502
Filing Date: 2005-05-24
Classification: E02F,G05B

Abstract:
1. A function changing system of construction machinery comprised of: construction machinery deployed at a construction site and provided with a rewritable storage unit storing control programs or control programs and data 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 construction machinery and transferring information with said control unit, and a database managed by said center server and storing basic control programs and data for each model of construction machinery and control programs and data for operation of said construction machinery; wherein said control unit of said construction machinery and said center server of said base station transfer information by said first and second communications devices and a communications line; when a working mechanism part of said construction machinery is changed, a 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 center server transmits control programs or data or control programs and data corresponding to said content of change to said control unit of said construction machinery; and when receiving said control programs or data or control programs and data, said control unit rewrites the stored content of said storage unit by the received content.