Patent ID: 7162347

Claim:
A construction machine management system, for managing construction machines in such a way as to permit operations of construction machines only under specified working conditions while inhibiting operations of said construction machines when not in agreement with said specified working conditions, said system comprising: working condition setup means adapted to set up working conditions for each one of said construction machines, said working conditions including a working time zone in addition to a geographical working area; a memory means for storing the working conditions set up by said working condition setup means; a status checkup means adapted to check for current status of each one of said construction machines against both of said geographical working area and working time zone specified by said setup working conditions at predetermined time intervals including rest time periods; an operation inhibiting means adapted to inhibit operation of a construction machines when in a state incongruent with said setup working conditions with regard to both of said working area and working time zone, while permitting operation of said construction machines when satisfying both of said working area and working time zone of said working conditions; and a communication means adapted to report said management center current position and time of a construction machine as soon as operation of said construction machine is inhibited by said operation inhibiting means.