Patent ID: 7493112

Claim:
A portable telephone-compatible construction machine comprising: a control device; a sensor that is connected to the control device; a storage unit that stores data related to operation information based upon a detection output from the sensor, and data to be overwritten that is used for controlling of the construction machine, is data to be overwritten according to a nature of work which the construction machine undertakes, and can be overwritten with data from a portable telephone, the portable telephone comprising: a selection device that selects either a telephone mode in which normal telephone processing is executed or a data output mode in which data are output to the control device of the construction machine, a data input/output device that is connected with the control device of the construction machine via wireless communication or a cable, inputs the data to be overwritten from the control device of the construction machine, and outputs the data having been overwritten to the control device of the construction machine in the data output mode, a display unit at which the data to be overwritten input from the control device of the construction machine are displayed in the data output mode, and an operation unit that is operated to enter telephone numbers in the telephone mode and is operated to overwrite the data to be overwritten displayed at the display unit in the data output mode; and a transmission/reception device that transmits data to the portable telephone and receives data from the portable telephone, via wireless communication or a cable, wherein the control device transmits the data related to operation information and the data to be overwritten stored in the storage unit to the portable telephone via the transmission/reception device, and overwrites the data to be overwritten stored in the storage unit with the data to be overwritten having been overwritten and having been received.