Patent ID: 7873380

Claim:
A method of communication which is performed between a wireless terminal and a base station, the wireless terminal comprising a power source unit, a wireless apparatus, a sensor, an operation unit, and a successive operating unit connected to the power source unit, comprising the steps of: storing a command at the base station for controlling the wireless terminal; operating the successive operating unit by supplying power to the successive operating unit constantly from the power source unit; starting power supply to the wireless apparatus, the sensor, and the operation unit from the power source unit according to repeatedly occurring events by the successive operating unit; measuring data with the sensor, processing the measured data with the operation unit, and transmitting the processed data to the base station with the wireless apparatus; receiving the transmitted data with the base station; transmitting with the base station a first signal indicating that the measured data is received; transmitting with the base station a second signal indicating the command stored at the base station upon transmitting the first signal; and shutting off with the successive operating unit the power supply from the power source unit to all units except for the successive operating unit upon the wireless terminal receiving the first signal and the second signal and executing the command for controlling the wireless terminal.