Patent ID: 7680486

Claim:
A sensor network system comprising; a sensor chip which can transmit measurement values by wireless communication; a sensor database which stores the measurement values measured by the sensor chip; a sensor information management unit which manages access to the sensor database; a receiver which receives the measurement values from the sensor chip and accesses the sensor information management unit, via a network; a map database which stores, as map information, data about equipment in which the sensor chip is installed; a map information management unit which manages access to the map database; and a sensor management device which registers a location where the sensor chip is installed in the map database, wherein the sensor management device comprises: a memory which stores a program and data; a CPU which executes the program and controls operation; an ID reading unit which reads identification information assigned to the sensor chip; an own position measuring unit which acquires a present position of the sensor chip; a wireless communication unit which can connect to the network by wireless communication; a sensor information setting unit which inputs and outputs information about the sensor chip; and a display unit and an input unit both of which are controlled by the sensor information setting unit.