| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless IC for wireless IC network in which the operating time is prolonged while reducing the maintenance cost by supplying power automatically. <P>SOLUTION: A first wireless IC1A for wireless IC network is a wireless IC having a wireless communication function and a function for configuring a wireless network autonomously and comprises a feed antenna 15 for catching electromagnetic wave noise, a section 17 for rectifying the electromagnetic wave noise caught by the feed antenna 15, a battery 18 for storing the current obtained from the rectifying section 17, a section 25 for measuring the voltage of the battery 18, a quantity of accumulation of electricity calculating section 19 for acquiring the information about the voltage of the battery 18 required for calculating the quantity of accumulation of electricity of the battery 18, and a communication antenna 21 for transmitting predetermined information from the quantity of accumulation of electricity calculating section 19 to an external apparatus. <P>COPYRIGHT: (C)2008,JPO&INPIT |
