| 摘要 |
<p>A sensor system (1000) comprises a tag (100). The tag comprises a sensor (110), an analog to digital converter (120), a passive radio-frequency chip (130), and an antenna (140). The sensor (110) provides an output analogous to a change in the environment of the sensor. The analog to digital converter (120) converts the analog output of the sensor to a digital value. The chip (130) comprises a memory element, input terminals and output terminals. The antenna (140) is connected to the output terminals of the chip (130).</p> |
