| 摘要 |
An array (20) of RFID sensing elements (10) is disposed on a surface of a mat, wherein each sensing element includes an RFID microchip (18), an antenna (14) operatively coupled to the microchip, and a pressure-sensitive material disposed on at least the antenna. An RFID reader (30) is provided for interrogating the array of sensing elements. An antenna (24) operatively coupled to the reader communicates with each sensing element disposed on the mat. Each sensing element in the array, in response to an interrogation signal, transmits a signal to the reader via the coupled antenna when a subject placed on the mat compresses the section of pressure-sensitive material for the sensing element. |
