| 摘要 |
A mechanical watch or similar timepiece for measuring/indicating time is equipped with sensors 102 that measure a value that is affected by the state of the watchs moving parts. The sensor may be for ultrasound created by a piezoelectric transducer 101, light created by LEDs (see Fig. 2) or capacitance between components (see Fig. 3). The measurement may be transmitted to a device 108, such as mobile phone, using known, probably wireless, protocols such as Wi-Fi, Zigbee or Bluetooth. The measurement may then be compared with values previously recorded and stored during a calibration phase for the authentication check. |
