Intelligent vehicle rollover detection systems and methods are claimed and described. An embodiment may comprise various data sensors to sense various signals and a control circuit to receive the signals. In some embodiments, the control circuit may be adapted to provide a vehicle unstable signal to...http://www.google.com.hk/patents/US7162343?utm_source=gb-gplus-share專利 US7162343 - Intelligent vehicle rollover detection methods and systems
