Apparatus, methods and computer-code are disclosed where an impending decoupling between a peripheral device and a host is detected. In some embodiments, in response to the detected impending disconnection, a user alert signal is generated. In some embodiments, an ‘onboard detector’ that is associated...http://www.google.com.hk/patents/US7996579?utm_source=gb-gplus-share專利 US7996579 - Apparatus, methods, and computer-code for handling an impending decoupling between a peripheral device and a host device
