Patent ID: 8106762
Filing Date: 2012-01-31
Classification: G08B,H04M

Abstract:
1. An electrical apparatus with an alarm system, comprising: a power input terminal to provide an operation voltage for operation of the electrical apparatus; and an alarm system connected to the power input terminal to receive the operation voltage, the alarm system comprising: a wireless communication circuit; and a control module connected between the power input terminal and the wireless communication circuit, the control module comprising a voltage dividing resistor, a bias resistor, a battery and a transistor structured and arranged such that when an input power is provided to the power input terminal, the power input terminal provides the operation voltage to the transistor through the voltage dividing resistor and the bias resistor, to turn off the transistor, wherein the wireless communication circuit is in an off-working state, and when no input power is provided to the power input terminal, the transistor is turned on and the battery provides power to the wireless communication circuit such that the wireless communication circuit is in a working state to send an alarm notification.