| 摘要 |
PURPOSE: A system for measuring the amount of used power in an electronic device and managing the usage history of the electronic device is provided to calculate all used power during the entire lifetime of an electronic device, thereby determining the amount of consumed power. CONSTITUTION: A CT sensor(110) measures the current amount of a wire wherein the current flows into SMPS(210)s of various electronic devices(200). A power meter(100) enables a user to recognize a current amount measured by the CT sensor. An amplifier(120) amplifies a wavelength which has a special shape which is generated by the current amount wherein the current passes the CT sensor. An ADC(130) converts an analog signal into a digital signal. A MICOM(140) calculates the amount of used power by a program. |
