| 摘要 |
<p>The present invention relates to a body fat measuring equipment using a bioelectric impedance analysis. The present invention provides a body fat measuring equipment, using a bioelectric impedancce analysis, comprising: a current supply circuit; a voltage detection circuit; a conductive electrode plate contacted with a portion of the human body for measuring a impedance of the human body; a microprocessor for calculating body fat based on the measured impedance; an A/D converting circuit for converting a voltage signal detected by the voltage detection circuit into a digital signal and transmitting the digital signal to the microprocessor; data input means for inputting personal information of weight, tallness, sex and so on; and an image display device for display the measured results, wherein the current supply circuit comprises a constant current generating circuit for supplying a constant current to the human body, an alternating current generating circuit for generating a alternating current in a sinusoidal wave form, and a signal mixing circuit for mixing the generated constant current and alternating current and converting the constant current into an alternating current, thereby generating a signal having the sinusoidal wave form to measure the impedance of the human body; and wherein the voltage detection circuit comprises a voltage follower circuit.</p> |
