Patent ID: 7818054

Claim:
A skin impedance attenuation point position evaluating apparatus comprising: a current generating section for generating a current composed of at least one frequency component; an electrode system for applying the current from the current generating section to a plurality of different measurement points on skin by a plurality of electrodes to be arranged on the skin of a living body; current detectors for detecting the currents respectively applied to the plurality of measurement points; a measuring section for measuring the currents detected by the current detectors and a voltage generated in the skin at each of the plurality of measurement points by current application by the electrode system; a frequency analyzing section for performing frequency analysis for both the currents and the voltages measured by the measuring section, and obtaining frequency response of a skin impedance in each of the respective measurement points; a characteristics amount generating section for generating a characteristics amount of the skin impedance in each of the respective measurement points based on the frequency response of the skin impedance in each of the plurality of measurement points that are analyzed by the frequency analyzing section; a determining section for determining a skin impedance attenuation point position based on the characteristics amount in the respective measurement points generated by the characteristics amount generating section; and a display means for displaying the characteristics amount in each of the respective measurement points generated by the characteristics amount generating section and the skin impedance attenuation point position determined by the determining section, wherein said plurality of electrodes includes a first electrode and a plurality of measuring point electrodes so that said application of said output current is performed by concurrently applying the same between said first electrode and each of said measuring point electrodes, wherein said current detectors concurrently detect the currents respectively applied to said measuring point electrodes, and wherein said measuring section includes a second electrode to be arranged on said skin so that the voltage between said second electrode and each of said measuring point electrodes is concurrently detected using a voltage of said first electrode as a reference voltage.