FIELD: medical information-measurement technology.
SUBSTANCE: according to the first version of the method, two indifferent electrodes are applied onto acupuncture point as well as outside it. Permanent calibrated and variable resistors, connected in series, are connected between measuring and first indifferent electrodes. Resistance of variable resistor is periodically changed with preset frequency within resistance range for which range voltage drop amplitude at permanent calibrated resistor is equal to preset permanent value of voltage. Variable component of voltage is measured measuring and second indifferent electrodes and values of electric-skin resistance is calculated on the base of results of measurement. According to the second version, first variable resistor is additionally connected in series with first variable resistor. Resistance of the second resistor is changed before periodical change in resistance of first variable resistor in such a way that voltage drop at permanent calibrated resistor has to have second selected permanent value. Versions of the devices have measuring and two indifferent electrodes, one or two controlled and permanent calibrated resistors, electron switch, one or two amplifiers and amplitude detectors, voltage module extracting unit, one or two commutators, comparators and multivibrators, one, two or three memory units, reference voltage source and registrar.
EFFECT: improved precision of measurement.
6 cl, 6 dwg
Authors
Dates
2006-01-27—Published
2001-08-23—Filed