Abstract: A blood pressure measuring apparatus includes a sensing unit including a plurality of sensors sensing sphygmus waves at a measurement site, a selection unit selecting one sensor of the plurality of sensors based on the sphygmus waves sensed by the plurality of sensors, and a blood pressure estimation unit estimating blood pressure of the measurement site based on a sphygmus wave sensed by the selected sensor.

Abstract: A method of detecting a biosignal includes; measuring a biosignal from a user; band pass filtering the biosignal to each of a first frequency band and/or a second frequency band, and detecting a first frequency band signal and/or a second frequency band signal; calculating a PSD of the first frequency band signal and detecting a frequency band signal with a maximum PSD in the first frequency band as a heartbeat signal of the user; and calculating a PSD of the second frequency band signal and/or detecting a frequency band signal with a maximum PSD in the second frequency band as a respiration signal of the user.

Abstract: Provided are a method and apparatus for correcting an error in blood pressure measurement. In a method of correcting an error in a measured blood pressure, the error in the measured blood pressure, which is measured at a first site of a first body is calculated based on a correlation between a shape of a sphygmogram measured at a first body part and a difference between blood pressure measured at a first body part and blood pressure measured at a second body part, and the blood pressure measured at a first site of a first body is corrected using a calculated error.

Abstract: A portable body fat measurement device includes: a light source unit having at least two top view light sources and a guide unit perpendicularly guiding an optical signal generated in the top view light sources to determine a measurement point where body fat is measured; an optical detection unit detecting a scattered optical signal to transform into an electrical signal, the scattered optical signal being generated by a scattering of the optical signal irradiated to the measurement point; and a signal processing unit processing the electrical signal and calculating body fat information, wherein the at least two top view light sources and the optical detection unit are horizontally arranged.

Abstract: A body-temperature measuring device is provided. The device includes: a pad which is attachable to and detachable from a human body; a battery which is provided to the pad and includes a pair of battery terminals for supplying power; and a temperature sensing block which is attached to and detached from the pad and comprises units for contacting the human body to sense temperature and wirelessly transmitting a temperature sensing signal corresponding to the sensed temperature and a pair of connecting terminals which are electrically connected to the battery terminals only when attached to the pad, and a body-temperature measuring system including one or more of the body-temperature measuring devices and a receiver which receives the wirelessly transmitted temperature sensing signal, measures the temperature by using the received signal, and informs of a result of measuring the temperature.

Abstract: An apparatus and method which detects a blood-pressure measurement site. The apparatus for detecting a site of a body to measure blood pressure includes a sensing unit for sensing pressures applied to a blood vessel of a site of the body, a calculation unit for calculating a waveform representing the sensed pressure, and a determination unit for determining whether the site is the optimal site.

Abstract: Provided is a blood pressure measuring apparatus and a method of measuring blood pressure. The blood pressure measuring apparatus includes a plurality of blood pressure measuring units disposed on a substrate, a plurality of optical sensors disposed on the substrate to correspond to the blood pressure measuring units, and a control unit that measures blood pressure by analyzing signals received from the optical sensors and the blood pressure measuring units, wherein each of the blood pressure measuring units comprises a plurality of blood pressure sensors.

Abstract: A pressurizing apparatus includes a lower frame and an upper frame. A first end of the upper frame may be hinged to the lower frame at a rotation axis, and a second end of the upper frame may be rotated about the rotation axis by an actuator. A pressurizing unit may be combined to the upper frame in such a way that the pressurizing unit is rotatable relative to the upper frame. When the actuator rotates the second end of the upper frame, the pressurizing unit pressurizes an object to be pressurized.

Abstract: A circuit and method for compensating for an electrode motion artifact in which the electrode motion artifact is generated because impedance between a subject and a measuring electrode changes during measurement of the subject's biosignal, and the electrode motion artifact can be differentially measured and an electrocardiogram signal can be compensated by introducing a predetermined voltage or an electric current to the subject. A circuit and method for compensating electrode motion artifact, which can differentially measure the difference information between impedance components by introducing a predetermined voltage or electric current to a subject, in association with the electrode motion artifact. In this instance, the impedance component is a component of electrode motion artifact and the electrode motion artifact is generated when measuring a biosignal.

Abstract: A tact switch module is provided. The tact switch module includes a tact switch to control a driving voltage to be supplied to a power supply by sensing an ON input by a user; and a power control unit having a power input port which is connected to the power supply and a power output port to output a first voltage when power is supplied to the power input port, wherein the driving voltage triggers the power supply to output the power, and the power supply supplies the power to the power input port while the first voltage is supplied from the power output of the power control unit.

Abstract: A body-temperature measuring device is provided. The device includes: a pad which is attachable to and detachable from a human body; a battery which is provided to the pad and includes a pair of battery terminals for supplying power; and a temperature sensing block which is attached to and detached from the pad and comprises units for contacting the human body to sense temperature and wirelessly transmitting a temperature sensing signal corresponding to the sensed temperature and a pair of connecting terminals which are electrically connected to the battery terminals only when attached to the pad, and a body-temperature measuring system including one or more of the body-temperature measuring devices and a receiver which receives the wirelessly transmitted temperature sensing signal, measures the temperature by using the received signal, and informs of a result of measuring the temperature.

Abstract: A method for testing accuracy of blood pressure measurement in a blood pressure monitoring apparatus includes calculating a difference between measured blood pressures of a user measured at two or more measurement points, calculating a difference between hydrostatic pressures of blood estimated at the two or more measurement points, and calculating an error of the measured blood pressures.

Abstract: Provided are a pressurizing module and a blood pressure measuring device including the pressurizing module. The pressurizing module includes a driving block optionally discharging compressed air; and a bellows-type airbag formed to overlap with the driving block, and comprising an inner space accommodating the compressed air discharged from the driving block, a plurality of wrinkles flattened so as to expand the inner space, and a pressurizing surface formed at an end portion of the wrinkles and spaced apart from the driving block as the inner space expands.

Abstract: An apparatus for integrally processing a plurality of biologic signals includes a first signal processing module and a second signal processing module. The first processing module generates a signal for operating a sensing module, which includes a plurality of sensor groups which measures the plurality of biologic signals, and which processes a biologic signal provided from the plurality of sensor groups based on a control signal. The second signal processing module authenticates a sensor group from among the plurality of sensor groups, generates the control signal according to a result of the authentication while automatically setting a processing condition, processes the biologic signal provided from the first signal processing module according to the processing condition and outputs a result of processing the biologic signal.

Abstract: Provided are an apparatus and method for measuring blood pressure.

Abstract: A circuit and method for compensating for an electrode motion artifact in which the electrode motion artifact is generated because impedance between a subject and a measuring electrode changes during measurement of the subject's biosignal, and the electrode motion artifact can be differentially measured and an electrocardiogram signal can be compensated by introducing a predetermined voltage or an electric current to the subject. A circuit and method for compensating electrode motion artifact, which can differentially measure the difference information between impedance components by introducing a predetermined voltage or electric current to a subject, in association with the electrode motion artifact. In this instance, the impedance component is a component of electrode motion artifact and the electrode motion artifact is generated when measuring a biosignal.

Abstract: An electrode for measuring an electrocardiogram. The electrode comprises a signal detector operable to detect an electrocardiogram signal. An electrolytic gel is coated onto a first surface of the signal detector. The gel is electrically conductive and operable to adhere to a skin. A connector is electrically connected to the signal detector.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: A method of measuring blood pressure includes measuring a characteristic of body fat of a measured body part, detecting a sphygmus wave and a pressure of a blood vessel of the measured body part, detecting a base blood pressure of the measured body part based on a result of the detecting the sphygmus wave and the pressure of the blood vessel of the measured body part, and detecting a continuous blood pressure using a blood pressure calibration. The blood pressure calibration uses the base blood pressure and a blood pressure calculation regression equation including the characteristic of the body fat.