Abstract: A wearable measurement apparatus capable of measuring a biometric signal is provided. The wearable measurement apparatus includes a main body, and a main-body elastic part disposed on a bottom surface of the main body, and configured to elastically support the main body against a body part of a user. The wearable measurement apparatus further includes a biometric signal sensor disposed apart from the main-body elastic part, and configured to detect a biometric signal from the body part, and a sensor elastic part interposed between the main body and the biometric signal sensor, and configured to form a step difference between a bottom surface of the biometric signal sensor and a bottom surface of the main-body elastic part, and elastically support the biometric signal sensor against the main body.

Abstract: An apparatus for measuring bio-information may include: a pulse wave sensor comprising at least one pair of light emitters which are disposed apart from each other and a light receiver disposed between the at least one pair of light emitters, and configured to measure a plurality of pulse wave signals from an object by using the light receiver and the at least one pair of light emitters; a force sensor configured to measure a contact force that is applied to the pulse wave sensor by the object; and a processor configured to generate an integrated pulse wave signal by integrating the plurality of pulse wave signals based on the contact force and an area of a contact surface of the pulse wave sensor, and estimate bio-information of the object based on the integrated pulse wave signal.

Abstract: An apparatus and a method for charging a wearable device is provided. The apparatus for charging a wearable device may include a power receiver disposed in the wearable device and configured to receive power and supply the power to the wearable device; a connector configured to comprise a first magnet and a magnetic member, wherein the first magnet is electrically connected to the power receiver through the magnetic member while the first magnet is attached to the power receiver by a first magnetic force; and a power supply configured to supply the power to the power receiver via the connector.

Abstract: A bio-signal measuring apparatus may include: a finger contact surface configured to be in contact with a finger of a user; an optical sensor configured to be disposed underneath the finger contact surface and sense a light when the light is reflected from the user; and a texture area formed on the finger contact surface at a boundary of the optical sensor, and configured to provide a texture different from a texture of a remaining area of the finger contact surface other than the texture area, so as to allow the user to feel a tactile sensation from the texture area when the finger is in contact with the finger contact surface.

Abstract: An apparatus for estimating bio-information of an object of interest may include a processor configured to obtain a plurality of pulse wave signals of an object via a plurality of channels, determine a plurality of oxygen saturation values corresponding to the plurality of channels based on the plurality of pulse wave signals, select a channel to be used for estimating the bio-information of the object of interest from among the plurality of channels based on the plurality of oxygen saturation values, and estimate the bio-information of the object of interest based on a pulse wave signal corresponding to the selected channel.

Abstract: An antioxidant sensor according to an aspect of the disclosure includes: a touch sensor; a light source configured to emit light of a predetermined wavelength onto an object touching the touch sensor; a light receiver configured to receive light returning from the object; and a processor configured to extract an image of a contact surface of the object based on a sensor value of the touch sensor, to analyze the extracted image of the contact surface, and to obtain an antioxidant signal of the object by driving the light source based on a result of analyzing the image of the contact surface.

Abstract: An apparatus for estimating bio-information based on pulse wave signals of multiple wavelengths is disclosed. The bio-information estimating apparatus may include: a sensor part comprising a pulse wave sensor configured to measure a multi-wavelength pulse wave signal at a first point in time when a first pressure is applied from an object to the sensor part and at a second point in time when a second pressure is applied from the object to the sensor part; and a processor configured to estimate bio-information based on a difference between the multi-wavelength pulse wave signal measured at the first pressure and the multi-wavelength pulse wave signal measured at the second pressure.

Abstract: A bio-signal acquiring apparatus includes a sensor part and a signal processor. The sensor part includes a bio-signal sensor, a load sensor, and an ultrasonic sensor array, the bio-signal sensor configured to detect a bio-signal of an object that comes into contact with the sensor part, the load sensor configured to detect a contact load of the object, and the ultrasonic sensor array configured to detect contact load distribution of the object. The signal processor is configured to obtain a contact load of the object at a region of interest based on the contact load and the contact load distribution, and configured to output the contact load of the object at the region of interest and the bio-signal.

Abstract: An apparatus for measuring blood pressure includes: a pulse wave measurer including a first light source configured to emit a first light, a second light source configured to emit a second light, and a photodetector configured to measure a pulse wave signal of an object based on the first light emitted by the first light source onto the object and returning from the object; a force measurer configured to measure a contact force between the object and the pulse wave measurer; and a processor configured to control emission of the second light from the second light source based on the measured contact force, and configured to estimate blood pressure of the object based on the measured pulse wave signal and the measured contact force.

Abstract: An apparatus for measuring a bio-signal includes a pulse wave sensor that may measure a pulse wave signal, of an object of interest, that is non-equidistantly sampled based on a sampling rate of the pulse wave sensor, and a processor that may identify, using a sampling profile, a first interval based on a health index to be measured. The processor may identify, using the sampling profile, a second interval based on the health index to be measured. The processor may set the sampling rate of the pulse wave sensor to a first sampling rate in the first interval. The processor may set the sampling rate of the pulse wave sensor to a second sampling rate, that is less than the first sampling rate, in the second interval.

Abstract: An apparatus for obtaining bio-information may include a pulse wave sensor including a light source and a detector. The light source is configured to emit multi-wavelength light to an object of interest and the detector is configured to detect light reflected from the object. In addition, the apparatus may include a processor configured to obtain a change in volume of a blood vessel based on one or more of quantity of detected multi-wavelength light and absorbance coefficients of respective wavelengths of the multi-wavelength light and obtain bio-information based on the measured change in volume of the blood vessel.

Abstract: A bio-electrode for measuring a biosignal of a user and an apparatus and method for processing a biosiginal including the bio-electrode are disclosed. The bio-electrode may include a first electrode to measure a biosignal of a user, an initial second electrode to measure a motion signal corresponding to a motion artifact included in the biosignal, and a support member to support the first electrode and the second electrode in proximity to the user. The biosignal may be processed to improve the quality of the biosignal by using the motion signal.

Abstract: A bio-signal measurement apparatus may include a first substrate and a second substrate, an optical sensor mounted in the first substrate, a force sensor disposed on or below the first substrate, and a separation structure interposed between the first substrate and the second substrate so as to prevent transmission of a force between the first substrate and the second substrate. An upper surface of the first substrate and an upper surface of the second substrate may be provided at the same level.

Abstract: A dietary habit management apparatus and method are provided. The dietary habit management apparatus includes a bio-signal acquirer configured to acquire a bio-signal of a user, and a processor configured to obtain a total peripheral resistance (TPR) reflected index, from the bio-signal that is acquired by the bio-signal acquirer, and determine whether the user has eaten food, based on the TPR reflected index.

Abstract: A bio-signal measuring apparatus includes: a substrate; a pulse wave measurer provided at the substrate and configured to measure pulse waves of a subject; and a pressure measurer provided at the substrate and configured to measure a contact pressure between the subject and the pulse wave measurer.

Abstract: A bio-information processing apparatus may include: a bio-signal measurer configured to measure a bio-signal; a bio-information receiver configured to receive first bio-information; and a processor configured to estimate second bio-information based on the bio-signal, and to correct the second bio-information based on measurement circumstances of the first bio-information and the second bio-information.

Abstract: A method of calculating an amount of exercise performed includes measuring noise based on a relative difference in displacement between a skin of a user and a sensor attached to the skin of the user, and determining a number of steps taken by the user based on the measured noise.

Abstract: A body sensor, a system including the body sensor and a method of transmitting a biosignal are provided. A wearable body sensor includes a conductive electrode configured to conduct a biosignal from a body, a main board comprising a radio frequency (RF) communication circuit to generate an RF signal based on the biosignal, and an antenna disposed on the RF communication circuit to radiate the RF signal.

Abstract: An apparatus and a method for charging a wearable device is provided. The apparatus for charging a wearable device may include a power receiver disposed in the wearable device and configured to receive power and supply the power to the wearable device; a connector configured to comprise a first magnet and a magnetic member, wherein the first magnet is electrically connected to the power receiver through the magnetic member while the first magnet is attached to the power receiver by a first magnetic force; and a power supply configured to supply the power to the power receiver via the connector.

Abstract: A body sensor, a system including the body sensor and a method of transmitting a biosignal are provided. A wearable body sensor includes a conductive electrode configured to conduct a biosignal from a body, a main board comprising a radio frequency (RF) communication circuit to generate an RF signal based on the biosignal, and an antenna disposed on the RF communication circuit to radiate the RF signal.