Abstract: An assembly for measuring bio-information includes a finger contact interface configured to move based on a contact force applied by a finger of a user to the finger contact interface; a bio-sensor configured to measure the bio-information of the user based on the finger being in contact with the finger contact interface; a force sensor configured to measure the contact force of the finger applied to the finger contact interface; and a support configured to guide movement of the finger contact interface and support the force sensor against the finger contact interface.

Abstract: Provided i an apparatus configured to estimate an optical-based force, the apparatus including a main body, a cover disposed at a first side of the main body and configured to contact an object, a support part connected to two sides of the cover, supporting the cover, and protruding toward an inside of the main body, and an optical sensor disposed on the support part, the optical sensor including a light source configured to emit light onto a reflector, a detector configured to detect light reflected from the reflector, and a circuit unit configured to estimate a contact force of the object based on the detected light.

Abstract: An apparatus for estimating bio-information, may include: a main body; a photoplethysmogram (PPG) sensor disposed in the main body and configured to measure a PPG signal from an object of a user; an internal pressure sensor disposed in a closed space formed in the main body, and configured to measure a pressure applied to the closed space when the object applies force to a surface of the main body; and a processor configured to estimate the bio-information of the user based on the PPG signal and the pressure applied to the closed space.

Abstract: An apparatus for estimating blood pressure includes: a sensor, and a processor configured to estimate blood pressure based on a PPG signal and a contact pressure signal measured by the sensor. The sensor includes: a transparent elastic body; a first polarizing film provided on a surface of the transparent elastic body and configured to come into contact with the object; a light source provided under the transparent elastic body and configured to emit light toward the object; a first detector and a second detector provided under the transparent elastic body and configured to detect light, passing through the first polarizing film after being emitted by the light source and scattered or reflected from the object, to measure the PPG signal; and a second detector provided under the transparent elastic body and configured to detect light, not passing through the first polarizing film, to measure the contact pressure signal.

Abstract: An apparatus for estimating bio-information, may include: a sensor part having a photoplethysmography (PPG) sensor configured to measure a PPG signal from an object of a user, and a force sensor configured to measure a contact force between the object and the PPG sensor; an output interface, which before the PPG signal is measured, is configured to output first guide information indicating a predetermined number of times the user is required to touch the sensor part, and second guide information indicating a number of times that the sensor part has been touched since the first guide information is output; and a processor configured to estimate bio-information of the user by using the PPG signal based on the number of times that the sensor has been touched since the first guide information is output, corresponding to the predetermined number of times the user is required to touch.

Abstract: An apparatus for measuring bio-signals is provided. According to an example embodiment, the apparatus for measuring bio-signals includes: a light source configured to emit light onto an object; an image sensor including: a pixel array configured to detect the light emitted by the light source and reacted by the object and a pixel binning unit configured to bin data of the light, detected by the pixel array, by using at least two different binning sizes; and a processor configured to acquire a plurality of bio-signals respectively based on data of the at least two different binning sizes, which are output from the image sensor.

Abstract: An apparatus for estimating biological information may include a sensor configured to detect a first light signal and a second light signal from an object of a user and a processor configured to determine whether a condition for estimating biological information is satisfied based on the detected first light signal and estimate biological information based on the second light signal, wherein the sensor includes a force sensor configured to measure a force applied to the object when the object is in contact with a cover surface of the sensor.

Abstract: An apparatus for measuring bio-information includes: a light source including a first light emitter that emits first light of a first wavelength, and a second light emitter that emits second light of a second wavelength; an image sensor including a first pixel region including first pixels that detect the first light reacted with an object, and a second pixel region including second pixels that detect the second light reacted with the object; a light source controller that controls the first light emitter to emit the first light of the first wavelength when a first light exposure operation is performed on the first pixels, and controls the second light emitter to emit the second light of the second wavelength when a second light exposure operation is performed on the second pixels; and a processor that obtains a bio-signal of the object from data detected by the image sensor.

Abstract: An assembly for measuring bio-information includes a finger contact interface configured to move based on a contact force applied by a finger of a user to the finger contact interface; a bio-sensor configured to measure the bio-information of the user based on the finger being in contact with the finger contact interface; a force sensor configured to measure the contact force of the finger applied to the finger contact interface; and a support configured to guide movement of the finger contact interface and support the force sensor against the finger contact interface.

Abstract: An electronic device may a main body; a sensor part disposed on a side of the main body; and a processor configured to control a display to display a first graphical object related to a contact state of a finger based on information related to the contact state of the finger received from the sensor part before measurement of a bio-signal; and control the display to display a second graphical object related to a contact force of the finger based on information related to the contact force of the finger received from the sensor part during measurement of the bio-signal.

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 method and device to monitor and analyze a biosignal are provided. The device may measure a biosignal from a user of the device, analyze an emotion event associated with the user of the device based on the biosignal, and generate a control command in response to a result of analyzing the emotion event. The generated control command may be used to control an external device.

Abstract: A bio impedance measurement apparatus includes a current applicator configured to provide, to terminals contacting a body, a current based on a first control signal, and a modulator configured to modulate a voltage generated as the current flows through the body, based on a second control signal. The apparatus further includes an amplifier configured to amplify the modulated voltage, and a demodulator configured to demodulate the amplified voltage based on a third control signal.

Abstract: An apparatus of processing a signal or a biosignal, and a method of processing a signal or a biosignal are provided. The method of processing signal involves receiving a first reference signal having a frequency component of a measurement signal to be applied to a subject, receiving a second reference signal having a frequency component within a frequency bandwidth of an amplifier, and converting a first signal measured from the subject to a second signal within the frequency bandwidth of the amplifier, based on the first reference signal and the second reference signal.

Abstract: A bioelectric signal measurement apparatus includes a first interface configured to detect a bioelectric signal of a testee through electrical interfacing with a skin of the testee; a second interface configured to detect a signal different from the bioelectric signal through electrical interfacing with the skin, the second interface electrically interfacing with the skin in a state that is different from a state in which the first interface electrically interfaces with the skin; and a signal processor configured to remove, from the detected bioelectric signal, a motion artifact between the first interface and the skin using the detected signal different from the bioelectric signal.

Abstract: A biosignal measuring apparatus and a method of measuring a biosignal is provided. A biosignal measuring apparatus includes a first interfacing unit including two or more first interfaces configured to detect first signals from a subject, a second interfacing unit including two or more second interfaces and a connecting unit, the second interfaces being configured to detect noise from the subject, the connecting unit being configured to connect the second interfaces, and a biosignal extracting unit configured to extract a biosignal of the subject from the first signals by using signals output from the second interfacing unit.

Abstract: A biosignal apparatus is described including an amplifier and a sampler. The amplifier is configured to alternate between an operating state and a low power state based on a periodically changing control signal. The sampler is configured to sample a signal output from the amplifier in response to the amplifier being in the operating state and maintain the sampled signal in response to the amplifier being in the low power state.

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 signal processing apparatus includes a first electrical signal generator configured to generate a first electrical signal, a second electrical signal generator configured to generate a second electrical signal based on a voltage signal output from a variable impedance unit, and a multiplexer configured to selectively supply the first electrical signal and the second electrical signal to the variable impedance unit.

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.