Abstract: A grip-type blood pressure measuring apparatus and a method of operating the apparatus are provided. The grip-type blood pressure measuring apparatus may include a pulse wave measuring sensor array comprising a plurality of pulse wave measuring sensors that are spaced apart from each other at a predetermined interval; and a blood pressure measurer configured to select a first pulse wave and a second pulse wave from among a plurality of pulse waves measured by the plurality of pulse wave measuring sensors, analyze the selected first pulse wave and second pulse wave, and determine a blood pressure based on an analysis result of the first pulse wave and the second pulse wave.

Abstract: A bio-information measuring apparatus includes: a pulse wave measurer configured to measure a plurality of pulse wave signals from an object; a contact pressure measurer configured to measure contact a pressure between the object and the pulse wave measurer; and a processor configured to obtain a plurality of first envelopes based on the contact pressure and the plurality of pulse wave signals, obtain a second envelope by combining the plurality of first envelopes, and measure bio-information based on the second envelope.

Abstract: An apparatus and method of removing common mode noise in the case of measuring a biosignal using a capacitive coupling active electrode (CCE) is provided. A frequency band of a common mode signal may interact with a shield voltage and thus, a frequency band of a biosignal may be compensated for.

Abstract: A blood pressure measuring apparatus according to an aspect of the present invention includes: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user; a contact force measurer including at least three force sensors and configured to measure a contact force between the touch sensor and the user by using the at least three force sensors; a contact area measurer configured to measure a contact area between the user and the touch sensor; and a processor configured to determine a vertical direction error, which indicates a degree of deviation of a direction of force, applied by the user to press the touch sensor, from a vertical direction to a surface of the touch sensor based on sensor values sensed by the at least three force sensors, and estimate blood pressure according to a determination result of the vertical direction error based on the pulse waves, the contact force, and the contact area.

Abstract: A blood pressure measuring apparatus, may include: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user's finger when the user's finger is in contact with the touch sensor; a contact pressure measurer configured to measure a contact pressure between the user's finger and the touch sensor; a fingerprint recognizer configured to recognize a fingerprint of the user's finger; and a processor configured to determine a degree of position coincidence between the user's finger and the pulse wave measurer based on the recognized fingerprint, and to estimate a blood pressure of the user based on the pulse waves and the contact pressure according to the determined degree of position coincidence.

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: An apparatus for measuring bio-information includes a pulse wave sensor configured to emit light having a plurality of wavelengths onto an object, and to detect a multi-wavelength pulse wave signal from the object; and a processor configured to obtain a contact pressure signal based on the multi-wavelength pulse wave signal, the contact pressure signal indicating a pressure between the object and the pulse wave sensor, and to generate information regarding a measurement state of the object based on the contact pressure signal.

Abstract: An apparatus for estimating cardiovascular information includes: a main body; and a strap connected to the main body and formed to be flexible to be wrapped around an object, wherein the main body may include: a pulse wave measurer configured to measure, from the subject, a first pulse wave signal by using a first light of a first wavelength, and a second pulse wave signal by using a second light of a second wavelength, the first wavelength being different from the second wavelength; a contact pressure measurer configured to measure a contact pressure between the object and the pulse wave measurer; and a processor configured to extract a cardiovascular characteristic value based on the first pulse wave signal, the second pulse wave signal, and change in the contact pressure, and estimate cardiovascular information based on the extracted cardiovascular characteristic value.

Abstract: An apparatus for measuring bio-information includes a pulse wave measurer configured to measure a pulse wave signal from a first region of an object; a contact pressure extractor including a touch screen and configured to obtain a contact pressure signal, indicating a contact pressure between the first region and the pulse wave measurer, based on touch data that is generated based on a second region of the object being in contact with the touch screen; and a processor configured to measure bio-information of the object based on the pulse wave signal and the contact pressure signal.

Abstract: An apparatus for measuring bio-information in a non-invasive manner includes: a pulse wave sensor configured to measure a plurality of pulse wave signals having different wavelengths from an object; a contact pressure sensor configured to measure contact pressure of the object while the plurality of pulse wave signals are measured; and a processor configured to obtain an oscillometric waveform based on the contact pressure and the plurality of pulse wave signals having the different wavelengths, and obtain bio-information based on the oscillometric waveform.

Abstract: An apparatus for measuring biometric information is provided. The apparatus may include: a main body configured to be worn on an object to be examined. The main body may include a contact pressure sensor configured to measure a contact pressure of the object while a hand shape is changing; a pulse wave sensor configured to measure a pulse wave signal of the object; and a processor configured to measure biometric information on the basis of the measured contact pressure and pulse wave signal.

Abstract: A blood pressure measuring apparatus includes a sensor configured to acquire a user image of a user, and a processor configured to determine, based on the user image, relative position information of a blood pressure measuring point of the user, the relative position information including a distance between a reference point of the user and the blood pressure measuring point, and measure a blood pressure of the user by correcting an effect of a hydrostatic pressure on the blood pressure, based on the relative position information that is determined.

Abstract: Technology for transmitting and receiving a biosignal based on a pattern related to the biosignal and a feature point included in the biosignal. A biosignal transmitter includes a biosignal obtaining unit configured to obtain a biosignal comprising a plurality of unit signals, a parsing unit configured to parse the biosignal to extract a first unit signal of the plurality of unit signals, a pattern obtaining unit configured to obtain a pattern related to the biosignal based on the first unit signal, and a transmitting unit configured to transmit information related to a feature point of the first unit signal based on the first unit signal and the pattern.

Abstract: A blood pressure measuring apparatus and a method of operating the same are provided. The blood pressure measuring apparatus includes: a strap; and a main body that is rotatably connected to the strap, wherein the main body includes: a first pulse wave measurer configured to measure a first pulse wave; a second pulse wave measurer that is spaced apart from the first pulse wave measurer at a regular interval and is configured to measure a second pulse wave; and a blood pressure measurer configured to analyze the first pulse wave and the second pulse wave and determine a blood pressure based on the analyzed first pulse wave and the analyzed second pulse wave.

Abstract: A touch-type blood pressure measurement apparatus is provided. The touch-type blood pressure measurement apparatus include: a touch sensor configured to generate a contact area signal when a finger of a user is in contact with the touch sensor; at least one photoplethysmogram (PPG) sensor configured to generate a PPG signal of the user while the finger is in contact with the touch sensor; a force sensor configured to generate a touch force signal of the finger in contact with the touch sensor; and a controller configured to obtain a blood pressure of the user based on the contact area signal, the PPG signal, and the touch force signal.

Abstract: A blood pressure measurement apparatus, a portable pressure measurement apparatus, and a calibration method for the blood pressure measurement apparatus are provided. The blood pressure measurement apparatus includes a pulse wave measurer configured to measure pulse wave data of a subject while a user pressurizes and depressurizes the blood pressure measurement apparatus, using a portable pressure measurement apparatus, and a communicator configured to receive pressure data that is applied to the blood pressure measurement apparatus during the pressurizing and the depressurizing of the blood pressure measurement apparatus, from the portable pressure measurement apparatus, the pressure data being measured by the portable pressure measurement apparatus. The blood pressure measurement apparatus further includes a processor configured to update a blood pressure estimation formula, based on the received pressure data and the measured pulse wave data.

Abstract: An apparatus for estimating biometric information is provided. According to one exemplary embodiment, the apparatus may include a sensor comprising an electrocardiogram (ECG) sensor configured to measure an ECG signal of a user and a pulse wave sensor configured to measure two or more pulse wave signals at two or more measurement sites of the user; and a processor configured to obtain biometric information based on the ECG signal and the two or more pulse wave signals measured by the sensor.

Abstract: An apparatus for extracting a cardiovascular characteristic is provided. The apparatus may include: a first sensor configured to measure a vibration signal generated by a pulse wave of a subject; a second sensor configured to measure a pulse wave signal of the subject; a processor configured to perform an operation related to a cardiovascular characteristic on the basis of the measured vibration signal and pulse wave signal; and a main body in which the first sensor, the second sensor, and the processor are mounted.

Abstract: Provided is a technology for measuring a user's blood pressure by using light sources, in which the blood pressure measuring apparatus includes: a light emitter configured to emit one or more lights having different penetration characteristics toward a user; a light receiver configured to receive the lights that have penetrated through the user, and acquire photo-plethysmography (PPG) signals from the received lights; and a blood pressure measurer configured to measure a phase difference between the acquired PPG signals, and measure a blood pressure based on the measured phase difference.

Abstract: A grip-type blood pressure measuring apparatus and a method of operating the apparatus are provided. The grip-type blood pressure measuring apparatus may include a pulse wave measuring sensor array comprising a plurality of pulse wave measuring sensors that are spaced apart from each other at a predetermined interval; and a blood pressure measurer configured to select a first pulse wave and a second pulse wave from among a plurality of pulse waves measured by the plurality of pulse wave measuring sensors, analyze the selected first pulse wave and second pulse wave, and determine a blood pressure based on an analysis result of the first pulse wave and the second pulse wave.