Abstract:
Methods and apparatuses for correcting an impedance measured by a sensor included in a wearable device are provided. In an exemplary embodiment, the methods includes: measuring, from an image including the wearable device and arms of a user, a first angle between a straight line connecting a left elbow joint of the user and a camera device for photographing the image and a straight line connecting the left elbow joint and the wearable device, a second angle between a straight line connecting the left elbow joint and the wearable device and a straight line connecting the wearable device and a right elbow joint of the user, a third angle between a straight line connecting the right elbow joint and the wearable device and a straight line connecting the right elbow joint and the camera device, and a fourth angle between a straight line connecting the right elbow joint and the camera device and a straight line connecting the left elbow joint and the camera device.
Abstract:
Provided is an apparatus for analyzing living body information including: a plurality of pulse wave sensors configured to detect a pulse wave signal of an object and disposed on a rear surface of the apparatus; a processor configured to analyze living body information of the object based on the detected pulse wave signal; and a display configured to display the analyzed living body information and disposed on a front surface of the apparatus.
Abstract:
A touch panel apparatus and a method are provided. The touch panel apparatus includes a touch panel, a pulse sensor, and a processor. The touch panel detects a heartbeat-based signal from a first part of a target body. The pulse sensor detects a pulse signal from a second part of the target body. The processor acquires a pulse transit time (PTT) based on the detected heartbeat-based signal and the detected pulse signal. The touch panel apparatus contemporaneously detects the heartbeat-based signal and the pulse signal using the touch panel and the pulse sensor, respectively.
Abstract:
An apparatus and a method for detecting bio-information are provided. The apparatus includes a bio-signal detector including a light emitter including a light-emitting diode (LED) and a laser diode (LD), the LED and the LD being configured to emit optical signals on an object. The bio-signal detector further includes an optical detector including a light-receiver configured to detect optical signals modulated by the object. The apparatus further includes a processor configured to process the optical signals to detect the bio-information of the object.
Abstract:
Provided is an apparatus and method of measuring a pulse wave. The method includes: causing receivers to respectively receive pulse wave signals that are detected at two points of an object, determining an effective pulse wave signal period by using the received pulse wave signals, and obtaining a pulse transit time (PTT) between the two points by using a result obtained after comparing a magnitude of an output signal of each of the receivers with a value that is less by a predetermined percentage than a peak value of an output signal of each of the receivers during the determined effective pulse wave signal period.
Abstract:
A biometric information detecting apparatus is provided. The biometric information detecting apparatus includes a fixing unit disposed on a lower structure, and a pressure pulse wave measuring unit that is supported by the fixing unit and separate from the lower structure. An optical pulse wave measuring unit is disposed on the pressure pulse wave measuring unit. The optical pulse wave measuring unit may contact a surface of a subject's body. A pressure pulse wave of the subject's body may be measured by the pressure pulse wave measuring unit and an optical pulse wave of the subject's body may be measured by the optical pulse wave measuring unit, at the same time.
Abstract:
An apparatus for simultaneously detecting surface pressure and blood volume of an object and a method of detecting the same are provided. The apparatus includes a printed circuit board (PCB); a light emitter disposed on the PCB which emits light of a first wavelength and light of a second wavelength; a first light receiver which detects light of the first wavelength and a second light receiver which detects light of the second wavelength; a transparent elastic body on the PCB which covers the light emitter, the first light receiver, and the second light receiver; and a dichroic coating formed on the transparent elastic body. The dichroic coating reflects light of the first wavelength and transmits light of the second wavelength.
Abstract:
An apparatus for analyzing a biosignal is provided. The apparatus includes a communicator configured to receive from an external device a first biosignal of an object detected by the external device; a synchronizer configured to transmit a synchronization signal to from the external device or receive the synchronization signal from the external device; at least one biosignal detector configured to detect a second biosignal of the object according to the synchronization signal; and a processor configured to compare characteristics of the first biosignal and the second biosignal and obtain biometric information having correlation with a result of the comparison.
Abstract:
A biometric information measuring device includes a pulse wave measuring module configured to measure pulse waves by emitting light toward a target object and sensing light reflected from the target object; a communication module configured to obtain calibration information from a remote calibration server; and a biometric information analyzing module configured to analyze biometric information based on the measured pulse waves and the calibration information. The calibration information indicates biometric information measurement variables of a plurality of subjects.
Abstract:
Provided are a physiological signal analysis device and method to detect and analyze physiological information of a subject. The physiological signal analysis device includes a memory device configure to store a wrinkle pattern at a measurement position of a subject as a reference position; a sensor configured to sense the reference position and a physiological signal of the subject at the reference position in response to the stored reference position being within a range of the sensor; and a signal processor configured to process the physiological signal sensed the sensor.