Abstract:
A method and an apparatus of providing a degree of match between biosignals are provided. A method of providing a degree of match between biosignals involves receiving biosignals corresponding to users, calculating a degree of match between the biosignals, and providing the calculated degree of match between the biosignals to one or more users.
Abstract:
There are provided an apparatus and a method for measuring pulse waves. The pulse wave measuring apparatus includes a receiver configured to receive pulse wave signals sensed at at least two points of an object; an analog signal processor configured to amplify a voltage difference between two pulse wave signals from among the received pulse wave signals and integrate the amplified voltage difference; and a digital signal processor configured to analog to digital convert a value of the integrated amplified voltage difference and obtain, from the converted value, a pulse transit time between the two points corresponding to the two pulse wave signals.
Abstract:
Provided are biological information detection apparatuses and methods of detecting biological information. The biological information detection apparatus includes a pulse wave measuring unit configured to detect a biological signal of a subject; a height controller configured to adjust a height of the pulse wave measuring unit; and a support member formed on a side of the height controller, wherein the pulse wave measuring unit is further configured to detect the biological signal while the pulse wave measuring unit is spaced apart from a surface skin of the subject by the adjusted height.
Abstract:
A wafer alignment system includes a wafer sensor including a wafer substrate and a phase change material layer provided on the wafer substrate, a support member to support and heat the wafer sensor, a transfer device to transfer the wafer sensor to the support member, and a measurement device to analyze crystal information of the phase change material layer of the wafer sensor and control the transfer device.
Abstract:
A biometric information detecting apparatus includes a bio-signal measurer including a light-emitting unit and a light-receiving unit, the light-emitting unit configured to emit an optical signal and the light-receiving unit configured to detect the optical signal that is modulated by a target object; a low-frequency signal obtainer configured to obtain a low-frequency signal from the bio-signal measured by the bio-signal measurer; and a signal processor configured to analyze biometric information from the bio-signal in response to determining that the low-frequency signal obtained from the bio-signal is within a reference range.
Abstract:
An apparatus for detecting biometric information of a living body detects a pulse wave and extracts the biometric information of the living body in a non-invasive method. The apparatus for detecting biometric information includes a surface pulse wave measurement unit for measuring a surface pulse wave of an object. The surface pulse wave measurement unit includes at least one light source that radiates incoherent light and at least one photodetector that measures an intensity of light radiated by the at least one light source and reflected from a surface of the object. The surface pulse wave measurement unit measures the surface pulse wave of the object based on a change in the intensity of the light reflected from the surface of the object.
Abstract:
An attenuated total reflection (ATR) spectroscopic analysis apparatus includes an ATR prism including: an upper surface that contacts a specimen, a lower surface facing the upper surface, a first surface that is slanted and connected to the upper surface and the lower surface, and a second surface that is slanted and connected to the upper surface and the lower surface and facing the first surface; a light source configured to emit a light towards the first surface of the ATR prism; a light receiver that is provided to face the lower surface of the ATR prism and configured to receive the light that is diffusely reflected and output from the lower surface and output an electrical signal based on the received light; and a computation processor configured to calculate a contact area of the specimen with the upper surface of the ATR prism in response to the electrical signal.
Abstract:
A detachable biosignal complex sensor includes a clip type structure including: a circuit module configured to receive a biosignal of a subject and perform signal processing on the biosignal, a first plate, and a second plate having an end thereof which is rotatably connected to an end of the first plate so that the clip type structure is configured to be fastened to an item; and a sensor and electrodes provided on outer surfaces of the first plate and the second plate and configured to obtain the biosignal and transmit the obtained biosignal to the circuit module.
Abstract:
An apparatus and a method of measuring bioinformation are provided. The apparatus for measuring bioinformation includes a first sensor configured to measure a first biosignal including arterial pulse wave information, a second sensor configured to measure a second biosignal including venous or capillary pulse wave information, and a bioinformation estimator configured to estimate bioinformation of a user based on a time delay between the first biosignal and the second biosignal.
Abstract:
Provided are a method and an apparatus for assessing a degree of alignment between circadian rhythm and life activity rhythm. The method involves sensing a biosignal of a user, deriving a circadian rhythm of the user based on a biosignal change pattern for the biosignal, and calculating a degree of alignment between the circadian rhythm and a life activity rhythm of the user.