Samsung Electronics Co., Ltd.

Seoul National University

Hong-sig Kim

Kyung-Ho Kim

Youn-ho Kim

Woo-young Jang

Kun-soo Shin

Jun-il Sohn

Gil-Won Yoon

Sang-kon Bae

Kun-kook Park

Yoon-seo Koo

Gil-won Yoon

Dong-wook Kim

Sang-Min Lee

Su-Jin Kim

Kyoung-ho Kang

Jong-keun Song

Hyung-sok Yeo

Kye-jin Jeon

In-duk Hwang

Woo-Young Jang

Jong-youn Lee

Byung-hoon Ko

Young-Chul Kwon

Jin-han Chung

Soo-kwan Kim

Hyun-Jee Im

Won-ky Kim

Alexander Zabaznov

Tae-min Hong

Alexander Ianukovitch

Hoon-jong Jwa

Jin-wook Oh

Dong-soo Suh

Myung-hwan Yun

Jin-yong Ha

Yoon-chan Jeong

Luis Alonso Vazquez Zuniga

A method of emitting wavelength-swept light includes controlling either one or both of magnitudes and on/off timings of currents to be applied to a first gain medium of a first optical generator and a second gain medium of a second optical generator to control an intensity and a wavelength region of each of first wavelength-swept light and second wavelength-swept light; generating the first wavelength-swept light having a first center wavelength based on the current applied to the first gain medium of the first optical generator; generating the second wavelength-swept light having a second center wavelength based on the current applied to the second gain medium of the second optical generator; and emitting output wavelength-swept light by coupling the first wavelength-swept light and the second wavelength-swept light.

Method and apparatus for coupling wavelength-swept light by controlling on/off timings of current applied to the gain mediums

A light source system includes: a plurality of gain mediums configured to output a corresponding plurality of lights having different center wavelengths from each other; a first light source part configured to connect the plurality of gain mediums to each other in parallel and emit the plurality of lights; a wavelength-swept filter unit configured to sweep wavelengths of the plurality of lights output by the plurality of gain mediums and compensate for spectroscopic optical paths of the plurality of lights; a second light source part configured to connect the first light source part to the wavelength-swept filter unit in series and feed the wavelength-swept lights back to the plurality of gain mediums; a combiner configured to combine the wavelength-swept lights and output a combined wavelength-swept; and a controller configured to control an output magnitude and a wavelength region of the wavelength-swept lights.

Broadband wavelength-swept light source system and apparatus employing the same

Provided is a frequency shifting optical swept light source system. The system includes a light source that emits light; an amplifier that amplifies the light output from the light source; an optical converter that shifts a frequency of the amplified light and compresses a spectrum of the amplified light; and a controller that controls a current signal applied to the light source such that a repetition rate of the light output from the light source is adjusted, so that an intensity of the amplified light is adjusted, to thereby adjust a position of the compressed spectrum with respect to a predetermined frequency band.

Frequency shifting optical swept lightsource system and apparatus to which the system is applied

A sound outputting apparatus and a method of controlling the same are provided. A method of controlling a sound outputting apparatus includes extracting a noise signal and a desired signal, estimating a direction of arrival (DoA) of the extracted desired signal, and outputting sound.

Sound outputting apparatus and method of controlling the same

A method of displaying bio-information on a screen includes outputting basic bio-information of a plurality of bio-parameters indicating a condition of a patient on one display screen, determining an occurrence of an event related to the plurality of bio-parameters, converting the basic bio-information into detailed bio-information about one of the plurality of bio-parameters based on a result of the determining an occurrence of an event, and outputting the converted detailed bio-information on the one display screen.

Method and apparatus for displaying bio-information

A blood vessel pressing cuff includes a strap surrounding a body part, a first actuator disposed on the strap and including a first shape memory alloy which changes to a first shape memorized in advance, at a temperature equal to or higher than a first temperature, and a second actuator disposed on the strap and including a second shape memory alloy which changes to a second shape memorized in advance, at a temperature equal to or higher than a second temperature that is different from the first temperature. If the first shape memory alloy changes to the first shape, pressure applied to the body part surrounded by the strap is increased. Even when the first shape memory alloy changes to the first shape, if the second shape memory alloy changes to the second shape, the pressure applied to the body part surrounded by the strap is reduced.

Blood vessel pressing cuff, blood pressure measuring apparatus including the blood vessel pressing cuff, and blood pressure measuring method using the blood pressure measuring apparatus

A method and an apparatus for outputting body information of a user. The method of outputting the body information of a user comprises: designating coordinate points of the body information according to first, second, and third body information on a three-dimensional coordinate having the first, second, and third coordinates as coordinate axes; and outputting comparison information between the user body figure and the average body figure from the distance between the coordinate point of the body information of the average body figure designated on a three-dimensional coordinate in advance and the coordinate point of the body information of the user.

Method of outputting body information and apparatus therefor

A non-invasive probe for measuring body components, and a non-invasive body component measurement system including the non-invasive probe is provided. The non-invasive probe includes an input light transferring unit for transferring an input light emitted from a light source; a light splitting unit for splitting the input light into a plurality of living body incident lights; a light condensing unit for condensing the plurality of living body incident lights, so that the plurality of living body incident lights can be irradiated onto a plurality of measuring points, each measuring point corresponding to one of the plurality of living body incident lights; and an output light transferring unit for transferring a plurality of output lights, which each correspond to the one of the plurality of measuring points and, which are obtained by irradiating the plurality of living body incident lights, to a spectrometer that classifies the output lights by wavelength.

Non-invasive probe for measuring body components and a non-invasive body component measurement system including the non-invasive probe

An apparatus and method for simultaneously measuring at least two different bio signals without interference are provided. The apparatus includes a stimulus signal generating unit generating the stimulus signal to be applied to a human body, a sensing unit contacting the human body, including a plurality of electrodes to which the stimulus signal is applied and from which at least one intermediate signal containing the first and second bio signals is detected, configured to share at least one of the plurality of electrodes to apply the stimulus signal or to detect each intermediate signal, and a signal acquisition unit separating and acquiring the first and second bio signals from each intermediate signal detected from the sensing unit.

Apparatus and method for simultaneously measuring bio signals

Video medical treatment terminal

A probe for use in photoplethysmographic (PPG) measurement includes a light source unit including a light source that contacts a predetermined site of an object and emits light onto the predetermined site, a photodetector unit positioned facing the light source unit to receive the light emitted from the light source unit and transmitted through the object, a body having a space for receiving the object and in which the light source unit and the photodetector unit are positioned in a same optical axis, and a pressure application unit coupled to the body for applying a pressure to the object via the light source unit. A biological signal measuring system includes the above probe, a controller for controlling operations of the probe and for recording and analyzing signals output from the probe, a detected light intensity display unit for displaying an intensity of detected light, and a biological signal display unit.

Probe for use in measuring a biological signal and biological signal measuring system incorporating the probe

A diagnosis method and apparatus for measuring blood hemoglobin concentration, oxygen saturation, pulse rate, respiration rate, or degree of aging of blood vessels using light includes an input/output unit for receiving a command for measurement from a user and for providing information on the result of a measurement to the user; a control unit for receiving the command for measurement from the input/output unit and for generating a control signal; a light generating unit for generating at least two light beams for measurement according to the control signal; a light receiving unit for receiving the light beams transmitted through an object that is subject to measurement and for converting the received light beams into electrical signals; and a data processing unit for processing the electrical signals received from the light receiving unit and for outputting information on the result of a predetermined measurement.

Diagnostic method and apparatus using light

A laser handpiece using an optical system such as a prism. The laser handpiece includes a laser fiber for irradiating laser beam output from a laser generating device, a first beam path changing portion for changing a traveling path of the laser beam output from the laser fiber, a second beam path changing portion for changing finally the traveling path of the laser beam output from the first beam path changing portion, a focus lens for focusing the laser beam output from the second beam path changing portion onto a point, and a main body for containing the laser fiber, the first beam path changing portion, the second beam path changing portion and the focus lens. Thus, an optical axis can be easily aligned and the traveling path of the laser beam can be easily changed within a small space, so the laser handpiece can be manufactured in a convenient shape for use.

Laser handpiece

An optimal diagnosis point detector for noninvasive diagnosis of blood constituents and a noninvasive diagnosis device using the same. The optimal diagnosis point detector for noninvasive diagnosis of blood constituents includes detecting means for detecting a predetermined signal concerning bloodstream quantity from a portion of a subject to be diagnosed, driving means for driving the detecting means, amplifying means for amplifying the output signal of the detecting means, analog-to-digital (A/D) converting means for receiving the signal output from the amplifying means and converting the same into digital data, storage means for storing a predetermined optimal diagnosis point detecting method, means through which a user's command is input, central processing means, connected to the driving means, the A/D converting means, the command inputting means, and the storage means, for performing the predetermined optimal diagnosis point detecting method stored in the storage means according to the user's input command, and display means connected to the central processing means for displaying a detected value and displaying an indication that the detected value is the maximum value when a maximum detection signal is detected from the detecting means. Therefore, the concentration of blood constituents of a subject to be diagnosed can be calculated accurately. Also, the constituents that are very lightly concentrated in the blood can be accurately measured.

Optical diagnosis point detector for noninvasive diagnosis of blood

Growing community of inventors

Seongnam-si, South Korea

Hong-sig Kim