Abstract: A fluorescence detection optical system comprises a light source which emits excitation light, a collimating lens which condenses the excitation light emitted from the light source into substantially parallel light, an objective lens which focuses the excitation light on a microchamber of a microfluidic device, an optical detector which measures an intensity of a fluorescence signal generated in the microchamber by the excitation light, a beam splitter which transmits or reflects the excitation light emitted from the light source toward the objective lens, and reflects or transmits the fluorescence signal generated in the microchamber toward the optical detector, and a beam shaping lens which is disposed between the beam splitter and the objective lens and expands an optical spot of the excitation light in one direction in accordance with a shape of the microchamber.

Abstract: Provided are an electrode for a living body and a device for detecting bio-signals using the electrode. The electrode includes an insulation sheet that has at least one via hole, an electrode unit formed in the at least one via hole, and a guiding unit for guiding the attachment of a signal processing unit.

Abstract: A microfluidic device including a microvalve includes a first substrate, a second substrate facing the first substrate, an elastic film between the first and second substrates, a microfluidic channel on the second substrate, a valve seat of the second substrate protruding in the microfluidic channel, and a fine structure on a surface of the elastic film, facing the valve seat and which contacts the valve seat when the microvalve is operated.

Abstract: A three-dimensional (3D) image display apparatus that includes a surface-light source device for emitting light in a direction which may be sequentially adjusted, is provided. The 3D image display apparatus includes a display panel for generating images by modulating the light emitted from the surface-light source device according to image information. The 3D image display apparatus also includes a controller for controlling the directivity adjustment of the light from the surface-light source device in a time-sequential manner and the image formation for each visual field of the display panel to be synchronized with each other.

Abstract: Three-dimensional (3D) glasses and a 3D display apparatus are provided. The 3D display apparatus includes a backlight unit comprising a first light source unit for irradiating a first spectrum of light and a second light source unit for irradiating a second spectrum of light. The apparatus includes a polarization switch for selectively converting the polarization of incident light, and for reducing eye fatigue by providing a plurality of view images to each eye using a pair of glasses that each have a color filter and a birefringent device.

Abstract: A portable device having a biosignal measuring instrument includes: at least one first electrocardiogram signal sensor portion on a first surface of the portable device that contacts a first hand of a user, to measure a first electrocardiogram signal of the user; at least one second electrocardiogram signal sensor portion on a second surface of the portable device that contacts a wrist of a second hand of the user, to measure a second electrocardiogram signal from the wrist; a pulse waveform sensor on the second surface and in parallel with the second electrocardiogram signal sensor portion, to sense a pulse waveform from the wrist; a waveform controller generating an electrocardiogram waveform of the user from the measured first electrocardiogram signal and second electrocardiogram signal, generating a pulse waveform of the user from the sensed pulse waveform, and detecting at least one characteristic point of the pulse waveform by referring to the electrocardiogram waveform; and an output portion providing

Abstract: An apparatus for attaching a biosignal measurement sensor to a subject including a housing having an open space at one side, an installation portion installed in the open space, on which the biosignal measurement sensor is installed, a plurality of detection electrodes installed at an open side of the housing to contact the subject, and arranged along a circumferential edge of the installation portion to form pairs of detection electrodes facing each other with respect to a center of arrangement, an actuator installed in the housing to rotate and linearly move the installation portion, and a circuit portion searching for the detection electrodes that provide optimal detection data based on a difference in signals between the pairs of detection electrodes, and driving the actuator to allow a pair of sensor electrodes provided at the biosignal measurement sensor to be arranged in the same direction as the searched detection electrodes.

Abstract: An apparatus for integrally processing a plurality of biologic signals includes a first signal processing module and a second signal processing module. The first processing module generates a signal for operating a sensing module, which includes a plurality of sensor groups which measures the plurality of biologic signals, and which processes a biologic signal provided from the plurality of sensor groups based on a control signal. The second signal processing module authenticates a sensor group from among the plurality of sensor groups, generates the control signal according to a result of the authentication while automatically setting a processing condition, processes the biologic signal provided from the first signal processing module according to the processing condition and outputs a result of processing the biologic signal.

Abstract: An electrode for measuring an electrocardiogram. The electrode comprises a signal detector operable to detect an electrocardiogram signal. An electrolytic gel is coated onto a first surface of the signal detector. The gel is electrically conductive and operable to adhere to a skin. A connector is electrically connected to the signal detector.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: In a training control method using biofeedback, and an apparatus using the method, the method includes setting a target exercise zone for a user based on a bio-signal from the user, the target exercise zone including a range of indices and comparing a current index obtained from the bio-signal with the target exercise zone in time units in an exercise training mode and providing at least one of positive biofeedback information, negative biofeedback information, and a warning message to the user according to a result of the comparison.

Abstract: A method of evaluating human stress using photoplethysmography (PPG) includes defining at least one PPG parameter, radiating light having at least one wavelength, which reacts to a blood component to be measured, at a measuring target and measuring a PPG signal from the measuring target during a predetermined period of time, and evaluating a level of human stress using a plurality of stress indexes obtained from the PPG parameter.

Abstract: An apparatus, method, and medium for generating electrical stimulation, including an electromyogram detector detecting an electromyographic signal of a body, a fatigue index calculator calculating a fatigue index indicating a degree of muscle fatigue by converting the electromyographic signal detected by the electromyogram detector during a predetermined time unit into a frequency-domain electromyographic signal, and an electrical stimulation signal generator adjusting an electrical stimulation signal according to the calculated fatigue index and generating the electrical stimulation signal.

Abstract: 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.

Abstract: In a body surface bio-potential sensor, and an apparatus for detecting biomedical signals having the same, the body surface bio-potential sensor includes a flexible membrane having a wire layer, a plurality of electrodes attached on a first surface of the membrane at predetermined intervals, each of the plurality of electrodes having a plurality of needles on a surface thereof, each of the plurality of needles having a predetermined height, and a cohesive layer covering the first surface of the membrane, the cohesive layer exposing regions of the flexible membrane corresponding to positions of the plurality of electrodes.

Abstract: An ECG measurement device including: an ECG patch including a main body including a first side and a second side, the first side attached to the body of the subject; an electrode unit including at least three electrodes departed from each other at predetermined intervals and installed to the first side of the main body and conductive gel being applied to the periphery of each of the electrodes and receiving a pseudo ECG signal of the subject via the electrodes; and a first connector installed to the second side of the main body, corresponding to an installation position of each of the electrodes, electrically connected to the electrodes, physically attached and electrically connected to a predetermined controller to transmit the pseudo ECG signal to the controller; and an ECG measurement controller including a second connector physically attached and electrically connected to a first connector of the ECG measurement patch and receiving a pseudo ECG signal from the ECG measurement patch; an A/D converter conve

Abstract: A health care apparatus and method thereof. The health care apparatus comprises: a sensing position determining unit determining a body part of an examinee where vital signals of the examinee are sensed; a vital potential sensing unit sensing potential signals of the examinee corresponding to a determined result; and an analyzing unit analyzing the sensed result. Accordingly, the health care apparatus can determine body parts by itself and senses potential signals corresponding to the body parts to calculate reliable measurements without information of the body parts to which the health care apparatus is attached. Furthermore, the health care apparatus can be easily attached to the body compared to a conventional health care apparatus, and can calculate a health index reflecting the present behavior pattern of the examinee. The health care apparatus can also determine the health state of local body parts of the examinee and inform the examinee of the calculated health indexes on a real-time basis.

Abstract: An electrode for measuring a biosignal. The electrode includes: a sheet member formed. of an insulating material; a conductive member formed of a conductive material on a first surface of the sheet member; and an electrolyte member formed on the sheet member, comprising a gel-type electrolyte having tackiness, and having a base part covering the conductive member and a plurality of protrusions protruding from a surface of the base part which is directed to the skin.

Abstract: A health care apparatus and method are provided. The apparatus includes: a motion sensing unit; a bio-electric potential sensing unit sensing an electric potential signal of the health examinee corresponding to the sensed result; and an analysis unit analyzing the sensed result. By recognizing a current motion of the examinee and sensing an electric potential signal corresponding to the recognized current motion from the examinee, a more reliable health index of the examinee can be calculated. Even when information on the current motion of the health examinee is not given, the current motion can be recognized by the apparatus and method. Furthermore, since the health examinee is notified of the calculated health index in real time, the health examinee can be informed immediately if the physical condition is in an emergency state. As a result, the examinee can respond quickly to the emergency situation.