Abstract: A smoke detection apparatus based on multiple wavelengths is provided, which includes: a chamber configured to receive an inflow of a smoke; a detector including a light emitter having a plurality of light sources that radiate light having a plurality of different wavelengths into a space in the chamber, and a light receiver configured to receive scattered light by the plurality of light sources; and a controller configured to control an operation of the detector and to distinguish between fire smoke and non-fire quasi-smoke by detecting and analyzing a light receiving signal of the light receiver.

Abstract: The present disclosure relates to a remote control system for construction equipment, which includes a work apparatus operated according to operation information of a real joystick, that allows construction equipment to be remotely controlled using a mobile device, the remote control system including: a receiver, a virtual joystick interface, a haptic interface, and a transmitter.

Abstract: A calibration method of optical coherence tomography device using a non-transmissive planar target includes obtaining three-dimensional image of a surface and an inside of a calibration target (T) by scanning the calibration target (T) using the optical coherence tomography device, and extracting a surface shape image of the calibration target (T) from the obtained the three-dimensional image; and calibrating the surface shape image of the calibration target (T) obtained by the optical coherence tomography device, according to an actual surface shape of the calibration target (T).

Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.

Abstract: An intraoral scanner having a tomography function capable of setting a tomography area using shape information of an oral cavity includes a shape measurement light projector that irradiates shape measurement light for obtaining a shape image of an oral structure; a shape measurement camera that obtains a surface shape image of the oral structure by detecting reflected light; an optical coherence tomography (OCT) body that transmits tomography measurement light to the oral structure and detect reflected light to obtain an internal cross-sectional image of the oral structure; an OCT scan probe that irradiates the tomography measurement light emitted from the OCT body onto a desired position of the oral structure and transfer the reflected light to the OCT body; and a beam splitter that superimposes optical paths of the shape measurement light irradiated from the shape measurement light projector and the tomography measurement light irradiated from the OCT scan probe.

Abstract: Disclosed is a method for producing hyaluronidase or a variant thereof. Specifically, the method is capable of changing the N-glycan levels under culture conditions including a controlled concentration of glucose in the culture medium and a decreased culture temperature for a specific culture time period, thereby increasing the specific activity by 10% or more and improving the quality and production yield.

Abstract: Provided is a system for detecting flame, which includes a light collecting module configured to collect light emitted from flame and sense location information and intensity information of the collected light, a memory configured to store a program for determining fire information on the basis of the sensed location information and intensity information of the light, and a processor configured to calculate intensity information and fluttering information of the flame from the intensity information of the light by executing the program stored in the memory, to calculate centroid spatial distribution information of the flame from the location information of the light, and to detect whether there is flame on the basis of at least one of the intensity information of the flame, the fluttering information of the flame, and the centroid spatial distribution information.

Abstract: Provided is a system for detecting flame, which includes a light collecting module configured to collect light emitted from flame and sense location information and intensity information of the collected light, a memory configured to store a program for determining fire information on the basis of the sensed location information and intensity information of the light, and a processor configured to calculate intensity information and fluttering information of the flame from the intensity information of the light by executing the program stored in the memory, to calculate centroid spatial distribution information of the flame from the location information of the light, and to detect whether there is flame on the basis of at least one of the intensity information of the flame, the fluttering information of the flame, and the centroid spatial distribution information.

Abstract: Disclosed herein are a method for inducing differentiation of stem cells into dopaminergic neural precursor cells and a method for mass production of dopaminergic neural precursor cells. Having ability to effectively differentiate stem cells into neural precursor cells, the methods can find advantageous applications in research and development and commercialization associated therewith.

Abstract: Provided is a formation method of a secondary battery, more particularly, to a method for removing gas generated during formation process of a secondary battery. The formation method includes a pre formation operation for pre-charging a pouch-type secondary battery in which an electrode assembly and an electrolyte are sealed, the pouch-type secondary battery including a pocket for gas collection; a primary degassing operation for forming a piercing in the pocket for gas collection, primarily degassing the gas generated during the pre-formation operation in real time through the piercing, and then sealing the piercing; and a secondary degassing operation for aging and secondarily degassing the pre-formed secondary battery.

Abstract: A vehicle device may receive audio data and other vehicle data associated with a vehicle and may transform the audio data to transformed audio data in a frequency domain. The vehicle device may segment the transformed audio data into a plurality of audio segments and may process the plurality of audio segments, with different feature extraction techniques, to extract a plurality of feature vectors. The vehicle device may merge the plurality of feature vectors into a merged feature vector and may create an audio signature for the audio data based on the merged feature vector. The vehicle device may process the audio signature and the other vehicle data, with a model, to determine a classification of the audio signature and may perform one or more actions based on the classification of the audio signature.

Abstract: Disclosed is a probe card for testing a wafer. The probe card includes a substrate and a block including an insulation portion and a conducting portion disposed on the insulation portion. Here, the insulation portion includes a via and a probe pin which comes into contact with an object to be tested. The conducting portion includes a contact point electrically connected to the substrate and a conducting pattern passing through the via and electrically connecting the contact point to the probe pin. A pitch between a plurality of such probe pins is smaller than a pitch between a plurality of such contact points. The block includes a plurality of unit blocks. The plurality of unit blocks each include the insulation portion and the conducting portion, and at least parts of the insulation portions of the unit blocks are arranged while being spaced apart from each other.

Abstract: A device such as a micro-OLED includes a display element having a display active area disposed over a silicon backplane and a display driver integrated circuit (DDIC) electrically coupled to the display element through at least one contact that extends through the silicon backplane. Through silicon via (TSV) technology may be used to form the contacts. A chip-on-flex architecture may be used to orient and attach the DDIC to the silicon backplane.

Abstract: The present disclosure relates to a system for detecting an anomaly and a method for setting a threshold thereof. The method includes setting a minimum true positive rate (TPR) and a differentiation slope based on a user input, creating a receiver operating characteristic (ROC) curve using anomaly data and normal data, estimating a true negative rate (TNR) from the ROC curve based on the minimum TPR and the differentiation slope, and estimating and setting the threshold based on the estimated TNR.

Abstract: The present disclosure relates to a composition for tagatose production and a method for preparing tagatose using the same.

Abstract: A 3D printer according to an embodiment of the disclosure includes: a resin tank accommodating a resin material; a molding plate movable up and down in the resin tank, and supporting a printed object formed by stacking a plurality of unit forming layers in sequence; an up-and-down movement actuator actuating at least one of the resin tank and the molding plate to move up and down; an exposure unit emitting light toward the molding plate; and a lens sheet including a first material layer including a molding surface facing the molding plate and a light receiving surface facing the exposure unit, disposed between the molding plate and the exposure unit, formed with a plurality of fine lens units for converging and diffusing the light from the exposure unit on one surface, and having a high refractive index, and a second material layer including a concavo-convex portion to be engaged with the fine lens unit of the first material layer, and having a low refractive index.

Abstract: A method for charging and discharging a battery, includes, operations of: manufacturing a battery by coupling a battery case and battery electrodes and injecting an electrolyte into the battery case; and activating a battery by inputting a current pulse having a predetermined period to the battery electrodes, wherein the period includes a first time and a second time, equal to or less than the first time, wherein the battery is charged by the current pulse during any one of the first time and the second time, and the battery is discharged by the current pulse during the other one of the first time the second time.

Abstract: Provided herein is an infrared spectroscopy technique capable of performing spectroscopic analysis on infrared rays in a broad infrared range (including a near infrared range, a short infrared range, a mid-infrared range, a far infrared range, and an extreme infrared range). An apparatus and a method for spectroscopic analysis on infrared rays are provided, without using an image sensor having a limited response range, to generate a signal in which transmitted light for each wavelength passes through a plurality of filters having different transmittances for each wavelength and is spatially pattern-coded, restore the signal into an infrared transmittance image, discriminate a wavelength according to a transmittance of the filter from the infrared transmittance image, calculate an intensity of the light for each wavelength, and output infrared spectrum information.

Abstract: A power generation device manufacturing method and a power generation device are proposed. In one embodiment, the method includes (a) forming a halide perovskite active layer on a flexible substrate bent by a stress applied thereto and (b) releasing the stress applied to the substrate on which the halide perovskite active layer is formed, thereby unfolding the bent substrate. By applying a strain to the active layer of the power generation device and controlling the same, using the method described above, it is possible to improve the performance of the power generation device without changing the composition of the active layer or the configuration of the device.

Abstract: Provided is an automotive glass setting apparatus, including a setting base supporting a glass having a plurality of edges, a plurality of alignment units allowing the glass to be aligned with the setting base; a scanning unit scanning the edges of the glass, a plurality of moving mechanisms moving the plurality of alignment units, and a controller controlling the moving mechanisms based on data scanned by the scanning unit to align a center of the glass with a center of the setting base.