Abstract: A system for detecting a pedestrian at a crosswalk and preventing an accident on the basis of artificial intelligence, the system comprising: a camera device installed on a mast arm installed at the top of a traffic light pole installed at a crosswalk to capture pedestrians and the vicinity of the crosswalk; a pedestrian detection module for detecting a pedestrian in an image captured by the camera device through a pre-installed image analysis solution; a color detection module for detecting a current blinking color of a traffic light consisting of a pedestrian traffic light and a driving traffic light; and a warning signal output module for outputting an unauthorized crossing warning message to the pedestrian waiting at the crosswalk according to a detection result of the color detection module and a detection result of the pedestrian detection module.

Abstract: A robot wheel driving apparatus includes a wheel configured to rotate to drive a robot, a motor housing positioned inside the wheel, a motor including a stator and a rotor configured to rotate about the stator to transmit a rotating force to the wheel, a sensor magnet connected to the rotor, and an encoder sensor configured to receive a change in a magnetic field caused by rotation of the sensor magnet to detect a rotation angle of the rotor. A first set distance is maintained between the sensor magnet and the encoder sensor.

Abstract: A developed impact mark analysis apparatus includes: an image acquisition unit configured to obtain at least one first image by photographing impact marks that are developed, and to obtain a second image of impact marks at a crime scene that are developed from evidence at the crime scene; an outliner configured to outline the at least one first image to obtain at least one first outline image, and to outline the second image to obtain a second outline image; a database configured to store the first outline image corresponding to related tool characteristic information; a matching unit configured to search the database for the first outline image determined to be similar to the second outline image and match them with each other; a display unit; and a user input unit.

Abstract: A battery pack includes a battery module having at least one battery cell, a pack case configured to accommodate the battery module, and a connection guide unit provided on at least one side of the pack case and configured to be accessible to electrical members of two or more connection types.

Abstract: A coil component includes: a body having a first and a second surface opposing, and including first and second recesses respectively formed in the first and the second surface; a support member disposed in the body; a coil including a first coil portion disposed on one surface of the support member, a sub-lead portion extending from an outermost turn of the first coil portion to the first surface, a first lead portion disposed on other surface of the support member and connected to the sub-lead portion, a second coil portion disposed on the other surface of the support member, and a second lead portion extending from an outermost turn of the second coil portion to the second surface, wherein a thickness of the sub-lead portion is less than that of the first coil portion, and a width of the sub-lead portion is less than that of the first lead portion.

Abstract: Provided is an optical system which may acquire a hyperspectral image by acquiring a spectral image of an object to be measured, which includes, to collect spectral data and train the neural network, an image forming part forming an image from an object to be measured and transmitting collimated light, a slit moving to scan the incident image and passing and outputting a part of the formed image, and a first optical part obtaining spectral data by splitting light of the image received through the slit by wavelength. Also, the system includes, to decompose overlapped spectral data and to infer hyperspectral image data through the trained neural network, an image forming part forming an image from an object to be measured and transmitting collimated light, and a first optical part obtaining spectral data by splitting light of the received image by wavelength.

Abstract: A robot wheel driving apparatus comprises: a wheel configured to rotate and move a robot, a motor housing provided inside the wheel and having a cylindrical shape, the motor housing defining an open surface, a motor inserted into the motor housing and configured to provide a rotational force to the wheel, an inverter cover connected to the motor and covering the open surface of the motor housing, and an aluminum electrolytic capacitor protruding from an inside of the inverter cover in a direction opposite to the inverter cover, at least a part of the aluminum electrolytic capacitor being accommodated in the motor.

Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: A manufacturing method of a semiconductor device may include: forming a stack comprising first material layers and second material layers that are alternately stacked; forming an opening in the stack; forming a first seed layer in the opening; forming a first buffer layer by surface-treating the first seed layer; and forming a blocking layer by oxidizing the first seed layer through the first buffer layer.

Abstract: The present disclosure relates to a polycarbonate resin composition, and more particularly, to a polycarbonate resin composition containing 90 wt % to 99 wt % of a polycarbonate resin, 0.3 wt % to 0.7 wt % of an anthraquinone-based black dye, and 0.2 wt % to 1.0 wt % of an acrylic polymeric chain extender, and a molded article containing the same.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.

Abstract: A protective case configured to cover a portable electronic device is provided. The protective case may include a first card storage configured to receive a first card, and a second card storage configured to store a second card where the second card storage is spaced apart from the first card storage.

Abstract: An exemplary embodiment provides an intruder detection method capable of accurately detecting an intruder and estimating an abnormal behavior of the intruder even when viewpoints of acquired images are different from each other. An intruder detection method is suitable for being performed by an intruder detection device for detecting an intruder based on images and includes: receiving input images acquired by multiple cameras; extracting feature maps associated with a plurality of viewpoints by applying the input images to a plurality of convolutional neural networks provided separately for the plurality of viewpoints of the images; and detecting the intruder based on the feature maps associated with the plurality of viewpoints.

Abstract: A connector assembly has a movable plate for protecting terminals and maintaining alignment in a first connector. The connector assembly includes a first connector having a coupling space formed therein and having a plurality of first terminals disposed in the coupling space, a moving plate movably installed in the coupling space and having a terminal hole through which the first terminal passes, and a second connector coupled to one side of the first connector and moving the moving plate in the coupling space. A step portion is formed on the inner surface of the first connector. A hinge portion is formed on a side surface of the moving plate to rotate at a predetermined angle, and an end of the hinge portion can be locked or released from the step portion.

Abstract: In an embodiment an electrical connector includes an earth terminal including a wire terminal contact part and a ground fixing part integrally formed with the wire terminal contact part and a connector housing including a housing body in which the wire terminal contact part is placeable and a terminal cover part located at an outer side of the housing body and configured to surround the ground fixing part.

Abstract: Provided is a liquid crystal panel and a liquid crystal panel etching method, the liquid crystal panel including a second substrate installed in a state of being spaced apart from a first substrate while having the first substrate and a liquid crystal layer interposed therebetween, wherein the first substrate is etched across the entire area thereof, and the second substrate has a non-etched region.

Abstract: Provided is a liquid crystal panel and an etching method for a liquid crystal panel. The liquid crystal panel includes: a first substrate; and a second substrate installed spaced apart from the first substrate with a liquid crystal layer interposed therebetween, in which a non-etched region of the first substrate and a non-etched region of the second substrate are positioned to be offset from each other.

Abstract: Provided is a liquid crystal panel and a method for etching a liquid crystal panel, the liquid crystal panel including: a first substrate; a second substrate installed at a location facing the first substrate with a liquid crystal layer therebetween; a driving circuit unit connected to the second substrate; and a masking tape integrally surrounding the edges of the first substrate and the second substrate.

Abstract: Provided is a liquid crystal panel and a method for etching a liquid crystal panel, the liquid crystal panel including: a first substrate; a second substrate installed at a location facing the first substrate with a liquid crystal layer therebetween; a driving circuit unit connected to the second substrate; and a masking tape integrally surrounding the edges of the first substrate and the second substrate.