Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.

Abstract: A display device includes a substrate and a plurality of unit pixels disposed on the substrate. Each unit pixel includes a plurality of sub-pixels, a plurality of light sensing pixels, and a plurality of partition wall members. Each of the sub-pixels includes a light emitting element that emits light and a light emitting area from which the light is emitted. Each of the light sensing pixels includes a light receiving element that outputs a sensing signal corresponding to the light and a light receiving area that receives the light. In a plan view, each of the partition wall members surrounds the corresponding light receiving area and overlaps at least some of the sub-pixels.

Abstract: A tilt and direction detecting apparatus and an antenna assembly using the same are disclosed. An embodiment of the present disclosure provides a tilt and direction detecting apparatus comprising: a dome structure including a spherical surface; a plurality of optical sensors configured to measure the intensity of sunlight; and a flexible circuit printed board configured to enclose at least a portion of the spherical surface, wherein, the flexible circuit board is disposed on the spherical surface such that the plurality of optical sensors are oriented in different directions from each other.

Abstract: The present invention relates to remotely monitoring and controlling the direction of an antenna device measured in real time on the basis of three-dimensional spatial direction information of the antenna device. The three-dimensional spatial direction information of the antenna device measured in real time by a beam navigator makes it possible to align and manage the antenna device remotely by using a remote-controlled tilting and steering (RTS) means provided in the antenna device.

Abstract: Embodiments relate to a method and a device for switching media service channels, which minimize the time required to detect the first I frame for a switch channel by utilizing a caching server when switching channels in an IP-based media service, such as IPTV, and at the same time, minimize the time required for synchronization by changing time information in caching information transmitted from the caching server, such that channel switching between media service channels can be performed more quickly.

Abstract: According to the present invention, a system for detecting an occupant left unattended in a vehicle, including a first detection unit that detects a situation in which a vehicle is stopped or parked; a carbon dioxide measurement unit that measures carbon dioxide concentration inside the vehicle; and a determination unit that detects the first detection unit's detection of the situation in which the vehicle is stopped or parked, and determines whether or not an occupant is left unattended in the vehicle based on the carbon dioxide concentration measured by the carbon dioxide measurement unit is disclosed.

Abstract: Provided is a substrate treating method of removing a thin film formed on a substrate. The substrate treating method includes a reaction process of transferring an etchant to the thin film, and a removal process of removing process by-products generated by reacting the thin film with the etchant, in which the reaction process and the removal process are repeated at least twice or more, and any one of the removal processes is to remove partially the process by-products.

Abstract: According to the present invention, a system for detecting an occupant left unattended in a vehicle, including a first detection unit that detects a situation in which a vehicle is stopped or parked; a carbon dioxide measurement unit that measures carbon dioxide concentration inside the vehicle; and a determination unit that detects the first detection unit's detection of the situation in which the vehicle is stopped or parked, and determines whether or not an occupant is left unattended in the vehicle based on the carbon dioxide concentration measured by the carbon dioxide measurement unit is disclosed.

Abstract: Disclosed herein are a display apparatus for vehicles and a method of controlling the same. The display apparatus for vehicles includes a projection glass having a variable transmittance, a variable glass driving unit configured to adjust the transmittance of the projection glass, a projector configured to display an image on the projection glass, an image input unit configured to receive an image to be projected onto the projection glass, a mode selection unit configured to select an operation mode of the projection glass, and a control unit configured, according to the selection of the mode selection unit, to drive the variable glass driving unit to adjust the transmittance of the projection glass and to project the image, input from the image input unit, onto the projection glass through the projector.

Abstract: Embodiments relate to a method and a device for switching media service channels, which minimize the time required to detect the first I frame for a switch channel by utilizing a caching server when switching channels in an IP-based media service, such as IPTV, and at the same time, minimize the time required for synchronization by changing time information in caching information transmitted from the caching server, such that channel switching between media service channels can be performed more quickly.

Abstract: Disclosed herein are a display apparatus for vehicles and a method of controlling the same. The display apparatus for vehicles includes a projection glass having a variable transmittance, a variable glass driving unit configured to adjust the transmittance of the projection glass, a projector configured to display an image on the projection glass, an image input unit configured to receive an image to be projected onto the projection glass, a mode selection unit configured to select an operation mode of the projection glass, and a control unit configured, according to the selection of the mode selection unit, to drive the variable glass driving unit to adjust the transmittance of the projection glass and to project the image, input from the image input unit, onto the projection glass through the projector.

Abstract: A fuel-mixing prevention filler neck device is provided. The fuel-mixing prevention filler neck device includes a fuel dispensing gun insertion unit that receives a fuel dispensing thereinto and a coupling unit that provides fluid communication with a bottom of the fuel dispensing gun insertion unit. The coupling unit is disposed on an exterior circumferential surface thereof with coupling protrusions for fastening with a plurality of slots formed in a filler pipe. Further, a first side of a lower portion of the coupling unit is open to form a coupling region. A misfueling prevention unit slidably moves to the coupling region to be coupled to the coupling unit. Additionally, the misfueling prevention unit is closed when a gasoline fuel dispensing gun is inserted and being opened when a diesel fuel dispensing gun is inserted.

Abstract: Disclosed herein are a wavy fin, a heat exchanger having the same, an apparatus for manufacturing the same, a method of manufacturing the same, and a computer-readable recording medium storing the method. The wavy fin is configured such that top and bottom parts are alternately formed in a width direction while being connected by side parts, and the top, bottom, and side parts extend in a longitudinal direction so as to form a wave such that ridges and valleys are alternately repeated, and includes a front part in front of each ridge or valley of the wave in the longitudinal direction, and a rear part beyond the ridge or valley of the wave in the longitudinal direction. The front and rear parts are offset from each other in the width direction so as to be misaligned at the ridge or valley of the wave.

Abstract: A fuel-mixing prevention filler neck device is provided. The fuel-mixing prevention filler neck device includes a fuel dispensing gun insertion unit that receives a fuel dispensing thereinto and a coupling unit that provides fluid communication with a bottom of the fuel dispensing gun insertion unit. The coupling unit is disposed on an exterior circumferential surface thereof with coupling protrusions for fastening with a plurality of slots formed in a filler pipe. Further, a first side of a lower portion of the coupling unit is open to form a coupling region. A misfueling prevention unit slidably moves to the coupling region to be coupled to the coupling unit. Additionally, the misfueling prevention unit is closed when a gasoline fuel dispensing gun is inserted and being opened when a diesel fuel dispensing gun is inserted.

Abstract: Disclosed herein are a wavy fin, a heat exchanger having the same, an apparatus for manufacturing the same, a method of manufacturing the same, and a computer-readable recording medium storing the method. The wavy fin is configured such that top and bottom parts are alternately formed in a width direction while being connected by side parts, and the top, bottom, and side parts extend in a longitudinal direction so as to form a wave such that ridges and valleys are alternately repeated, and includes a front part in front of each ridge or valley of the wave in the longitudinal direction, and a rear part beyond the ridge or valley of the wave in the longitudinal direction. The front and rear parts are offset from each other in the width direction so as to be misaligned at the ridge or valley of the wave.

Abstract: Disclosed are a wavy fin structure, in which a cross-cut having a designated length is formed at a designated position of a wavy fin, and a flat tube heat exchanger having the same. The cross-cut is formed around at least one valley or peak of the fin. One cross-cut is formed at a valley or a peak at the central portion of the fin or a plurality of cross-cuts is formed at designated periods in the length direction of the fin. Further, the cross-cut is formed at a position at the rear of the peak and the length of the cross-cuts is 1 5 ? C ? ? to ? ? 4 5 ? C . The wavy fin structure generates flow disturbance due to a wavy-type dynamic flow, thus improving heat transfer performance.

Abstract: A structure for installing a side airbag includes: an airbag module; an airbag deployment guide path which is in communication with the outside of the vehicle seat from the accommodating space; first and second covers which surround the outside of the vehicle seat, and have one end inserted into the airbag deployment guide path; a connecting tether which has one end that is positioned at a tip portion in the airbag deployment guide path and connected with one end of each of the first and second covers, and the other end that is positioned in the accommodating space at an outer periphery of the airbag module; and a reinforcing fabric which has one end connected with the other end of the connecting tether, and the other end fixed to the airbag module.

Abstract: A structure for installing a side airbag includes: an airbag module; an airbag deployment guide path which is in communication with the outside of the vehicle seat from the accommodating space; first and second covers which surround the outside of the vehicle seat, and have one end inserted into the airbag deployment guide path; a connecting tether which has one end that is positioned at a tip portion in the airbag deployment guide path and connected with one end of each of the first and second covers, and the other end that is positioned in the accommodating space at an outer periphery of the airbag module; and a reinforcing fabric which has one end connected with the other end of the connecting tether, and the other end fixed to the airbag module.

Abstract: An airbag deployment method for a vehicle including a dual-stage inflator, the method including sensing a vehicle collision; sensing whether a passenger seated in a seat of the vehicle is a child or an adult; and deploying an airbag using the inflator depending on the sensed type of passenger. The inflator includes a low-pressure first chamber and a high-pressure second chamber. If the sensed passenger is a child, the low-pressure first chamber is initially activated. If the sensed passenger is an adult, the high-pressure second chamber is initially activated.

Abstract: The present invention relates to a detach core substrate and a method of manufacturing a detach core substrate. In accordance with one embodiment of the present invention, there is proposed a detach core substrate that a conductive layer including a metal layer with an etching property different from copper is formed on a top surface and a bottom surface of an insulating layer formed thereon a surface roughness. At this time, the contact interface between the top surface and the bottom surface of the insulating layer is the detachment interface to be separated during the manufacture of the circuit board. In addition, a method of manufacturing the detach core substrate is proposed.