Abstract: A camera module includes a housing having an internal space, and a first lens module and a second lens module disposed in the internal space and each configured to be movable in an optical axis direction, wherein a first shaft and a first ball member are disposed between the first lens module and the housing, wherein a second shaft and a second ball member are disposed between the second lens module and the housing, and wherein, when moving in the optical axis direction, rolling friction occurs on one of both sides of each lens module, and sliding friction occurs on the other of both sides.

Abstract: In a system for determining whether to replace an ion filter, the system includes a measurement unit configured for measuring an insulation resistance value of a fuel cell stack while a vehicle or a system is in operation, and a controller operatively connected to the measurement unit and configured to determine whether to replace the ion filter based on the insulation resistance value. Here, with one cycle from start to end of operation of the vehicle or the system, the controller is configured to determine a movement value based on the insulation resistance value measured at each of cycles, wherein the movement value is a moving average or a moving median for an average value or a median value of the insulation resistance value, and the controller is configured to determine whether to replace the ion filter based on at least one of the size of the movement value or the change rate of the movement value.

Abstract: Provided is an apparatus for image encoding, the apparatus including: a transmitter memory configured to store a program for encoding a stereoscopic 3D image; and an encoding processor configured to execute the program stored in the transmitter memory, wherein the encoding processor is configured to: generate a first stream and a second stream from a left image and a down-converted right image, decode the first stream and the second stream to generate a decoded left image and a first decoded right image; generate a third stream from the decoded left image, the first decoded right image, and an original right image, and decode the third stream to generate a second decoded right image; and generate a fourth stream from the second decoded right image and the original right image.

Abstract: In a method for manufacturing conductive polymer electrode by using drop casting, a conductive material is dispersed in a solution, to form a first mixing solution. A first polymer is added and dispersed to the first mixing solution, to form a second mixing solution. A second polymer solution is added and dispersed to the second mixing solution, to form a third mixing solution. The third mixing solution is dropped on a hot plate using a pipette and a solution of the third mixing solution is evaporated, to form a conductive polymer. The adhesive patch is formed. The adhesive patch is attached to the conductive polymer.

Abstract: A camera module includes a housing, a reflective member positioned in the housing and changing a direction of light to a direction of an optical axis, a carrier carrying the reflective member and rotatable about a first axis with respect to the housing, and a first ball group disposed between the housing and the carrier, wherein the first ball group includes a main ball member providing the first axis of the carrier, and an auxiliary ball member disposed away from the first axis, and one or both of the housing and the carrier partially accommodates the auxiliary ball member, and includes an auxiliary guide groove extended in a circumferential direction of the first axis.

Abstract: According to one embodiment, a magnetic memory device includes a stacked structure including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, a non-magnetic layer provided between the first magnetic layer and the second magnetic layer, and an oxide layer provided adjacent to the first magnetic layer, the first magnetic layer being provided between the non-magnetic layer and the oxide layer, and the oxide layer containing a rare earth element, boron (B), and oxygen (O).

Abstract: An embodiment is a side sill reinforcement structure of a vehicle, the structure including a side sill including a side sill inner panel, a side sill outer panel, and a side sill reinforcement installed in a space between the side sill inner panel and the side sill outer panel to define a closed cross-section, an extrusion disposed inside the side sill, having a closed cross-section, and having a partition structure therein, and a plurality of connection brackets provided in plural inside the side sill to fix the extrusion, and defining a plurality of closed cross-sections together with the side sill and the extrusion.

Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Abstract: An overlay measurement device for measuring an error between a first overlay mark and a second overlay mark respectively formed on different layers of a wafer, includes: a light source; an objective lens that concentrates a beam from the light source on a measurement position of the wafer, and gathers the beam being reflected in the measurement positon; a lens focus actuator that adjusts a distance between the objective lens and the wafer such that a focus surface is placed at the first overlay mark or the second overlay mark; an auto focus module that adjusts a focus by adjusting the lens focus actuator; a detector for obtaining an image of the first overlay mark or an image of the second overlay mark; a transmission and receipt part; and a processor connecting to the transmission and receipt part electrically.

Abstract: A camera module includes a housing, a reflective member positioned in the housing and changing a direction of light to a direction of an optical axis, a carrier carrying the reflective member and rotatable about a first axis with respect to the housing, and a first ball group disposed between the housing and the carrier, wherein the first ball group includes a main ball member providing the first axis of the carrier, and an auxiliary ball member disposed away from the first axis, and one or both of the housing and the carrier partially accommodates the auxiliary ball member, and includes an auxiliary guide groove extended in a circumferential direction of the first axis.

Abstract: The present disclosure relates to a self-regenerable fibrous adsorbent for heavy metal adsorption, which is capable of adsorbing heavy metal ions in water, growing them into crystals and desorbing the grown heavy metal crystals on its own, and a method for preparing the same. The self-regenerable fibrous adsorbent for heavy metal adsorption according to the present disclosure is a fibrous polymer consisting of PAN and PMMA, wherein amine functional groups are immobilized on the surface of the PAN and hydroxyl groups (—OH) are immobilized on the surface of the PMMA.

Abstract: An overlay measurement device for measuring an error between a first overlay mark and a second overlay mark respectively formed on different layers of a wafer, includes: a light source; an aperture that changes a beam from the light source to be suitable for photographing the first overlay mark or the second overlay mark; a detector for obtaining an image of the first overlay mark or an image of the second overlay mark; a transmission and receipt part; and a processor connecting to the transmission and receipt part electrically.

Abstract: An operation controller of a fuel cell and an operation control method thereof in a system for generating a drive output through a fuel cell and a battery includes a processor for selectively performing a driving stop control of the fuel cell through an operation variable including a required drive output and a load weight.

Abstract: A display device includes: a display module including: a display panel including a first display surface having a first side and a second side opposite the first side, a second display surface extending from the first side at an angle with respect to the first display surface, and a third display surface extending from the second side at an angle with respect to the first display surface; and an input sensing circuit on the display panel; a first adhesive member on the first display surface, the second display surface, and the third display surface, the first adhesive member including an acrylic-based material; a second adhesive member on the first adhesive member, and including at least one of a polyurethane-based material, a polyethersulfone-based material, a polyamide-based material, or an ethylene-vinyl acetate-based material; and a window member on the second adhesive member.

Abstract: The present disclosure relates to a movable protector for fixing a high-voltage wire used for a vehicle, which improves an operation of fastening a high-voltage connector using a movable clip absorbing a wiring slack length of, and maintaining a path for, the high-voltage wire.

Abstract: According to one embodiment, a magnetic memory device includes a stacked structure including a first magnetic layer having a fixed magnetization direction, a second magnetic layer having a variable magnetization direction, a non-magnetic layer provided between the first magnetic layer and the second magnetic layer, a molybdenum (Mo) layer provided on an opposite side of the non-magnetic layer with respect to the second magnetic layer, and an oxide layer provided between the second magnetic layer and the molybdenum (Mo) layer and containing a predetermined element selected from a rare earth element, silicon (Si) and aluminum (Al).

Abstract: A camera module includes a housing, a reflective member positioned in the housing and changing a direction of light to a direction of an optical axis, a carrier carrying the reflective member and rotatable about a first axis with respect to the housing, and a first ball group disposed between the housing and the carrier, wherein the first ball group includes a main ball member providing the first axis of the carrier, and an auxiliary ball member disposed away from the first axis, and one or both of the housing and the carrier partially accommodates the auxiliary ball member, and includes an auxiliary guide groove extended in a circumferential direction of the first axis.

Abstract: A core body temperature measurement device includes a body and an operation unit. The body is fixed to an ear canal of user. The operation unit is combined with a front side of the body, and is configured to be exposed to the ear canal or to be concealed inside, and has a sensor part. the sensor part measures a core body temperature of user when the operation unit is exposed to the ear canal.

Abstract: Disclosed are a three-dimensional (3D) simulation method and a 3D simulation apparatus. The 3D simulation method disclosed herein includes a step (S20) of separating point cloud data including a road, an obstacle, and a cargo transportation route into road data and obstacle data, a step (S40) of converting the road data into road mesh data, and converting the obstacle data into obstacle mesh data, a step (S60) of constructing a virtual environment by merging the road mesh data with the obstacle mesh data, a step (S80) of loading a specific cargo transportation route to the virtual environment, a step (S100) of loading a 3D transport truck and a 3D cargo to a predetermined point of the cargo transportation route, and a step (S120) of performing a route survey simulation while virtually driving the 3D transport truck and the 3D cargo along the cargo transportation route.

Abstract: A display device includes a display panel including a pressed area, a non-pressed area, and an alignment mark area defined on a rear surface overlapping the pressed area, a driving chip disposed on a front surface of the display panel overlapping the pressed area, and a cover panel disposed on the rear surface of the display panel. The cover panel includes a first functional layer disposed on the rear surface of the display panel overlapping the non-pressed area, a second functional layer disposed on the first functional layer, extending along the first functional layer, and disposed on the rear surface of the display panel overlapping the pressed area, and a third functional layer disposed on the second functional layer overlapping the pressed area.