Abstract: A sensor shifting actuator is provided. The sensor shifting actuator include a first movable body in which an image sensor having an imaging surface is disposed, a fixed body in which the first movable body is disposed to be movable in first and second directions parallel to the imaging surface, a driving unit configured to provide a driving force to the first movable body, and a position sensing unit configured to sense a position of the first movable body and including a sensing coil disposed on any one of the first movable body and the fixed body and a sensing yoke unit disposed on the other thereof, wherein the sensing yoke unit includes a plurality of sensing yokes spaced apart from each other in a direction orthogonal to the imaging surface, and each sensing yoke is configured to change in width in a moving direction of the first movable body.

Abstract: A camera module is provided. The camera module includes a lens barrel in which at least one lens is installed; and a lens holder to which the lens barrel is fixedly installed, wherein one of the lens holder and the lens barrel is provided with a coupling protrusion, and the other thereof is provided with a coupling groove into which the coupling protrusion is inserted, the lens holder is provided with a support portion that supports one end portion of the lens barrel, wherein the one end portion of the lens barrel is disposed between the coupling protrusion and the support portion, and the support portion of the lens holder elastically supports the lens barrel in an optical axis direction.

Abstract: A camera module includes: a housing defining an internal space; a first lens module disposed in the internal space to move along an optical axis direction, the first lens module including at least one first bearing member; a second lens module disposed in the internal space to move along the optical axis direction, the second lens module including at least one second bearing member; a shaft disposed in the housing and supporting a first side of the first lens module and contacting the at least one first bearing member and supporting a first side of the second lens module and contacting the at least one second bearing member; at least one first ball member supporting a second side of the first lens module; and at least one second ball member supporting a second side of the second lens module.

Abstract: A sensor shifting module is provided. The module includes a fixed body, a movable body movably disposed inside the fixed body and including an image sensor having an imaging plane oriented in a first direction, and a driving unit moving the movable body in a direction, perpendicular to the first direction, with respect to the fixed body, and rotating the movable body about an axis parallel to the first direction. The driving unit includes a driving coil coupled to one of the fixed body and the movable body, and a driving yoke coupled to the other of the fixed body and the movable body, the driving yoke faces the driving coil in a direction perpendicular to the first direction. When a current is applied to the driving coil, the movable body moves in a direction perpendicular to the first direction, or rotates about an axis parallel to the first direction.

Abstract: A sensor shifting module includes a fixed body, a first movable body movably disposed on the fixed body and coupled to an image sensor having an imaging plane oriented in a first direction, and a first driver configured to rotate the first movable body about an axis orthogonal to the first direction with respect to the fixed body, wherein the first driver includes a tilt guide ball disposed between the fixed body and the first movable body to provide a tilt center for the first movable body with respect to the fixed body.

Abstract: A cellular antenna structure for integration in a vehicle includes a ground plane to follow a slope of a spoiler chassis. The spoiler chassis is a portion of the vehicle covered by a spoiler. The cellular antenna structure also includes a cellular antenna orthogonal to the ground plane and electrically connected to the ground plane and a structural support affixed to the ground plane to maintain a fixed position of the cellular antenna orthogonal to the ground plane.

Abstract: A windshield, vehicle and antenna assembly for the vehicle is disclosed. The antenna assembly includes an antenna and a signal coupler. The antenna is embedded within the windshield of the vehicle. The antenna is configured to receive signals over a first frequency band and a second frequency band separated from the first frequency band. The signal coupler electromagnetically couples to the antenna through the windshield.

Abstract: The present disclosure relates to a method for manufacturing a non-oriented electrical steel sheet and the manufactured non-oriented electrical steel sheet, the method including: heating a slab containing, by wt %, 0.005% or less of C, 2.5 to 4.0% or less of Si, 0.1% or less of P, 0.1 to 2.0% of Al, 0.2 to 2.5% of Mn, 0.003% or less of N, 0.005% or less of Ti and Nb, 0.003% or less of S, 0.005 to 0.025% of V, 0.1% or less of Cu, and a balance of Fe and inevitably mixed impurities, and satisfying the following Expression 1; hot-rolling the slab to manufacture a hot-rolled sheet; cold-rolling the hot-rolled sheet to manufacture a cold-rolled sheet; and performing final annealing on the cold-rolled sheet, wherein [Expression 1] is represented by (51*[C])/12?0.002?[V]?(51*[C])/12+0.004 (in Expression 1, [C] and [V] represent contents (wt %) of C and V, respectively).

Abstract: A lens module is provided. The lens module includes a first driving unit configured to move a first lens barrel along an optical axis direction; and a second driving unit configured to move a second lens barrel along the optical axis direction, wherein the second driving unit is disposed between the first lens barrel and the second lens barrel and is configured to change a distance between the first lens barrel and the second lens barrel.

Abstract: A windshield, vehicle and antenna assembly for the vehicle is disclosed. The antenna assembly includes an antenna and a signal coupler. The antenna is embedded within the windshield of the vehicle. The antenna is configured to receive signals over a first frequency band and a second frequency band separated from the first frequency band. The signal coupler electromagnetically couples to the antenna through the windshield.

Abstract: A method and apparatus for providing a chat service are provided. The method for providing a chat service according to one embodiment includes providing an invitation target list including a plurality of user groups to a user device of a user participating in a chat room, receiving, from the user device, an invitation request for one or more user groups selected as invitation target user group from among the plurality of user groups, and inviting the invitation target user group to the chat room.

Abstract: Methods are disclosed for fabricating a three-dimensional engineered blood retinal barrier (BRB) comprising a choroid and retinal pigment epithelial cells. The methods include the use of bioprinting. Also disclosed is a three-dimensional engineered BRB, and its use. Methods are also disclosed for using the three-dimensional engineered BRB, such as for the treatment of retinal degeneration in a subject or screening. A three-dimensional printing insert that is adapted for bioprinting on a culture substrate sheet that is securely retained within and exposed through a printing frame is also disclosed.

Abstract: A multi-antenna ground plane structure in a vehicle includes a first ground plane to be electrically connected to a fascia chassis. The fascia chassis is a portion of the vehicle covered by a fascia. A first side of the first ground plane seats two or more antennas. The multi-antenna ground plane structure also includes one or more additional ground planes affixed to a second side, opposite the first side, of the first ground plane. One of the one or more additional ground planes is attached to one or more antennas such that the one or more antennas is oriented opposite an orientation of the two or more antennas seated on the first ground plane.

Abstract: Disclosed is an unmanned robot for water quality management. An unmanned robot for water quality management according to the present disclosure includes a traveling unit provided with a pair of caterpillar treads mounted on both side surfaces of a body and including floating bodies having their own buoyancy, a drive motor that drives the traveling unit, a water quality measurement sensor that measures water quality of a water surface on which the unmanned robot for water quality management is operated, and a processor that controls the traveling unit so that the unmanned robot travels on the water surface to collect water quality data measured by the water quality measurement sensor.

Abstract: An inductor includes a body including a plurality of insulating layers and a plurality of coil patterns are disposed on each of the plurality of insulating layers, and first and second external electrodes disposed on an external surface of the body. The plurality of coil patterns are connected to each other by coil connecting portions and both end portions thereof are electrically connected to the first and second external electrodes through coil lead portions, respectively, to form a coil. The plurality of coil patterns include coil patterns disposed on an outer portion of the body and coil patterns disposed on an inner portion of the body, the coil patterns disposed on the inner portion of the body include first coil patterns electrically connected in parallel, and at least one of the first coil patterns includes an internal side portion having a shape different from shapes of remaining coil patterns.

Abstract: Methods are disclosed for fabricating a three-dimensional engineered blood retinal barrier (BRB) comprising a choroid and retinal pigment epithelial cells. The methods include the use of bioprinting. Also disclosed is a three-dimensional engineered BRB, and its use. Methods are also disclosed for using the three-dimensional engineered BRB, such as for the treatment of retinal degeneration in a subject or screening. A three-dimensional printing insert that is adapted for bioprinting on a culture substrate sheet that is securely retained within and exposed through a printing frame is also disclosed.

Abstract: An inductor includes a body including a plurality of insulating layers and a plurality of coil patterns are disposed on each of the plurality of insulating layers, and first and second external electrodes disposed on an external surface of the body. The plurality of coil patterns are connected to each other by coil connecting portions and both end portions thereof are electrically connected to the first and second external electrodes through coil lead portions, respectively, to form a coil. The plurality of coil patterns include coil patterns disposed on an outer portion of the body and coil patterns disposed on an inner portion of the body, the coil patterns disposed on the inner portion of the body include first coil patterns electrically connected in parallel, and at least one of the first coil patterns includes an internal side portion having a shape different from shapes of remaining coil patterns.

Abstract: The present disclosure relates to a method for preparing graphene, including: forming a dielectric material; and applying heat treatment concurrently with a gaseous carbon source on the dielectric material to grow.

Abstract: A vehicle includes a spoiler and an antenna assembly for the vehicle. The spoiler includes a support surface and a cover attachable to the support surface to form a cavity with the support surface. The antenna assembly includes a circuit board, antenna and support beam. The circuit board is attachable to the support surface. The support beam extends from the circuit board and the antenna is at an end of the support beam opposite the circuit board. The antenna is disposed within the cavity.

Abstract: A cellular antenna structure for integration in a vehicle includes a ground plane to follow a slope of a spoiler chassis. The spoiler chassis is a portion of the vehicle covered by a spoiler. The cellular antenna structure also includes a cellular antenna orthogonal to the ground plane and electrically connected to the ground plane and a structural support affixed to the ground plane to maintain a fixed position of the cellular antenna orthogonal to the ground plane.