Abstract: An antenna module is provided and includes a flexible circuit having a first antenna feed and a second antenna feed. The antenna module includes a ground plane. The antenna module includes a first antenna element coupled to the first antenna feed. The first antenna element includes a first ground short stub coupled to the ground plane. The first antenna element includes a first radiating element defining an omnidirectional radiation pattern. The first radiating element includes a first main segment extending along a first arcuate path. The antenna module includes a second antenna element coupled to the second antenna feed. The second antenna element includes a second ground short stub coupled to the ground plane. The second antenna element includes a second radiating element defining an omnidirectional radiation pattern. The second radiating element includes a second main segment extending along a second arcuate path oriented parallel to the first arcuate path.

Abstract: A private network system based on a mobile communication network, includes: a packet data processing system of a mobile communication core network to which a user terminal is attached; a traffic management device configured to retain an attachment policy that is set in advance; and a packet analysis device, configured to receive a packet that requests network attachment from the packet data processing system, extract attachment information of the user terminal from the packet, and compare the attachment information with the attachment policy of the traffic management device to control intranet or Internet attachment. The attachment policy includes at least one of a whitelist defining a target whose traffic is allowed or a blacklist defining a target whose traffic is blocked, and the packet data processing system is included in a private network system that is not controlled by a control policy device of the mobile communication core network.

Abstract: The present invention relates to a vibration test jig for a cylindrical battery cell, including: a main body for accommodating a cylindrical battery cell; and a connection unit electrically connected to an electrode terminal of the cylindrical battery cell, wherein the connection unit includes: a connection member electrically connected to the electrode terminal and withdrawn to the outside of the main body; a support member for supporting the connection member; and a fixing member for fixing the support member on the main body. The vibration test jig enables the cylindrical battery cell mounted in the jig to be electrically connected to an external voltage and resistance measuring device through the connection unit. During a vibration test, an electrical state of the battery cell can be monitored in real time, and it can be checked whether and when an electrode tab is disconnected by using the measured voltage or resistance value.

Abstract: Provided is a latency processing unit. The latency processing unit may include a plurality of multiplier-accumulator (MAC) trees configured to perform a matrix product operation for at least one of a plurality of partitions that implement an artificial intelligence (AI) model, streamlined memory access configured to connect each of the plurality of MAC trees to high bandwidth memory in which the at least one partition has been stored through a plurality of channels, a vector execution engine configured to perform an additional operation on results of the operation of the plurality of MAC trees, a local memory unit configured to store the results of the operation of the vector execution engine and an activation value, and an instruction scheduling unit configured to schedule the operations of the plurality of MAC trees and the vector execution engine.

Abstract: A device for monitoring a biosignal includes a support where an electrode is formed; an attachment part formed on a lower surface of the support, and provided with a first hole formed in a position corresponding to the electrode; a first cover layer configured to cover a lower surface of the attachment part, and provided with a second hole formed in a position corresponding to the first hole; an attachment pad electrically connected to the electrode via the first hole and the second hole; and a second cover layer configured to cover a part of the first cover layer where the attachment pad is exposed.

Abstract: A near field communication (NFC) antenna includes a carrier having a base and a support ring extending from the base. The support ring surrounds a central bore. The central bore is open through the carrier between a top of the carrier and a bottom of the carrier. The NFC Antenna includes an antenna element coupled to the carrier. The antenna element includes a conductor arranged as a cylindrical coil. The cylindrical coil extends along the support ring and surrounds the central bore.

Abstract: A near field communication (NFC) antenna includes a carrier having a disk including a first surface and a second surface. The disk surrounds a central bore. The central bore is open through the disk between a top of the carrier and a bottom of the carrier. The NFC antenna includes an antenna circuit on the disk. The antenna circuit includes a first pad and a second pad electrically connected to the first pad. The NFC antenna includes an electronic component at the first surface of the disk and coupled to the first pad. The NFC antenna includes an antenna element coupled to the second surface of the disk. The antenna element includes a conductor arranged as an RF coil. The RF coil extends along the disk and surrounds the central bore. An end of the RF coil is coupled to the second pad.

Abstract: Provided is a technology for increasing accuracy of position estimation by estimating a position of a signal source based on an error due to altitudes of a sensor and a signal source and an error due to a pitch of an aircraft as well as an error due to curvature of the earth. At this time, a position estimation method may include receiving measurement data from a plurality of sensors, estimating first position data of the signal source based on the measurement data, identifying an altitude error of the first position data, and estimating second position data that is data obtained by correcting the first position data based on the altitude error.

Abstract: Disclosed is a 5G NR antenna device. An antenna module includes an antenna material formed of a metal material and having a semi-planar inverted-F antenna (PIFA) structure, and a support formed in the shape of a hexahedron with side and bottom faces that are bent from the antenna material by stamping, wherein the support and the antenna material are formed as an integral body.

Abstract: The present disclosure relates to a catalyst for a fuel cell electrode including an active particle which includes a core comprising platinum, a transition metal excluding platinum, and an oxide of a non-transition metal; and a shell disposed on the core and including platinum, wherein the active particle includes platinum and the non-transition metal in a molar ratio of 100:1.80 to 100:4.00, a method of preparing the same, and a fuel cell including the same.

Abstract: An EPB (Electronic Parking Brake) control apparatus may include: a first EPB switch of an EPB; a first controller connected to two terminals among the plurality of terminals of the first EPB switch, and configured to calculate a first signal value by combining signals received from the two terminals, and diagnose the state of the first EPB switch according to the first signal value, and a second controller connected to the other two terminals among the plurality of terminals of the first EPB switch, and configured to calculate a second signal value by combining signals received from the two terminals, and diagnose the state of the first EPB switch according to the second signal value.

Abstract: The present invention relates to a vibration test jig for a cylindrical battery cell, including: a main body for accommodating a cylindrical battery cell; and a connection unit electrically connected to an electrode terminal of the cylindrical battery cell, wherein the connection unit includes: a connection member electrically connected to the electrode terminal and withdrawn to the outside of the main body; a support member for supporting the connection member; and a fixing member for fixing the support member on the main body. The vibration test jig enables the cylindrical battery cell mounted in the jig to be electrically connected to an external voltage and resistance measuring device through the connection unit. During a vibration test, an electrical state of the battery cell can be monitored in real time, and it can be checked whether and when an electrode tab is disconnected by using the measured voltage or resistance value.

Abstract: Disclosed herein is a display device including at least one pixel, wherein the pixel includes a first micro light emitting element including a first region that emits first light and a second region that does not emit the first light, a second micro light emitting element that emits second light, and a third micro light emitting element that emits third light, and the second region at least partially overlaps the second and third micro light emitting elements on a plane.

Abstract: The present invention relates to a coating composition which is for a wiper blade and is for forming a coating layer for lowering the coefficient of friction of a wiper blade rubber base on glass, the coating composition including a lubricant additive and a solvent, wherein the lubricant additive is functionalized graphene capable of self-adhesion to the wiper blade rubber base.

Abstract: An antenna assembly for use with a wireless communication wearable device. The antenna assembly includes a circuit board with components extending from a surface thereof. The antenna assembly has a first radiator antenna and a second radiator antenna which extends about the perimeter of the first antenna. A first slot is provided between the first radiator antenna and the second radiator antenna. The first slot separates the first radiator antenna from the second radiator antenna.

Abstract: Disclosed are a heat exchanger capable of cooling a coolant and a sewage treatment plant comprising same. An aspect of the present embodiment provides a sewage treatment plant which cools a coolant for dissipating heat of each component inside a data center, the sewage treatment plant comprising at least one removal means, for receiving sewage and removing organic material and pollutants in the sewage, and a cooling pipe, through which a coolant which has dissipated the heat of each component inside the data center flows, disposed inside the removal means so as to induce heat exchange between the treated water, from which organic material and pollutants of the sewage have been removed, and the coolant flowing through the cooling pipe, thereby lowering the temperature of the latter.

Abstract: The present disclosure relates to a method for preparing a fuel cell catalyst electrode, the fuel cell catalyst electrode prepared therefrom, a membrane electrode assembly including the fuel cell catalyst electrode, and a fuel cell including the membrane electrode assembly.

Abstract: An internal pressure measuring jig for a cylindrical battery cell, of the present invention, comprises: a lower jig which has a form corresponding to a cylindrical battery cell, and has a temperature measuring part and a receiving groove in which the cylindrical battery cell is separably inserted; and an upper jig which discharges gas inside the cylindrical battery cell, has a pressure measuring part for measuring the pressure of the discharged gas, and is separably coupled to the lower jig so as to close off an opening part of the receiving groove.

Abstract: The present invention relates to the system of allocating and rewarding to user through virtual space allocation and partition on physical space. The system discloses an imaging unit that receives physical space information and creates and divides virtual spaces in the physical space; an addressing unit that allocates addresses to each of the virtual spaces divided from the imaging unit; a supplying unit that allows users to select each of the virtual spaces; and a rewarding unit that provides an event generated from the physical space to overlap the virtual space and compensates the user according to the occurrence of a valid event.

Abstract: A secondary battery includes an electrode assembly in which electrodes and separators are alternately stacked to be wound, a can configured to accommodate the electrode assembly therein, having an opening in an upper end thereof, and provided with a beading part that is bent inward to form a recessed groove, a cap assembly seated on the beading part to cover the opening of the can, an extinguishing agent accommodated in the recessed groove to extinguish ignition when the secondary battery is ignited, and a sealing part configured to seal the recessed groove.