Abstract: A camera actuator comprises: a housing; a driving unit which is loaded in the housing, and which includes a vibration generator generating vibration from an input power source and a shaft vibrating in a first direction by means of the vibration generated by the vibration generator; an optical unit, which implements zoom and auto focusing while being driven in the first direction in the housing by means of the vibration of the shaft; and a frictional movement unit for connecting the shaft and the optical unit to transfer the first directional vibration of the shaft to the optical unit.

Abstract: Provided is yarn for a cell culture scaffold. The yarn for a cell culture scaffold according to an exemplary embodiment of the present invention includes slitting yarn produced by cutting a compressed nanofiber web to a predetermined width. Accordingly, by creating microenvironments suitable for migration, proliferation and differentiation of cells, cell viability may be enhanced and cells may be three-dimensionally proliferated. In addition, a scaffold according to the present invention has a mechanical strength sufficient for prevention of disruption of the scaffold which occurs during cell culture, such that cells may be stably proliferated. Further, the scaffold according to the present invention uses slitting yarn formed of the compressed nanofiber web, thereby having pores with various sizes, and therefore cell proliferation and cell viability may be enhanced by creation of an extracellular matrix-like environment.

Abstract: A display device which includes a display assembly including a first non-folding region and a second non-folding region disposed in a first direction and a folding region disposed between the first and second non-folding regions, a first body disposed under the first non-folding region, a second body disposed under the second non-folding region, a hinge assembly that is disposed between the first body and the second body and defining biaxial rotational axes extending parallel to a second direction intersecting the first direction, a first bracket and a second bracket disposed on opposite sides of the hinge assembly opposite each other in the second direction, the first bracket and the second bracket being disposed in the first direction and adjacent to the biaxial rotational axes, and a plurality of protrusions that are connected to the opposite sides of the hinge assembly and protruding between the first bracket and the second bracket.

Abstract: A method for encoding a bitstream is described. The method includes receiving, by an error correction unit, the bitstream; performing, by the error correction unit, encoding on the bitstream to generate an encoded bit stream that includes the bitstream and parity bits; processing, by a constellation unit, the encoded bitstream to generate constellation points in one or more encoded streams; determining, by a low-density parity-check (LDPC) tone mapper, a distance between subcarriers in an Orthogonal Frequency Division Multiplexing (OFDM) symbol of the frame; and performing, by the LDPC tone mapper, LDPC tone mapping based on the one or more encoded streams and on the determined distance to generate a permuted stream of complex numbers, wherein the distance between subcarriers is determined to be either (1) 18 for a first resource unit size used in the frame and (2) 20 for a second resource unit size used in the frame.

Abstract: A foldable container according to an exemplary embodiment of the present disclosure includes: a lower panel; an upper panel provided in parallel with the lower panel; first and second lateral panels of which upper and lower ends are respectively connected to the upper panel and the lower panel to be rotatable along a longitudinal direction of the upper panel and the lower panel and which are configured to be folded toward the inside of the foldable container; and front and rear panels connected to the lower panel to be rotatable along a transverse direction of the lower panel.

Abstract: A method is described for generating and transmitting a frame by a station. The method includes generating a frame that includes a signaling field and a data field, wherein the signaling field includes a midamble indication that indicates a midamble periodicity used in the data field of the frame and wirelessly transmitting the frame to a recipient.

Abstract: An actuator for driving zoom includes a first carrier, wherein the first carrier includes a first mounter and a first lens assembly is mounted on the first mounter, a first supporting part provided on a first side of the first mounter and extending in a first direction, and a first guider provided on a second side of the first mounter and extending in the first direction. A second carrier includes a second mounter, wherein a second lens assembly is mounted on the second mounter, a second supporting part provided on a first side of the second mounter and extending in a second direction opposite to the first direction, and a second guider provided on a second side of the second mounter and extending in the second direction. A first passage provided between the first mounter and the first supporting part and the second guider is inserted into the first passage.

Abstract: Proposed herein are a signal control apparatus and method. The signal control apparatus includes: a photographing unit configured to acquire a plurality of intersection images by capturing a plurality of intersections; a storage configured to store a program for the control of traffic signals; and a controller including at least one processor, and configured to calculate control information for the control of traffic lights at each of the plurality of intersections using the intersection images acquired through the photographing unit by executing the program. The controller calculates control information for the control of traffic lights at each of the plurality of intersections based on action information calculated by a plurality of agents by using a plurality of agents based on a reinforcement learning model trained by outputting action information for the control of traffic lights while using state information and a reward as input values.

Abstract: A method is described for generating and transmitting a frame by a station. The method includes determining a bandwidth of a frame to be transmitted by the station; generating a long training field for the frame, wherein the long training field includes a set of pilot tones located at a set of subcarrier positions, wherein when the bandwidth of the frame is 10 MHz, the set of subcarrier positions include four subcarrier positions and the four subcarrier positions are set as {?21-?1,?7-?2,7+?3,21+?4} where ?1, ?2, ?3, and ?4 are odd values, and wherein when the bandwidth of the frame is 20 MHz, the set of subcarrier positions include six sub carrier positions, including {?53-?1,?25-?2,?11-?3, 11+?4,25+?5,53+?6} where ?1, ?2, ?3, ?4, ?5, and ?6 are odd values.

Abstract: The present invention relates to a method for constructing a structure, the method comprising constructing an underground structure on the ground, and then constructing the structure in the ground by sinking same into the ground.

Abstract: Provided is a foldable container automatic folding system including: a transfer unit on which the foldable container is mounted and which transfers the foldable containers; an introduction unit in which fasteners fastened to the foldable container are disassembled at a position where the transfer unit starts a folding operation; an operation unit which includes foldable container folding device that are disposed adjacent to the introduction unit and each located at front and rear surfaces of the foldable container to fold and unfold the foldable container; a locking unit which is disposed adjacent to the operation unit, stacks the foldable containers that are folded after the folding operation is completed by the operation unit, and performs a locking operation to make the folded foldable containers into one bundle unit; and a discharge unit in which a plurality of foldable containers wait to be transported and stored.

Abstract: A method for encoding a bitstream is described. The method includes receiving, by an error correction unit, the bitstream; performing, by the error correction unit, encoding on the bitstream to generate an encoded bit stream that includes the bitstream and parity bits; processing, by a constellation unit, the encoded bitstream to generate constellation points in one or more encoded streams; determining, by a low-density parity-check (LDPC) tone mapper, a distance between subcarriers in an Orthogonal Frequency Division Multiplexing (OFDM) symbol of the frame; and performing, by the LDPC tone mapper, LDPC tone mapping based on the one or more encoded streams and on the determined distance to generate a permuted stream of complex numbers, wherein the distance between subcarriers is determined to be either (1) 18 for a first resource unit size used in the frame and (2) 20 for a second resource unit size used in the frame.

Abstract: A method includes determining, by a Media Access Control (MAC) layer of a first wireless station, a total length of user data in a first Physical Layer (PHY) Protocol Data Unit (PPDU); determining, by the MAC layer, a Hybrid Automatic Repeat Request (HARQ) block size; adding a first indication to a transmission vector, wherein the first indication indicates the total length of user data in the first PPDU; adding a second indication to the transmission vector, wherein the second indication indicates the HARQ block size; passing the transmission vector to a PHY layer of the first wireless station; generating, by the PHY layer, the first PPDU based on the first indication and the second indication, wherein the first PPDU includes a first set of HARQ blocks that each have a size equal to the HARQ block size; and transmitting the first PPDU to a second wireless station.

Abstract: A method for encoding a bitstream is described. The method includes receiving, by an error correction unit, the bitstream; performing, by the error correction unit, encoding on the bitstream to generate an encoded bit stream that includes the bitstream and parity bits; processing, by a constellation unit, the encoded bitstream to generate constellation points in one or more encoded streams; determining, by a low-density parity-check (LDPC) tone mapper, a distance between subcarriers in an Orthogonal Frequency Division Multiplexing (OFDM) symbol of the frame; and performing, by the LDPC tone mapper, LDPC tone mapping based on the one or more encoded streams and on the determined distance to generate a permuted stream of complex numbers, wherein the distance between subcarriers is determined to be either (1) 18 for a first resource unit size used in the frame and (2) 20 for a second resource unit size used in the frame.

Abstract: The present disclosure suggests a locking device for containers. A locking device for containers according to an exemplary embodiment of the present disclosure includes: a housing including a base part, a protrusion protruded upwards from an upper surface of the base part, and a through hole formed by penetrating the base part and the protrusion in a vertical direction; a connection part rotatably inserted into the through hole of the housing; an upper cone positioned on the connection part and inserted into a lower corner fitting of a first container positioned on an upper end; and a lower cone positioned under the connection part and inserted into an upper corner fitting of a second container positioned on a lower end.

Abstract: Provided is an apparatus for authoring a motion of an avatar, the apparatus capable of editing a motion of an avatar by defining a body of the avatar using a hierarchical tree structure, selecting a motion clip corresponding to a level of a body part corresponding to a node selected using the tree structure, and assigning the selected motion clip and a sub-motion clip as motion clips of the body part of the selected node and a sub-body part.

Abstract: A method includes determining, by a Media Access Control (MAC) layer of a first wireless station, a total length of user data in a first Physical Layer (PHY) Protocol Data Unit (PPDU); determining, by the MAC layer, a Hybrid Automatic Repeat Request (HARQ) block size; adding a first indication to a transmission vector, wherein the first indication indicates the total length of user data in the first PPDU; adding a second indication to the transmission vector, wherein the second indication indicates the HARQ block size; passing the transmission vector to a PHY layer of the first wireless station; generating, by the PHY layer, the first PPDU based on the first indication and the second indication, wherein the first PPDU includes a first set of HARQ blocks that each have a size equal to the HARQ block size; and transmitting the first PPDU to a second wireless station.

Abstract: A method for encoding a bitstream is described. The method includes receiving, by an error correction unit, the bitstream; performing, by the error correction unit, encoding on the bitstream to generate an encoded bit stream that includes the bitstream and parity bits; processing, by a constellation unit, the encoded bitstream to generate constellation points in one or more encoded streams; determining, by a low-density parity-check (LDPC) tone mapper, a distance between subcarriers in an Orthogonal Frequency Division Multiplexing (OFDM) symbol of the frame; and performing, by the LDPC tone mapper, LDPC tone mapping based on the one or more encoded streams and on the determined distance to generate a permuted stream of complex numbers, wherein the distance between subcarriers is determined to be either (1) 18 for a first resource unit size used in the frame and (2) 20 for a second resource unit size used in the frame.

Abstract: A method is described for generating and transmitting a frame by a station. The method includes determining a bandwidth of a frame to be transmitted by the station; generating a long training field for the frame, wherein the long training field includes a set of pilot tones located at a set of subcarrier positions, wherein when the bandwidth of the frame is 10 MHz, the set of subcarrier positions include four subcarrier positions and the four subcarrier positions are set as {?21-?1,?7-?2,7+?3,21+?4} where ?1, ?2, ?3, and ?4 are odd values, and wherein when the bandwidth of the frame is 20 MHz, the set of subcarrier positions include six sub carrier positions, including {?53-?1,?25-?2,?11-?3, 11+?4,25+?5,53+?6} where ?1, ?2, ?3, ?4, ?5, and ?6 are odd values.

Abstract: Disclosed is a technique for a multimedia authoring tool embodied in a computer program. A voice clip is displayed on a timeline, and a playback time point for each syllable and pronunciation information of the corresponding syllable are also displayed. Also, a motion clip may be edited in synchronization with the voice clip on the basis of the playback time point for each syllable. By moving a syllable of the voice clip along the timeline, a portion of the voice clip may be altered.