Abstract: A method of providing a virtual reality-based three-dimensional interface for a web object search and a real time metadata representations and a web search system using the three-dimensional interface thereof are provided. In this method, a plurality of nodes each in which a node identification label string to which an information page is linked is together written and a plurality of links connecting the plurality of nodes, respectively, are displayed in a three-dimensional form that is either static or spinning. Thereafter, by performing an action of reduction, enlargement, movement, rotation, expanding, hiding, removal, and addition in a three-dimensional object that is formed with the node and the link that are displayed in the three-dimensional form according to a user input, the three-dimensional object is displayed or an information page that is linked to a node that is selected by the user is displayed.

Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).

Abstract: Provided is a method and system for controlling an Internet of Things (IoT) device. An IoT control method configured as a computer may include registering an IoT device as a buddy through an open application programmer interface (API) of a messenger service platform; creating a group chat room by grouping a plurality of IoT devices among IoT devices registered as the buddy; and providing a messaging service participated in by the plurality of IoT devices through the group chat room.

Abstract: Substrate embedded horn antenna includes a dielectric, metal patterns, metal vias and a ground plate. The metal patterns are embedded by being stacked in dielectric. Metal patterns are hollow rectangle types or hollow circle types. Metal vias connect layers of metal patterns by being embedded between layers of metal patterns. Ground plate is formed in an upper side of dielectric. Metal patterns form waveguide structure by being stacked in radial shape. Waveguide structure propagates electromagnetic wave by focusing electromagnetic wave. Embedded horn antenna capable of selectively using vertical radiation and horizontal radiation may be implemented using the via and metal pattern in dielectric substrate. Embedded horn antenna may be implemented in small size with high gain. Vertical embedded horn antenna and horizontal embedded horn antenna may be implemented in a substrate. Method of manufacturing embedded horn antenna capable of selectively using vertical radiation and horizontal radiation may be provided.

Abstract: Disclosed is a printed-circuit board (PCB) structure having an electromagnetic-tunnel-embedded architecture, the PCB structure including a PCB, and an EM-tunnel-embedded in the PCB, wherein the EM-tunnel includes a dielectric core and a metal clad which surrounds the dielectric core and has at least one port exposed to a surface of the PCB.

Abstract: An operation method of a flash memory system includes a hard decision decoding on a codeword and a soft decision decoding on an error message block. The hard decision decoding on a codeword and the codeword comprises message blocks encoded with row constituent codes and column constituent codes according to a block-wise concatenated BCH (BC-BCH) method. When the hard decision decoding fails, the error message block to which the hard decision decoding fails among a plurality of the message blocks is identified. Soft decision information corresponding to the row constituent codes and the column constituent codes of the error message block is generated and the soft decision decoding on the error message block based on the soft decision information is performed.

Abstract: A tunneling field-effect transistor may be provided that includes: a substrate; a source which is formed on the substrate and into which p+ type impurity ion is injected; a drain which is formed on the substrate and into which n+ type impurity ion is injected; a plurality of vertically stacked nanowire channels which are formed on the substrate; a gate insulation layer which is formed on the plurality of nanowire channels; and a gate which is formed on the gate insulation layer. As a result, it is possible to generate a higher driving current without changing the length of the gate and the area of the channel (degree of integration).

Abstract: An organic light emitting display device includes pixels positioned at crossing regions between data lines and scan lines, each of the pixels including an organic light emitting diode, a scan driver configured to supply a scan signal to scan lines, a data driver configured to drive the data lines, wherein the data driver includes, in each channel, a supply part comprising a digital-to-analog converter configured to generate data signals using second data supplied from outside in a driving period, and a deterioration part configured to measure deterioration information of the organic light emitting diode using the digital-to-analog converter in a sensing period.

Abstract: A dual antenna for wireless communication transmission (WPT) and near field communication (NFC) includes a loop antenna, and a dual loop antenna disposed at an inside and an outside of the loop antenna.

Abstract: The present invention relates to an apparatus for pressurizing delivery of a low-temperature liquefied material, and more particularly, to an apparatus for pressurizing delivery of a low-temperature liquefied material, which can convert the low-temperature liquefied material into a high-pressure gas and easily deliver the gas without causing changes in a composition and flashing phenomenon.

Abstract: An access point and a method for controlling an IoT (Internet of Things) device, using the access point. The method includes receiving a request for a service list from a user terminal through a smart access point communication with one or more IoT devices provided in one space; providing a list of virtual objects which are able to be provided out of virtual objects corresponding to the one or more IoT devices to the user terminal as the service list; receiving a control service request generated from the service list of the user terminal; identifying an IoT device corresponding to the control service request and requesting the identified IoT device for IoT control; and renewing a state of a virtual object corresponding to the identified IoT device based on a response of the identified IoT device and transmitting information on the state renewal to the user terminal.

Abstract: Disclosed are a method for capturing content provided on a TV screen and connecting the content with a social service by using a second device, and a system therefor. A capture service system comprises: a service server for obtaining profile information on a user from a social service server in which a second terminal or the user is registered, if the user requests content, which is being reproduced in a first terminal, to be captured by using the second terminal; and a media server for capturing an image or video of the content according to copyright information of the content requested to be captured by the user. At this point, the service server can receive the captured image or video from the media server and provide the received image or video to the second terminal.

Abstract: There are provided an oxide dielectric having excellent properties and a solid state electronic device (e.g., a capacitor, a semiconductor device, or a small electromechanical system) having such an oxide dielectric. An oxide layer 30 includes an oxide dielectric (possibly including inevitable impurities) including bismuth (Bi) and niobium (Nb) and having a first crystal phase of a pyrochlore-type crystal structure and a second crystal phase of a ?-BiNbO4-type crystal structure. The oxide layer 30 has a controlled content of the first crystal phase and a controlled content of the second crystal phase, in which the first crystal phase has a dielectric constant that decreases with increasing temperature of the oxide layer 30 in a temperature range of 25° C. or more and 120° C. or less, and the second crystal phase has a dielectric constant that increases with increasing temperature of the oxide layer 30 in the temperature range.

Abstract: A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.

Abstract: A multi-bit capacitorless DRAM according to the embodiment of the present invention may be provided that includes: a substrate; a source and a drain formed on the substrate; a plurality of nanowire channels formed on the substrate; a gate insulation layer formed in the plurality of nanowire channels; and a gate formed on the gate insulation layer. Two or more nanowire channels among the plurality of nanowire channels have different threshold voltages. Each of the nanowire channels includes: a silicon layer; a first epitaxial layer which is formed to surround the silicon layer; and a second epitaxial layer which is formed to surround the first epitaxial layer. As a result, the high integration multi-bit capacitorless DRAM which operates at multi-bits can be implemented and a performance of accumulating excess holes can be improved by using energy band gap.

Abstract: Provided is a method of providing an augmented reality interaction service, the method including: generating reference coordinates based on a 3-dimensional (3D) image including depth information obtained through a camera; segmenting a region corresponding to a pre-set object from the 3D image including the depth information obtained through the camera, based on depth information of the pre-set object and color space conversion; segmenting a sub-object having a motion component from the pre-set object in the segmented region, and detecting a feature point by modeling the sub-object and a palm region linked to the sub-object based on a pre-set algorithm; and controlling a 3D object for use of an augmented reality service by estimating a posture of the sub-object based on joint information of the pre-set object provided through a certain user interface (UI).

Abstract: Disclosed are a method for predicting collapse of a structure using throw-type sensors and a system for the same. The system includes at least one throw-type sensor for measuring a collapse characteristic of a structure on fire after having been thrown into the structure in a fireplace and wirelessly transmitting measured data, and a computer for receiving the measured data transmitted from the at least one throw-type sensor and predicting whether or not the structure on fire will collapse by analyzing the measured data.

Abstract: A class-D amplifier includes an error amplification circuit, a duty signal generator, a level selection circuit, a driver and control block and an output stage. The class-D amplifier divides peal levels of an error signal into multi-level and changes a scheme for modulating the error signal when the error signal crosses each level boundary of the multi-level thereby to have an effect such as the error signal is folded. Therefore, the class-D amplifier drives output nodes with multi-level and thus the class-D amplifier may increasing efficiency while reducing EMI.

Abstract: A hard panel of wall and floor structures for reducing floor impact sound according to example embodiments includes patterned layer having different density and elastic modulus form a base layer. A transmission path of an acoustic wave may be changed in a lateral direction by passing the patterned layer and the sound energy is dissipated by the refection, refraction, and cancellation of the acoustic wave. Thus, a noise is reduced. The hard panel of the wall and floor structures according to example embodiments is effectively reduces the light and heavy impact sounds. In addition, the hard panel is formed by at least one patterned layer to refract and reflect the acoustic wave such that the floor noise may be effectively dissipated. The hard panel is further includes the sound absorbing material to absorb the noise passing through the hard panel such that the floor noise can be effectively reduced.

Abstract: The present invention relates to a microstrip circuit and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a microstrip circuit. The microstrip circuit includes a feeding line providing a signal, a probe being connected to one end of the feeding line, and a patch emitting the signal to a waveguide. The patch is disposed in a layer opposite to a layer in which the feeding line and the probe are disposed, with a core substrate being positioned therebetween. At least one of length of the probe, thickness of the core substrate, and permittivity of the core substrate is determined based on bandwidth of a transition between the microstrip circuit and the waveguide.