Electronics and Telecommunications Research Institute

Korea Institute of Energy Research

Miele & Cie. Kg

Yujin Robot Co., Ltd.

Samsung Display Co., Ltd.

Fine Dnc Co., Ltd.

Fine M-tec Co., Ltd.

Chang Soo Kim

Seok Hee Park

Tae Hyun Yang

Young Jun Sohn

Gu Gon Park

Sung Dae Yim

Seong Ju Park

Min Jin Kim

Hag Young Kim

Young Woo Choi

Young Gi Yoon

Sung Chun Hong

Yong Ju Lee

Jin Yong Sim

Young Ho Kim

Byungchan Bae

Minjin Kim

Se Yong Kim

Jung Hyun Cho

Byung Chan Bae

Bum Joo Shin

Dong Jae Kang

Choon Seo Park

Ok Gee Min

Mi Soon Lee

Won Yong Lee

Song Woo Sok

Joong Soo Lee

Seung Gon Kim

Yu Hyeon Bak

Won Jae Lee

Hun Soon Lee

Mi Young Lee

Myung Joon Kim

Hye Jin Lee

Hyun Taek Jung

Dong Won Shin

Byung Kwon Moon

Dong Hyeon Seo

Sung Jin Hur

Jin Hwan Jeong

Hwan Yeong Oh

Sung Hee Shin

Kwang Hyun Chang

Nu Rim Han

Jin Baek Kim

Ji Gwan Park

In Hwan Kwon

Jee Seon Kim

Eun Ja Lim

Seong Hun Cho

Kyoung Hyun Park

Sung Dae Lim

Jin Hwang Jeong

Mai Hai Thanh

Kyoung Youn Kim

Mi-Soon Lee

Yoo Hyun Park

Eong Hyeon Seo

A hinge device of a portable terminal with a foldable structure according to the present invention includes: housing positioned between one end of a first body and one end of a second body; first hinge blade and second hinge blade fixed to the first body and the second body, respectively, and supported against the housing to rotate at a predetermined angle between an 'unfolded position' in which the first body and the second body are placed on the same horizontal line and a ‘folded position’ in which the first body and the second body face each other and thus come into contact with each other; and first interlocking gear and second interlocking gear for interlocking the first hinge blade and the second hinge blade with each other so that the first hinge blade and the second hinge blade move relative to each other, wherein the first interlocking gear and the second interlocking gear are mounted on the corresponding housing in such a way as to rotate relative to each other by a predetermined angle around gear shafts by engaging with each other and, on the upper sides of the first interlocking gear and the second interlocking gear a plurality of first gear-side protrusions and second gear-side protrusions are arranged radially in circumferential directions around the gear shafts, and on the undersides of the first hinge blade and the second hinge blade a plurality of first blade-side protrusions and second blade-side protrusions engaging with the first gear-side protrusions and the second gear-side protrusions through rotations are arranged radially in circumferential directions around rotary axes of the first and second hinge blades.

Hinge device of portable terminal with foldable structure

A moving path planning apparatus and method for a robot according to the exemplary embodiment of the present disclosure determine an actual moving path using a robot parameter set in advance on the basis of a moving path pattern acquired for every sub region of the map to determine an actual moving path of the robot in consideration of the turning radius of the robot.

Moving path planning apparatus and method for robot

The region segmentation apparatus and method for map decomposition of a robot according to the exemplary embodiment of the present disclosure segment the grid map into a plurality of regions in consideration of the graphic characteristic of the space and obstacles disposed in the space.

Region segmentation apparatus and method for map decomposition of robot

Disclosed are a mobile robot operation control method for safety management of a cleaning module and an apparatus therefor. The mobile robot operation control method for safety management according to an exemplary embodiment of the present disclosure includes a current measuring step of measuring a current value by sensing a current for a motor which is connected to a cleaning module to be driven; a cleaning module safety management step of determining a state of the cleaning module based on the measured current value and determining a safety management control mode based on the determination result; and an operation control step of controlling an operation of a mobile robot based on the safety management control mode.

Mobile robot operation control method for safety management of cleaning module and apparatus therefor

A foldable display device includes a hinge, a support plate connected to opposite ends of the hinge and a display panel module disposed on the support plate. The hinge includes a rotation axis module having a rotation axis. A first slider is connected to the rotation axis and includes a first guide line. A second slider is connected to the support plate and includes a second guide line. A link arm includes a link arm body. The link arm body has a link arm rotation axis disposed at a first end of the link arm body and a link arm pin hole disposed at a second end of the link arm body. A link arm pin is configured to extend through the link arm pin hole, the first guide line and the second guide line.

Foldable display device

Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.

Membrane-electrode assembly and method for manufacturing the same

A foldable display device according to an exemplary embodiment includes a first body and a second body, and a hinge unit which is connected between the first body and the second body. The hinge unit includes a first joint which includes a first recess, a second joint which faces the first joint, a third joint disposed at one side of the first joint, a first leaf spring disposed in the first recess, and a first fastener fixed to the third joint through the first leaf spring and the first joint.

Provided are a metal oxide-carbon nanomaterial composite, a method of preparing the metal oxide-carbon nanomaterial composite, a catalyst, a method of preparing the catalyst, and a catalyst layer that includes the catalyst and that is used for fuel cell electrodes. The metal oxide-carbon nanomaterial composite includes a metal oxide particle having a specific surface area of 5 square meters per gram (m2/g) or less, and a carbon nanomaterial formed on a surface of the metal oxide particle. The catalyst includes a metal oxide-carbon nanomaterial composite in which a carbon nanomaterial is formed on a metal oxide particle, and an active metal particle formed on a surface of the carbon nanomaterial.

Metal oxide-carbon nanomaterial composite, method of preparing the same, catalyst, method of preparing the same, and catalyst layer for fuel cell electrodes

Disclosed are a system and a method for address translation for a flash memory device, and particularly, disclosed is a technology that is capable of efficiently performing address translation between a logical address provided to the outside of a flash memory and a physical address of an actual flash memory in managing the flash memory device. The system includes: a flash memory system writing a corresponding data page by allocating a physical address space when there is a request for writing a data page from storage clients, and performing address translation between a physical address and a logical address; and a logical address space formed between the flash memory system and the storage client to provide the logical address.

System and method for efficient address translation of flash memory device

The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (A) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (B) mixing the mixture with a photoinitiator; (C) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (D) pulverizing crosslinked polymerized resin to a nano size.

Anion binder for solid alkaline fuel cell, method of preparing the same and membrane-electrode assembly

An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells. A method comprises, (A) preparing anion exchange electrolyte precursor solution, said anion exchange electrolyte precursor solution consisting of a electrolyte monomer of tetravalent ammonium salt having a cation, a bisacrylamide crosslinker having tertiary amine functional group, an initiator and water; (B) impregnating a porous polymer supporter into said electrolyte precursor solution; (C) forming primary anion exchange crosslink polymer electrolyte micropore filling membrane by laminating said polymer supporter and crosslinking within a film; (D) deriving quanternary ammonium of said crosslinker having tertiary amine functional group by immersing said primary anion exchange crosslink polymer electrolyte micropore filling membrane in Vinylbenzyl chloride monomer solution; and (E) preparing composite membrane filled with crosslinked polymer electrolytes by crosslinking after said ammonium deriving is complete, said crosslinking being radical polymerizing vinyl group of said electrolyte micropore filling membrane.

Anion exchange composite membrane filled with crosslinked polymer electrolytes for fuel cells and method for preparing the same

A highly proton conductive polymer electrolyte composite membrane for a fuel cell is provided. The composite membrane includes crosslinked polyvinylsulfonic acid. The composite membrane is produced by impregnating a mixed solution of vinylsulfonic acid as a monomer, a hydroxyl group-containing bisacrylamide as a crosslinking agent and a photoinitiator or thermal initiator into a microporous polymer support, polymerizing the monomer, and simultaneously thermal-crosslinking or photo-crosslinking the polymer to form a chemically crosslinked polymer electrolyte membrane which is also physically crosslinked with the porous support. Further provided is a method for producing the composite membrane in a simple manner at low cost as well as a fuel cell using the composite membrane.

Highly proton conductive crosslinked vinylsulfonic acid polymer electrolyte composite membranes and its preparation method for polymer electrolyte fuel cells

Disclosed is a dynamic load balancing system. The dynamic load balancing system includes a resource management master managing bare servers that do not execute services and having a hierarchical structure and a service master dynamically allocating the bare servers to a load balancing server or a service execution server or dynamically releasing the pre-allocated load balancing server or service execution server by the bare servers, in consideration of monitoring information on a state or performance of a server and service requirements to be provided.

Dynamic load balancing system and method thereof

Provided are a system and a method for distributing multimedia streaming service request based on wide area network which can efficiently support multimedia streaming service in wide area network. The system for distributing multimedia streaming service request based on wide area network includes a user terminal, a wide area server, and a local server. The user terminal requests multimedia streaming service. The wide area server for selecting a local server which is disposed nearest to the user terminal and has node availability and service availability, and providing contents requested by the user terminal to the selected local server. The local server provides the multimedia streaming service to the user terminal using the contents provided from the wide area server.

System and method for distributing multimedia streaming service request based on wide area network

Provided are a method and apparatus for obtaining a minimum cost vector for making a skyline object in a multi-dimensional space. The method includes calculating respective vector values having a query point and respective moving points to which the query point is moved as both end points in a multi-dimensional space having a plurality of coordinate axes, and selecting a vector value whose moving point is included in a skyline and has the minimum distance value from the query point as the minimum vector value from among the vector values.

Method and apparatus for obtaining minimum cost vector for making skyline object in multi-dimensional space

Growing community of inventors

Incheon, South Korea

Chang Soo Kim