Patent application number | Description | Published |
20110152461 | RESIN HAVING SUPERIOR IMPACT STRENGTH AND COLOR, AND METHOD FOR PREPARING THE SAME - Disclosed is a resin having excellent impact resistance and color, and a method of preparing the same, and more specifically, a resin having the excellent impact resistance and color, and a method of preparing the same, in which the resin includes (a) an occlusion seed consisting of i) a base seed including 99.95 to 99 wt % of alkyl methacrylate and 0.05 to 1 wt % of crosslinker, and ii) a copolymer of aromatic vinyl compound and alkyl acrylate occluding the base seed; (b) a polymer core surrounding the occlusion seed; and (c) a polymer shell surrounding the core, and according to the present invention, it is effective in providing a resin having superior impact strength, transparency, and color, in which the resin can be used as an excellent impact modifier when applying on a polymethylmethacrylate resin, and a method of preparing the same. | 06-23-2011 |
20140350203 | METHOD FOR PRODUCING NITRILE RUBBER - Disclosed is a method for producing a nitrile rubber comprising adding 0.1 to 5 parts by weight of at least one phosphate emulsifier selected from the group consisting of monoalkyl ether phosphate (MAP) represented by the following Formula 1 and dialkyl ether phosphate (DAP) represented by the following Formula 2, with respect to 100 parts by weight of monomers constituting the nitrile rubber. The method minimizes mold contamination during molding of produced nitrile rubber, eliminates the necessity of any process of removing mold contaminants, improves production efficiency and thus reduces defect rates of final molded articles. | 11-27-2014 |
Patent application number | Description | Published |
20090195914 | HARD DISK DRIVE AND METHOD FOR DESIGNING ADDITIONAL CONTROLLER INCLUDED IN HARD DISK DRIVE - A hard disk drive is provided. The hard disk drive comprises a plant configured to drive the hard disk drive, a main controller configured to control the plant, and an additional controller connected in parallel with the main controller. A response function in consideration of the plant and the main controller is referred to as a main response function, and a response function in consideration of the plant and the additional controller is referred to as a first response function. The first response function cancels a function value corresponding to a section of the main response function that is associated with disturbance. The response function of the additional controller may be designed using the first response function. The hard disk drive removes a portion of the main response function to minimize the influence of the disturbance. | 08-06-2009 |
20110040410 | APPARATUS AND METHOD CONTROLLING LEGGED MOBILE ROBOT - Disclosed is an apparatus and method adjusting motion of each joint of a robot to compensate for friction force of each joint such that the sole of the foot of the robot clings to the ground. The motion of each joint is adjusted as if gravity acts on each joint of the robot in a direction opposite to gravity and the robot is held in an erect state. Therefore, the robot can stand while keeping its balance without falling. | 02-17-2011 |
20120046789 | WALKING ROBOT AND CONTROL METHOD THEREOF - A torque-based walking robot and a control method thereof which stably controls walking of the robot. In the control method, in which high rigidity, equal to that achieved through a position-based control method, is achieved using a torque-based control method without switching between the position-based control method and the torque-based control method while the robot is in motion, a difference between a target torque and a measured torque is forcibly generated by limiting a torque range measurable by each torque sensor, thereby increasing voltage applied to each actuator, and thus achieving high rigidity, equal to that achieved through the position-based control method, using the torque-based control method without switching between the position-based control method and the torque-based control method. | 02-23-2012 |
20150182408 | MOTION ASSISTIVE APPARATUS AND METHOD OF CONTROLLING THE SAME - A motion assistive apparatus may include a receiver allowing a user to intuitively adjust performance of the motion assistive apparatus and a method of controlling the same. The motion assistive apparatus may include a receiver provided to adjust variable characteristics of the motion assistive apparatus, a processor to adjust a variable parameter related to adjustment of the variable characteristics, in response to adjustment of the variable characteristics through the receiver, and an actuator to output changed assist power in response to adjustment of the variable parameter to change the variable characteristics. | 07-02-2015 |
Patent application number | Description | Published |
20100129695 | MOLDING MATERIAL FOR FUEL CELL SEPARATOR - The present invention relates to a molding material for a fuel cell separator including a graphite complex having a mixture of expandable graphite and non-expandable graphite; at least one of the conductive fillers selected from the group consisting of carbon black, carbon fiber and carbon nanotube; and at least one resin selected from a thermoplastic resin and thermosetting resin. With the present invention, both the mechanical strength and electrical conductivity of the fuel cell separator can be simultaneously improved. | 05-27-2010 |
20130196252 | SEPARATOR FOR FUEL CELL AND FUEL CELL COMPRISING SAME - Disclosed are a separator for a fuel cell that improves power characteristics of the fuel cell, and a fuel cell including the same. The separator includes a plurality of current-carrying units, and an insulating unit interposed between the current-carrying units, wherein each current-carrying unit includes a first polymer matrix in which carbon-based particles are dispersed, and the insulating unit includes a second polymer matrix in which insulating inorganic particles are dispersed. The separator for fuel cells includes an insulating unit that exhibits low gas permeability and superior electrical insulation property, and the current-carrying unit that exhibits superior strength characteristics and conductivity, thus increasing voltage generated per one cell and considerably increasing a power generated per a constant area, when applied to the fuel cells. | 08-01-2013 |
20140134520 | MOLDING MATERIAL FOR FUEL CELL SEPARATOR - The present invention relates to a molding material for a fuel cell separator including a graphite complex having a mixture of expandable graphite and non-expandable graphite; at least one of the conductive fillers selected from the group consisting of carbon black, carbon fiber and carbon nanotube; and at least one resin selected from a thermoplastic resin and thermosetting resin. With the present invention, both the mechanical strength and electrical conductivity of the fuel cell separator can be simultaneously improved. | 05-15-2014 |
Patent application number | Description | Published |
20090109910 | SYSTEM AND METHOD FOR ASSIGNING A SUB-CHANNEL IN A BWA COMMUNICATION SYSTEM - A method for requesting a Base Station (BS) to assign sub-charuiels to a Subscriber Station (SS) in a communication system, The mnethod includes determining a channel quality of sub-channels assigned using a normal sub-chatnnel assigunent scheme, transmitting, to the BS, a first codeword of a Channel Quality Indicator CHannel (CQICH) indicating a transition from the normal sub-channel assignment scheme to a band Adaptive Modulation and Coding (AMC) sub-cha:nnel assignment scheme, during a sub-channel assignment scheme transition based on the determined channel quality, transmitting a second codeword of the CQICH and a report response message in response to a report request message received from the BS, and transmitting, to the BS, dilterential Channel Quality Indicators (CQI) of the selected bands. | 04-30-2009 |
20100184446 | Apparatus and method for adjusting offset in a wireless communication system - A Base Station (BS) includes an apparatus capable of performing an offset adjustment for a Mobile Station (MS). The BS can determine an offset mean value of the MS using a previously estimated offset of the MS if UpLink (UL) data received from the MS does not exist. The BS determines whether to transmit an unsolicited ranging response message (Unsolicited RNG-RSP) using the offset mean value of the MS. If transmitting the Unsolicited RNG-RSP, the BS transmits the MS the Unsolicited RNG-RSP including an offset adjustment value for the MS. | 07-22-2010 |
20110149716 | APPARATUS AND METHOD FOR TRANSMITTING A SUB-CHANNEL SIGNAL IN A COMMUNICATION SYSTEM USING AN ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS SCHEME - Methods of transmitting an receiving symbols by a Mobile Subscriber Station (MSS) and a Base Station (BS) are provided. The method for receiving symbols by the MSS includes receiving symbols from the BS, wherein the symbols are mapped onto data sub-carriers using a sequence, wherein the sequence includes result values, the result values being generated by applying, to a basic sequence, an offset and a number of cyclic shifting, the basic sequence having a length identical to the number of data sub-carriers. The method for transmitting symbols by the MSS includes transmitting symbols to the BS, wherein the symbols are mapped onto data sub-carriers using a sequence, wherein the sequence includes result values, the result values being generated by applying, to a basic sequence, an offset and a number of cyclic shifting, the basic sequence having a length identical to the number of data sub-carriers. | 06-23-2011 |
20110194512 | METHOD AND APPARATUS FOR RESOURCE ALLOCATION SCHEDULING IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for resource allocation scheduling in a wireless communication system are provided. The apparatus includes a scheduler for, if an UpLink (UL) scheduling for scheduling an allocation order of UL resources is performed prior to a DownLink (DL) scheduling for scheduling an allocation order of DL resources, setting a size α representing a size in which a DL burst region is maximally allocated in a DL sub frame, for, if the DL scheduling is performed prior to the UL scheduling, setting a size β representing a size in which the DL burst region is maximally allocated in the DL sub frame, for determining whether to discard a DL Medium Access Control (MAC) management message to be transmitted by using the size β, and for, if it is not determined to discard the DL MAC management message, determining a priority of a DL scheduling and a UL scheduling by using the size α and first performing one of the DL scheduling and the UL scheduling in accordance with the determined priority. | 08-11-2011 |
Patent application number | Description | Published |
20140168109 | TOUCH SCREEN PANEL - A touch screen panel includes a substrate having a first surface and a second surface opposite the first surface, a plurality of first sensing electrodes formed on the first surface of the substrate and connected in a first direction, a plurality of second sensing electrodes arranged between the first sensing electrodes and connected in a second direction that intersects the first direction, a plurality of first connecting patterns connecting the first sensing electrodes in the first direction, a plurality of third sensing electrodes formed on the second surface of the substrate and overlapping the first sensing electrodes, a plurality of fourth sensing electrodes arranged between the third sensing electrodes and overlapping the second sensing electrodes, and a plurality of second connecting patterns connecting the fourth sensing electrodes in the second direction. The sensing electrodes of the first surface and the sensing electrodes of the second surface overlap each other and are electrically connected to each other through vertical connecting units. | 06-19-2014 |
20140218631 | TOUCH SCREEN PANEL - A touch screen panel includes a substrate having a first surface and a second surface opposite the first surface, a plurality of first sensing electrodes coupled in a first direction, and a plurality of second sensing electrodes coupled in a second direction crossing the first direction, the first and second sensing electrodes being on the first surface, a plurality of third sensing electrodes overlapping the first sensing electrodes, a plurality of fourth sensing electrodes overlapping the second sensing electrodes, the third and fourth sensing electrodes being on the second surface, wherein the sensing electrodes on the first surface and the sensing electrodes on the second surface overlapping each other are electrically coupled to each other through coupling units for coupling the first surface of the substrate and the second surface of the substrate to each other. | 08-07-2014 |
20140342131 | CONDUCTIVE FILM AND FABRICATING METHOD THEREOF - A conductive film includes an elastomer film having a concave-convex structure at a region thereof, and a conductive layer at a surface of the elastomer film and having a concave-convex structure at a region thereof. | 11-20-2014 |
20150029143 | FLEXIBLE TOUCH SCREEN PANEL AND FLEXIBLE DISPLAY DEVICE WITH THE SAME - A flexible touch screen panel includes a window substrate, a polarizing functional layer, sensing patterns and sensing lines. The window substrate is flexible. The polarizing functional layer is attached on a first surface of the window substrate, and is divided into an active area and an inactive area positioned outside of the active area. The sensing patterns are formed in the active area on a first surface of the polarizing functional layer. The sensing lines are formed in the inactive area on the first surface of the polarizing functional layer, and are connected to the sensing patterns. In the touch screen panel, the polarizing functional layer has a laminated structure in which a polarizer and a retardation compensation film are attached on the first surface of the window substrate. | 01-29-2015 |
Patent application number | Description | Published |
20120292724 | MAGNETIC DEVICE - A magnetic tunnel junction element is provided. The magnetic tunnel junction element has first magnetic layer and second magnetic layer formed adjacent, e.g., on lower and upper portions of an insulating layer, respectively and each having a perpendicular magnetic anisotropy, a magnetic field adjustment layer formed on the second magnetic layer and having a perpendicular magnetic anisotropy, and a bather layer formed between the magnetic field adjustment layer and the second magnetic layer. The second magnetic layer and the magnetic field adjustment layer are magnetically decoupled from each other. | 11-22-2012 |
20140297968 | MAGNETIC TUNNELING JUNCTION DEVICES, MEMORIES, MEMORY SYSTEMS, AND ELECTRONIC DEVICES - Provided is a magnetic tunneling junction device including a first structure including a magnetic layer; a second structure including at least two extrinsic perpendicular magnetization structures, each including a magnetic layer and; a perpendicular magnetization inducing layer on the magnetic layer; and a tunnel barrier between the first and second structures. | 10-02-2014 |
20150048464 | SEMICONDUCTOR DEVICE HAVING PINNED LAYER WITH ENHANCED THERMAL ENDURANCE - A semiconductor device is provided having a free layer and a pinned layer spaced apart from each other. A tunnel barrier layer is formed between the free layer and the pinned layer. The pinned layer may include a lower pinned layer, and an upper pinned layer spaced apart from the lower pinned layer. A spacer may be formed between the lower pinned layer and the upper pinned layer. A non-magnetic junction layer may be disposed adjacent to the spacer or between layers in the upper or lower pinned layer. | 02-19-2015 |
20150102440 | MAGNETIC TUNNELING JUNCTION DEVICES, MEMORIES, ELECTRONIC SYSTEMS, AND MEMORY SYSTEMS, AND METHODS OF FABRICATING THE SAME - Provided is a magnetic tunneling junction device including a fixed magnetic structure; a free magnetic structure; and a tunnel barrier between the fixed magnetic structure and the free magnetic structure, at least one of the fixed magnetic structure and the free magnetic structure including a perpendicular magnetization preserving layer, a magnetic layer between the perpendicular magnetization preserving layer and the tunnel barrier, and a perpendicular magnetization inducing layer between the perpendicular magnetization preserving layer and the magnetic layer. | 04-16-2015 |
20150155477 | MAGNETIC TUNNELING JUNCTION DEVICES, MEMORIES, MEMORY SYSTEMS, AND ELECTRONIC DEVICES - Provided is a magnetic tunneling junction device including a first structure including a magnetic layer; a second structure including at least two extrinsic perpendicular magnetization structures, each including a magnetic layer and; a perpendicular magnetization inducing layer on the magnetic layer; and a tunnel barrier between the first and second structures. | 06-04-2015 |
20150280108 | SEMICONDUCTOR DEVICE HAVING PINNED LAYER WITH ENHANCED THERMAL ENDURANCE - A semiconductor device is provided having a free layer and a pinned layer spaced apart from each other. A tunnel barrier layer is formed between the free layer and the pinned layer. The pinned layer may include a lower pinned layer, and an upper pinned layer spaced apart from the lower pinned layer. A spacer may be formed between the lower pinned layer and the upper pinned layer. A non-magnetic junction layer may be disposed adjacent to the spacer or between layers in the upper or lower pinned layer. | 10-01-2015 |