Patent application number | Description | Published |
20110241798 | RESONATOR FOR COMMUNICATION SYSTEM AND FILTER USING THE SAME - Provided are a resonator and a filter performing a filtering operation by using the resonator. The filter includes a first resonation unit connected in series to an input terminal and having a first resonant frequency, a filtering unit connected in series to the first resonation unit to filter a signal inputted through the input terminal, a second resonation unit connected in series between the filtering unit and an output terminal and having a second resonant frequency, a first zero-order resonation unit connected in parallel to a connection terminal between the input terminal and the first resonation unit and having a first zero-order resonant frequency equal to the first resonant frequency, and a second zero-order resonation unit connected in parallel to a connection terminal between the output terminal and the second resonation unit and having a second zero-order resonant frequency equal to the second resonant frequency. | 10-06-2011 |
20130293318 | BANDPASS FILTER OF RF COMMUNICATION SYSTEM - The present invention relates to the bandpass filter of an RF communication system. The bandpass filter embodies a dual band characteristic by combining an equilibrium zero-order resonator and a non-equilibrium zero-order resonator, provides transmission zero using a cross-coupling structure near a pass band, and also has a neighboring signal blocking characteristic. | 11-07-2013 |
20150061784 | BACKWARD-WAVE OSCILLATOR IN COMMUNICATION SYSTEM - Provided is a backward-wave oscillator in a communication system, including a waveguide formed of a metamaterial. A unit structure of the waveguide may include: a top plate; a short-circuited stub; a bottom plate separated at a predetermined gap from the top plate, and having the short-circuited stub formed in the center thereof; a first metal pillar connecting the top plate at a first port positioned on one surface based on the short-circuited stub to the bottom plate at a second port positioned on the opposite surface of the first port based on the short-circuited stub; and a second metal pillar separated from the first metal pillar, and connecting the top plate at the second port to the bottom plate at the first port. | 03-05-2015 |
Patent application number | Description | Published |
20100074875 | COMPOSITION CONTAINING HUMAN UMBILICAL CORD BLOOD-DERIVED MESENCHYMAL STEM CELL FOR INDUCING DIFFERENTIATION AND PROLIFERATION OF NEURAL PRECURSOR CELLS OR NEURAL STEM CELLS TO NEURAL CELLS - A use of a composition comprising umbilical cord blood-derived mesenchymal stem cells for inducing differentiation and proliferation of neural precursor cells or neural stem cells to neural cells is provided, the composition being effective for the treatment of nerve injury diseases. | 03-25-2010 |
20110262393 | COMPOSITION COMPRISING MESENCHYMAL STEM CELLS OR CULTURE SOLUTION OF MESENCHYMAL STEM CELLS FOR THE PREVENTION OR TREATMENT OF NEURAL DISEASES - Provided are a pharmaceutical composition for prevention and treatment of a neural disease including at least one selected from the group consisting of mesenchymal stem cells (MSCs), a culture solution of the MSCs, activin A, PF4, decorin, galectin 3, GDF15, glypican 3, MFRP, ICAM5, IGFBP7, PDGF-AA, SPARCL1, thrombospondin-1, WISP1, progranulin, IL-4, a factor inducing expression thereof, and any combination thereof, and a method therefor. | 10-27-2011 |
20130330306 | COMPOSITION CONTAINING HUMAN UMBILICAL CORD BLOOD-DERIVED MESENCHYMAL STEM CELL FOR INDUCING DIFFERENTIATION AND PROLIFERATION OF NEURAL PRECURSOR CELLS OR NEURAL STEM CELLS TO NEURAL CELLS - A use of a composition comprising umbilical cord blood-derived mesenchymal stem cells for inducing differentiation and proliferation of neural precursor cells or neural stem cells to neural cells is provided, the composition being effective for the treatment of nerve injury diseases. | 12-12-2013 |
20160000698 | CAPABILITY OF SMALL-SIZED STEM CELLS TO STIMULATE HAIR GROWTH AND USE THEREOF - Provided are a composition for preventing hair loss and stimulating hair growth, which includes small-sized stem cells, particularly, small-sized stem cells having a diameter of 8 μm or less, or a culture thereof as an active ingredient, a method of preparing the same, and a use of the same. Provided is a use of the composition utilizing a hair growth stimulating function of the small-sized stem cells having a diameter of 8 μm or less to considerably increase activity of hair follicle stem cells in a telogen phase. | 01-07-2016 |
20160000699 | HAIR GROWTH PROMOTING CAPACITY OF CONDITIONED MEDIA OF STIMULATED STEM CELLS AND USE THEREOF - Provided is an a composition for preventing hair-loss and promoting hair growth containing as an active ingredient conditioned media of stem cells stimulated by particular hair catagen inducers including TGF-β, a method of manufacturing the same, and a use thereof. In particular, the present invention relates to a use of the function of very effective hair growth by secreting Wnt3a, Bcl-2, CyclinD-1 and the like, which are known as signal transduction proteins. | 01-07-2016 |
Patent application number | Description | Published |
20120064450 | TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND METHOD OF PREPARING THE SAME - A toner includes a binder including two different weight molecular weight resins, a colorant, and a releasing agent, wherein a gel permeation chromatogram (GPC) molecular weight distribution curve of the toner has a major peak (Mp) present in a range of about 1.0×10 | 03-15-2012 |
20120202149 | ELECTROPHOTOGRAPHIC TONER AND METHOD OF PREPARING THE SAME - An electrophotographic toner and a method of preparing the same, the electrophotographic toner including a binder that includes two kinds of resin having different weight average molecular weights, a colorant, and a releasing agent. | 08-09-2012 |
20120214096 | TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, METHOD OF PREPARING THE SAME, DEVICE FOR SUPPLYING THE SAME, AND APPARATUS AND METHOD FOR FORMING IMAGE USING THE SAME - A toner to develop an electrostatic charge image, a method of preparing the toner, a toner supply device employing the toner, an apparatus to form an image employing the toner, and a method of forming an image using the toner are provided. The toner includes a binder resin including a first type of binder resin having a first weight-average molecular weight and a second type of binder resin having a second weight-average molecular weight different than the first weight-average molecular weight, a colorant, and a releasing agent. | 08-23-2012 |
Patent application number | Description | Published |
20110221990 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device that prevents occurrence of a phenomenon where a boundary portion of a pixel region becomes dark, and a method of manufacturing the same. The display device includes a first substrate arrangement including a domain forming layer having a depression pattern for forming a liquid crystal domain in a pixel region, and a pixel electrode arranged on the domain forming layer, a second substrate arrangement including a common electrode arranged on an entire surface facing the first substrate arrangement, a liquid crystal layer arranged between the first and second substrate arrangements and including a plurality of liquid crystal molecules and a reactive mesogen (RM) to fix the liquid crystal molecules to form the liquid crystal domain, a sealant arranged between the first and second substrate arrangements to adhere the first and second substrate arrangement together and a light blocker arranged between the sealant and the liquid crystal layer to block light incident from an external side of the sealant. | 09-15-2011 |
20110222010 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device having an improved viewing angle by using a linear polarization structure, and a method of manufacturing the same. The display device includes a first substrate arrangement including a domain forming layer and a pixel electrode arranged on the domain forming layer, the pixel electrode having a cross type opening pattern, a second substrate arrangement including a common electrode arranged on an entire surface that faces the first substrate arrangement and a liquid crystal layer arranged between the first substrate arrangement and the second substrate arrangement, the liquid crystal layer including a plurality of liquid crystal molecules and a reactive mesogen to fix liquid crystal molecules and to produce a liquid crystal domain based on the cross type opening pattern. | 09-15-2011 |
20120062828 | LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel that includes a number of pixel electrodes formed on a substrate and are located in a pixel region defined by gate lines and data lines that cross the gate lines. Each of the pixel electrodes located in the pixel region includes a number of sides, and at least one of the sides includes oblique lines and a protrusion formed by the oblique lines, and the pixel electrodes located in the pixel region and adjacent to each other in a first direction form a separation space that includes at least one protrusion, and a width of the separation space gradually reduces and gradually increases in a second direction crossing the first direction, and a singular point that controls the texture of liquid crystals is located at the narrowest width of the separation space. | 03-15-2012 |
Patent application number | Description | Published |
20100008297 | APPARATUS AND METHOD FOR TRANSMITTING COEXISTENCE BEACON PROTOCOL PACKET IN COGNITIVE RADIO BASED WIRELESS COMMUNICATION SYSTEM - A method of and apparatus for operating a Coexistence Beacon Protocol (CBP) packet transmitter in a Cognitive Radio (CR)-based wireless communication system is provided. The method includes, identifying a Self-Coexistence Window (SCW) regular pattern of neighbor Wireless Regional Area Networks (WRANs), if vacant SCW slots are not periodically occurring, selecting a WRAN as a contender among the neighbor WRANs, performing a contention for transmitting the CBP packet with the contender within SCW slots that are occupied by the WRAN, and configuring an SCW usage pattern so that an SCW usage period of the CBP packet sender is double that of an SCW usage period of the contender when winning in the contention. | 01-14-2010 |
20100136974 | Apparatus and method for dynamic resource exchange in cognitive radio (CR) based communication system - A base station includes an apparatus and a method for exchanging frequency channel resources between base stations in a Cognitive Radio (CR) based communication system. A requesting Base Station (BS), which requests channel exchange a neighboring BS, receives a channel advertisement message from a neighboring BS and sends a channel exchange request message to the neighboring BS. The channel exchange request message includes at least one of a neighbor BS Identifier (ID), a requesting BS ID, channel information for the channel exchange at the requesting BS, and channel information exchangeable at the neighboring BS. The requesting BS receives a channel exchange response message from the neighboring BS in response to the channel exchange request message, determines whether to execute a channel exchange process to the neighboring BS based on information in the received channel exchange response message, and sends a channel exchange reply message indicative of the determination result. | 06-03-2010 |
20100214965 | APPARATUS AND METHOD FOR SUPPORTING PARTIAL FREQUENCY DIVISION DUPLEX IN A COGNITIVE RADIO WIRELESS COMMUNICATION SYSTEM - An operating method and apparatus of a Customer Premise Equipment (CPE) in a Cognitive Radio (CR) wireless communication system and a base station in the CR wireless communications system are provided. The method includes, when receiving a beacon message from a Primary User (PU), transmitting a mode change request message including a signal strength from the PU and a channel number interfering with the PU to a base station, when receiving a mode change reply message from the base station, determining whether a partial Frequency Division Duplex (FDD) scheme is applied, and, when the partial FDD scheme is applied, communicating by receiving a downlink burst in a Time Division Duplex (TDD) channel indicated by the mode change reply message and transmitting an uplink burst in an FDD channel indicated by the mode change reply message. | 08-26-2010 |
20100226312 | Apparatus and method for transmitting coexistence beacon protocol packet in cognitive radio wireless communication system - An apparatus and a method for transmitting a Coexistence Beacon Protocol (CBP) packet in a Cognitive Radio (CR) wireless communication system are provided. In the method for transmitting CBP packet in a transmitter that operates in a scalable Orthogonal Frequency Division Multiple Access (OFDMA) mode, a priority is given to each channel of one or more channels based at least partly upon channel use statuses of two or more neighbor Wireless Regional Area Networks (WRANs). Whether a Quality of Service (QoS) for CBP packet transmission for each channel is met is sequentially determined according to the respective priority. A channel having a highest priority is selected from the one or more channels meeting the QoS as a channel for CBP packet transmission. A CBP packet is transmitted via the selected channel. | 09-09-2010 |