Patent application number | Description | Published |
20080242536 | Metal Oxide with High Thermal Stability and Preparing Method Thereof - Disclosed are metal oxide having high thermal stability and a preparation method thereof, specifically including continuously reacting a reaction mixture, composed of (i) water, (ii) a first metal salt including an aqueous cerium compound and (iii) a second metal salt including an aqueous aluminum compound, at 200˜700° C. under pressure of 180-550 bar, the reaction product having a molar ratio of metal, other than aluminum, to aluminum of 0.1˜10. | 10-02-2008 |
20090156395 | Method for Preparing Metal Oxide Containing Precious Metals - The present invention relates to a method for preparing a metal oxide containing precious metals, which can be used for a catalyst for purifying automobile exhaust gases and has excellent heat resistance and, more particularly, to a method for preparing a metal oxide containing precious metals including the step of continuously reacting a reaction mixture, including (i) water, (ii) a water-soluble precious metal compound, (iii) a water-soluble cerium compound and (iv) at least one water-soluble metal compound selected from the group consisting of a zirconium compound, a scandium compound, a yttrium compound and a lanthanide metal compound other than a cerium compound, at a temperature from 2000 C to 700° C. and at a pressure from 180 bar to 550 bar, wherein the molar ratio of precious metal to metal other than the precious metal in a reaction product is in the range from 0.001 to 0.1. | 06-18-2009 |
20100227222 | Lithium-Metal Composite Oxides and Electrochemical Device Using the Same - Disclosed is a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (Io PPm) and a main peak of 240±140 ppm (I240 pPm), Uoppm/124o PPm), is less than 0.117·Z wherein Z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (Io PPm) and the main peak of 240+140 ppm (I24o PPm), (W24o PPm/WO ppm), is less than 21.45; and (c) both the conditions (a) and (b), the peaks being obtained according to the 7Li—NMR measurement conditions and means disclosed herein. Also, an electrode comprising the lithium-containing metal composite oxide, and an electrochemical device comprising the electrode are disclosed. The lithium-containing multicomponent metal composite oxide shows crystal stability and excellent physical properties as a result of an improved ordering structure of metals, in which the components of the composite oxide are uniformly distributed. Thus, it can provide a battery having high capacity characteristics, long cycle life characteristics and improved rate characteristics. | 09-09-2010 |
20100230651 | Metal oxide solid solution, preparation and use thereof - Disclosed is a method for preparing a metal oxide solid solution in nano size. The metal oxide solid solution is prepared by reacting a reactant mixture containing water and at least two water-soluble metal compounds at 200 to 700° C. under a pressure of 180 to 550 bar in a continuous manner, wherein the reactant mixture contains the metal compounds at an amount of 0.01 to 30% by weight in total and the solid solution has a crystallite size of 1 to 1,000 nm. The metal oxide solid solution is, in particular suitable as a UV light shielding agent or as an oxygen storage component. | 09-16-2010 |
Patent application number | Description | Published |
20090322876 | CCTV MANAGEMENT SYSTEM SUPPORTING EXTENDED DATA TRANSMISSION COVERAGE THROUGH WIRELESS LAN - Disclosed is a management system of an area to be photographed using a plurality of CCTVs, and more particularly to, a CCTV management system supporting an extended data transmission coverage with a wireless LAN, in which a plurality of CCTVs are installed in an area to be photographed and are collectively managed, that can be installed easier than a wired CCTV management system and can remove a limit to the data transmission coverage of a wireless CCTV management system by sequentially transmitting data photographed by the CCTVs in accordance with the access order of distances so that data photographed by a CCTV and data photographed by the other CCTVs are encoded and transmitted. | 12-31-2009 |
20090323419 | READ-TIME WEAR-LEVELING METHOD IN STORAGE SYSTEM USING FLASH MEMORY DEVICE - Disclosed is a read-time wear-leveling method in a storage system using a flash memory device, in which the abrasion of the flash memory device generated by repeated read operations is dispersed over the entire region so that the abrasion of memory blocks can be equalized to prolong the life of the flash memory device, to minimize errors in the memory blocks, and to secure the reliability of the storage system. | 12-31-2009 |
20090327644 | CPU AND MEMORY CONNECTION ASSEMBLY TO EXTEND MEMORY ADDRESS SPACE - Disclosed is a CPU and memory connection assembly to extend memory address space without extending address pins. The CPU and memory connection assembly extends entire accessible memory address of a CPU using a small number of address pins by synthesizing a final memory address by receiving an offset address setting command inputted from a CPU through an offset address decoder to generate an offset address and by receiving CPU max address bit setting command directly inputted from the CPU through an address synthesizer to combine the CPU max address bit setting command with the address directly inputted from the CPU. | 12-31-2009 |
20090327772 | POWER MANAGEMENT SYSTEM OF TERMINAL - A power management system optimizing the power consumption management of a terminal that uses limited power is disclosed. In more detail, a power management system of a terminal, which defines levels of power to be supplied in accordance with the operation state of the system or an application that is a currently activated application program and controls the amount of power supplied to software modules and hardware modules of the terminal by the defined levels of power, so that power management can be simply and easily performed and that the power supply amount is optimized to increase a power supply time. | 12-31-2009 |
20140301385 | LTE CELL DETECTING APPARATUS IN MULTI-CELL ENVIRONMENT - There is disclosed a Long Term Evolution (LTE) cell detecting apparatus in a multi-cell environment that may efficiently detect an LTE cell even in a multi-cell environment where interference occurs between adjacent cells. | 10-09-2014 |
20140334285 | BASE STATION APPARATUS FOR DECREASING AMOUNT OF TRANSMISSION DATA WITH CLOUD RADIO ACCESS NETWORK - There is disclosed a base station apparatus having a cloud radio access network (CRAN) structure. The base station apparatus includes a digital unit (DU) that includes a baseband processing unit for processing signals of a baseband, a Fast Fourier Transform (FFT) operation unit that converts baseband signals of a time domain into signals of a frequency domain, an Inverse FFT (IFFT) operation unit that converts signals of a frequency domain into signals of a time domain, and a radio unit (RU) that processes radio signals with respect to a terminal, and transmits and receives the processed signals, wherein the FFT operation unit and the IFFT operation unit are provided in the RU to reduce an amount of transmission and reception data between the DU and the RU. | 11-13-2014 |