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1374results about How to "Structured" patented technology

Method and system for executing financial transactions via a communication medium

A web-based method and system that facilitates business transactions, including the raising of capital in global financial markets via the Internet is described. Users of the system design, structure, analyze and execute business transactions over the Internet. Users of the system described include issuers, financial institutions, intermediaries, other professional advisors (law firms, accounting firms, translation agencies, etc.) and end investors. A security means controls access to the system and restricts access to the system to only qualified users. Users of the system design and diagram a transaction structure, assign corresponding attributes to the structure design. The structure design and corresponding attributes are stored in a database. The transaction is posted as a notice or interest onto the system, wherein a user maintains the posting. A database of user and transaction information is compiled and maintained. The user profile is compared with the posted transactions to identify transactions of interest to a user. The transaction information is communicated to the user. The transaction is executed, including issuing new securities or buying or selling previously issued securities through an auction or trade process. The system provides users direct access to its community, which includes, but is not limited to, issuers, investors, intermediaries, and advisors such as law firms, consultancy firms, accounting firms, and translation agents.
Owner:LEE ANDRE S

NANO silicon-carbon composite material and preparation method thereof

The invention relates to a nano silicon-carbon composite negative material for lithium ion batteries and a preparation method thereof. A porous electrode composed of silica and carbon is taken as a raw material, and a nano silicon-carbon composite material of carbon-loaded nano silicon is formed by a molten salt electrolysis method in a manner of silica in-situ electrochemical reduction. Silicon and carbon of the material are connected by nano silicon carbide, and are metallurgical-grade combination, so that the electrochemical cycle stability of the nano silicon-carbon composite material is improved. The preparation method of the nano silicon-carbon composite material provided by the invention comprises the following steps: compounding a porous block composed of carbon and silica powder with a conductive cathode collector as a cathode; using graphite or an inert anode as an anode, and putting the cathode and anode into CaCl2 electrolyte or mixed salt melt electrolyte containing CaCl2 to form an electrolytic cell; applying voltage between the cathode and the anode; controlling the electrolytic voltage, the electrolytic current density and the electrolytic quantity, so that silica in the porous block is deoxidized into nano silicon by electrolytic reduction, and the nano silicon-carbon composite material for lithium ion batteries is prepared at the cathode.
Owner:CHINA AUTOMOTIVE BATTERY RES INST CO LTD

Three-phase power signal processor

A Three-phase Power Signal Processor (TPSP) is disclosed for general three-phase power system applications. The TPSP is developed based on the concepts from adaptive filter and dynamical systems theories. The structure of the TPSP is unified as it provides a multiplicity of the signals and pieces of information without the need to change, modify, or enhance the structure or to impose excessive computational time or resource requirements. The presented TPSP receives a set of three-phase measured signals, which can be voltage, current, magnetic flux, etc, and provides (1) the instantaneous and steady-state symmetrical components, (2) the fundamental components, (3) the peak values (magnitudes) of the symmetrical components, (4) the frequency and its rate of change, (5) the synchronization signal(s) and zero-crossing instants, (6) the phase-angles of the symmetrical components, and (7) the disturbance signatures. Two or more TPSP units, when properly augmented, further provide (8) the individual harmonic components, (9) the inter-harmonics, (10) the instantaneous real and reactive current components, (11) the total harmonic distortion, dc-offset, and power factor. The TPSP can serve as the building block for various signal processing requirements encountered in the context of power system applications including power systems control, protection, monitoring, and power quality.
Owner:KARIMI GHARTEMANI MASOUD M K

Method for capturing carrier frequency bias and time delay of single carrier frequency domain equalizing system

InactiveCN101414990AReduce complexityEliminate the possibility of synchronization error lockModulated-carrier systemsHome positionHead position
The invention discloses a method used for capturing carrier frequency offset and time delay in a single-carrier frequency domain balancing system, comprising the steps as follows: frame-arrival detection is carried out on the received data; when effective data frame is detected, the frame head position of the data frame is determined roughly; the determined frame head position is used as an initial position to carry out rough frequency offset estimation and compensation on the received data frame; the rough timing estimation is carried out so as to determine the initial position of the data block; the timing deviation is locked within one code element offset; the precise timing estimation is carried out by combining a maximum-likelihood searching method with an O&M timing estimation arithmetic, thus gaining precise code element timing information; precise frequency offset estimation and compensation are carried out; synchronous error lock judgment and correction are carried out. The method designs unique preamble code data form and structure, precisely carries out the estimation and compensation on carrier frequency offset and time delay during the synchronous capturing stage,gains precise carrier frequency offset and timing information, and determines the initial position of Fourier transform windows more exactly.
Owner:北京韦加航通科技有限责任公司

Ordered mesoporous carbon/tungsten carbide composite material and supported catalyst thereof and preparation method thereof

The invention discloses a preparation method for an ordered mesoporous carbon/tungsten carbide composite material and a supported catalyst thereof. In the method, an organic matter and a tungsten salt are separately used as a carbon source and a tungsten source, and the carbon source and the tungsten source are mixed with a surfactant; and a precursor of the ordered mesoporous carbon/tungsten carbide is synthesized by a solvent-evaporation induced self-assembly method, and then the precursor is subject to high-temperature treatment in the inert atmosphere to form the ordered mesoporous carbon/tungsten carbide composite material. The ordered mesoporous carbon/tungsten carbide composite material prepared by the method has the characteristics of high degree of order, narrow aperture distribution, large specific surface area (greater than 500 m<2>/g) and the like. The invention further comprises a supported catalyst prepared by supporting active components on the ordered mesoporous carbon /tungsten carbide composite material which is prepared by the method; and because of the synergistic effect and the structure effect of the ordered mesoporous carbon/tungsten carbide composite material, the catalyst has higher methanol electro-oxidation catalytic activity than a commercial carbon platinum-ruthenium catalyst.
Owner:SUN YAT SEN UNIV
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