Weiming
Weiming Chen, Anqiu CN
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20150284351 | (2R)-2-DEOXY-2,2-DISUBSTITUTED-RIBONO-1,4-LACTONE AND PREPARATION METHOD AND USE THEREOF - This invention disclose (2R)-2-deoxy-2,2-disubstituted-ribono-1,4-lactone in a single configuration and preparation method and use thereof. The (2R)-2-deoxy-2,2-disubstituted-ribono-1,4-lactone, or a pharmaceutically acceptable salt, an ester, a prodrug or a solvate thereof according to the invention are important intermediates of a variety of anti-viral and anti-tumor active ingredients. A compound obtained from (2R)-2-deoxy-2,2-disubstituted-ribono-1,4-lactone via an acylation reaction can be directly used for preparing various anti-viral and anti-tumor drugs. The Chiral synthesis method and the spontaneous resolution method of the compound of (2R)-2-deoxy-2,2-disubstituted-ribono-1,4-lactone according to the invention have the following advantages: the reaction routes are short and simple with high yield and low cost, which are suitable for industrial application. | 10-08-2015 |
Weiming Chen, Shanghai CN
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20140031554 | PROCESS FOR PREPARING RACEMIC NICOTINE - Provided is a process for preparing racemic nicotine from 1-methyl-3-nicotinoyl-2-pyrrolidone or a salt thereof using one-pot process. The process comprises the following steps: 1) in a reaction vessel, reacting 1-methyl-3-nicotinoyl-2-pyrrolidone or a salt thereof in the presence of a suitable solvent and a strong acid by heat; after the reaction is complete, cooling the same and adjusting the pH to 7-8 with alkali; and 2) directly adding a reductant into the above vessel, and after the reaction, purifying the product so as to obtain high purity racemic nicotine or a salt thereof. | 01-30-2014 |
Weiming Chen, Shulin TW
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20110119867 | Hinge assembly - A hinge assembly has a pintle, a stationary leaf, a rotating leaf, a rotating pressing disk, a stationary pressing disk, a biasing assembly and a fastener. The rotating pressing disk is mounted rotatably around the pintle, is attached non-rotatably to the rotating leaf and has a track face, an inner track and an outer track. The stationary pressing disk is mounted securely around the pintle and has a protrusion face, an inner protrusion and an outer protrusion. The inner and outer protrusions respectively contact slidably with the inner and outer track on the rotating pressing disk. With the arrangement of the inner and outer tracks on the rotating pressing disk and the inner and outer protrusions on the stationary pressing disk, the resistance provided by the hinge assembly is variable. | 05-26-2011 |
20110170240 | ROTARY HINGE AND A PORTABLE ELECTRONIC DEVICE WITH THE SAME - A rotary hinge for an electronic device with a cover and a body is mounted between a bottom of the cover and a top of the body and has a receiving assembly, a connecting assembly and a retaining assembly. The receiving assembly is connected to the cover. The connecting assembly is connected to the body and is attached pivotally to the receiving assembly. The retaining assembly is connected respectively to the receiving and connecting assemblies to selectively hold the cover at closed and open positions. With only one pivot between the rotary hinge and the cover, part of the body is exposed to allow the input unit being used when the cover is pivoted to open. Regardless of opening or closing the cover, the rotary hinge is hidden to prevent from damaging and foreign matters. | 07-14-2011 |
Weiming Chu, Tokyo JP
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20130181632 | Flash Generating Device for LED and Flash Generating Method for LED - Provided is a flash generating device for an LED, which has a small energy loss and a small system area. A flash generating device ( | 07-18-2013 |
Weiming Ding, Heilongjiang CN
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20150368291 | N-acetyl amino acid ESTER derivatives of Betulin and preparation method thereof - The present invention disclosed N-acetyl amino acid ester derivatives of betulin and the preparation method thereof, the method comprising the steps that in the presence of an alkaline substance, a catalyst and a racemization-inhibitor, the carboxyl group of N-acetyl amino acid is activated by a coupling agent; and then the activated N-acetyl amino acid is reacted with betulin via esterification reaction to obtain the N-acetyl amino acid ester derivative of betulin. The present invention provided a simple synthesis method to synthesize the N-acetyl amino acid ester derivatives of betulin by using betulin as a precursor compound and modifying the molecular structure of betulin. Such structural modification of betulin significantly enhances the anti-tumor activity of the betulin derivatives and therefore has important values. | 12-24-2015 |
Weiming Fu, Watford GB
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20140055308 | Vehicle Antenna - An RF antenna system is provided for mounting on a window of a vehicle comprising exterior and interior window mountable portions. The first and second portions include an RF coupling section ( | 02-27-2014 |
Weiming He, Shenzhen CN
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20150205913 | PARENTAL GENOME ASSEMBLY METHOD - Provided is a parental genome assembly method, comprising: using the sequencing data of parental selfing line progeny population to assemble and perfect the parental genome data. Also provided is a device for implementing the method. | 07-23-2015 |
Weiming Jiang, Nanjing CN
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20120289433 | SOLID SURFACE RESERVOIRS - An apparatus for forming a surface reservoir to hold a sample for a desirable period of time is described. The apparatus contains a platform, a solid surface disposed onto the platform, and an assembly of a bottomless vessel mounted on the solid surface. Also described is an apparatus that forms an array of surface reservoirs on a solid surface when multiple bottomless vessels are used, which can be used for high throughput applications. The apparatus can be used in applications on a solid surface, such as immunohistochemistry (IHC), oligo synthesis, peptide synthesis, ELISA, DNA array, peptide array, protein array, antibody array, tissue array, cell culturing, etc. | 11-15-2012 |
Weiming Li, Beijing CN
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20140146144 | APPARATUS AND METHOD FOR CALIBRATING MULTI-LAYER THREE-DIMENSIONAL (3D) DISPLAY - Provided is an apparatus and method for calibrating a multi-layer three-dimensional (3D) display (MLD) that may control a 3D display including a plurality of display layers to display a first image on one of the plurality of display layers, acquire a second image by capturing the first image, calculate a homography between the display layer and an image capturer based on the first image and the second image, and calculate geometric relations of the display layer with respect to the image capturer based on the calculated homography. | 05-29-2014 |
Weiming Li, Katy, TX US
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20140367100 | Simultaneous Method for Combined Acidizing and Proppant Fracturing - A treatment fluid for use in a combined acidizing and proppant fracturing treatment, the treatment fluid comprising: (A) an emulsion comprising: (i) a continuous oil phase; (ii) an internal aqueous phase comprising: (a) water; and (b) a source of an acid; and (iii) an emulsifier; and (B) a proppant. A method of fracturing a treatment zone of a well, the method comprising the steps of: (I) forming a treatment fluid according to the invention; and (II) introducing the treatment fluid into the zone at a rate and pressure greater than the fracture gradient of the zone. | 12-18-2014 |
20150062300 | Wormhole Structure Digital Characterization and Stimulation - The present disclosure relates to digitally characterizing and simulating wormhole structures in rock. One example method includes receiving internal imaging data of a core sample of a rock formation; generating, by one or more processors of a computing system, a digital core sample model of the structure of the core sample based on the internal imaging data; and analyzing, by the one or more processors, the core sample model to determine the porosity value of the core sample. | 03-05-2015 |
20150066451 | Determining Acid Injection Treatment Parameters - The present disclosure relates to determining acid injection treatment parameters. One example method includes identifying one or more characteristics of a rock structure; and determining one or more parameters of an acid injection treatment to produce a specified flow structure in the rock structure when the acid injection treatment is applied, the one or more parameters of the acid injection treatment determined based on the one or more characteristics of the rock structure and including at least one of an injection flow velocity or a characteristic of an acid to be used in the acid injection treatment. | 03-05-2015 |
Weiming Li, Zhaoqing CN
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20150122118 | CYLINDER LINER AND PREPARATION METHOD THEREOF - A cylinder liner with a plurality of protrusions on its outside surface and the manufacturing method thereof are disclosed. The protrusions are Ω-shaped, P-shaped or taper-shaped, and the Ω-shaped, P-shaped and taper-shaped protrusions are accounted for 50-99.5%, 0.5-30% and 0-20% of the total number of protrusions, respectively. The density of the protrusions on the outside surface of the cylinder liner is 15-65 per square centimeter. The outer surface of the protrusions of the cylinder liner is curved, and has a large contact area and a concave which can be filled by an aluminum sheath to improve the radial bearing capacity, so as to effectively improve the bite force between the cylinder liner and the outside aluminum sheath and prevent the cylinder liner from breaking away from the cylinder body. | 05-07-2015 |
Weiming Lin, Xiamen CN
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20130276927 | VALVE FOR SWITCHING WATERWAYS AND ADJUSTING FLOW - A valve for switching waterways and adjusting flow has a fixed seat, a control piece and an operation mechanism. The fixed seat is provided with a fixed face, an inlet waterway and two outlet waterways, the inlet port of the inlet waterway and the outlet ports of the outlet waterway are arranged on the fixed face. The control piece is provided with a control face that is relied on the fixed face hermetically and a communicating groove that is concavely arranged on the control face. The operation mechanism is connected with the fixed seat and the control piece, and can drive the control piece to move, and then the control face can be driven to rotate and slide relative to the fixed face. | 10-24-2013 |
Weiming Liu, Shanghai CN
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20150082637 | ROTARY ELECTRIC SHAVER HEAD - The present invention claims a rotary type electric shaver head, wherein a cutter mesh enclosure of the rotary type electric shaver head is provided with a wavy curved surface; a C-shaped or S-shaped beard inlet slot is formed on the cutter mesh enclosure; the beard inlet slot is the combination of a circular hole and a slot, or the combination of a long slot and a short slot; a moving cutter is fixedly arranged on a driving connector in a hot-pressing and melting mode, thereby forming a moving cutter component; an upper tapered surface of a tapered-surface driving shaft is in contact with an inner tapered surface of a driving shaft sleeve, thereby driving the moving cutter component; the moving cutter component is arranged on a boss on the inner surface of an elastic cutter holder; while being rotated, the moving cutter component is only in contact with the boss ( | 03-26-2015 |
Weiming Liu, Shen Zhen CN
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20090159640 | Wave soldering apparatus - A wave soldering apparatus includes: two parallel tracks; a soldering bath defining a wave soldering region between the tracks for soldering circuit boards passing therethrough; a conveying unit including two belts that are movably and respectively mounted on the tracks, and a plurality of clamping members mounted on the belts; and two adjusting mechanisms, each of which is mounted on a respective one of the tracks and each of which includes a pressing plate that is disposed at a top side of the wave soldering region and that is adjustable in height relative to the tracks so as to press downwardly against the clamping members that are under the pressing plate. | 06-25-2009 |
Weiming Lu, Ningbo CN
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20100064739 | INTEGRATIVE THREE-SEGMENT TRIPOD - The invention relates to an integrative three-segment tripod. The tripod has a main bracket | 03-18-2010 |
20110031359 | WINDING TRIPOD - The present invention discloses a winding tripod, which includes a cradle head and three legs. Each of the legs is connected at one end with the cradle head via a universal joint, and used at the other end for supporting. At least one of the legs therein includes multiple first movable joints and multiple second movable joints, which are connected together alternately and hinged via a locking coupling device. The first and the second movable joints are provided with a hoverball hole. Between the first and the second movable joints are positioned a spring and a hoverball. The hoverball is clipped into the hoverball hole when the first and the second movable joints are pivotally turned to a predetermined angle. The winding tripod of the present invention can overcome shortcomings of the prior art technology; a universal joint structure without a security function is improved to become the three dimensional structure with the security function, which thus enables the windable leg to be wound firmly around any surface and winding and unwinding of the leg to be more flexible. | 02-10-2011 |
Weiming Luo, Shenzhen CH
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20140359104 | GROUPING PROCESSING METHOD AND SYSTEM - The present disclosure provides a grouping processing method and system, the method comprises: monitoring a number of users accessing a sub-group that is corresponding to a group; and according to the number of users in the sub-group and a preset threshold of the number of users for the sub-group, adjusting the sub-group corresponding the group and/or user access which the sub-group corresponds a physical resource equipment and the physical resource equipment corresponds to more than one of sub-groups. | 12-04-2014 |
Weiming Sun, Beijing CN
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20100259298 | LOW-QUIESCENT-CURRENT BUFFER - An embodiment of an input-buffer circuit may include an input stage with an inverter having an input operable to receive a signal to be translated. The input stage may include a limiting circuit coupled to the input stage for arresting quiescent current. Additional embodiments of an input-buffer circuit formed according to the subject matter disclosed herein may include feedback transistors suited to provide additional current to the input stage and a hysteresis circuit suited to provide hysteresis current to the input stage when an input signal has a high-frequency change rate. | 10-14-2010 |
20130222309 | MOTOR DRIVE CIRCUIT - This document discusses, among other things, apparatus and methods for a motor drive, such as a haptic motor drive. In an example, a motor drive can include a low dropout (LDO) regulator configured to receive a supply voltage and to provide a regulated voltage, a power switch circuit configured to receive the supply voltage and to receive the regulated voltage from the LDO regulator, and a level shift circuit configured to receive power from the power switch circuit, to receive an input signal, and to provide an output signal to a a voltage difference generating circuit based on the input signal and the power from the power switch circuit. In certain states of the motor drive, the power switch circuit can couple either the regulated voltage or the supply voltage to the level shift circuit. | 08-29-2013 |
20140167829 | DELAY METHOD, CIRCUIT AND INTEGRATED CIRCUIT - This document discusses, among other things, a delay circuit, in which a first register is written with a delay reference code, a second register is written with a delay factor, a control unit determines a corresponding delay ratio in a storage unit based on the delay factor in the second register, and sends the determined delay ratio to a first digital timing unit, the first digital timing unit determines a delay reference time based on the delay reference code in the first register, multiplies the delay reference time by the delay ratio to result in a desired delay time, and generates a delay. | 06-19-2014 |
20140167830 | DELAY TIME ADJUSTING CIRCUIT, METHOD, AND INTEGRATED CIRCUIT - A delay time adjusting circuit is described, in which a reference signal circuit generates at least one reference signal to an A/D conversion circuit, an input signal circuit generates an input signal to the A/D conversion circuit, the A/D conversion circuit compares the input signal with the at least one reference signal to output a digital signal to a digital logic chip, and the digital logic chip determines a delay time based on the digital signal. In this way, the delay time can be determined digitally, and an adjusting accuracy of the delay time can be increased; and also, the delay time can be adjusted through changing the level of the input signal, thus reducing circuit losses and costs | 06-19-2014 |
Weiming Wu, Albany, CA US
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20140110350 | METHODS OF INHIBITING CYANOBACTERIA GROWTH BY ADMINISTERING GRAMINE DERIVATIVES - This invention offers an effective method of inhibiting the growth of toxic bloom algae caused by cyanobacteria | 04-24-2014 |
Weiming Zhang, Shanghai CN
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20090199253 | System and Method for Accessing Internet Via TV and PC Connecting Set and a TV Connecting Set - A system and method of television internet and interactive entertainment, as well as a computer PC box and a television TV box for realizing the television internet and interactive entertainment are provided. Via the computer interface module in the computer PC box and the television interface module in the television TV box, the computer and the television are connected, and the television internet and the interactive entertainment are realized. | 08-06-2009 |
20100175097 | METHOD AND SYSTEM FOR USING IP NETWORK TO CONNECT A TELEVISION AND A COMPUTER TO PROCESS INTERACTIVE ENTERTAINMENT - A system and a method for interactive entertainment with a television and a computer connected by the IP network are provided. The system includes a computer, a TV set and an IP network, and particularly a computer PC box and a television TV box. The display output interface and the communication interface of the computer are connected to the computer PC box. The computer PC box communicates with the television TV box via the IP network. The audio-video signal of the television TV box is outputted to the TV set. Other input/output devices on the TV side are connected into the system via a corresponding interface of the television TV box. The communication medium adopted for the IP network can be selected from the group consisting of a category 5 cable, a power line, wirelessness or a fiber. The present invention, establishing the IP network by making use of the existing domestic local area network, the indoor power line or the wireless communication, realizes two-way transmission of the audio-video signal and the control signal between a computer and a TV set inside a house, and greatly facilitates arrangement of the domestic on-line entertainment system with a computer as the center. | 07-08-2010 |
20100242995 | METHOD FOR REMOVING IONIC SPECIES FROM DESALINATION UNIT - A method for removing ionic species from a desalination unit, comprises: (a) circulating a wash stream in a closed loop comprising a desalination unit and a precipitation unit, the wash stream flowing at a linear velocity of at least 5 cm/second through the desalination unit, the wash stream becoming more saline after passage through the desalination unit; and (b) removing a portion of calcium sulfate from the wash stream by precipitation in the precipitation unit to obtain a supersaturation degree of calcium sulfate in the wash stream entering the desalination unit in a range of from about 1.0 to about 3.0. | 09-30-2010 |
20110024354 | DESALINATION SYSTEM AND METHOD - A desalination system comprises an electrical separation device configured to receive and ionize a first stream for desalination and a crystallization device. The crystallization device is configured to provide a second stream to the electrical separation device to carry away ions from the first stream, and defining a crystallization zone for facilitating precipitation of the ions and a solid-liquid separation zone in fluid communication with the crystallization zone for separation of the precipitate. A desalination method is also presented. | 02-03-2011 |
20110114567 | PRECIPITATION DEVICE, METHOD AND ASSOCIATED SYSTEM - A precipitation device comprises a precipitation element disposed within a vessel and configured to define a precipitation zone and a solid-liquid separation zone between the precipitation element and the vessel, the precipitation zone configured to receive a first stream of saline liquid and to precipitate solids from the saline liquid, the solid-liquid separation zone configured to settle the solids by gravity, and an exit port located in an upper portion of the vessel and configured for exit of a second stream of liquid of lower salinity than the first stream, wherein a ratio of a diameter of the vessel to a diameter of the precipitation element ranges from about 1.5 to about 2.8. Associated system and method are also provided. | 05-19-2011 |
Weiming Zhang, West Conshocken, PA US
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20130092225 | ELECTROCONDUCTIVE PASTE COMPOSITION - An electroconductive paste composition, particularly for solar cells, contains silver particles, glass particles, an organic vehicle, and at least one additive. The additive may be tantalum pentoxide or fine, electrically conductive, metal particles, such as gold and/or platinum group metals. When used to form an electrical contact on a solar cell, such a paste provides for enhanced adhesion of the contact to the cell and improved electron transmission. | 04-18-2013 |
Weiming Zhang, San Francisco, CA US
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20120213844 | LIPOSOME COMPOSITION FOR TARGETING EGFR RECEPTOR - Short oligopeptides are provide which are capable of binding to the epidermal growth factor receptor on the surface of human tumor cells. Methods for using the peptides as targeting moieties in more complex compositions, such as conjugates of cytoxins, and/or structures, such as liposomal structures, for the purposes of drug delivery are also provided. | 08-23-2012 |
Weiming Zhang, West Conshohocken, PA US
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20130228207 | Conductive Thick Film Past For Solar Cell Contacts - The invention relates to an inorganic reaction system used in the manufacture of electroconductive pastes. The inorganic reaction system comprises a lead containing composition and elemental tellurium, where in the lead containing composition is between 5-95 wt. % of the inorganic reaction system, and the elemental tellurium is between 5-95 wt. % of the inorganic reaction system. More preferably, the lead containing composition is between 40-90 wt. % of the inorganic reaction system, and the elemental tellurium is between 10-40 wt. % of the inorganic reaction system. The lead containing composition can be a glass frit and can further comprise lead oxide. Another aspect of the invention relates to an electroconductive paste composition that comprises metallic particles, an inorganic reaction system as disclosed, and an organic vehicle. Another aspect of the invention relates to an organic vehicle that comprises a binder, a surfactant, a solvent, and a thixatropic agent. Another aspect of the invention relates to a solar cell printed with an electroconductive paste composition as disclosed, as well as an assembled solar cell module. Another aspect of the invention relates to a method of producing a solar cell. | 09-05-2013 |
Weiming Zhang, Shenzhen, Guangdong CN
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20150109195 | INFORMATION PROCESSING TERMINAL AND PROCESSING METHOD THEREFOR - An information processing terminal and a processing method therefor are provided. The information processing terminal comprises an execution component, a manipulation component and a display component, wherein the manipulation component is used as an external manipulation device of the execution component. The execution component also comprises a preprocessing module and an operation conversion module. The preprocessing module is used for preprocessing a control signal generated by each control module of the manipulation component, converting same into a signal corresponding to the control signal input in each application program, and generating a respective preprocessing record for each application program. The operation conversion module is used for converting the control signal generated by each control module of the manipulation component according to the preprocessing record of a certain application program during the running process of the application program. | 04-23-2015 |
Weiming Zhang, Shenzhen CN
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20150109195 | INFORMATION PROCESSING TERMINAL AND PROCESSING METHOD THEREFOR - An information processing terminal and a processing method therefor are provided. The information processing terminal comprises an execution component, a manipulation component and a display component, wherein the manipulation component is used as an external manipulation device of the execution component. The execution component also comprises a preprocessing module and an operation conversion module. The preprocessing module is used for preprocessing a control signal generated by each control module of the manipulation component, converting same into a signal corresponding to the control signal input in each application program, and generating a respective preprocessing record for each application program. The operation conversion module is used for converting the control signal generated by each control module of the manipulation component according to the preprocessing record of a certain application program during the running process of the application program. | 04-23-2015 |
Weiming Zheng, Emeryville, CA US
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20140323332 | MULTIPLEX HEPATITIS B ASSAY - Provided herein are multiplex assays for determining whether an individual is or has been infected with Hepatitis B virus, and the stage of infection or resolution. In addition, the multiplex system can discriminate between vaccinated subjects and subjects susceptible to Hepatitis B infection. | 10-30-2014 |