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Xu, Guangdong
Erjian Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120329982 | CYCLOPENTADIENEDITHIOPHENE-QUINOXALINE CONJUGATED POLYMER AND PREPARATION METHOD AND USES THEREOF - A cyclopentadienedithiophene-quinoxaline conjugated polymer and a preparation method and uses thereof are disclosed. The preparation method comprises the following steps: reacting diketone compound with o-phenylenediamine compound to obtain dibromide intermediate of quinoxaline heteroarylic ring compound; carrying out Stille-type coupling reaction of the intermediate, with 2,6-di(trimethyltin)-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b′] dithiophene compound, and 2,6-dibromo-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b′] dithiophene compound to obtain the cyclopentadienedithiophene-quinoxaline conjugated polymers. The polymers may be used in the fields of polymer solar cell and the like due to good solubility, high carrier mobility and relatively strong modifiability of chemical property and chemical structure. The preparation method is simple and can be handled and controlled easily. | 12-27-2012 |
| 20130066043 | Conjugated Polymer Containing Dithienopyrrole-Quinoxaline, Preparation Method and Uses Thereof - A conjugated polymer containing dithienopyrrole-quinoxaline, the preparation method and uses thereof are disclosed. The structural formula of the polymer is general formula (I) as follows: wherein, x+y=1, 0| 03-14-2013 | |
Haifeng Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20080233917 | Method for Implementing Charging in Intelligent Networks - A method for implementing charging in intelligent networks is provided, including: Step a: configuring a first paid service account as an attached account to a second paid service account, and setting an interface for invoking services and interface for deducting fees for the second paid service; Step b: when the first paid service is to be used by the first paid service account, determining whether the first paid service account is configured as an attached account to the second paid service account, if yes, invoking the interface for invoking services to authenticate the second paid service account; if it is authenticated, performing Step c; otherwise, terminating the procedure; and Step c: when the first paid service has been used by the first paid service account, calculating the fee and invoking the interface for deducting fees to deduct the fee from the second paid service account. | 09-25-2008 |
Haiying Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100167638 | FIXING STRUCTURE FOR VENTILATOR COVER SPRING - Disclosed is a fixing structure for ventilator cover spring, comprising a fixing component, a connector, a movable part, and a cover spring. The fixing component is a U-shaped protrusion formed on a cover and has a top wall and two leg walls, a first opening and a second opening are respectively formed in the two leg walls. Two cuts are formed at two ends of the connector, wherein each cut is provided with a tongue, the connector being inserted through and fixed in the first opening and the second opening. The movable part has a head portion and a foot portion, wherein the head portion is fixed on the connector, and the foot portion extends toward the top wall. The cover spring is fitted over the foot portion and is confined on the foot portion. | 07-01-2010 |
Hongbing Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120037785 | Spring arm device - The invention provides a spring arm device, comprising: a parallelogram linkage mechanism composed of a mobile side, a fixed side in parallel with the above-mentioned mobile side, an upper arm and a load arm respectively connected with the mobile side and the fixed side; a spring, one end of which is connected with the fixed side or the upper arm while the other end is connected with the mobile side or the load arm or the hinge joint between the mobile side and the fixed side; a pull rod used for installing the above-mentioned spring; a copular axle used for positioning the above-mentioned pull rod and a retainer used for installing the above mentioned copular axle; wherein, the above-mentioned retainer is positioned on the mobile side, or on the load arm or on the hinge joint between the mobile side and the load arm. Through a design to the copular axle and the retainer, the device ensures that the copular axle dynamically changes its position during rolling motion, and finishes geometric compensation for the spring's tensile force, thus realizing isoelasticity property. The device has the advantages of simplifying structure, reducing production cost, improving reliability and simplifying operation. | 02-16-2012 |
Jianlan Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110301402 | ULTRA-LOW FREQUENCY MAGNETIC STIMULATING DEVICE AND OPERATIONAL METHOD THEREOF - The invention provides an ultra-low frequency magnetic stimulating device and an operational method thereof. The device comprises a control module for generating a DC stimulating signal with a frequency lower than 20 Hz, an electric level shifting and converting circuit for shifting the electric level of the stimulating signal to form an AC stimulating signal, and an output module for power amplifying the AC stimulating signal and generating an electric current, an electric field or a magnetic field. The output of the ultra-low frequency magnetic stimulating device according to the invention is a non-pulsed ultra-low frequency (lower than 20 Hz) current, an electric field or a magnetic field. The output current can be used for electrotherapy when being output to an electrode, or for magnetotherapy when being output to a coil, so as to cure or release diseases related to human brains. | 12-08-2011 |
Jinyuan Xu, Guangdong CN
Junrong Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20080233917 | Method for Implementing Charging in Intelligent Networks - A method for implementing charging in intelligent networks is provided, including: Step a: configuring a first paid service account as an attached account to a second paid service account, and setting an interface for invoking services and interface for deducting fees for the second paid service; Step b: when the first paid service is to be used by the first paid service account, determining whether the first paid service account is configured as an attached account to the second paid service account, if yes, invoking the interface for invoking services to authenticate the second paid service account; if it is authenticated, performing Step c; otherwise, terminating the procedure; and Step c: when the first paid service has been used by the first paid service account, calculating the fee and invoking the interface for deducting fees to deduct the fee from the second paid service account. | 09-25-2008 |
Junwen Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100016021 | BASE BAND PROCESSING MODULE N+M BACKUP METHOD BASED ON SWITCHING AND DEVICE THEREOF - The present invention discloses a base band processing module N+M backup method based on switch, is characterized in that: a switch unit is added between RF transceiver unit and base band processing unit, and IQ signal forwarding between base band processing modules of the base band processing unit and RF transceiver modules of the RF transceiver unit is performed by the switch unit; handing over the functions of the base band processing module in trouble to a backup base band processing module by resetting the switch unit and modifying the path of receiving and transmitting IQ signal, therefore realizing the N+M backup for base band processing module. The present invention can effectively realize the N+M backup for the base band processing module by adding a switch unit, therefore solving the technical problem of complexity and high cost for wiring and interfacing when having a large number of BBP and TRX modules. | 01-21-2010 |
Kui Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110028758 | Trans-cinnamic acid derivative, its preparation mathod and the use - A compound of formula (I) or its pharmaceutically acceptable salt is prepared by ring opening of osthol under basic condition. The compound of formula (I) or its pharmaceutically acceptable salt has activity of selectively inhibiting tumor cells and lower toxicity, and can be used for preparing anti-tumor drugs. | 02-03-2011 |
Leimin Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120107719 | ELECTRODE CATALYST FOR MEMBRANE ELECTRODE OF FUEL CELL AND ITS METHOD OF PREPARATION AND FUEL CELL MEMBRANE ELECTRODE - This invention discloses an electrocatalyst for membrane electrode assembly, and its preparation method, as well as a fuel cell membrane electrode assembly. An electrocatalyst for fuel cell application, it is featured that the electrocatalyst is prepared by supporting precious metal (10-60 wt %) on a composite carrier which is prepared by depositing water-containing substance (0.3-10 wt %) on carbon material; Using the catalyst invented by this invention as anode catalyst, an fuel cell membrane electrode assembly with excellent non-humidification performance can be prepared by normal procedures. No need to construct a water retention layer, no need to add water retention material in proton exchange membrane, it avoids the possible problems caused by adding water attention material into proton exchange membrane or inserting a water retention layer. The approach suggested by this invention is a simple and effective approach to realize non-humidification membrane electrode assembly. | 05-03-2012 |
Minghai Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100329266 | System and a Method for Resource Access Control - The present invention discloses a system and a method for resource access control. In the system, a resource access control function entity comprises path selection function means, which is configured to set a QoS policy and select a path meeting the QoS requirement for a service flow based on set QoS policy. In the present invention, by adding the path selection function means and selecting the path using the path selection function means, the x-RACF has the QoS policy based function of path selection and resource control for the service flow accessing to an access network, and thus the QoS guarantee capability of the NGN service is strengthened. | 12-30-2010 |
Ning Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100192744 | A Paper Cutter with Changeable Cutter Holder - A paper cutter with changeable cutter holder includes a slideway support, a slideway, a worktable support, a cover, a control block, and a changeable cutter holder. The slideway is placed under the slide-way support. The worktable support providing with the changeable cutter holder is placed on the slideway, and the control block is placed on the cover provided on the workable support. The present invention ensures it couldn't happen to hurt user's hand during changing cutter, so it is safety and reliable, and convenient for changing cutter. | 08-05-2010 |
Qianzi Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120110406 | RATE MATCHING METHOD AND DEVICE - The present invention discloses a rate matching method and device. The method includes that: an information bit sequence is coded and interleaved to obtain a mother code codeword with a length N | 05-03-2012 |
Ruisong Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110114899 | Nano-Positive Electrode Material of Lithium Cell and Method for Preparation thereof - The present invention relates to a nano-positive electrode material of lithium cell and preparation thereof. And the material comprising Lithium iron phosphate as substrate, conductive doping ion and voltage-boosting doping ion, have the general chemical formula: (Li | 05-19-2011 |
| 20110209757 | Nano Polycrystalline Bio Thin Film Photovoltaic Cell and Preparation Method thereof - This invention relates to a photovoltaic cell and its preparation method. The nano polycrystalline bio thin film photovoltaic cell as provided by the present invention is of layered structure, and the structure from top to bottom is: a top plate insulated and sealed layer, a conductive layer, a nano semiconductor layer, chromophoric molecular layer, an electrolyte polymer layer, a conductive catalyst layer, a conductive layer, a bottom plate insulated and sealed layer. The nano semiconductor layer is made of three metal oxide or metal sulfide, and the electrolyte polymer layer is made of CeCl | 09-01-2011 |
Samson Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110226758 | ELECTROMAGNETIC OVEN CIRCUIT BASED ON SOC CHIP - An electromagnetic oven circuit based on SoC chip includes a power inversion circuit and a CHK-S008 type SoC chip. A CPU, comparators, an operational amplifier, an A/D converter, and an IGBT drive control module are integrated into this chip. The circuit further includes a feedback excitation IGBT driver including the IGBT drive control module, the comparator, an external driver, and an external feedback circuit connected between the output of the IGBT drive control module and the in-phase input terminal of the comparator, the output of the comparator is connected to the feedback terminal of the IGBT drive control module, the external driver is connected between the output of the drive control module and the input of the power inversion circuit for driving the power inversion circuit to work. The external feedback circuit feeds back the pulse signal into the chip to modify the IGBT drive waveform and optimize the pulse signal waveform, which improves the work efficiency; at the same time, an excitation effect may be generated in the case of a weak synchronization signal by the external feedback circuit, preventing the synchronization signal from failing when the commercial power is low. | 09-22-2011 |
| 20120103977 | DIGITAL CONTROL TYPE POWER CONVERTER FOR COOKING UTENSILS - A digital control type power converter for cooking utensils includes a rectifier; a power inverting circuit composed of an IGBT and an LC shunt-resonant circuit; and a SoC chip which internally integrates a MPU, a Programmable Pulse Generator (PPG), an ADC, a COM, wherein the PPG, the ADC and the COM are connected to the MPU. One output of the MPU is connected to the PPG through a first AND gate, and a pulse signal outputted by the PPG is transmitted to the IGBT through a second AND gate. The MPU calculates the present power value according to measured current and voltage signals, and compares the present power value with the required power of the host computer to change the set pulse width value of the PPG. When a magnetic energy conversion detecting circuit outputs an enabling signal, the PPG outputs the pulse signal with the setting pulse width to drive the IGBT and realize the regulation of power. Since this converter can receive man-machine operating instructions and dynamically change its output power, the inductive structure in the resonant circuit can be appropriately changed to be applied to high-frequency heating equipment, such as a microwave oven, an electromagnetic oven, and the alike. | 05-03-2012 |
Shiping Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120180578 | MULTI-SECTION SEDIMENT PORE WATER SAMPLER - The present invention discloses a multi-section sediment pore water sampler, which comprises a plurality of sampling units arranged coaxially and separated with each other; this arrangement ensures no water exchange occurred between two adjacent sampling units, collection of the sediment pore water samples from different depths of a same position is realized, whereby to facilitate organic pollutant sampling in sediment pore water at different depths according to different time resolutions. Furthermore, as the heights of the sampling units as well as the clearances between two neighboring sampling units may be various, in use users can configure the sampler according to the actual condition of the time resolution required, thus this sampler can also help improve the time resolution of water sampling. | 07-19-2012 |
Shuang Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110002098 | CIRCUIT, SYSTEM AND METHOD FOR CONTROLLING HEAT DISSIPATION FOR MULTIPLE UNITS ON A CIRCUIT BOARD - A circuit for controlling heat dissipation means for multiple units on a circuit board may comprise a first logical OR operation unit connected to said multiple units. The first logical OR operation unit is for performing a logical OR operation on a first set of signals output from the multiple units that represents whether any one of the multiple units has reached an overheated status. A resultant signal is output from the first logical OR operation to control an overheat protection unit connected to the first logical OR operation unit. A second logical OR operation unit is for performing a logical OR operation on a set of signals from the multiple units representing a relationship between the workload and the core temperature of a unit, whether a unit has reached an alert status and whether any of the multiple units has reached an overheated status. | 01-06-2011 |
Shuwen Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110028444 | PHARMACEUTICALLY ACCEPTABLE SALTS OF ANTI-INFECTION QUINOLONE COMPOUNDS - The invention discloses the pharmaceutically acceptable salts of an optically active quinolone compound useful against infection, specifically the pharmaceutically acceptable salts of (S)-6-fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-1H,4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid. The pharmaceutically acceptable salts of the present invention are stable and have improved water solubility. They possess higher biological activity, less toxicity for kidney and no irritation to skin and muscle. | 02-03-2011 |
Susan Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100272171 | SELF-ADAPTING CODE RATE DISTRIBUTION METHOD OF VIDEO IMAGE MACRO-BLOCK LEVEL - A self-adapting code rate distribution method of video image macro-block level is provided. The method carries out analysis processing in units of macro blocks, a bit distribution model which combines bits number of a macro block level with the macro block energy is used, so that the bit distribution of each macro block is combined with the macro block energy, in which the macro block energy is obtained through extracting and abstracting the macro block characters. The above model can primely combine the code rate control arithmetic with the nature character of the image, then the accuracy of the code rate control can be improved, the code quality can be controlled at the same time, and the quality change in space of the image can be smoothed, the image subjective quality can be improved. | 10-28-2010 |
Xianghua Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120198900 | COMPOSITE FOLIAGE SI FERTILIZER FOR LOWERING CONTENTS OF HEAVY METALS AND NITRATE IN VEGETABLE, AND PREPARATION METHOD THEREOF - The present invention is related to the field of environmental protection, more specifically, to a foliage silicon fertilizer and a method for production of the fertilizer, which is a molybdenum-silica compound sol used for reducing heavy metal and nitrates in vegetables. The fertilizer, which is a molybdenum-silica compound sol, comprises 10-25 wt % silica, 0.05-5.5 wt % molybdenum ions. More preferably, the fertilize, which is a rare earth-molybdenum-silica compound sol, comprises 10-25 wt % silica, 0.05-5.5 wt % molybdenum ions and 0.1-7.5 wt % rare earth ions. By the combination of silica with molybdenum in the present invention, it is effective for preventing the absorption/accumulation of nitrates in vegetables. In addition, by the further combination with rare earth element, the prevention ability of the fertilizer from absorbing heavy metal and nitrates into vegetables is even enhanced. With a preparation method with normal pressure and relatively, low temperature, that is, with mild condition, simple process and high operability, large scale production of the present invention may be readily executed. | 08-09-2012 |
Xiaoping Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120045833 | Bioreactor, control system and control method thereof - A bioreactor includes a cylinder, a mandrel and a filter film. The cylinder includes two end walls and a circumferential wall interconnected with the both end walls; the two end walls and circumferential wall define together a reaction chamber. The mandrel is disposed between the two end walls. The mandrel has an inlet path and an outlet path provided on its both ends; the filter film wraps the mandrel to prevent passage of the first kind of substance while permit the passage of the second kind of substance; a gap is defined between the filter film and mandrel; at least one portion of the filter film is tied so as to divide the gap into multiple separate and isolated gap regions to prevent the second fluid from direct exiting from the outlet path through the gap. Also disclosed are control system and method for the bioreactor. | 02-23-2012 |
Xiuyuan Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20100265305 | INK CARTRIDGE FOR INKJET PRINTER - An ink cartridge for an inkjet printer is provided. The ink cartridge includes a light detection portion, a first triangular prism and a second triangular prism, made of transparent material and disposed on the light detection portion, for receiving, deflecting, or refracting light emitted by a light emitting element on the printer. Two surfaces of the second triangular prism contact ink in the ink cartridge. When the ink cartridge has ink contained therein and is installed into a printer, the light emitted by the light emitting element is totally reflected by the first triangular prism and refracted by the second triangular prism into the ink, and will not be received by a light receiving element on the printer. When the ink in the ink cartridge is exhausted, the light is totally reflected by the second triangular prism onto the first triangular prism, and then is reflected onto the light receiving element, and thus the printer detects that the ink is exhausted. | 10-21-2010 |
Yangsheng Xu, Guangdong CN
Yibin Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20110190468 | KIND OF BIODEGRADABLE POLYESTER AND ITS PREPARATION METHOD - The present invention relates to a kind of biodegradable polyester and its preparation method, which belongs to the field of biodegradable co-polyester product technology. The number-average molecular weight of the biodegradable polyester material under this invention is 6000-135000 g/mol, the molecular weight distribution is 1.2-6.5, and the range of crystallization temperature is 15° C.-105° C., which could overcome the disadvantages of existing technical products and can be processed into membrane materials, sheet materials and foam materials. During processing, the picking property will be dramatically changed with the appearance quality improved; after heat resistance is improved, this new type of polyester material could also be applied to the processing course with long cycles, for example, the injection processing course, and the biodegradable aliphatic/aromatic polyester materials provided by this invention has excellent mechanical properties. | 08-04-2011 |
Yongliang Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20090310960 | METHOD FOR MESH OPTICAL NETWORK SERVICE RESTORATION - This invention discloses a method for mesh restoration, which includes the steps of: a) reserving channel resource for restoration path in the link by which the path passes and assigning discriminator for each channel, and determining the associated signaling channels for transporting the discriminator; b) when detecting the work path fails, activating the restoration path of the work path according to the discriminator which is transported by the associated signaling channel and whose value corresponds to a restoration. Using the method of the invention, the problem in rapid mesh restoration can be solved, and the speed of mesh restoration is comparable to that of the ring network protection. | 12-17-2009 |
Yuehuang Xu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20120231696 | AEROBAT TOY - An aerobat toy comprising propellers ( | 09-13-2012 |