Xu, Hangzhou
Bing Jing Xu, Hangzhou CN
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20120130705 | TEXT SEGMENTATION WITH MULTIPLE GRANULARITY LEVELS - Text processing includes: segmenting received text based on a lexicon of smallest semantic units to obtain medium-grained segmentation results; merging the medium-grained segmentation results to obtain coarse-grained segmentation results, the coarse-grained segmentation results having coarser granularity than the medium-grained segmentation results; looking up in the lexicon of smallest semantic units respective search elements that correspond to segments in the medium-grained segmentation results; and forming fine-grained segmentation results based on the respective search elements, the fine-grained segmentation results having finer granularity than the medium-grained segmentation results. | 05-24-2012 |
20150100307 | TEXT SEGMENTATION WITH MULTIPLE GRANULARITY LEVELS - Text processing includes: segmenting received text based on a lexicon of smallest semantic units to obtain medium-grained segmentation results; merging the medium-grained segmentation results to obtain coarse-grained segmentation results, the coarse-grained segmentation results having coarser granularity than the medium-grained segmentation results; looking up in the lexicon of smallest semantic units respective search elements that correspond to segments in the medium-grained segmentation results; and forming fine-grained segmentation results based on the respective search elements, the fine-grained segmentation results having finer granularity than the medium-grained segmentation results. | 04-09-2015 |
Changjiu Xu, Hangzhou CN
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20120131207 | METHOD, APPARATUS, AND SYSTEM FOR RELEASING RESOURCES - Embodiments of the present invention disclose a method, an apparatus, and a system for releasing resources. The method includes: querying a reservation record according to information about a current session; judging whether a reservation record exists according to a result of the query; judging whether a conflicting session exists according to reservation information in the reservation record if the reservation record exists; obtaining reservation information of the conflicting session if the conflicting session exists, and releasing a corresponding reserved service unit according to the reservation information of the conflicting session; and reserving a service unit for the current session, storing reservation information of the current session, and forming a reservation record for the current session if no reservation record exists or no conflicting session exists or the corresponding reserved service unit is released. | 05-24-2012 |
Chao Xu, Hangzhou CN
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20160110847 | Image Anti-Aliasing Method and Apparatus - An image anti-aliasing method and apparatus are provided, where the method includes acquiring a to-be-displayed image in a terminal, acquiring a current distance parameter of the terminal, where the current distance parameter is used to indicate a distance between an eye of a user of the terminal and a display screen of the terminal, determining a current anti-aliasing algorithm according to the current distance parameter by using a correspondence between a distance parameter and an anti-aliasing algorithm, and performing anti-aliasing processing on the to-be-displayed image according to the current anti-aliasing algorithm. In embodiments of the present disclosure, anti-aliasing processing is performed on a to-be-displayed image based on a distance parameter, that is, an anti-aliasing processing manner of the image is dynamically adjusted according to the distance parameter. | 04-21-2016 |
Dehong Xu, Hangzhou CN
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20100245008 | ENTIRELY INTEGRATED EMI FILTER BASED ON A FLEXIBLE MULTI-LAYER STRIP MATERIAL - An entirely integrated EMI filter is based on a flexible multi-layer strip material. An EE or EI core comprises two side pillars and one middle pillar and forms a closed magnetic circuit. The middle pillar has an air gap. A first winding and a second winding respectively are wound around the two side pillars in a same winding direction. The middle pillar is wound with a third winding and a fourth winding, or with only a fifth winding. Passive components (e.g., all passive components) of the EMI filter are integrated into one core so that in its differential mode, insertion loss is significantly reduced, the size and volume are reduced, and the distribution constant of the EMI filter has less impact on the filter's performance. | 09-30-2010 |
Dian Xu, Hangzhou CN
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20110296996 | FREE RADICAL INJECTION IONIZER FOR FLUE GAS TREATMENT WITH CORONA DISCHARGE - A free radical injection ionizer for flue gas treatment with corona discharge comprises an injection device for releasing free radical source substances and an electrode device for producing corona, wherein the injection device and the electrode device are arranged separately, wherein the electrode device comprises a conductive pole, and discharge tips arranged on the upper and lower sides of the conductive pole at equal intervals, and the injection device comprises nozzles symmetrically arranged on two sides of the electrode device, and two lines of holes axially arranged on the walls of the nozzles nearby the electrode device, the axial lines of the holes directing the discharge tips nearest the holes. | 12-08-2011 |
Fei Xu, Hangzhou CN
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20150365350 | RESOURCE DOWNLOADING METHOD AND APPARATUS - Embodiments of the present invention provide a resource downloading method and apparatus. The method includes: intercepting an access request for current resources; finding, through a resource relationship index file, resources which have dependency relationships with the current resources and do not exist locally on the client as predicted resources, wherein the resource relationship index file is generated in advance according to dependency relationships between individual resources in the full client of a network application; and allocating a first thread from unoccupied threads available for downloading the predicted resources, and downloading the predicted resources locally to the client using the first thread. In addition, embodiments of the present invention provide a resource downloading apparatus. | 12-17-2015 |
Guanghua Xu, Hangzhou CN
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20130101844 | SPECIAL-SHAPED FILAMENT WITH RANDOM THERMAL-CONGLUTINATION - A stochastic thermal-conglutination profiled filament is disclosed. The profiled filament varies, according to the change of the process condition, in one or more of fiber structure, total linear density, monofilament density, number of monofilaments, shape of cross section of the monofilament, radial degree of profile of the monofilament DR %, three-dimensional structure of the monofilament, and physical property of the monofilament along the axial direction of the filament of the infinite length. | 04-25-2013 |
Guanhua Xu, Hangzhou CN
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20140033955 | PRECISION TILTING PLATFORM DEVICE USED FOR STATIC CALIBRATION OF SEISMOMETERS - A precision tilting platform used for static calibration of seismometers is composed of a base, a worktable, a rotary part, a driving part, a measuring part and supporting frames. The rotary part is composed of a shaft, a driving arm, a rotary table and a clump weight. The shaft is fixed on the left and right supporting frames. The driving part and clump weight are assembled beside the two sides of the driving arm. The driving part is composed of a linear motor, a sliding table, a pair of linear guides and sliders and a grating scale. The readhead of the grating scale is fixed with the base and sends out the signal of zero position when the worktable is horizontal. The sliding table is closely contacted to the driving arm. When the linear motor is moving forward, the rotary part is pushed by the sliding table and rotates toward the positive direction. When the linear motor is moving backward, the sliding table is pulled backward and the rotary part rotates toward the negative direction because of the gravity of the clump weight. The measuring part is composed of a laser interferometer and a reflector that reflects the laser beam back to the laser interferometer to obtain the tilting angle of the worktable, on which the reflector is mounted. The present invention has the advantage of high positioning accuracy, high transmission efficiency and wide application. | 02-06-2014 |
Hongmin Xu, Hangzhou CN
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20140181680 | METHOD AND DEVICE FOR CONTACTING CONTACT PERSON - Embodiments of the present invention relate to the network communications field and disclose a method and a device for contacting a contact person, so as to increase probability of contacting the contact person successfully at a single attempt and save user time and the operator's operation resources. The method for contacting the contact person includes: obtaining a current state of the contact person on a communications platform, where the current state indicates a state of the contact person on the communications platform at current time, and the state is determined according to an operation performed by the contact person on the communications platform or a terminal bound to the communications platform; determining a contact manner of the contact person, where the contact manner corresponds to the obtained current state; and setting the determined contact manner as a preferred contact manner of the contact person. | 06-26-2014 |
20150074100 | METHOD AND APPARATUS FOR OBTAINING ADDRESS BOOK, AND SERVER - The present invention provides a method and an apparatus for obtaining an address book, and a server. The method includes: performing matching in the address book according to a name to be searched for and entered by a user, to obtain to-be-sorted names; and obtaining a sorting attribute of the to-be-sorted names, sorting the to-be-sorted names according to the sorting attribute, and generating a name list, where the sorting attribute includes a department attribute or a department contact frequency. According to the method and apparatus for obtaining an address book, and the server in embodiments of the present invention, names that match a name to be searched for are sorted according to a sorting attribute, so that a user can find a desired name quickly and obtain corresponding contact information or other information, which saves the user's search time and improves user experience. | 03-12-2015 |
Hu Xu, Hangzhou CN
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20160065663 | DYNAMIC LOAD-BASED MERGING - One embodiment of the present invention provides a system for facilitating dynamic load-based merging. During operation, the system identifies incremental data in memory of a first computing device. The incremental data comprises update to reference data in a storage device in a second computing device. If the size of the incremental data becomes greater than a threshold, the system selects a first server group from a plurality of server groups. The second computing device belongs to this first server group. The system then migrates data access requests from the first server group to other server groups in the plurality of server groups and merges the incremental data from the memory of the first computing device to the storage device in the second computing device. The merging includes batch sequential disk writes to the storage device of the second computing device. | 03-03-2016 |
Huajiang Xu, Hangzhou CN
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20110225408 | CACHE BOOT MECHANISM - A block device driver performs system boot using cache data and thus provides a mechanism that reduces disk/IO waiting time during system boot. | 09-15-2011 |
Huifeng Xu, Hangzhou CN
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20130042136 | METHOD, APPARATUS, AND SYSTEM FOR PERFORMING TIME SYNCHRONIZATION ON PCIE DEVICES - Embodiments of the present invention provide a method, an apparatus, and a system for performing time synchronization on PCIE (PCI Express, peripheral component interconnect express) devices. The method mainly includes: a PCIE device receiving, through a hardware interface, a time synchronization signal sent from a clock source device; parsing, by the PCIE device, the time synchronization signal to obtain clock information carried in the time synchronization signal, and using the clock information as a clock of the PCIE device. The PCIE devices are supported to access a synchronous network, and the PCIE devices are supported to be used as a global clock source. | 02-14-2013 |
Huiwen Xu, Hangzhou CN
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20150184457 | Louver Roller System with Cam Pin Turning Mechanism - The invention discloses a louver roller system with a cam pin turning mechanism, including a base and a top cover, wherein a roller mechanism and a cam pin turning mechanism are mounted on the base, the roller mechanism is wound with ladder tapes, the roller mechanism is in axial connection with the cam pin turning mechanism, and the roller mechanism and the cam pin turning mechanism are driven to rotate by a square shaft. The roller mechanism controls horizontal rising and falling of secondary louver blades, and the roller within the roller mechanism rotates to wind or unwind the ladder tapes thereon and sequentially drives various secondary louver blades to rise and fall horizontally. When various secondary louver blades rise to a predetermined position, the roller drives the cam pin turning mechanism to bring a turning cylinder to rotate, so as to achieve turning of all louver blades. | 07-02-2015 |
Jason Xu, Hangzhou CN
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20150128060 | METHOD AND APPARATUS OF PROVIDING APPLICATION PROGRAM INFORMATION IN MOBILE TERMINAL DEVICE - A method and an apparatus for providing application program information in a mobile terminal device are provided. The method includes: providing a first operation entrance for selecting a concerned application program to a user in a user interface; determining the concerned application program based on a selection operation received via the first operation entrance; obtaining information that is pending for display in the concerned application program; and displaying the information that is pending for display in a lock screen interface of the mobile terminal device. Using the present disclosure, the path of acquiring information for a user can be shortened. | 05-07-2015 |
Ji Xu, Hangzhou CN
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20100306246 | Method and System for Managing User Information in Instant Messaging Systems - The present disclosure discloses a method for managing user information in an instant messaging system in order to address the problems of increasing system workload, increasing network overhead and deteriorated system performance in existing technologies due to frequent access of user information management server or servers when user information is searched. According to a disclosed method, an access server obtains and stores information of contacts of a logged-in user; the access server notifies user information of the logged-in user to other access servers; the access servers that receive the notification store the user information of the logged-in user upon determining that contact(s) is/are found locally therein; and when the access server needs to obtain the information of the contacts of the user, the access server performs a search either locally or in other access servers. Furthermore, a communication system is also provided. The disclosed method and system are believed to result in greatly reduced frequency of searching user information in the user information management servers, reduced workload of the user information management servers, improved performance of searching user information and reduced network overhead of the system. | 12-02-2010 |
20140128042 | EXCHANGING INFORMATION VIA A DESIGNATED APPLICATION - Exchanging information via a designated application includes establishing a voice communication link with a client device, sending a launch command associated with a designated application to the client device via the voice communication link, wherein the launch command is configured to cause the designated application to be launched at the client device; and exchanging information with the client device using the designated application, wherein the designated application is configured to receive input information and the input information is received from the client device. | 05-08-2014 |
20140165171 | METHOD AND APPARATUS OF ACCOUNT LOGIN - The present disclosure discloses a method and an apparatus of account login to solve the problem of low efficiency of account login in existing technologies. A client of the method captures an image of a first credential of a user, recognizes user information of the user that is included in the captured image, includes the recognized user information into a login request, and sends the login request to a server for logging into an account that corresponds to the user information. Through this method, a user does not need to input his/her username when using a client for account login, but perform the account login by directly capturing an image of a first credential using an image capturing device of the client, thus effectively improving the efficiency of account login. | 06-12-2014 |
20140173710 | METHOD AND APPARATUS FOR INFORMATION VERIFICATION - The present disclosure provides a method and an apparatus for user verification. A terminal device recognizes a sequence of click operations made by the user according to a maneuver prompted on a terminal device. The sequence of click operations carries operation information from which a click pattern characteristic, such as a characteristic code, can be determined. Upon receiving the determined click pattern characteristic, a server verifies the user input by matching the click pattern characteristic with a verification code set or stored by the server. The click pattern characteristic may be based on recognizing clicking or tapping operations performed by the user at a specified time and/or in a designated area. The method enables user verification on devices that lowers the rate of errors in the user input of verification codes. | 06-19-2014 |
20150332226 | METHOD, APPARATUS, AND SYSTEM FOR OPERATING AN ELECTRONIC ACCOUNT IN CONNECTION WITH AN ELECTRONIC TRANSACTION - Embodiments of the present application relate to a method, apparatus, and system for operating an electronic account or displaying a payment page. The method includes receiving, from a first client terminal, a payment platform display page acquisition request, providing, to the first client terminal, a payment platform display page, wherein the payment platform display page includes a first script code, wherein in the event that the first script code is executed, the first script code causes the first client terminal to obtain a payment page including a digital object unique identifier from a payment server and to display the payment page, wherein the digital object unique identifier indicates an upcoming payment sum, receiving verification information, and sending the verification information to the payment server to instruct the payment server to execute a deduction operation on an electronic account. | 11-19-2015 |
20160035044 | ACCOUNT PROCESSING METHOD AND APPARATUS - A method and an apparatus for account processing are disclosed. The method includes splitting a master account into a plurality of sub-accounts, wherein a sum of balances of the plurality of sub-accounts is equal to a balance of the master account; and sending sub-account information of the master account to an application system upon receiving an accounting operation request for the master account from the application system, the sub-account information being used by the application system to perform an accounting operation on a sub-account of the master account. Since the embodiments of the present disclosure split a master account into a plurality of sub-accounts, an application system may perform an accounting operation on multiple sub-accounts of the master account concurrently to improve the efficiency of performing the accounting operations on the master account. | 02-04-2016 |
Jia Xu, Hangzhou CN
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20130139166 | DISTRIBUTED DATA STREAM PROCESSING METHOD AND SYSTEM - Embodiments of the present application relate to a distributed data stream processing method, a distributed data stream processing device, a computer program product for processing a raw data stream and a distributed data stream processing system. A distributed data stream processing method is provided. The method includes dividing a raw data stream into a real-time data stream and historical data streams, processing the real-time data stream and the historical data streams in parallel, separately generating respective results of the processing of the real-time data stream and the historical data streams, and integrating the generated processing results. | 05-30-2013 |
Jiang Xu, Hangzhou CN
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20150376858 | Wind Turbine Generator Foundation with Pressure-Dispersive High Strength Pre-stressed Anchors - Disclosed is a wind turbine generator foundation with pressure-dispersive pre-stressed anchor rods or anchor ropes. The foundation comprises a pile cap, a plurality of foundation piles arranged circumferentially at the bottom of the pile cap at uniform spacing, and a wind turbine generator tower connected to an upper part of the pile cap. | 12-31-2015 |
Jianping Xu, Hangzhou CN
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20140206786 | USE OF TRIALKYL PHOSPHATE AS A SMOKE SUPPRESSANT IN POLYURETHANE FOAM - Described is a method for using a trialkyl phosphate as a smoke suppressant in a polyurethane foam. The trialkyl phosphate having at least one alkyl group with two carbon atoms is included in the polyurethane foam, which has an absence of halogenated flame retardants. | 07-24-2014 |
Jianrong Xu, Hangzhou CN
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20130151785 | DIRECTORY REPLACEMENT METHOD AND DEVICE - The present invention provides a directory replacement method and device. An HA receives a data access request including a first address from a first CA, if a designated storage where a directory is located is entirely occupied by the directory, and a first directory entry corresponding to the first address is not in the directory, the HA selects a second directory entry from the directory, deletes it and adds the first directory entry into the directory; before the HA replaces the directory entry in the directory, no matter what status (for example, I status, S status or A status) a share status of a cache line corresponding to an address in the directory entry to be replaced is, the HA does not need to request a corresponding CA to perform an invalidating operation on data, but directly replaces the directory entry in the directory, thereby improving replacement efficiency. | 06-13-2013 |
Kanghui Xu, Hangzhou CN
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20100032174 | Gas-Foam Fire-Extinguishing Product, Process for Preparing the Same, Use Thereof and Fire-Extinguishing System Using the Same - The present invention relates to a gas-foam fire-extinguishing product consisting of a clean gas fire-extinguishing agent and a foam fire-extinguishing agent, a process for preparing the product, use of the product and a fire-extinguishing system using the product. According to the present invention, the clean gas fire-extinguishing agent is used as a foaming agent for the foam fire-extinguishing agent and is contained in the generated foams. The present invention solved a problem in the prior art for a long time that the combustible liquids with Slow boiling point are difficult to be fire-extinguished. | 02-11-2010 |
Ke Xu, Hangzhou CN
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20150326663 | METHOD, APPARATUS, AND SYSTEM FOR MANAGING INVITATIONS FOR MULTI-DEVICE PARTICIPATION IN AN APPLICATION PROGRAM - Embodiments of the present application relate to a method and system for managing invitations to participate in an application program. The method includes acquiring, at an application service device, application program information associated with an application program executed by the application service device, determining, based at least in part on the application program information, whether the application program supports participation by another application service device, and in the event that the application program supports participation by another application service device, sending invitation information associated with the application program to a client device that is connected to the application service device. | 11-12-2015 |
Leishi Xu, Hangzhou CN
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20130080598 | DETERMINING THE PHYSICAL LOCATION OF A CLIENT - Determining a physical location of a client, including: determining a network transmission time associated with a first server and a network transmission time associated with a second server; determining a set of key parameters for the first server and a set of key parameters for the second server; determining a distance between the client and the first server and a distance between the client and the second server based at least in part on inputting the network transmission time associated with the first server, the network transmission time associated with the second server, the set of key parameters for the first server, and the set of key parameters for the second server into a data processing model; and determining the physical location associated with the client using the distance between the client and the first server and the distance between the client and the second server. | 03-28-2013 |
Lianbo Xu, Hangzhou CN
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20160104035 | PRIVACY FOR CAMERA WITH PEOPLE RECOGNITION - A method to provide privacy protection on a video includes performing people recognition on the video, when a registered person is recognized, determining if a privacy setting is turned on, and, when the privacy setting is turned on, performing privacy protection on the video. Performing privacy protection on the video includes pausing a recording of a live video, obscuring the registered person in the live video or a recorded video, or skipping ahead or deleting part of the recorded video. | 04-14-2016 |
20160110608 | PHOTO DIARY - A method to create a photo diary includes creating an entry for a time period in the photo diary. Creating the entry includes selecting candidate frames from digital videos created or received in the time period. Selecting the candidate frames includes performing people and pet detection on the digital videos, extract frames with people and pets from the digital videos perform people recognition on the frames with people to identify frames with recognized persons. The method further includes sorting the candidate frames with recognized persons and pets into groups based on criteria, selecting representative frames from the groups, and presenting the representative frames in the entry. | 04-21-2016 |
Liangzhong Xu, Hangzhou CN
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20140243376 | O-AMINO BENZONITRILE COMPOUNDS, METHOD FOR PREPARING SAME AND USES THEREOF - It relates to an anthranilonitrile compound, and to the process for preparing the said anthranilonitrile compound, and to its use. The anthranilonitrile compound has a chemical general formula (I). The compound of the general formula (I) has excellent pesticidal activity, can be used to control pests, and has more than 98% of mortality in 3 days to diamondback moth and pink borer. | 08-28-2014 |
Ligang Xu, Hangzhou CN
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20160044754 | MULTICHANNEL CONSTANT CURRENT LED DRIVING CIRCUIT, DRIVING METHOD AND LED DRIVING POWER - A multichannel constant current LED driving circuit can include: (i) a power stage circuit having a power switching transistor, an inductor, and a rectifier circuit, where the power stage circuit is configured to receive a DC bus voltage, and to generate a pseudo-constant output signal to drive a plurality of LED strings; (ii) a current control unit configured to control an average current of each of the plurality of LED strings in accordance with a corresponding one of a plurality of dimming signals; and (iii) the current control unit being configured to control the power switching transistor in accordance with a current feedback signal that represents a current flowing through the LED strings, where the plurality of LED strings are coupled in series to receive the pseudo-constant output signal. | 02-11-2016 |
Lihong Xu, Hangzhou CN
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20150212221 | ACOUSTIC SENSOR SYSTEMS FOR IDENTIFICATION OF ARBITRARY WAVES - Arbitrary wave loads are detected and reconstructed by a sensor system based on an inverse mechanism of continuous structure responses. A sensor system comprising a sensing component configured with a sandwich-structured beam of composite materials can generate the structural responses as a moving wave propagates across the beam. In one example, an Arnoldi-Tikhonov algorithm coupled with generalized cross-validation technique can be utilized to determine a regularization parameter that is utilized to compensate for the presence of noise in the wave load and/or the highly ill-posed problems of the inverse matrix that is utilized for wave reconstruction. Further, the Tikhonov algorithm can be utilized to reconstruct wave loads (e.g., at different location on the beam and/or different times) based on the structural response parameters and the regularization parameter. As an example, an image of the determined wave load values can be rendered in three dimensions (3-D) versus time and location. | 07-30-2015 |
Linjie Xu, Hangzhou CH
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20130153336 | PERSONNEL LIFT VEHICLE - The present disclosure relates generally to personnel lift vehicles that include a carriage, a telescoping lift and a load carrying frame. The telescoping lift is connected to a rear portion of the carriage and the load carrying frame is connected to and extends forward from the telescoping lift. The load carrying frame includes a bottom portion that provides an operator platform that is disposed at a central portion of the carriage between a front portion and the rear portion of the carriage. The configuration of the disclosed personnel lift vehicle provides an integral solution for counterweight requirements for the carriage while reducing the overall driving space required for the vehicle. | 06-20-2013 |
Linjie Xu, Hangzhou CN
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20130186708 | PERSONNEL LIFT VEHICLE - The present disclosure relates generally to lift vehicles that include a carriage having at least three wheels, a lift and a load carrying frame. The load carrying frame is connected to the lift, which is connected to the carriage. A selectively deployable platform is disclosed that is pivotably connected to the carriage and movable between a stowed position and a support position. At least two rollers may be spaced apart and configured to engage and slidably support a battery above the carriage. | 07-25-2013 |
20150102274 | POWERED PALLET TRUCK - A powered pallet truck is provided having a base support portion and a load lift portion. The powered pallet truck has a lift cylinder device connected at a lower portion to a forward extending lift cylinder device seat on the base frame and pivotally connected at an upper portion within a recessed channel in the load lift frame. | 04-16-2015 |
Lixia Xu, Hangzhou CN
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20130132700 | METHOD AND SYSTEM FOR DYNAMICALLY UPGRADING A CHIP AND BASEBOARD MANAGEMENT CONTROLLER - The present invention relates to the field of communications, and in particular, to a method and a system for dynamically upgrading a chip and a baseboard management controller. The method includes: obtaining an upgrade file that is used for upgrading a chip; upgrading, based on the upgrade file, data in a flash memory that is used for storing data of the chip, and not performing a reset operation on the chip at this time; and when it is acquired through detection that the state of a service system that is connected to the chip is a service idle state, replicating the upgraded data in the flash memory to a random access memory in the chip, and performing a reset operation on the chip. According to the present invention, the availability and maintainability of the system are improved. | 05-23-2013 |
Longzhou Xu, Hangzhou CN
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20140123698 | AUTOMOBILE AIR-CONDITIONING SYSTEM - Disclosed is an automobile air-conditioning system, which comprises an evaporator and an electrical expansion valve in communication via pipes, with the electrical expansion valve comprising a coil and a valve body, the coil being fixedly mounted on the valve body; the system also comprises a support, the support comprising a heat-sinking bridge and a cooling ring, with the evaporator provided on one side of the heat-sinking bridge and the cooling ring provided on the other side of the heat-sinking bridge; the heat-sinking bridge and the cooling ring are formed in one piece or are connected with each other fixedly, and the coil is provided within the cooling ring. The automobile air-conditioning system has the advantages of a compact structural design, is capable of effectively cooling the electrical expansion valve, and has high system strength, stable transmission of coolant, and high security. | 05-08-2014 |
Miao Xu, Hangzhou CN
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20150216895 | CYCLODEXTRIN FOR THE TREATMENT OF LYSOSOMAL STORAGE DISEASES - The invention provides for methods of treating lysosomal storage disorders and/or reduction of non-cholesterol lipids, using cyclodextrin compounds, including in combination with other therapeutics, including vitamin E. | 08-06-2015 |
Miaofang Xu, Hangzhou CN
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20120193828 | WET PROCESS OF FABRICATING FIBER WALL PANELS - This invention discloses a wet process of fabrication of fiber wall panel, which includes the following steps: 1) slurry making: mix nontimber type natural plant fiber slurry with grass family slurry according to 1:0˜1.5 dry weight ratio, and add water to dilute this slurry; 2) slurry storage: pour the mixed slurry into slurry storage tank and add water for dilution; 3) suction straining and forming: pour slurry into mold cavity for cold pressing, dewatering, and forming, to yield wet blanks; 4) hot pressing, forming, and drying: move the wet blanks to the hot pressing mold for hot pressing and remove moisture generated during hot pressing, to yield fiber wall panel. Fiber wall panel made by this process features environment friendliness and high strength. | 08-02-2012 |
Mingsheng Xu, Hangzhou CN
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20130307029 | High-Resolution Biosensor - A high-resolution biosensor for analysis of biomolecules is provided. The high-resolution biosensor comprises a functional unit comprising a conducting material with an atomic-scale thickness and a micro-nano fluidic system unit. The functional unit is capable of achieving a resolution required to detect a characteristic of individual biomolecule, and the micro-nano fluidic system unit is capable of controlling the movement and conformation of the biomolecule investigated. The functional unit comprises a first insulating layer, conducting functional layer, a second insulating layer, and a nanopore extending through the full thickness of the functional unit. The micro-nano fluidic system unit comprises a first electrophoresis electrode or micropump, a first fluidic reservoir, a second fluidic reservoir, a second electrophoresis electrode or micropump, and micro-nanometer separation channels. The nanopore connects to the micro-nanometer separation channels. Interactions between the biomolecule and conducting functional layer occur as the biomolecule translocates through the nanopore of the functional unit. | 11-21-2013 |
Ming-Sheng Xu, Hangzhou CN
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20130037410 | Nanopore Sensor Comprising A Sub-Nanometer-Thick Layer - A nanopore sensor comprises second electrophoresis electrode or micropump, second fluidic reservoir, second micro-nanometer separation channel, substrate, sub-nanometer-thick functional layer, first micro-nanometer separation channel, first electrophoresis electrode or micropump, and electrophoresis electrode or micropump that are sequentially assembled. An opening and a nanopore are provided through the substrate and the sub-nanometer-thick functional layer, respectively. A first electrode for measuring ionic current is provided in the first micro-nanometer separation channel, and a second electrode for measuring ionic current is provide in the second micro-nanometer separation channel. The present invention provides a simple method to prepare a sub-nanometer functional layer having a nanopore extending through the sub-nanometer-thick functional layer. The pore size is comparable to the spacing between two adjacent bases in a DNA strand required for single-base resolution sequencing. The shape of nanopore overcomes nucleotide conformation effect on the identification as bases translocate through the nanopore. | 02-14-2013 |
Mingxing Xu, Hangzhou CN
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20140165171 | METHOD AND APPARATUS OF ACCOUNT LOGIN - The present disclosure discloses a method and an apparatus of account login to solve the problem of low efficiency of account login in existing technologies. A client of the method captures an image of a first credential of a user, recognizes user information of the user that is included in the captured image, includes the recognized user information into a login request, and sends the login request to a server for logging into an account that corresponds to the user information. Through this method, a user does not need to input his/her username when using a client for account login, but perform the account login by directly capturing an image of a first credential using an image capturing device of the client, thus effectively improving the efficiency of account login. | 06-12-2014 |
20150304845 | VERIFICATION METHOD AND DEVICE USING A MAGNETOMETER - A method for verifying a user of a mobile device is provided. The method includes selecting a numerical value and generating a direction image based on the numerical value. The direction image may indicate a first position on the direction image and a second position on the mobile device when the direction image is initially displayed on the mobile device. The direction image may have a center point and the numerical value may correspond a central angle between the first position and the second position. The method may further include sending, to the mobile device, the direction image and a command to rotate the mobile device according to the direction image and receiving a magnetometric numerical value detected by the mobile device using a magnetometer. The method may further include determining whether to allow access of a server by the user based on the magnetometric numerical value. | 10-22-2015 |
Qiancheng Xu, Hangzhou CN
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20150048619 | MODULARIZED OCEAN ENERGY GENERATING DEVICE - This invention provides a modularized ocean energy generating device including an outer frame, at least four inner frames, and at least four hydraulic generator modules. The at least four inner frames are detachably disposed in the outer frame. The at least four hydraulic generator modules are disposed in the at least four inner frames, respectively. The modularized ocean energy generating device in the invention includes at least four built-in modules, and the hydraulic generator modules can be distributed in an array. By the detachable inner frames and the outer frame, modularized assembly and installation can be realized, thereby greatly reducing preserving and installing costs. | 02-19-2015 |
Qinghua Xu, Hangzhou CN
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20130072399 | METHOD AND KIT FOR DISCRIMINATING BETWEEN BREAST CANCER AND BENIGN BREAST DISEASE - A method and kit are related to discriminating between breast cancer and benign breast disease by the determination of the expression level of at least one target gene including a nucleic acid sequence selected from the nucleic acid sequences set forth in SEQ ID NOs: 1, 2 or 3, 4 and 5 or 6 to obtain an expression profile for the patient, and the comparison of the expression profile of the patient with expression profiles of target genes from patients previously clinically classified as breast cancer and expression profiles of target genes from patients previously clinically classified as benign breast disease. | 03-21-2013 |
20130072401 | METHOD AND KIT FOR THE PROGNOSIS OF COLORECTAL CANCER - A method and kit for the prognosis of colorectal cancer where the method includes the steps of: a) obtaining a peripheral blood sample and extracting total RNA from the sample, b) contacting the total RNA with at least one reagent specific for at least one NK cell gene and no more than 25 specific reagents for 25 NK cell genes, c) determining the expression level of at least one and at most 25 NK cell genes to obtain an expression profile for the patient, d) analyzing the expression profile with expression profiles previously clinically classified as a good prognosis and as a poor prognosis, wherein if the expression profile is clustered with the poor prognosis profiles, then the patient is determined to have a poor prognosis, and if the expression profile is clustered with the good prognosis profiles, then the patient is determined to have a good prognosis. | 03-21-2013 |
Rongzhen Xu, Hangzhou CN
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20130131153 | CULLIN 5 AS A REGULATOR OF HSP90 CLIENTS: A NEW TARGET FOR DRUG DEVELOPMENT - Cullin5 (Cul5) E3 ubiquitin ligase is shown to be linked with the heat shock protein 90 (Hsp90) chaperone complex. Hsp90 participates in the folding of its client proteins into their functional conformation. Many Hsp90 clients have been reported to be aberrantly expressed in a number of cancers. Cul5 is shown to interact with members of the Hsp90 chaperone complex as well as the Hsp90 client, ErbB2, Cul5 is recruited to the site of ErbB2 at the plasma membrane and subsequent induction of polyubiquitination and proteasomal degradation. Cul5 is also involved in the regulation of another Hsp90 client, Hif-1α Cul5 degradation of ErbB2 occurs independently of ElonginB-ElonginC function. The involvement of Cul5 in Hsp90 client regulation has implications in the effectiveness of Hsp90 targeted chemotherapy, which is currently undergoing clinical trials. The link between Cul5 and Hsp90 client regulation may represent an avenue for cancer drug development. | 05-23-2013 |
20130158068 | DICARBOXIMIDE DERIVATIVES OF BERBAMINE, THE PREPARATION AND USE THEREOF - The present invention relates to a novel dicarboximide derivative of berbamine represented by formula I, including, but not limited to, a phthalimide derivative of berbamine and an aromatic heterocyclic dicarboximide derivative of berbamine, or a pharmaceutically acceptable salt thereof, to a process for preparation of the same, to a pharmaceutical composition comprising said compound and to use thereof in manufacture of an antitumor medicament. | 06-20-2013 |
20130178470 | HETEROCYCLIC AMINOBERBAMINE DERIVATIVES, THE PREPARATION PROCESS AND USE THEREOF - The present invention relates to a novel berbamine derivative of formula I or a pharmaceutically acceptable salt thereof, a process for preparation of the same, a pharmaceutical composition comprising said compound and its use in manufacture of an antitumor medicament. | 07-11-2013 |
20140155423 | BERBAMINE DERIVATIVES - The invention provides novel berbamine derivatives, and compositions or pharmaceutical compositions thereof. These berbamine derivatives have shown higher potency in killing cancer/tumor cells comparing to berbamine, and can be used in cancer/tumor treatments. | 06-05-2014 |
20140206669 | AMINATED DERIVATIVE OF HOMOHARRINGTONINE, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF - The present invention belongs to the field of natural medicine and pharmaceutical chemistry and specifically relates to novel aminated homoharringtonine derivatives of formula (I) and a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. | 07-24-2014 |
20140364490 | 1-OXO/ACYLATION-14-ACYLATED ORIDONIN DERIVATIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF - The present invention relates to the fields of natural medicine and medicinal chemistry, and more particularly to a 1-oxo/acylated-14-acylated oridonin derivative of a general formula (I) or a pharmaceutically acceptable salt thereof, a method for preparing the compounds, a pharmaceutical composition comprising the compounds, and application thereof in preparation of antitumor drugs. | 12-11-2014 |
Shaohong Xu, Hangzhou CN
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20150126667 | BLOCK COPOLYMER COMPRISING A BLOCK WITH GLASS TRANSITION TEMPERATURE HIGHER THAN 100.degree.C AND METHOD FOR PREPARING THE SAME - The present invention discloses a block copolymer comprising a block with glass transition temperature higher than 100° C. and a method for preparing the same. In the method, latex of a block copolymer is prepared by taking n-butyl acrylate as a soft block, random copolymer of styrene and γ-methyl-α-methylene-γ-butyrolactone as a hard block, utilizing emulsion polymerization system and reversible addition fragmentation chain transfer radical polymerization technology. The method utilizes an amphiphilic macromolecule reversible addition fragmentation chain transfer agent has dual function of both chain transfer agent and emulsifier, thus can achieve good control of monomer polymerization and avoid the use of traditional emulsifier; the reaction has no polymerization inhibition period, has fast reaction rate and high final conversion; colloidal particles can stably grow; product has a hard block with glass transition temperature up to 155° C., and thus has a good application prospect in the field of high heat resistance thermoplastic elastomer. | 05-07-2015 |
Shaojun Xu, Hangzhou CN
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20080300392 | Novel chlorination process for preparing sucralose - A process for preparing a sucralose-6-ester, a key intermediate to sucralose. The process contains (a) creating a heterogeneous mixture comprising a first phase comprising a sucrose-6-ester and a second phase comprising a chlorinating reagent; and (b) reacting the sucrose-6-ester with the chlorinating reagent, to prepare a sucralose-6-ester. In addition, processes for preparing sucralose from sucrose-6-esters are provided. | 12-04-2008 |
20080300401 | Novel chlorination process for preparing sucralose - A process for preparing a sucralose-6-ester, a key intermediate to sucralose. The process contains (a) creating a heterogeneous mixture comprising a first phase comprising a sucrose-6-ester and a second phase comprising a chlorinating reagent; and (b) reacting the sucrose-6-ester with the chlorinating reagent, to prepare a sucralose-6-ester. In addition, processes for preparing sucralose are provided. | 12-04-2008 |
20090076261 | Novel process for preparing sucrose-6-esters - A process for preparing a sucrose-6-ester, a key intermediate to sucralose. The process contains (a) reacting sucrose with a di(hydrocarbyl)tin oxide or a 1,3-diacyloxy-1,1,3,3-tetra(hydrocarbyl)distannoxane in the presence of a secondary alcohol and an organic polar aprotic solvent, to prepare a mixture comprising 1,3-di-(6-O-sucrose)-1,1,3,3-tetra(hydrocarbyl)distannoxane and the secondary alcohol; and (b) adding an acylating agent to the mixture, thereby acylating the 1,3-di-(6-O-sucrose)-1,1,3,3-tetra(hydrocarbyl)distannoxane to prepare a sucrose-6-ester. | 03-19-2009 |
Tianjia Xu, Hangzhou CN
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20100021575 | HYPOLIPIDEMIC COMPOSITION AND ITS USE - The present invention provides a hypolipidemic composition comprising peony extract and | 01-28-2010 |
Wanhong Xu, Hangzhou CN
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20130190320 | HETEROCYCLIC COMPOUNDS AND USES AS ANTICANCER AGENTS - The present disclosure provides pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways. | 07-25-2013 |
Weiguo Xu, Hangzhou CN
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20110257440 | METHOD OF PRODUCING FLUOROMETHYL 1,1,1,3,3,3-HEXAFLUOROISOPROPYL ETHER - The present invention provides a preparation method of fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether by reacting CH | 10-20-2011 |
Xiangyong Xu, Hangzhou CN
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20120275199 | SWITCH-MODE POWER SUPPLY CONTROLLER AND ASSOCIATED METHOD - One embodiment of the present invention discloses a switch-mode power supply controller and associated method. In an embodiment, the controller comprises an on-time controller, an off-time controller, a switch control signal generator, and a jittering signal generator, wherein the jittering signal generator couples jitter into the on-time or the off-time of a primary switch of the power supply. Therefore the EMI performance may be improved. | 11-01-2012 |
Xiaoming Xu, Hangzhou CN
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20140306027 | SHOWERHEAD OF A MOCVD REACTOR WITH LARGE DIAMETER - The present invention intends to provide a shower of a large diameter MOCVD reactor, and the difficulty for manufacturing the shower does not obviously increase when its size increases. The shower of a large diameter MOCVD reactor of the present invention comprises III group chamber, V group chamber and a cooling water chamber, and it is characterized in that, III group chamber, V group chamber and cooling water chamber are all separated as N chambers, wherein N is a natural number greater than or equal to 2 and each chamber is an individual unity. | 10-16-2014 |
Xiaoru Xu, Hangzhou CN
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20120242237 | SCR DIMMING CIRCUIT AND METHOD - The present invention relates to a silicon-controlled rectifier (SCR) dimming circuit and method for regulating the luminance of a light-emitting diode (LED) load. In one embodiment, an SCR dimming circuit can include: an SCR rectifying circuit having an SCR element that receives an AC power supply, and generates a lack-phase AC voltage; a rectifier bridge that converts the lack-phase AC voltage to a lack-phase DC voltage, where the lack-phase DC voltage is filtered through a filter capacitor to generate a smooth DC voltage; a conduction phase angle signal generator that receives the lack-phase DC voltage and generates a controlling signal indicating a conduction phase angle range of the SCR element; and a dimming signal generator that compares the controlling signal and a slope reference signal to output a dimming signal to control the luminance of the LED load. | 09-27-2012 |
20120256553 | SCR DIMMING CIRCUIT AND METHOD - The present invention relates to an SCR dimming circuit and method for regulating the luminance of an LED load. In one embodiment, an SCR dimming circuit can include: an SCR element that generates a lack-phase AC voltage based on a sinusoidal AC supply; a rectifier bridge that generates a lack-phase DC voltage based on the lack-phase AC voltage; a conduction angle generator that receives the lack-phase DC voltage, and generates a controlling signal representative of a conduction angle of the SCR element; and a dimming signal generator that generates a dimming signal to regulate luminance of the LED load, where the dimming signal generator receives the controlling signal, an adjustable signal, and a clamping voltage, an amplitude of a dimming phase angle range is selected by a fixed signal determined by the clamping voltage, and the dimming phase angle range may be shifted by regulating the adjustable signal. | 10-11-2012 |
20120281448 | POWER FACTOR CORRECTION CIRCUIT - The present invention relates to a power factor correction circuit, that can include: an inductor current detector that generates a sampling voltage signal, and sinusoidal half-wave current and voltage signals based on the sampling voltage signal; a mediate signal generator generating slope voltage and clock signals in response to the sinusoidal half-wave voltage signal, where a frequency of each varies with the sinusoidal half-wave voltage signal; a current modulation circuit receiving the sinusoidal half-wave current signal and a voltage feedback signal representative of a power stage output voltage to generate a regulation signal that is compared against the slope voltage signal to generate a modulation signal; and a logic/driving circuit receiving the modulation and clock signals, and generating a controlling signal that controls a power switch with variable frequency to maintain the inductor current in phase with the sinusoidal half-wave voltage signal and the power stage output voltage constant. | 11-08-2012 |
20130223108 | CONSTANT VOLTAGE CONSTANT CURRENT CONTROLLER AND CONTROL METHOD THEREOF - The present invention relates to a constant voltage constant current (CVCC) controller, and associated control methods. In one embodiment, a CVCC controller for a flyback converter can include: (i) a current controller configured to generate an error signal by comparing an output current feedback signal against a reference current; (ii) a voltage controller configured to receive an output voltage feedback signal and a reference voltage, and to generate a control signal; (iii) a selector configured to control the flyback converter to operate in a first or a second operation mode based on the control signal, and to further generate a constant voltage or a constant current control signal based on the error signal; and (iv) a pulse-width modulation (PWM) controller configured to generate a PWM control signal to control a main switch, and to maintain the output voltage and/or current of the flyback converter as substantially constant. | 08-29-2013 |
20130250629 | CONSTANT VOLTAGE CONSTANT CURRENT CONTROL CIRCUITS AND METHODS WITH IMPROVED LOAD REGULATION - The present invention discloses CVCC circuits and methods with improved load regulation for an SMPS. In one embodiment, the CVCC can include: a voltage feedback circuit to generate an output voltage feedback signal; a current feedback circuit to generate an output current feedback signal; a control signal generating circuit that receives the output voltage feedback signal and the output current feedback signal, and generates a constant voltage/constant current control signal; a first enable signal generating circuit that compares a first reference voltage and the constant voltage/constant current control signal to generate a first enable signal; and a PWM controller that generates a PWM control signal based on the constant voltage/constant current control signal to control a main switch of the flyback SMPS. | 09-26-2013 |
20130342243 | POWER SWITCH DRIVING CIRCUITS AND POWER CONVERTERS THEREOF - In one embodiment, a power switch driving circuit can include: (i) an upper switch having a first power terminal coupled to a voltage source, and a second power terminal coupled to a driving signal; (ii) a lower switch having a first power terminal coupled to the driving signal, and a second power terminal coupled to a first voltage level, where the first voltage level is higher than a first ground potential; (iii) an upper switch driving sub circuit configured to receive a control signal, and to drive the upper switch in response thereto; and (iii) a lower switch driving sub circuit configured to receive the control signal, and to drive the lower switch in response thereto, where the upper and lower switch driving sub circuits are coupled to a second ground potential. | 12-26-2013 |
20140062325 | SCR DIMMING CIRCUIT AND METHOD - The present invention relates to a silicon-controlled rectifier (SCR) dimming circuit and method for regulating the luminance of a light-emitting diode (LED) load. In one embodiment, an SCR dimming circuit can include: an SCR rectifying circuit having an SCR element that receives an AC power supply, and generates a lack-phase AC voltage; a rectifier bridge that converts the lack-phase AC voltage to a lack-phase DC voltage, where the lack-phase DC voltage is filtered through a filter capacitor to generate a smooth DC voltage; a conduction phase angle signal generator that receives the lack-phase DC voltage and generates a controlling signal indicating a conduction phase angle range of the SCR element; and a dimming signal generator that compares the controlling signal and a slope reference signal to output a dimming signal to control the luminance of the LED load. | 03-06-2014 |
20140103895 | COMPENSATION CIRCUIT AND SWITCHING POWER SUPPLY THEREOF - Disclosed are compensation circuits for a switching power supply. In one embodiment, a compensation circuit can include: (i) a transconductance amplifier configured to receive a reference signal and a feedback signal, and to generate an amplifier output signal according to a difference between the reference signal and the feedback signal; (ii) a switching circuit configured to receive the amplifier output signal, where the switching circuit is controllable by a control signal from a switch control circuit; and (iii) a charging circuit coupled to the switching circuit, where the charging circuit is configured to be charged by the amplifier output signal in response to the control signal, and to generate a compensation signal therefrom. | 04-17-2014 |
20140132176 | HIGH-PRECISION LED CONTROL CIRCUIT, METHOD AND LED DRIVER THEREOF - In one embodiment, a light-emitting diode (LED) driver can include: (i) a reference voltage control circuit configured to provide a reference voltage signal in response to an enable signal; (ii) a current control circuit configured to control an output current of the LED driver in response to the reference voltage signal; and (iii) the LED driver being configured to drive an LED load when the enable signal is active. | 05-15-2014 |
20140198540 | INTEGRATED SWITCH MODE POWER SUPPLY CONTROLLER AND SWITCH MODE POWER SUPPLY USING THE SAME - In one embodiment, an integrated switch mode power supply controller can include: a multiplexing pin that receives a detection voltage signal; a switch mode power supply that receives a DC input voltage, and operates in a switching cycle having first, second, and third time intervals; during the first time interval, the detection voltage signal is proportional to the DC input voltage, and a current compensation signal is generated according to the detection voltage signal to obtain a peak inductor current; during the second time interval, the detection voltage signal is proportional to an output voltage of the switch mode power supply, and a discharging duration of current through the inductor is determined based on the detection voltage signal; and during the third time interval, the detection voltage signal is proportional to a voltage across a power transistor of the switch mode power supply. | 07-17-2014 |
20140239835 | SCR DIMMING CIRCUIT AND METHOD - The present invention relates to an SCR dimming circuit and method for regulating the luminance of an LED load. In one embodiment, an SCR dimming circuit can include: an SCR element that generates a lack-phase AC voltage based on a sinusoidal AC supply; a rectifier bridge that generates a lack-phase DC voltage based on the lack-phase AC voltage; a conduction angle generator that receives the lack-phase DC voltage, and generates a controlling signal representative of a conduction angle of the SCR element; and a dimming signal generator that generates a dimming signal to regulate luminance of the LED load, where the dimming signal generator receives the controlling signal, an adjustable signal, and a clamping voltage, an amplitude of a dimming phase angle range is selected by a fixed signal determined by the clamping voltage, and the dimming phase angle range may be shifted by regulating the adjustable signal. | 08-28-2014 |
20140253098 | VOLTAGE PEAK DETECTION CIRCUIT AND DETECTION METHOD - In one embodiment, a voltage peak detection circuit can include: (i) a voltage coupling circuit configured to inductively couple an input inductor voltage of a switching power supply, and to generate a first voltage that represents a DC input voltage of the switching power supply; (ii) a voltage conversion circuit configured to receive the first voltage, and to generate a second voltage that is proportional to the first voltage; and (iii) a holding circuit configured to hold a peak of the second voltage to generate a peak voltage signal that represents peak information of the DC input voltage. | 09-11-2014 |
20140286058 | UNDERVOLTAGE PROTECTION CIRCUIT, UNDERVOLTAGE PROTECTION METHOD AND SWITCHING POWER SUPPLY - In one embodiment, an undervoltage protection circuit for a switching power supply can include: (i) an undervoltage detection circuit that determines whether an input voltage of the switching power supply is in an undervoltage state; (ii) a selection circuit configured to select a first or a second control signal to be provided as a main control signal to a control circuit; (iii) the control circuit being configured, in response to the main control signal being the first control signal, to control a switching operation of a power transistor in the switching power supply such that an output voltage of the switching power supply is maintained as substantially stable; and (iv) the control circuit being configured, in response to the main control signal being the second control signal, to control the switching operation of the power transistor to reduce an input power of the switching power supply. | 09-25-2014 |
20140307485 | TRANSMISSION VOLTAGE LOSS COMPENSATION CIRCUIT, COMPENSATION METHOD, CONTROLLING CHIP AND SWITCHING POWER SUPPLY - In one embodiment, a method of compensating for transmission voltage loss from a switching power supply, can include: (i) receiving a sampling signal that represents an output current of the switching power supply; (ii) delaying the sampling signal to generate a delayed sampling signal; (iii) converting the delayed sampling signal to generate a compensation signal; and (iv) regulating an output voltage of the switching power supply based on the compensation signal to compensate for the transmission voltage loss from the output voltage transmission to a load such that a voltage at the load is maintained as substantially consistent with an expected voltage at the load. | 10-16-2014 |
20140307486 | CAPACITOR DISCHARGING METHOD AND DISCHARGING CIRCUIT THEREOF - In one embodiment, a method of controlling a capacitor discharge for a switching power supply, can include: (i) generating a first voltage signal from a voltage at an X capacitor that is coupled between input terminals of the switching power supply; (ii) activating a detection signal in response to the first voltage signal being inactive for a duration of a predetermined time interval, where the detection signal being activated indicates a cut-off of the input terminals; and (iii) at least partially discharging the X capacitor after the cut-off and in response to activation of the detection signal. | 10-16-2014 |
20140313786 | CONTROLLING CIRCUIT AND AC/DC CONVERTER THEREOF - In one embodiment, a controlling circuit configured for an AC/DC converter that receives an AC voltage supply, can include: (i) a compensation signal generator configured to generate a compensation signal that follows an error between an output signal from the AC/DC converter and an expected converter output signal during a first time interval of a half period of the AC voltage supply, the compensation signal being substantially constant during a remaining time interval of the half period; and (ii) a controlling signal generator configured to generate a controlling signal based on the compensation signal to maintain the output signal as substantially consistent with the expected converter output signal. | 10-23-2014 |
20140340946 | POWER SWITCH DRIVING CIRCUITS AND POWER CONVERTERS THEREOF - In one embodiment, a power switch driving circuit can include: (i) an upper switch having a first power terminal coupled to a voltage source, and a second power terminal coupled to a driving signal; (ii) a lower switch having a first power terminal coupled to the driving signal, and a second power terminal coupled to a first voltage level, where the first voltage level is higher than a first ground potential; (iii) an upper switch driving sub circuit configured to receive a control signal, and to drive the upper switch in response thereto; and (iii) a lower switch driving sub circuit configured to receive the control signal, and to drive the lower switch in response thereto, where the upper and lower switch driving sub circuits are coupled to a second ground potential. | 11-20-2014 |
20150055383 | CONSTANT VOLTAGE CONSTANT CURRENT CONTROLLER AND CONTROL METHOD THEREOF - The present invention relates to a constant voltage constant current (CVCC) controller, and associated control methods. In one embodiment, a CVCC controller for a flyback converter can include: (i) a current controller configured to generate an error signal by comparing an output current feedback signal against a reference current; (ii) a voltage controller configured to receive an output voltage feedback signal and a reference voltage, and to generate a control signal; (iii) a selector configured to control the flyback converter to operate in a first or a second operation mode based on the control signal, and to further generate a constant voltage or a constant current control signal based on the error signal; and (iv) a pulse-width modulation (PWM) controller configured to generate a PWM control signal to control a main switch, and to maintain the output voltage and/or current of the flyback converter as substantially constant. | 02-26-2015 |
20150062979 | CONSTANT VOLTAGE CONSTANT CURRENT CONTROL CIRCUITS AND METHODS WITH IMPROVED LOAD REGULATION - The present invention discloses CVCC circuits and methods with improved load regulation for an SMPS. In one embodiment, the CVCC can include: a voltage feedback circuit to generate an output voltage feedback signal; a current feedback circuit to generate an output current feedback signal; a control signal generating circuit that receives the output voltage feedback signal and the output current feedback signal, and generates a constant voltage/constant current control signal; a first enable signal generating circuit that compares a first reference voltage and the constant voltage/constant current control signal to generate a first enable signal; and a PWM controller that generates a PWM control signal based on the constant voltage/constant current control signal to control a main switch of the flyback SMPS. | 03-05-2015 |
20150109835 | OUTPUT OVERVOLTAGE PROTECTION METHOD AND CIRCUIT FOR SWITCHING POWER SUPPLY AND SWITCHING POWER SUPPLY THEREOF - In one embodiment, an output overvoltage protection method for a switching power supply, can include: (i) charging a first capacitor by a first current during a first time interval of a switching period of the switching power supply; (ii) charging a second capacitor by a second current during a second time interval of the switching period of the switching power supply; and (iii) generating an overvoltage protection signal by comparing a first voltage across the first capacitor against a second voltage across the second capacitor at the end of the second time interval, where the overvoltage protection signal is active when the first voltage is at least as high as the second voltage. | 04-23-2015 |
20150207417 | CONTROL METHOD AND CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY - In one embodiment, a method of controlling a switching power supply, can include: (i) generating a driving current signal that follows a waveform of a sense voltage signal, where the sense voltage signal is related to a current through a collector of a transistor that is configured as a power switch of the switching power supply, where the collector is coupled to an inductive element of the switching power supply; (ii) providing the driving current signal to a base of the transistor, where the transistor is in a saturated conduction state when a pulse-width modulation (PWM) signal is active; and (iii) releasing charge accumulated on the base when the PWM signal is inactive to turn off the transistor. | 07-23-2015 |
20150214829 | ZERO-CROSSING DETECTION CIRCUIT - In one embodiment, a zero-crossing detection circuit can include: (i) a first detection circuit configured to detect a current through a main transistor of a main circuit of a switching power supply, and to generate a voltage sense signal that represents the current through the main transistor; (ii) a second detection circuit configured to detect if quasi-resonance occurs in the main circuit, the second detection circuit being configured to generate at least one pulse signal when the quasi-resonance is detected; and (iii) a control circuit configured to receive the at least one pulse signal and the voltage sense signal, to turn the main transistor off when the current through the main transistor reaches a predetermined value, and to turn the main transistor on when the at least one pulse signal is active. | 07-30-2015 |
20150245434 | INDUCTOR CURRENT DETECTION CIRCUIT AND LED DRIVER - The present invention pertains to an inductor current detection circuit in a switching mode power supply, and a light-emitting diode (LED) driver thereof. In one embodiment, an inductor current detection circuit configured in a switching mode power supply under discontinuous conduction mode, can include: (i) a voltage detection circuit configured to generate a sampling voltage based on a drain-source voltage of a power switch in the switching mode power supply; (ii) a voltage holding circuit configured to receive the sampling voltage, and to generate a holding voltage through a sampling and holding operation; and (iii) a comparison circuit configured to compare the sampling voltage against the holding voltage, and to generate a zero-crossing signal when the sampling voltage is less than the holding voltage, where the zero-crossing signal is configured to represent an inductor current ending time of the switching mode power supply. | 08-27-2015 |
20150382418 | HIGH-PRECISION LED CONTROL CIRCUIT, METHOD AND LED DRIVER THEREOF - In one embodiment, a light-emitting diode (LED) driver can include: (i) a reference voltage control circuit configured to provide a reference voltage signal in response to an enable signal; (ii) a current control circuit configured to control an output current of the LED driver in response to the reference voltage signal; and (iii) the LED driver being configured to drive an LED load when the enable signal is active. | 12-31-2015 |
20160072378 | ACTIVE POWER FACTOR CORRECTION CONTROL CIRCUIT, CHIP AND LED DRIVING CIRCUIT THEREOF - In one embodiment, an active power factor correction (APFC) control circuit, configured to generate a pulse-width modulation (PWM) control signal to control the operation of a power converter, can include: (i) an inductor current zero crossing detection circuit coupled to a common node between a power switch of the power converter and a first switch that are coupled in series, where the inductor current zero crossing detection circuit is configured to generate a comparison signal based on a voltage signal at the common node; (ii) the comparison signal being activated when an inductor current of the power converter decreases to zero; and (iii) the APFC control circuit being configured as a source driver, wherein a control terminal of the power switch is coupled to a constant voltage supply. | 03-10-2016 |
Xiaoyang Xu, Hangzhou CN
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20150226496 | FIN OF HEAT EXCHANGER AND HEAT EXCHANGER - A heat exchanger and fins thereof are provided. The fin includes a plurality of first fin units and a plurality of second fin units which are arranged in parallel and alternately, and each first fin unit includes a first louver facing an inflow direction of fluid, and each second fin unit includes a second louver facing the inflow direction of the fluid, the first louver and the second louver are arranged in parallel, and the first louver and the second louver are staggered in the inflow direction of the fluid to form a first space between the first louver and the second louver, and at least one of first louvers or at least one of second louvers has a varied width. | 08-13-2015 |
Xinyue Xu, Hangzhou CN
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20120177802 | GREEN MILK - This invention involves in the field of food and beverage and provides green milk comprising whole milk or fermented milk and 0.1-20% by weight of natural phytonutrients or components from herbal cuisine. This invention provides green milk that has balanced nutrients and is easily digested and absorbed by children and seniors. The green milk facilitates the absorption of proteins, vitamins, mineral substances, enzymes, and natural chlorophyll, and provides necessary nutrients that may not be obtained from other daily diet. Statistics show that the green milk is of high nutrition value and the absorbed dose of proteins, vitamins, and mineral substances in green milk is increased by 12.5%˜35.7% comparing to milk only. | 07-12-2012 |
20120177803 | METHOD OF PREPARING GREEN MILK POWDER - The invention relates to a method for processing and preparing a green milk powder, comprising the following steps: a. pretreatment: cutting a plant from the position 2-5 cm away from the ground when the tender plant grows to 25-45 cm, washing by tap water to remove soil and impurities on the surface thereof, washing by fresh water after ozone bacteria-killing at room temperature, washing by deionized water, and crushing the tender plant; b. filtering: juicing the obtained crushed tender plant, filtering and taking juice; c. mixing: evenly mixing the juice with raw milk proportionally to prepare into homogenized liquid; d. concentrating: evaporating and concentrating the obtained homogenized liquid by an evaporator to prepare concentrated solution; and e. drying: drying the concentrated solution to prepare into green milk powder. The invention has simple process flow and the processing procedure does not damage thermo-sensitive substances such as vitamin C, chlorophyll, SOD and the like in tender plant. | 07-12-2012 |
Xufeng Xu, Hangzhou CN
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20100258243 | METHOD OF MANUFACTURING LAMINATED BAMBOO SLIVER LUMBER - A method of manufacturing laminated bamboo sliver lumber, comprising steps of: selecting and using the bamboo outer slivers obtained from a bamboo and having an air dry density no less than about 0.95 g/cm | 10-14-2010 |
20110027529 | BAMBOO SCRIMBER AND MANUFACTURING METHOD THEREOF - A bamboo scrimber includes a plurality of pressure-pressed bamboo strips impregnated with an adhesive and modified through heat-treatment. Each of the bamboo strips is formed with a plurality of slots penetrating through the bamboo strip substantially in a direction of thickness defined by the bamboo strip. A substantially longitudinal direction defined by the slots is substantially consistent with a substantially longitudinal direction defined by fibers of the bamboo strip. | 02-03-2011 |
Ye Xu, Hangzhou CN
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20150280971 | MODULE, SYSTEM AND METHOD OF SWITCHING MODULES - A module has switchable operation states. A first switching unit switches the module between a first operation state and a second operation state. A first interface switches between sending signals to another module which has switchable operation states and receiving signals from the other module. The first interface sends a first signal to the other module when the module is in the first operation state, sends a second signal to the other module when the module is to be switched into the second operation state, and receives signals from the other module when the module is in the second operation state. A second interface communicates with the other module. When the second interface receives a response of the other module to the second signal, the first switching unit switches the module into the second operation state. The reliability of module switching is improved in an embodiment. | 10-01-2015 |
20150295817 | REDUNDANCY DEVICE UNIT AND METHOD FOR DETERMINING FAULT IN INDUSTRIAL CONTROL SYSTEM, INDUSTRIAL CONTROL SYSTEM AND INDUSTRIAL SYSTEM COMPRISING REDUNDANCY DEVICE UNIT - A redundant device unit includes a first device connected with a field device via a first link and a second link in series. The first device, initially active in use, when active sends diagnostic information indicating whether there is a fault in the first link and/or the second link. A second device connected with the field device via the second link and a third link in series, initially passive in use, receives the first diagnostic information from the first device. When the first diagnostic information indicates that there is a fault in the first link and/or the second link, the first device switches to passive and the second device switches to active and generates second diagnostic information indicating whether there is a fault in the second link and/or the third link. A determination regarding the fault is made based on the first and second diagnostic information. | 10-15-2015 |
Yejian Xu, Hangzhou CN
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20120303949 | PACKET TRANSMISSION METHOD, APPARATUS, AND NETWORK SYSTEM - Embodiment of the present invention provides a packet transmission method. The method includes: receiving an encrypted packet sent by a client by using a virtual private network (VPN) tunnel, wherein the encrypted packet is sent by the client after the client determines, according to a preset control policy, that the control policy comprises an Internet Protocol (IP) address and a port number that are the same as a destination IP address and a destination port number of a packet to be sent and encrypts the packet to be sent, and the control policy comprises information about an IP address and a port number of an intranet server that can exchange a packet with a security socket layer protocol (SSL) VPN server; decrypting the encrypted packet; and sending the decrypted packet to a corresponding intranet server, wherein a source IP address of the decrypted packet is an external network IP address. | 11-29-2012 |
Yinghui Xu, Hangzhou CN
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20150161139 | DATA SEARCH PROCESSING - A search request sent by a user is received to obtain one or more query words included in the search request. Historical operating information relating to a data object in a search result corresponding to the query words is conducted statistics. An attribute of the data object is selected as a specified attribute to generate a probability distribution model of the attribute value on the specified attribute of the data object. A respective probability corresponding to the attribute value of each data object on the specific attribute in the research result corresponding to the search request sent by the current user is calculated by using the probability distribution model. The output rank of the data objects in the search result is adjusted by using the probability. The present techniques improve reasonability of displaying the data objects in the search result and provide more accurate result. | 06-11-2015 |
Yonglin Xu, Hangzhou CN
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20130299306 | FULLY-AUTOMATIC VERIFICATION SYSTEM FOR INTELLIGENT ELECTRIC ENERGY METERS - A fully-automatic verification system for intelligent electric energy meters comprises a plurality of verification units for automatic verification of the electric energy meters, main transport lines for connecting the verification units, and a verification management system for coordinating the work of the verification units. The main transport lines comprise upper transport lines for transporting boxes carrying electric energy meters to be verified to the verification units and lower transport lines for transporting the boxes carrying the electric energy meters back to the warehouse. The verification system for electric energy meters can implement fully-automatic verification, thus enhancing the efficiency and the verification accuracy. | 11-14-2013 |
Yongqiang Xu, Hangzhou CN
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20150238878 | RETRACTABLE LEASH FOR A SWING CAR - A retractable leash for a swing car comprising a front cover further comprising threaded holes an opening, a back cover further comprising threaded holes an opening, a recoil spring, a rotatable guide rail in a hollow cylindrical structure, and a rope with a free end; wherein the threaded holes in the front cover and back cover correspond to each other, wherein the front cover and the back cover are conjoint by the thread holes and screws to enclose the recoil spring, rotatable guide rail, and the rope, wherein the recoil spring is disposed inside of the rotatable guide rail, wherein the recoil spring is fixedly to the back cover, wherein the opening on the front cover and the back cover correspond to each other, and the free end of the rope extends out of the openings. | 08-27-2015 |
20150367906 | POSITIONING DEVICE FOR A JOINT OF A THREE-WHEEL STROLLER - A positioning device for a joint of a three-wheel stroller comprising a decorative and protective cover, a front fork joint further comprising a limit groove on each side of the front fork joint, a main pipe joint comprising a long groove located at middle of the main pipe joint, a compression spring is sheathed in the main pipe joint, and a folder adapter, the folder adapter on the outer side of the compression spring comprising folder adapter holes on both sides of the folder adapter, wherein the front fork joint is connected to the main pipe joint through a screw shaft, wherein the front fork joint is connected with the folder adapter through a linkage, and wherein the decorative and protective cover is on the outer side of the front fork joint and the folder adapter. | 12-24-2015 |
Yuanxin Xu, Hangzhou CN
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20120263195 | TIME SYNCHRONIZATION METHOD, DEVICE AND SYSTEM - A time synchronization method includes: after sending a synchronization message to the opposite end, sending a following message where an ending time for sending the synchronization message is recorded; receiving a delay request message sent by the opposite end, and sending a delay response message where the initial time for receiving the delay request message is recorded; receiving the synchronization message and the following message, and recording the initial time for receiving the synchronization message and the ending time recorded in the following message for sending the synchronization message; sending a delay request message, and recording an ending time for sending the delay request message; receiving a delay response message, and recording an initial time recorded in the delay response message for the opposite end to receive the delay request message; calculating the time offset value between the two ends, and completing time synchronization. | 10-18-2012 |
20120263220 | METHOD, DEVICE AND SYSTEM FOR CLOCK SYNCHRONIZATION - A method, a device and a system for clock synchronization are provided. The method includes: under a first transfer mode, generating a first receiving timestamp by using a first link, and acquiring a first transmitting timestamp of a master clock device; under a second transfer mode, generating a second transmitting timestamp by using the first link, and acquiring a second receiving timestamp of the master clock device; and acquiring a time difference to the master clock device according to the first receiving timestamp, the first transmitting timestamp, the second transmitting timestamp and the second receiving timestamp, and realizing a clock synchronization with the master clock device by using the time difference. A slave clock device and a master clock device are provided in the embodiments of the present invention, as well as a system for clock synchronization. | 10-18-2012 |
Yueming Xu, Hangzhou CN
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20150107283 | REFRIGERATING CAPACITY CONTROL DEVICE, A TESTING APPARATUS AND A REFRIGERATING CONTROL METHOD USING THE DEVICE - This invention hereof discloses a refrigerating capacity control device, a test apparatus and a refrigerating control method using the device. The refrigerating capacity control device comprises a compressor ( | 04-23-2015 |
Yulin Xu, Hangzhou CN
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20100105239 | Battery connection device - The invention discloses a battery connection device comprising a connection block positioned at an electrode end of a battery; the connection block is provided with a series connection mechanism at both ends respectively, and with a parallel connection mechanism at all sides respectively; the series connection mechanism is provided inside with a conductive slice electrically connected with the electrode end of the battery; the conductive slice is further led out to a fitting face of the parallel connection mechanism; and thus the conductive slices on the two connection blocks are electrically connected when the two batteries respectively fitted with the connection block are parallel. The invention can make each unit battery connected modularly in series or parallel like a building block; the battery does not further need electrode connection by welding or battery fixing by assembling, which is convenient for operation as well as safe and reliable. | 04-29-2010 |
20150307843 | METHOD TO OBTAIN HEMATOPOIETIC STEM CELLS USING THREE-DIMENSIONAL INDUCING SYSTEM - The invention relates to a method of acquiring hematopoietic stem cells (HSCs) by means of three dimensional inducing system with high efficiency—which makes use of three-dimensional cell culture matrix or cell culture scaffolds, such as three-dimensional cell culture system which is made from hydrogel, seaweed and other materials, and/or associating stromal-cell including bone marrow cell, mouse bone marrow cell line OP9, OP9DL1 and so on, and/or associating multiple factors including mesoderm inducible factor, hematopoietic growth factor etc which can induce pluripotent stem cells to differentiate into hematopoietic stem cells. The invention sets up a new method of acquiring hemopoietic stem cells, establishing a system that induces pluripotent stem cells to differentiate into hemopoietic stem cells with high efficiency by means of utilizing dimensional inducing system and/or associating stromal-cell including bone marrow cell and/or multiple factors for the first time, which provide a theoretical basis and technology platform for acquiring clinical available hematopoietic stem cells, and expand additional methodologies and ideas in fields of disease mechanism exploring, drug screening etc for hematopoietic cells from pluripotent stem cells. | 10-29-2015 |
Ze Xu, Hangzhou CN
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20130045586 | Process Of Internal Gettering For Czochralski Silicon Wafer - An internal gettering process for a Czochralski silicon wafers comprises: (1) heating a Cz silicon wafer to 1200-1250° C. at a heating rate of 50-100° C./s under a nitrogen atmosphere, maintaining for 30-150 seconds, cooling the Cz silicon wafer to 800-1000° C. first at a cooling rate of 5-50° C./s, and then cooling the Cz silicon wafer naturally; (2) annealing the Cz silicon wafer obtained in the step (1) at 800-900° C. under an argon atmosphere for a period of 8-16 hours. The present invention only involves two heat treatment steps which require lower temperature and shorter time comparing to the conventional processes. The density of the bulk microdefects and the width of the denuded zone can be easily controlled by the temperature, duration and cooling rate of rapid thermal processing in the first step. | 02-21-2013 |
Zhan Xu, Hangzhou CN
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20140089337 | Method, Apparatus and System of Processing Correlated Keywords - The present disclosure discloses a method, an apparatus and a system of processing related keywords. The method includes: receive a primary keyword inputted by a user; form a spliced URL for requesting related keywords based on the primary keyword; establish a link between an embedded window object in a current web page and a server using the URL to obtain the related keywords from the server; the embedded window object creates a keyword list and presents the related keywords in the current web page; and obtain a related keyword selected by the user and instantaneously add the related keyword into an input box. | 03-27-2014 |
Zhen Xu, Hangzhou CN
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20150093572 | GRAPHENE FIBER AND PREPARTION METHOD THEREOF - A graphene fiber and a preparation method thereof, where the graphene fiber is a composite fiber of metal nanowire doped graphene fiber, and principal components of the composite fiber are graphene and metal nanowires, a mass ratio of metal nanowires is 0.1%-50%, the graphene is in a form of sheet, and both the metal nanowires and graphene sheets are arranged in parallel along an axial direction of the graphene fiber. The metal nanowire doped graphene fiber is a new type of a high performance multi-functional fiber material, which achieves a significant improvement in electrical conductivity of graphene fibers through doping of metal nanowires and meanwhile demonstrates excellent tensile strength and toughness. The metal nanowire doped graphene fiber has great potential application value in a plurality of fields, for example, it is used as a lightweight flexible wire. | 04-02-2015 |
Zhiguang Xu, Hangzhou CN
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20100306246 | Method and System for Managing User Information in Instant Messaging Systems - The present disclosure discloses a method for managing user information in an instant messaging system in order to address the problems of increasing system workload, increasing network overhead and deteriorated system performance in existing technologies due to frequent access of user information management server or servers when user information is searched. According to a disclosed method, an access server obtains and stores information of contacts of a logged-in user; the access server notifies user information of the logged-in user to other access servers; the access servers that receive the notification store the user information of the logged-in user upon determining that contact(s) is/are found locally therein; and when the access server needs to obtain the information of the contacts of the user, the access server performs a search either locally or in other access servers. Furthermore, a communication system is also provided. The disclosed method and system are believed to result in greatly reduced frequency of searching user information in the user information management servers, reduced workload of the user information management servers, improved performance of searching user information and reduced network overhead of the system. | 12-02-2010 |
Zhi-Kang Xu, Hangzhou CN
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20080292839 | Electrospun Apatite/Polymer Nano-Composite Scaffolds - An artificial bone composite structure is provided. This structure includes a fibrous matrix that itself includes a plurality of fibers. Also, the structure includes a plurality of hydroxyapatite (HA) particles. These particles are dispersed within the fibrous matrix. Also, the HA particles have controlled size and aspect ratios and are aligned along long axes of the fibers. In some instances, the fibers include poly-(L-lactic acid) (PLLA). | 11-27-2008 |
20110140295 | Electrospun Apatite/Polymer Nano-Composite Scaffolds - An artificial bone composite structure is provided. This structure includes a fibrous matrix that itself includes a plurality of fibers. Also, the structure includes a plurality of hydroxyapatite (HA) particles. These particles are dispersed within the fibrous matrix. Also, the HA particles have controlled size and aspect ratios and are aligned along long axes of the fibers. In some instances, the fibers include poly-(L-lactic acid) (PLLA). | 06-16-2011 |