Shaofeng
Shaofeng Ding, Santa Fe Springs, CA US
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20140179908 | Chromatography column and method for isolating nucleic acid - The present invention provides a chromatography column and a method for isolating nucleic acid molecules. In one embodiment, the present invention provides a double-layer column of a first anion exchange membrane and a second serially coupled silica membrane. Upon flowing a nucleic acid-containing solution through the first anion exchange membrane, the nucleic acid binds to and then elutes from the first membrane. The eluted solution then flows serially through the second silica membrane, which the nucleic acid binds to and then elutes from. Due to this novel serial coupled double-layer principle, the present invention is particularly suitable for co-isolating RNA and DNA, for isolating nucleic acid embraced by proteins, e.g., viruses, and for isolating diluted nucleic acid in a large volume, e.g., plasma. In addition, the eluted nucleic acid is ready for downstream applications. | 06-26-2014 |
20140186840 | Pyrophosphorolysis-activated polymerization (PAP) using ribonucleic acid (RNA) template - A new method of RNA-PAP was developed that can directly amplify RNA template without additional treatment. RNA-PAP brings in a new mechanism for amplification of RNA template in which RNA-dependent DNA pyrophosphorolysis and RNA-dependent DNA polymerization are serially coupled using 3′ blocked primers. Due to this serial coupling, RNA-PAP has high selectivity against mismatches on the RNA template, providing highly specific amplification of RNA template. In addition, mutant polymerases were genetically engineered for higher efficiency of RNA-dependent DNA pyrophosphorolysis and RNA-dependent DNA polymerization. | 07-03-2014 |
20150299678 | Pyrophosphorolysis-activated polymerization (PAP) using ribonucleic acid (RNA) template - A new method of RNA-PAP was developed that can directly amplify RNA template without additional treatment. RNA-PAP brings in a new mechanism for amplification of RNA template in which RNA-dependent DNA pyrophosphorolysis and RNA-dependent DNA polymerization are serially coupled using 3′ blocked primers. Due to this serial coupling, RNA-PAP has high selectivity against mismatches on the RNA template, providing highly specific amplification of RNA template. In addition, mutant polymerases were genetically engineered for higher efficiency of RNA-dependent DNA pyrophosphorolysis and RNA-dependent DNA polymerization. | 10-22-2015 |
Shaofeng Fu, Xi'An CN
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20140004813 | Emergency Call Processing Method and Related Apparatus and System | 01-02-2014 |
Shaofeng Liu, Shanghai CN
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20160068924 | METHOD FOR MANUFACTURING SUPERIOR 13CR TOOL COUPLER - The present invention discloses a method for manufacturing a superior 13Cr tool coupler, which method comprises the following steps: manufacturing a blank; | 03-10-2016 |
Shaofeng Ma, Shenzhen CN
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20130024876 | Universal Driving Method and Driver for Mobile Broadband Device - The present invention discloses a universal driving method and a driver of a mobile broadband device. The method includes: a WWAN server sending an OID service request to a driver; the driver sending the OID service request to a WWAN device; the WWAN device responding after parsing the OID service request, and sending a response result to the driver; the driver sending the response result to the WWAN server. The present invention is implemented by delivering the parse processing of the OID service to the WWAN device, and the driver only has a transparent transmission function, therefore the driver is universal and is able to adapt to WWAN devices in different standards; the AT module is deleted, and it's I/O function utilizes the existing reading and writing threads, thus simplifying the complex process in the existing AT module, and guaranteeing the stability and robustness of the device drivers. | 01-24-2013 |
20140366013 | Wireless communication terminal and method for securely running industry software - A wireless communication terminal and a method for securely running industry software are disclosed. Industry software and data are stored in an internal storage medium of a wireless communication terminal. A user interface (UI) of the wireless communication terminal includes a UI-customized Small Computer System Interface (SCSI) instruction processing module, and the wireless communication terminal includes a customized SCSI instruction processing module in the wireless communication terminal. The UI sends a customized SCSI instruction from the UI-customized SCSI instruction processing module to interact with the customized SCSI processing module in the wireless communication terminal, so as to load the industry software and the data into a memory of a Personal Computer (PC) to run the industry software and the data in the memory of the PC. After the data are updated, the UI sends a customized SCSI instruction to write updated software or the updated data back into the storage medium of the wireless communication terminal. The technical solution of the disclosure lowers the risk that industry software and data are tampered and stolen, and thus greatly increases security. The wireless communication terminal enables the industry software to be conveniently carried and used, which improves user experience. | 12-11-2014 |
Shaofeng Qiu, Chengdu CN
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20130114954 | Method for Generating a Probe Pulse and Coherent Optical Time Domain Reflectometer - The present invention relates to the field of communication transmission, and in particular, to a method for generating a probe pulse and a coherent optical time domain reflectometer. The coherent optical time domain reflectometer includes: a control unit, configured to generate a first pulse signal and a second pulse signal which have a same period T, where the second pulse signal lags behind the first pulse signal, and T satisfies T≧t+2L/C; a driving unit, configured to generate a frequency change driving signal according to the first pulse signal; a continuous light laser device, configured to generate, as driven by the frequency change driving signal, continuous light having a changing frequency and an unchanging frequency spectrum width; and a probe pulse generating unit, configured to modulate the continuous light according to the second pulse signal to generate a probe pulse. | 05-09-2013 |
Shaofeng Wang, Beijing CN
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20090283694 | DOUBLE-FACED ION SOURCE - Disclosed is an ion source comprising a plate-shaped source body which has radioactivity on its both sides and allows positive and negative ions to penetrate through the source body. The present invention gives beneficial effects. First, the ion source structure can improve the ionization efficiency of sample molecules, and the generated sample ions have a centralized distribution within a flat space on both sides of the source body. Such distribution of ion cloud facilitates to improve the IMS sensitivity. Meanwhile, the source body of the present invention has a transmittance in itself. Thus, positive and negative ions generated on both sides of the source body can penetrate through the source body and be separated to the both sides of the source body. In this way, it is possible to improve the utilization efficiency of ions. | 11-19-2009 |
20090309013 | Electrode structure for drift tube in ion mobility spectrometer - Disclosed is an electrode structure for a drift tube in IMS comprising a ring electrode, for each of two surfaces of the ring electrode, at least a part adjacent to the inner radius is formed into a cone, and the angles formed between the cones and the axis of the ring electrode are different from each other. The electrode structure of the present invention can alleviate, even eliminate, the accumulation of space charges in the drift tube. Such structure is particularly suitable when the electric field in the drift tube is low in strength or a great number of ions pass through. Meanwhile, the structure allows a significant decrease in the size of the outer radius of the electrode, while the inner radius remains constant. In this way, it is possible to effectively reduce the outline size of the drift tube and thus make the IMS compact. | 12-17-2009 |
Shaofeng Xu, Milan IT
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20150382211 | METHOD, APPARATUS, AND SYSTEM FOR DATA TRANSMISSION - A method, an apparatus and a system for data transmission are provided. The method includes: receiving processed first microwave data information that is received through a microwave antenna; performing multiplexing through a preset rule on the first microwave data information and processed first radio frequency data information that is received through a base station antenna, and sending multiplexed information to a baseband unit, so that the baseband unit sends the first microwave data information to a microwave indoor unit. In the method, the apparatus and the system for data transmission, microwave data information and radio frequency data information are multiplexed, and then multiplexed information is transmitted together. The microwave data information can be transmitted through a transmission medium between base station devices, such as a fiber, thereby saving connection cables between microwave transmission devices and reducing a device cost and an installation cost of the microwave transmission devices. | 12-31-2015 |
Shaofeng Xu, Xi'An CN
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20120309322 | Standing Wave Detection Method, Standing Wave Detection Apparatus and Base Station - A standing wave detection method, a standing wave detection apparatus, and a base station are disclosed. The method includes collecting, a feedback signal from a feedback path of a base station which uses a baseband multi-tone signal as a transmission signal; performing calibration on the feedback signal by using stored calibration data to obtain a reflected signal in the feedback signal; and obtaining a standing wave detection value according to the transmission signal and the reflected signal that is in the feedback signal. | 12-06-2012 |
20130077604 | METHOD, APPARATUS, AND SYSTEM FOR DATA TRANSMISSION - The present invention provides a method, an apparatus and a system for data transmission. The method includes: receiving processed first microwave data information that is received through a microwave antenna; performing multiplexing through a preset rule on the first microwave data information and processed first radio frequency data information that is received through a base station antenna, and sending multiplexed information to a baseband unit, so that the baseband unit sends the first microwave data information to a microwave indoor unit. In the method, the apparatus and the system for data transmission, microwave data information and radio frequency data information are multiplexed, and then multiplexed information is transmitted together. The microwave data information can be transmitted through a transmission medium between base station devices, such as a fiber, thereby saving connection cables between microwave transmission devices and reducing a device cost and an installation cost of the microwave transmission devices. | 03-28-2013 |
20150117572 | MICROWAVE COMMUNICATIONS DEVICE AND MICROWAVE COMMUNICATIONS SYSTEM - The present invention discloses microwave communications devices. The microwave communications device includes: a first converting module, a second converting module, configured to perform mutual conversion between a baseband signal or an intermediate frequency signal and a microwave signal, where microwave signals received or output by the first converting module and the second converting module respectively have a same polarization direction or perpendicular polarization directions; and an orthomode transducer with three waveguide ports, configured to perform separation and synthesis of orthogonally polarized microwave signals, The microwave communications devices in embodiments of the present invention can, by providing dual channels and integrating an orthomode transducer inside the microwave communications device, increase a transmission capacity while improving equipment application flexibility, reducing installation complexity, and lowering costs. | 04-30-2015 |
Shaofeng Xu, Segrate IT
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20160118702 | Filter, Communications Apparatus, and Communications System - A filter includes a top panel, a bottom panel, two first side panels located between the top panel and the bottom panel, and at least one diaphragm that has a metal surface. The two first side panels, the top panel and the bottom panel form a rectangular waveguide. The at least one diaphragm is connected to both the top panel and the bottom panel and separates a cavity of the rectangular waveguide into several cavity chambers that extend along an input/output direction of the rectangular waveguide. At least one of the first side panels is an adjustable side panel whose position relative to the diaphragm is adjustable. | 04-28-2016 |
Shaofeng Yu, Shanghai CN
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20140015064 | CMOS DEVICES AND FABRICATION METHOD - A method is provided for fabricating a CMOS device. The method includes providing a semiconductor substrate having a first active region and a second active region. The method also includes forming a first trench on the first active region using a first barrier layer and a second substitute gate electrode layer to protect a gate region on the second active region, followed by forming a first work function layer and a first metal gate in the first trench. Further, the method includes forming a second trench on the second active region using a second barrier layer to protect the first metal gate structure, followed by forming a second work function layer and a second metal gate in the second trench. | 01-16-2014 |
20150279933 | FIN-TYPE FIELD EFFECT TRANSISTOR AND MANUFACTURING METHOD THEREOF - A fin-type field effect transistor includes a semiconductor body formed on a substrate, the semiconductor body having a top surface and a pair of laterally opposite sidewalls, and a gate electrode formed above the sidewalls and the top surface of the semiconductor body. The semiconductor body further includes a source region formed on an end portion of the semiconductor body, a drain region formed on another end portion of the semiconductor body, and a channel region formed between the source region and the drain region and surrounded by the gate electrode, wherein a doping concentration of the channel region decreases with increasing distance from the top surface and the sidewalls. | 10-01-2015 |
20150311125 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a semiconductor CMOS device is provided. The method includes providing a semiconductor substrate, forming a first fin in a PMOS region and a second fin in an NMOS region of the semiconductor substrate, forming shallow trench isolation structures on the semiconductor substrate on opposite sides of the first and second fins, and performing ion implantation so as to implant germanium atoms into the first fin to form a silicon-germanium layer in the PMOS region. The silicon-germanium layer is used to adjust a work function of the PMOS region. The method further includes forming a stack structure in the PMOS region and the NMOS region, whereby the stack structure comprises a work function layer and a metal gate. | 10-29-2015 |
20150311201 | FIN-TYPE FIELD EFFECT TRANSISTOR AND MANUFACTURING METHOD THEREOF - A method of manufacturing a fin-type field effect transistor includes sequentially forming a first mask and a second mask on a semiconductor substrate; patterning the second mask; forming and patterning a third mask on the second mask in accordance with a fin pattern of the fin-type field effect transistor; etching the semiconductor substrate, the first mask, and the second mask through the third mask, wherein portions of the first and second masks are removed and a first trench is formed in the semiconductor substrate; removing the third mask; etching the first mask through the second mask and removing the second mask; etching the semiconductor substrate through the first mask to form a plurality of fins and a second trench disposed between adjacent fins, wherein etching the semiconductor substrate further deepens the first trench such that a depth of the first trench is greater than a depth of the second trench. | 10-29-2015 |
Shaofeng Yu, Chen Zhou City CN
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20150373860 | ELECTRIC CONNECTOR, PLUG-IN MODULE THEREOF AND METHOD FOR MANUFACTURING PLUG-IN MODULE - An electric connector, a plug-in module thereof and a production method of the plug-in module are provided. The plug-in module comprises a base, an input unit, an output unit and an output end. The base comprises a top plate, a bottom plate and one connection plate. A plurality of input terminals and a plurality of intermediate terminals are fixed to the base. The input unit comprises one input circuit board provided vertically to the base and electrically coupled to an end portion of the input terminals. At least one channel are provided on the input circuit board. Each channel comprises a transformer electrically coupled to the input circuit board. The output unit comprises an output circuit board horizontally provided to the base and electrically coupled to the input circuit board via the intermediate terminals. The output end are fixed to and electrically coupled to the output circuit board. | 12-24-2015 |
Shaofeng Zhang, Shenzhen CN
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20150156267 | METHODS AND SYSTEMS FOR MANAGING A TASK BASED ON GEOGRAPHICAL LOCATIONS - The present application discloses a location based task management method. A computational device obtains first location information concerning one or more geographical locations where a first client device has been located, and assigns a task to the first client device based on the one or more geographical locations. The task includes a task performance location. The computational device then receives from the first client device a first message that includes second location information corresponding to the task performance location and at least one additional information item. The at least one additional information item is captured by first client device at or near the task performance location after completing the task. The progress of the task is then managed based on the second location information, the at least one additional information item and a time difference between the assignment of the task and the receipt of the first message. | 06-04-2015 |
Shaofeng Zhang, Shanghai CN
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20120269214 | Passively Q-switched Microlaser - A passively Q-switched laser comprises a pump laser diode, a micro laser resonant cavity including a lasing medium and a saturable absorber, a filter and a photodiode. The lasing medium and saturable absorber are bonded together, and dielectric film is coated on the surfaces of the bonded body to form the laser resonant cavity. The filter reflects a portion of the Q-switched laser pulse beam. The photodiode can detect and convert the laser pulse to electric signal for triggering purpose. | 10-25-2012 |
20140265596 | METHOD AND APPARATUS FOR ISLANDING DETECTION FOR GRID TIE CONVERTERS - Methods and apparatus are presented for unintentional islanding detection for grid tie converters in which the phase angle disturbance is introduced by modification of grid side converter switching control signals and a mismatch of reactive power between generation and the grid load is formed upon the occurrence of unintentional islanding, where the applied phase disturbance is determined according to two pre-defined curves to form an equivalent positive feedback at different frequencies to prevent the converter from forming an island at a new stable frequency after the grid is disconnected. | 09-18-2014 |
Shaofeng Zhu, Beijing CN
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20150227291 | INFORMATION PROCESSING METHOD AND ELECTRONIC DEVICE - An information processing method is performed using an electronic device, which includes a touch-sensitive display unit and is capable of executing at least one application. The touch-sensitive display unit is capable of displaying at least one window, which includes a full-screen window and/or a non-full-screen window smaller than the full-screen window. In the method, a first window is displayed on the touch-sensitive display unit according to a first operation, and a first application is started and executed in the first window; a second window is displayed on the touch-sensitive display unit according to a second operation, and a second application is started and executed in the second window; in response to detecting that the first window and the second window are in a predetermined relationship and/or that the first application and the second application are in a predetermined relationship, interaction between the first window and the second window is enabled. | 08-13-2015 |
20150234556 | METHOD FOR INFORMATION PROCESSING AND ELECTRONIC APPARATUS THEREOF - A method for information processing is provided in the disclosure. The method includes: acquiring a first operation of a user; determining a first application and generating a first instruction based on the first operation, wherein the first instruction is adapted to set the first application to a first mode; setting the first application to the first mode based on the first instruction; acquiring a second operation of the user; generating a second instruction based on the second operation; not distributing the second instruction to the first application in the case where it is determined that the second operation belongs to a first type of operation event; and distributing the second instruction to a corresponding application in the case where it is determined that the second operation does not belong to the first type of operation event. An electronic apparatus is further provided in the disclosure. | 08-20-2015 |
Shaofeng Zhu, Seattle, WA US
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20150331727 | CODE SERVICE FOR LANGUAGE-INDEPENDENT DISPATCH - Disclosed herein are systems, methods, and software to enhance the interoperability of components written in different programming languages. In an implementation, a code service receives a request message communicated by an application component via a message interface in an application environment that is at a layer above a target environment. The request message includes a request to invoke a target component available in the target environment and programmed in a language different from that of the application component. In response to the request, the service identifies at least a service component associated with invoking the target component in the target environment. The service component is executed to invoke the target component via a component interface. | 11-19-2015 |