Liu, Chengdu
Caiquan Liu, Chengdu CN
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20130073681 | CREATING INTERACTIVE ZONES - Some implementations disclosed herein provide techniques and arrangements to enable interactive zones. For example, some implementations detect that a user has entered a zone associated with a physical object, where the zone is created via magnetic induction. In response to detecting that the user has entered the zone, some implementations send a virtual object representation of the physical object to a user device (e.g., a wireless phone) associated with the user. The user may interact with the virtual object, including selecting a command associated with the virtual object. Selecting the command may cause the physical object to perform one or more actions. In some implementations, a result of the physical object performing the one or more actions is sent to the user device. | 03-21-2013 |
Changjun Liu, Chengdu CN
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20150207364 | MICROWAVE ENERGY CONVERTER - A microwave energy converter, including at least one semiconductor and ohmic contact electrodes. The semiconductor acts as both a microwave receiving unit and a microwave rectifying unit of the microwave energy converter. The ohmic contact electrodes are disposed at two ends of the semiconductor along a microwave transmission direction to output direct current generated by the semiconductor. | 07-23-2015 |
20150270091 | Injection locked magnetron microwave generator with recycle of spurious energy - An injection locked magnetron microwave generator with a recycle of spurious energy, relating to a microwave power source, includes a frequency selective reflector for recycling the spurious energy of a magnetron and satisfies locking requirements of an output frequency of a high-output-power magnetron with a low-power injection signal. The microwave generator includes n magnetrons and n locking devices. The locking devices inject locking signals into the corresponding magnetrons. The n locking devices are connected with a microwave source. Output terminals of the magnetrons are connected with corresponding frequency selective reflectors for reflecting the spurious microwave signals outputted by the magnetrons back to the magnetrons. N≧1. The microwave generator, with a simple structure, effectively recycles the spurious energy outputted by the magnetrons, and reduces the power of the injection signal and costs of the microwave source and the overall microwave generator. | 09-24-2015 |
Guosheng Liu, Chengdu CN
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20130288201 | Bionic Tooth Implant, and Base and Sub-Root Thereof - The invention discloses a bionic tooth implant, comprising a main root and a basal platform, wherein the main root comprises a fixing root part positioned at the lower part thereof and a basal platform positioned at the upper part thereof; the bionic tooth implant also comprises at least one subsidiary root; the basal platform is mounted on the main root via the basal platform of the main root, wherein an inclined hole is provided on the basal platform; an inclined-direction hole communicated with the inclined hole is provided on the main root; the subsidiary root comprises the fixing root part positioned at the lower part thereof and a connected part positioned at the upper part thereof; the connected part is mounted in the inclined hole; the subsidiary root extends from the inclined-direction hole through the main root; and at least a part of the fixing root part is positioned at the outer part of the main root. As to the bionic tooth implant, after the main root is implanted into the jaw of the patient, the basal platform is directly inserted into the main root and then the matched installation between the main root and the basal platform is completed. The subsidiary root is directly screwed into the jaw and the whole implanting process of the bionic tooth implant is completed, without two-stage operation and the arrangement of the basal platform. The whole operation process is convenient and rapid. | 10-31-2013 |
Jianfeng Liu, Chengdu CN
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20080276719 | SPRING SUPPORTED LOWER CLAMPER FOR DIRECT TENSILE TEST - The present invention discloses a spring supported lower clamper for direct tensile test, comprising a lower connection member, a lower end cap for holding a sample, a lower chain for connecting the lower connection member with the lower end cap, and spring-type supporting means for supporting a broken-apart lower part of the sample formed during the tensile test and the lower end cap. During the tensile test, the sample, the lower end cap and the lower chain are supported by the spring-type supporting means. Thus the sample can be prevented from being broken abruptly when a tensile force in the sample reaches its maximum level, and the mechanical behavior after the maximum tensile force is reached can be measured. | 11-13-2008 |
20100313661 | UNIVERSAL ACOUSTIC EMISSION TEST SENSOR FIXING DEVICE - A universal acoustic emission test sensor fixing device includes a radial positioning mechanism, supporting mechanisms, bases, acoustic emission test sensor mounting mechanisms, and parallelism adjusting members, in which the supporting mechanism includes a main supporting arm and an auxiliary supporting arm, with one end of the auxiliary supporting arm fixedly connected to or hinged with the main supporting arm and the other end being provided with a ball head, and a parallelism adjusting member mounting mechanism is provided at the joint of the main supporting arm and the auxiliary supporting arm, and the base is provided with a spherical hole. | 12-16-2010 |
20100313662 | ACOUSTIC EMISSION TEST SENSOR FIXING DEVICE - An acoustic emission test sensor fixing device, comprising a radial positioning mechanism, supporting mechanisms, bases, acoustic emission test sensor mounting mechanisms, and parallelism adjusting members, wherein the supporting mechanism comprises a main supporting arm and an auxiliary supporting arm, with one end of the auxiliary supporting arm is fixedly connected to or hinged with the main supporting arm and the other end is provided with kink shaft members which are symmetrical about the auxiliary supporting arm; and the bases are provided with plugholes which form revolute pairs with the auxiliary supporting arm. The above components are assembled as follows: the main supporting arms of the two sets of supporting mechanisms are connected to the two free ends of the radial positioning mechanism respectively in the way that the auxiliary supporting arms of the two sets of supporting mechanisms are located at the inner sides of the main supporting arms respectively and are arranged axis symmetrically with respect to the central line of the radial positioning mechanism, and the kink shaft members of the two auxiliary supporting arms are respectively inserted into the plugholes of the two bases to form revolute pairs, the two sets of acoustic emission test sensor mounting mechanisms are respectively mounted at the two bases, and the two sets of parallelism adjusting members are respectively mounted on the two main supporting arms and correspond to the positions of the bases. | 12-16-2010 |
20120260734 | MULTIPURPOSE SENSOR FIXING DEVICE - A multipurpose sensor fixing device includes a radial positioning mechanism, a supporting mechanism, a base, a mounting mechanism, and a parallelism adjusting member. The supporting mechanism comprises a main supporting arm and an auxiliary supporting arm, with one end of the auxiliary supporting arm connected to the main supporting arm and the other end comprising kink shaft members. The main supporting arm is connected to an end of the radial positioning mechanism to locate the auxiliary supporting arm at the inner side of the main supporting arm. The kink shaft member of the auxiliary supporting arm is inserted into a plughole of the base to form a revolute pair with the auxiliary supporting arm. The mounting mechanism is mounted at the base. The parallelism adjusting member is mounted on the main supporting arm. | 10-18-2012 |
20120261363 | UNIVERSAL MULTIPURPOSE SENSOR FIXING DEVICE - A universal multipurpose sensor fixing device comprises a radial positioning mechanism, supporting mechanisms, bases, acoustic emission test sensor mounting mechanisms, and parallelism adjusting members. Each supporting mechanism includes a main arm and an auxiliary arm having one end connected to the main arm and a ball head on the other end. A parallelism adjusting member mounting mechanism is provided at the joint of the main arm and the auxiliary arm. The main arms are respectively connected to the two free ends of the radial positioning mechanism to position the auxiliary arms at the inner sides of the main arms, arranged axis symmetrically with respect to the central line of the radial positioning mechanism. The ball heads of the two auxiliary arms are located within spherical holes of the bases to form universal revolute pairs. A set of acoustic emission test sensor mounting mechanisms are mounted at each base. | 10-18-2012 |
20140326450 | PNEUMATIC FRACTURING METHOD AND SYSTEM FOR EXPLOITING SHALE GAS - A pneumatic fracturing method for exploiting shale gas, the method including: 1) applying a compressed gas for a first period of time at a first pressure to a shale formation; 2) applying the compressed gas for a second period of time at a second pressure to the shale formation; and 3) repeating steps 1) and 2) to produce fissures in the shale formation. A temperature of the compressed gas is at least 80° C. A maximum pressure of the compressed gas is at least 25 megapascal, and a minimum pressure of the compressed gas is between ¼ and ⅓ of the maximum pressure. | 11-06-2014 |
20150145315 | METHOD AND DEVICE FOR BUILDING UNDERGROUND STOREHOUSE BY DISSOLVING LIMESTONE WITH CARBON DIOXIDE - A method for building an underground storehouse by dissolving limestone with carbon dioxide, the method comprising the following steps: a.) drilling two wells extending from the ground surface ( | 05-28-2015 |
20160103047 | ROCK SPECIMEN AND METHOD FOR TESTING DIRECT TENSILE STRENGTH OF THE SAME - A rock specimen, including a rock body having the shape of a cylinder or a regular square prism. The rock body includes: an upper end face, a first circular groove, a first cylinder, a first circular body, a lower end face, a second circular groove, a second cylinder, and a second circular body. The first circular groove is disposed on the upper end face of the rock body and has a circle center coinciding with the center of the upper end face of the rock body. The second circular groove is disposed on the lower end face of the rock body and has a circle center coinciding with the center of the lower end face of the rock body. The outer diameter of the first circular groove is smaller than the inner diameter of the second circular groove, and the first circular groove and the second circular groove are staggered. | 04-14-2016 |
20160103049 | ROCK SPECIMEN AND METHOD FOR TESTING PURE SHEAR OF THE SAME - A rock specimen, including a rock body. The rock body includes: an upper part, an upper end face, a first circular groove, a first cylinder, a first circular body, a lower part, a lower end face, a second circular groove, a second cylinder, and a second circular body. The first circular groove is disposed on the upper end face of the rock body and has a circle center coinciding with a center of the upper end face. A method for testing pure shear of the rock specimen, includes: 1) disposing the rock specimen on a test bench of a rock mechanics testing system, allowing the end face of the second circular body to contact the test bench; and 2) operating the rock mechanics testing system, loading a pressure on the rock specimen via the end face of the first cylinder and the end face of the second circular body. | 04-14-2016 |
Jiang Liu, Chengdu CN
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20150226423 | DUAL-BED SYSTEM FOR PREVENTING BOILER HEATING SURFACE FROM BEING CONTAMINATED - A dual-bed system for preventing a boiler heating surface from being contaminated comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with the upper lateral side of the fluidized bed; the inlet end of the coal ash distributor; the two outlets of the coal ash distributor are respectively connected with the inlet of the return feeder and the inlet of the ash-coal mixer; the outlet of the ash-coal mixer is connected with the inlet of the lower pyrolysis bed; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet on the lower lateral side of the fluidized bed. | 08-13-2015 |
20150292734 | PYROLYSIS-COMBUSTION DUAL-BED SYSTEM FOR ELIMINATING CONTAMINATION CAUSED BY COMBUSTION OF HIGH-SODIUM COAL - A pyrolysis-combustion dual-bed system Comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with an upper lateral side of the fluidized bed, the outlet end of the cyclone separator is connected with the inlet end of the coal ash distributor; the two outlets of the lower pyrolysis bed are respectively connected with the inlet of an external bed and the inlet of the cleaner; the outlet of the external bed is connected with the inlet of the return feeder; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet of the lower lateral side of the fluidized bed. | 10-15-2015 |
20150292735 | External Bed Type Double-Fluidized Bed System for Preventing Boiler Contamination - An external bed type double-fluidized bed system for preventing boiler contamination includes a fluidized bed combustion furnace, a cyclone separator, a coal ash distributor and a fluidized bed pyrolysis furnace. The fluidized bed combustion furnace is connected with the coal ash distributor, the coal ash distributor is connected with the coal ash inlet on a side wall of the fluidized bed combustion furnace through a return feeder with which the coal ash outlet of the fluidized bed pyrolysis furnace is also connected through an external bed, and the return feeder is connected with the fluidized bed combustion furnace. A fuel coal is pyrolyzed in the fluidized bed pyrolysis furnace at a temperature to volatize alkali chlorides into a pyrolysis gas, thereby reducing the content of the alkali chlorides contained in the coal in the fluidized bed combustion furnace and relieving the contamination to a convective heat-absorbing surface. | 10-15-2015 |
Jianping Liu, Chengdu CN
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20090006453 | Systems and methods for SNMP access - Systems and methods for SNMP access are disclosed. A computer-implemented method of SNMP access includes mapping a MIB object in a MIB into an XML object in an XML document, generating a class library based on the XML document, creating a service object representative of a service associated with SNMP access to the MIB object, and linking the class library according to the service object to perform the service. | 01-01-2009 |
Junjian Liu, Chengdu CN
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20100197898 | USE OF URSOLIC ACID SAPONIN,OLEANOLIC ACID SAPONIN IN PREPARATION OF INCREASING LEUCOCYTES AND/OR PLATELET MEDICINE - The invention provides the use of ursolic acid saponin and oleanolic acid saponin of formula (I) in preparing medicaments for increasing leucocytes and/or platelets. The invention also provides a pharmaceutical composition containing the same compound. The invention utilizes the cheap and accessible ursolic acid and oleanolic acid which are widely present in natural plants as raw materials, introduces monosaccharyls or oligosaccharyls by structural modification. It is proved by pharmacological tests that the compound of formula (I) have an activity of obviously increasing leucocytes and/or platelets. | 08-05-2010 |
Lei Liu, Chengdu CN
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20120020405 | ELECTRONIC EQUALIZATION AND ELECTRONIC DEPOLARIZATION METHOD, RECEIVING END EQUIPMENT, AND COMMUNICATION SYSTEM - Embodiments of the present invention disclose an electronic equalization and electronic depolarization method, a receiving end equipment, and a communication system. According to the embodiments of the present invention, parameters required by electronic equalization and electronic depolarization are calculated by detecting a Synchronization Sequence (SS) in a received signal, and then the electronic equalization and the electronic depolarization are performed on the received signal in a frequency domain by utilizing the parameters, so as to solve a problem of the electronic equalization and the electronic depolarization in a Polarization Division Multiplexing (PDM) Orthogonal Frequency Division Multiplexing (OFDM) system. Furthermore, the realization complexity of the electronic equalization and the electronic depolarization performed in the frequency domain is greatly reduced relative to the electronic equalization and the electronic depolarization performed in a time domain. | 01-26-2012 |
20120027410 | METHOD, DEVICE AND SYSTEM FOR GENERATING AND RECEIVING A PHASE POLARIZATION MODULATED SIGNAL - In the field of communications transmission, a method, a device, and a system for generating and receiving a phase polarization modulated signal are disclosed. The device for generating the phase polarization modulated signal includes: a Laser Diode (LD), a time division demultiplexer, a phase precoding module, a phase modulating module, a polarization precoding module and a polarization modulating module. The device for receiving the phase polarization modulated signal includes: an optical splitter, a polarizer, a phase demodulating and receiving unit, a Polarization Beam Splitter (PBS), a balanced receiver, a power divider, an exclusive OR, a delayer and a data interface processing unit. Therefore, problems in the prior art that a Differential Quadrature Phase Shift Keying (DQPSK) signal cannot bear and transmit information at a higher rate and that non-linear effect is strong during transmission are solved, and transmission performance of an optical signal is improved. | 02-02-2012 |
20120087668 | METHOD AND DEVICE FOR GENERATING AND RECEIVING OOFDM SIGNAL, AND WAVELENGTH-DIVISION MULTIPLEXING SYSTEM - Embodiments of the present invention relate to the field of communications, and in particular, disclose a method and a device for generating and receiving an OOFDM signal, and a wavelength-division multiplexing system. The method for generating an OOFDM signal includes: converting a channel of serial high-speed data to N channels of parallel low-speed data; performing modulation mapping on the N channels of parallel low-speed data respectively to obtain N channels of information sequences; expanding the N channels of information sequences to 2N+2 channels of information sequences which have a Hermitian symmetric structure; performing inverse Fast Fourier Transform on the 2N+2 channels of information sequences, and then performing parallel-to-serial conversion to obtain an OFDM baseband signal; performing digital-to-analog conversion on the OFDM baseband signal to obtain an OFDM analog signal; and modulating the OFDM analog signal to an optical carrier to obtain an OOFDM signal. | 04-12-2012 |
20120275791 | METHOD AND APPARATUS FOR IMPLEMENTING PDM-BPSK MODULATION AND QPSK MODULATION IN COMPATIBLE MANNER - A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal. | 11-01-2012 |
20130108277 | SIGNAL GENERATING METHOD AND APPARATUS | 05-02-2013 |
20130209098 | METHOD AND DEVICE FOR RECEIVING MULTI-CARRIER OPTICAL SIGNAL - The present invention relates to a method and a device. The method includes: mixing a multi-carrier optical signal with a local optical signal having the same center frequency as that of the multi-carrier optical signal; performing photoelectric conversion and analog-to-digital conversion on an optical signal obtained through the mixing to obtain a digital signal; performing FFT on the digital signal to obtain a frequency domain signal; grouping the frequency domain signal according to each frequency band corresponding to its respective carrier in the multi-carrier optical signal, and performing IFFT on each frequency domain signal group to obtain a corresponding time domain signal for each carrier; and performing data restoration on each time domain signal corresponding to its respective carrier to obtain data carried on each carrier. The solutions of the present invention only require one set of coherent reception device, and have low cost and low power consumption. | 08-15-2013 |
Linsheng Liu, Chengdu CN
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20130088295 | Multi-Band Power Amplifier - A power amplifier ( | 04-11-2013 |
20140320214 | DOHERTY POWER AMPLIFICATION APPARATUS AND METHOD - A multi-way Doherty power amplifier, DPA, is disclosed, comprising a first path comprising a carrier amplifier or at least one carrier amplifier segment partitioned from the carrier amplifier; a second to N-th paths each comprising at least one carrier amplifier segment and/or at least one peaking amplifier segment partitioned from a peaking amplifier; and a power splitter for splitting an input power signal to each of the at least one carrier amplifier segment and/or at least one peaking amplifier segment in a same path, wherein N is an integer not less than 2; a signal preparation unit configured for generating separately input power signal for the first path and each of the second path to N-th paths; and an impedance inverting network configured for combining output signal power from each path. The performance of each amplifier cell can be maximized independently without any compromises made for each other. | 10-30-2014 |
Luwei Liu, Chengdu CN
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20120119646 | HELICAL SLOW-WAVE STRUCTURE - The present invention provides a helical slow-wave structure, including a helix, a metal barrel and several supporting rods. The plurality of supporting rods may be inserted into the lines of the grooves tightly, this increases the contact area between the helix and the plurality of supporting rods. With a proper assembly method, the thermal contact resistance between helix and supporting rod may be decreased. So, the invention may enhance the capability of transferring the heat out of the helical slow-wave structure. The helix may have higher heat capacity, therefore, the helical slow-wave structure may become more firm, and more reliable. | 05-17-2012 |
Maoyin Liu, Chengdu CN
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20120259941 | SERVER AND METHOD FOR THE SERVER TO ACCESS A VOLUME - Embodiments of the present technical solution relate to the technique field of storage, and disclose a server and a method for the server to access a volume. The method comprises: determining, from a first list, a block that needs to be accessed according to an access offset of a volume that needs to be accessed; determining, from a second list, a storage controller corresponding to the block that needs to be accessed according to the determined block; and sending a data reading request or a data writing request to the storage controller corresponding to the block that needs to be accessed to process. Embodiments of the present invention can reduce time delay when the data reading request or the data writing request of the server reaches the block that needs to be accessed. | 10-11-2012 |
Qiao Liu, Chengdu CN
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20140023094 | CHANNEL FREQUENCY OFFSET ESTIMATION METHOD, APPARATUS, AND SYSTEM - Embodiments of the present invention provide a method, includes: performing channel estimation on a signal of a current channel to obtain channel information of the current channel, performing calculation processing on the channel information obtained in current channel estimation and channel information obtained in previous channel estimation to obtain a phase difference of the current channel information, dividing the phase difference of the current channel information by a time interval between two times of channel estimation to obtain residual frequency offset information of the current channel, adding the residual frequency offset information of the current channel and frequency offset information which is of the channel and obtained in a previous calculation to obtain frequency offset information of the current channel, and outputting the frequency offset information of the current channel, so as to perform frequency offset correction on the signal of the channel according to the current frequency offset information. | 01-23-2014 |
20160112179 | INFORMATION PROCESSING METHOD AND APPARATUS - The present invention discloses an information processing method and apparatus, including: obtaining a local to-be-transmitted signal by using a local transmitter, and inserting first pilots and second pilots, where the first pilots are inserted from a first position of the local to-be-transmitted signal, the second pilots are inserted from a second position of the local to-be-transmitted signal; obtaining a local transmit signal; obtaining a peer transmit signal, where the peer transmit signal is sent after third pilots and fourth pilots are inserted, the third pilots are inserted from a third position of the peer transmit signal, the fourth pilots are inserted from a fourth position of the peer transmit signal, the first pilot is orthogonal to the fourth pilot, and the second pilot is orthogonal to the third pilot; and parsing the local transmit signal and the peer transmit signal by using the local receiver. | 04-21-2016 |
Qingyou Liu, Chengdu CN
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20130153796 | Underground Annular Blowout Preventer and Assembly Process Thereof - An underground annular blowout preventer, which belongs to the technical field of underground blowout prevention, includes an upper joint and a lower joint are sleeved outside a central barrel. The lower end of the central barrel is fixedly connected with the lower joint. The lower end of the upper joint is sleeved on the inner side of the upper end of the lower joint. The upper joint is matched with the lower joint through a spline. The lower end of the upper joint can freely move relative to the lower joint along a spline pair. At least one rubber barrel is sleeved on the outer side of the upper joint. The rubber barrel can be extruded and expanded by the upper joint and the lower joint. The underground annular blowout preventer of the present invention can transmit large torque, has a simple structure, long service life, is convenient to use, and can be repeatedly used. The underground annular blowout preventer is used in coordination with a check valve of a near drill in the well drilling process, so that quick sealing of a well can be ensured, and well blowout accidents can be effectively prevented. A pipe column is lowered to seal the well and is lifted to open the well, and the inside of the drill rod is in communication with an annular space after the well is sealed, which facilitates replacement for heavy mud lubrication operations. | 06-20-2013 |
20150300554 | ACTIVELY DRIVEN SPIRAL PIPELINE ROBOT - An actively driven spiral pipeline robot is disclosed, comprising: a body, a power device, a driving shaft, an axle, a driving wheel carrier mounted at one end of the body, and a variable diameter mechanism disposed on the driving wheel carrier. The axle is disposed on the variable diameter mechanism. A driving wheel is fixedly mounted on the axle. The driving shaft and the axle are connected via a connector. The driving shaft is further connected with an output shaft of the power device via a transmission device. The present invention has following beneficial effects: a scope of application of the robot is expanded, an operation is stable, and an axial force is large. In addition, an axial position of the robot is adjusted by controlling an operation of the driving wheel, and an adjustment precision is high. | 10-22-2015 |
20160032704 | DEEPWATER DRILLING CONDITION BASED MARINE RISER MECHANICAL BEHAVIOR TEST SIMULATION SYSTEM AND TEST METHOD - The present invention discloses a deepwater drilling condition based marine riser mechanical behavior test simulation system. An upper three-component dynamometer, an tipper connecting structure, a marine riser, a lower connecting structure and a lower three-component dynamometer are connected between an upper trailer connecting plate and a lower trailer connecting plate in sequence. The invention further discloses a test method. The present invention has the advantages that the mechanical behavior of the marine riser under deepwater drilling condition and marine environment coupling effect can be simulated comprehensively and accurately, and the apparatus can simulate ocean current environment, apply top tension to the marine riser, simulate circulation of internal drilling fluids at different current rates, simulate rotation of the drill stem at different rotational speeds and apply different drill pressures. | 02-04-2016 |
Quanwang Liu, Chengdu CN
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20090128212 | Charge pump systems with adjustable frequency control - An electronic system includes a charge pump driver for generating an output to control an electronic element. The electronic system further includes a clock generator coupled to the charge pump driver. The clock generator can generate a clock signal to control the charge pump driver and adjust a frequency of the clock signal according to a status of the electronic element. | 05-21-2009 |
Shanjun Liu, Chengdu CN
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20130068332 | Aerated Swirling Vertical Shaft with Double Volute Chambers - An aerated swirling vertical shaft with double volute chambers comprises an upper volute chamber ( | 03-21-2013 |
20130276926 | Aerated Swirling Vertical Shaft with Double Volute Chambers - An aerated swirling vertical shaft with double volute chambers comprises an upper volute chamber ( | 10-24-2013 |
Shenggang Liu, Chengdu CN
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20100141143 | Coaxial cavity gyrotron with two electron beams - A coaxial cavity gyrotron with two electron beams includes an electron gun (magnetron injection gun, “MIG,” with two beams), a coaxial beam-wave interaction cavity and an outer magnetic field tube. The coaxial beam-wave interaction cavity consists of two parts: an outer conductor and an inner conductor. The two hollow electron beams produced by the MIG are located between the outer conductor and the inner conductor. The MIG includes inner and outer anodes, with a single cathode located between the anodes. The cathode further includes two emitter rings which produce the two hollow electron beams. The entire gyrotron is immersed in the magnetic field tube such that the magnetic field profile is the same or similar to that for a coaxial gyrotron with one electron beam. | 06-10-2010 |
Shihua Liu, Chengdu CN
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20160083255 | RAW MATERIAL PRE-TREATMENT METHOD AND RAW MATERIAL PRE-TREATMENT PROCESS SYSTEM SUITABLE FOR KILN PHOSPHORIC ACID PROCESS - Disclosed is a raw material pre-treatment process system suitable for a kiln phosphoric acid process, comprising a carbonaceous reductant, a phosphate ore and a silica pre-treatment system which are independent from one another, outlets of the carbonaceous reductant, phosphate ore pre-treatment system and silica pre-treatment system are all connected to an inner pellet material mixing device via a first delivery device, and outlets of the carbonaceous reductant and the silica pre-treatment system are both additionally connected to a shell material mixing device via a second delivery device. Also disclosed is a raw material pre-treatment process suitable for a kiln phosphoric acid process, i.e. pre-treating carbonaceous reductant, phosphate ore and silica respectively, feeding the carbonaceous reductant powder, phosphate ore powder and silica powder into the inner ball material mixing device for pelletizing, and feeding the carbonaceous reductant and silica into the shell material mixing device for mixing. | 03-24-2016 |
Shuhao Liu, Chengdu CN
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20150191992 | Mandrel for Re-pressurization and Downhole Plugging Apparatus - A mandrel for re-pressurization is disclosed. Said mandrel comprising a pipe body, connecting threads at both ends of the pipe body of said mandrel; a containing section and a secondary pressurizing section on the body pipe, wherein the secondary pressurizing section has a larger diameter than that of the containing section; a position of the containing section allows a compressed seal assembly to be contained in the containing section when in a setting state; a position of the secondary pressurizing section allows a internal surface of the seal assembly that is already compressed to be pressurized again in a compressing state. A downhole plugging apparatus is disclosed as well. | 07-09-2015 |
20150252647 | STRESS-BUFFER RELEASE LEVER AND DOWNHOLE PLUGGING APPARATUS - The present invention discloses a stress-buffer release lever, which comprises an outer lever and an inner lever; the outer lever consists of a front end and a back end, wherein external threads are provided on both ends of the outer lever; a weakened section is set between the front end and the back end of outer lever; a co-axial through-hole is provided inside the outer lever, and internal threads are set on an inner surface of the through-hole; the inner lever's outer surface is provided with an external thread, the inner lever is set within the through-hole of the outer lever and is connected to the outer lever by the threads; the tensile strength of the inner lever is lower than that of the outer lever. The current invention also discloses a downhole plugging apparatus. | 09-10-2015 |
Shuhua Liu, Chengdu CN
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20150319396 | DEVICE FOR DEPLOYING AND RETRACTING LIQUID CRYSTAL DISPLAY (LCD) AND CONTROL METHOD THEREOF - The servomechanism comprises a gear motor, a one-way bearing dynamically connected to the gear motor, an electromagnetic clutch, a speed reducer, and a plane four-bar linkage mechanism which drives the LCD on the shafts to rotate. The electromagnetic clutch is also connected to a spring motor which dynamically connects to the speed reducer. In the deploying and retracing direction of the LCD, a stowed position transducer and a retracted position transducer are disposed to monitor the LCD position changes and an angle sensor to monitor the LCD deploying speed changes. The stowed position transducer, retracted position transducer, and angle sensor are electrically connected to a controller. The controller collects and processes signals generated by the stowed position transducer, retracted position transducer, and angle sensor and controls LCD retracting in the event of power outage or unexpected exceptions. | 11-05-2015 |
Shulao Liu, Chengdu CN
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20140146949 | COLLIMATOR AND CT SYSTEM COMPRISING THE SAME - A CT collimator comprising: a first gate and a second gate arranged in parallel on a slide rail, the first gate being fixed to a support rack of the CT collimator via elastic members; an electromagnet system arranged on one of the first gate and the second gate; and a metal plate arranged on the other side of the one of the first gate and the second gate relative to the electromagnet system, one end of the metal plate being fixed on the other of the first gate and the second gate and the other end of the metal plate extending to below the electromagnet system, wherein the electromagnet system is configured to engage the first gate and the second gate via the metal plate when the electromagnet system is triggered. | 05-29-2014 |
Shutao Liu, Chengdu CN
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20140211913 | ADVANCED COLLIMATOR APERTURE CURVE - A CT imaging system and a method for determining a CT collimator slit profile. The method includes determining a profile of two opposite edges of the collimator slit in a longitudinal direction thereof based on the following: a vertical distance between a focus of a radiation source to the collimator slit, a vertical distance between the focus and the radiation detector, an inclination angle between adjacent detector elements, a length of each detector element, a desired width of projection on the radiation detector by the radiation rays passing through the slit whose longitudinal edge profile is to be determined, and an offset angle of a connecting line from a point on a longitudinal center line of the slit to the focus relative to a plane passing said focus and perpendicular to the slit. | 07-31-2014 |
Wen-Tao Liu, Chengdu CN
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20090265861 | METHOD FOR MANUFACTURING PROTEIN FILLING AGENT FOR LEATHER UTILIZING ANIMAL HAIRS - Method for manufacturing a protein filling agent for leather utilizing animal hairs. The method includes pre-treating the animal hairs to obtain pre-treated animal hairs, wherein the pre-treating comprises soaking the animal hairs in an inorganic acid solution and a reducing agent solution. Next, the pre-treated hairs are hydrolyzed in an alkaline compound to obtain a viscous liquid and then, neutralized and dried to obtain the protein filling agent for leather. | 10-29-2009 |
Xiaobo Liu, Chengdu CN
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20140201169 | DATA PROCESSING METHOD AND APPARATUS IN CLUSTER SYSTEM - In embodiments of the present invention, when a duplicate data query is performed on a received data stream, a first physical node which corresponds to each first sketch value and is in a cluster system is identified according to a first sketch value representing the data stream, and then the first sketch value representing the data stream is sent to the identified physical node for the duplicate data query, and a procedure of the duplicate data query does not change with an increase of the number of nodes in the cluster system; therefore, a calculation amount of each node does not increase with an increase of the number of nodes in the cluster system. | 07-17-2014 |
Xueshan Liu, Chengdu CN
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20160143096 | CIRCUITS FOR DRIVING LIGHT SOURCES - A light source driving circuit for powering a first light source and a second light source by a DC voltage includes a first control circuitry and a second control circuitry. If the DC voltage is within a first range, then the first control circuitry controls a first switch and the second control circuitry controls a second switch to turn on the first light source and to regulate a current flowing through the first light source. If the DC voltage is within a second range, then the first control circuitry controls a third switch and the second control circuitry controls a fourth switch to turn on the first light source and the second light source and to regulate a current flowing through the first light source and the second light source. | 05-19-2016 |
Xueshang Liu, Chengdu CN
Yalin Liu, Chengdu CN
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20160036597 | Openflow-Protocol-Based Charging Method and System - Embodiments of the present patent application disclose an OpenFlow-protocol-based charging method and system. The method includes: receiving, by an interface protocol OpenFlow switch between a routing control plane and a data plane; collecting, a session request, by the OpenFlow switch, charging data for the session according to a preset charging rule and by using a charging parameter obtained through an OpenFlow interface; and sending, by the OpenFlow switch, the collected charging data to a charging system, so that the charging system performs charging according to the charging data. | 02-04-2016 |
Yating Liu, Chengdu CN
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20150163078 | Signal Correction Method and Receiving Machine - The present invention discloses a signal correction method and a receiving machine, pertaining to the radio communication field. The method includes: acquiring M channels of first signals; performing adaptive processing for each channel of first signals among the M channels of first signals to output M channels of first correction signals; making a decree according to the M channels of first correction signals to obtain M channels of decree results; using a decree result with a same value and with a largest quantity among the M channels of decree results as a feedback signal; receiving M channels of second signals; and separately performing adaptive processing, according to the feedback signal, for each channel of second signals among M channels of second signals to output M channels of second correction signals. | 06-11-2015 |
Yenan Liu, Chengdu CN
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20120011940 | Integrated Micromachining Air Flow Path Clog Sensor - Nowadays many electronic devices, such as LCD projector, computer servers, and air fresher etc. require reliable air cooling system to reduce the risk of electronics damage caused by overheating. The present invention disclosed an apparatus integrated with air flow sensor as an alarm apparatus for air flow clog detection. The major prior approach for air flow circulation failure detection is based on an indirect measurement method of temperature monitoring on surrounding environments, which method is suffering from the slow response and poor identification of real-time situation. The present invention will demonstrate the advantages by directly monitoring air flow over by indirectly monitoring the surrounding temperature as for the purpose of preventing air flow path clog. | 01-19-2012 |
Yiliang Liu, Chengdu CN
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20100030470 | GLOBAL POSITIONING SYSTEM AND DEAD RECKONING (GPS&DR) INTEGRATED NAVIGATION SYSTEM - A global positioning system and dead reckoning (GPS&DR) integrated navigation system includes a GPS receiver coupled to a moving object for periodically generating GPS navigation information of said moving object, a DR system coupled to said moving object for periodically calculating DR navigation information of said moving object, and a filter coupled to said GPS receiver and said DR system for periodically calculating navigation information of said moving object, wherein said filter gets observation information by integrating said GPS navigation information and said DR navigation information according to a weight value of said GPS navigation information and a weight value of said DR navigation information, and calculates a current navigation information by integrating said observation information with previous navigation information from a plurality of previous cycles. | 02-04-2010 |
Yingke Liu, Chengdu CN
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20140326450 | PNEUMATIC FRACTURING METHOD AND SYSTEM FOR EXPLOITING SHALE GAS - A pneumatic fracturing method for exploiting shale gas, the method including: 1) applying a compressed gas for a first period of time at a first pressure to a shale formation; 2) applying the compressed gas for a second period of time at a second pressure to the shale formation; and 3) repeating steps 1) and 2) to produce fissures in the shale formation. A temperature of the compressed gas is at least 80° C. A maximum pressure of the compressed gas is at least 25 megapascal, and a minimum pressure of the compressed gas is between ¼ and ⅓ of the maximum pressure. | 11-06-2014 |
Yinqiu Liu, Chengdu CN
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20150193970 | VIDEO PLAYING METHOD AND SYSTEM BASED ON AUGMENTED REALITY TECHNOLOGY AND MOBILE TERMINAL - Disclosed is a video playing method based on augmented reality technology. In combination with augmented reality technology, a rectangular plane 3D model which completely covers a target picture in a current scene image is drawn, and at the same time, after a video file related to the target picture is separated into an audio stream and a video stream, a video image frame in the video stream is taken as a texture and is mapped to the 3D model frame by frame, and graphic rendering is performed; and finally, a scene image captured by a video camera and the rendered 3D model are fused and output, and the audio stream data is output synchronously. Correspondingly, also disclosed are a video playing system based on augmented reality technology and mobile terminal. The picture information in newspapers and periodicals, magazines and other print media can be easily converted into video information, and the video completely fits the picture in the spatial position, so that a user obtains a new audio-visual experience of combining emotion with scenery; and newspapers and periodicals, magazines and other paper media can also realize diversified propagation of information by virtue of the technology of the present invention, and provide a precise fast video push service. | 07-09-2015 |
Yongjun Liu, Chengdu CN
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20140359685 | VIDEO PROCESSING METHOD, TELEVISION DONGLE, CONTROL TERMINAL, AND SYSTEM - Embodiments of the present invention relate to a video processing method, a television dongle, and a control terminal. The method includes: receiving, by a television dongle, video information downloaded from the Internet; when a playing terminal needs to play the video information in a muted manner, decoding the video information, decomposing the decoded video information into video data and audio data, sending the decomposed video data to the playing terminal; and sending the decomposed audio data to a control terminal, so that the control terminal plays the audio data. Therefore, the present invention implements a function for a user to watch the picture of a video by using a playing terminal, for example, a television, and listen to the sound of the video by using a control terminal, for example, a smartphone, and reduces the cost for the user to watch video information in a muted manner. | 12-04-2014 |
Yongqing Liu, Chengdu CN
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20090006453 | Systems and methods for SNMP access - Systems and methods for SNMP access are disclosed. A computer-implemented method of SNMP access includes mapping a MIB object in a MIB into an XML object in an XML document, generating a class library based on the XML document, creating a service object representative of a service associated with SNMP access to the MIB object, and linking the class library according to the service object to perform the service. | 01-01-2009 |
Yunlong Liu, Chengdu CN
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20160126193 | METHOD OF FABRICATING A TUNGSTEN PLUG IN A SEMICONDUCTOR DEVICE - In an semiconductor process, a seamless tungsten plug is formed in an inter-layer dielectric by forming the inter-layer dielectric from multiple oxide layers having different wet etch rates, from lowest wet-etch rate for the lowest layer to highest wet-etch rate for the highest layer, forming a hole or trench in the inter-layer dielectric using a dry etch process, reconfiguring the hole or trench to have sloped side walls by performing a wet etch step, and filling the hole or trench with tungsten and etching back the tungsten to form a seamless tungsten plug. | 05-05-2016 |
20160141204 | TRENCH HAVING THICK DIELECTRIC SELECTIVELY ON BOTTOM PORTION - A method of fabricating a semiconductor device includes etching a semiconductor substrate having a top surface to form a trench having sidewalls and a bottom surface that extends from the top surface into the semiconductor substrate. A dielectric liner of a first dielectric material is formed on the bottom surface and sidewalls of the trench to line the trench. A second dielectric layer of a second dielectric material is deposited to at least partially fill the trench. The second dielectric layer is partially etched to selectively remove the second dielectric layer from an upper portion of the trench while preserving the second dielectric layer on a lower portion of the trench. The trench is filled with a fill material which provides an electrical conductivity that is at least that of a semiconductor. | 05-19-2016 |
Zhengning Liu, Chengdu CN
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20150226423 | DUAL-BED SYSTEM FOR PREVENTING BOILER HEATING SURFACE FROM BEING CONTAMINATED - A dual-bed system for preventing a boiler heating surface from being contaminated comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with the upper lateral side of the fluidized bed; the inlet end of the coal ash distributor; the two outlets of the coal ash distributor are respectively connected with the inlet of the return feeder and the inlet of the ash-coal mixer; the outlet of the ash-coal mixer is connected with the inlet of the lower pyrolysis bed; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet on the lower lateral side of the fluidized bed. | 08-13-2015 |
20150292734 | PYROLYSIS-COMBUSTION DUAL-BED SYSTEM FOR ELIMINATING CONTAMINATION CAUSED BY COMBUSTION OF HIGH-SODIUM COAL - A pyrolysis-combustion dual-bed system Comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with an upper lateral side of the fluidized bed, the outlet end of the cyclone separator is connected with the inlet end of the coal ash distributor; the two outlets of the lower pyrolysis bed are respectively connected with the inlet of an external bed and the inlet of the cleaner; the outlet of the external bed is connected with the inlet of the return feeder; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet of the lower lateral side of the fluidized bed. | 10-15-2015 |
20150292735 | External Bed Type Double-Fluidized Bed System for Preventing Boiler Contamination - An external bed type double-fluidized bed system for preventing boiler contamination includes a fluidized bed combustion furnace, a cyclone separator, a coal ash distributor and a fluidized bed pyrolysis furnace. The fluidized bed combustion furnace is connected with the coal ash distributor, the coal ash distributor is connected with the coal ash inlet on a side wall of the fluidized bed combustion furnace through a return feeder with which the coal ash outlet of the fluidized bed pyrolysis furnace is also connected through an external bed, and the return feeder is connected with the fluidized bed combustion furnace. A fuel coal is pyrolyzed in the fluidized bed pyrolysis furnace at a temperature to volatize alkali chlorides into a pyrolysis gas, thereby reducing the content of the alkali chlorides contained in the coal in the fluidized bed combustion furnace and relieving the contamination to a convective heat-absorbing surface. | 10-15-2015 |
Zhengrong Liu, Chengdu CN
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20120236850 | METHOD AND DEVICE FOR BUFFERING CELL BY CROSSBAR SWITCHING MATRIX - The present invention discloses a method for buffering a cell by a crossbar switching matrix, which includes: sending a jitter timestamp to a switching port connected to the crossbar switching matrix through a link, and receiving a cell that is sent by the switching port and carries the jitter timestamp, in which the jitter timestamp indicates a jitter of the link itself; and using a sum of the jitter timestamp carried in the cell and a relative delay timestamp of the corresponding link as a total timestamp, and storing the cell in a buffering unit corresponding to the total timestamp in a cell buffer of the link, in which the relative delay timestamp indicates a difference of a delay of the link relative to a delay of a lowest link. | 09-20-2012 |
20130064312 | DATA TRANSMISSION METHOD AND DEVICE - The present invention provides a data transmission method including: sending, by a transmitter, a source data frame to a receiver, and saving, the source data frame; sending, by the transmitter, other data frames to the receiver, and saving the other data frames; receiving, by the transmitter, a data retransmission notification which is related to the source data frame and sent by the receiver; and retrieving, by the transmitter, the source data frame and other data frames from a storage space, where the other data frames are sent by the transmitter to the receiver in a time period from sending the source data frame by the transmitter to receiving the data retransmission notification by the transmitter, and retransmitting the source data frame and the other data frames to the receiver. | 03-14-2013 |
Zhikun Liu, Chengdu CN
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20160023195 | Low Temperature SCR Catalyst for Denitrating Diesel Vehicle Exhaust, and Preparation Method Thereof - Provided are a low-temperature SCR catalyst for denitrating diesel vehicle exhaust, and preparation method thereof. The catalyst uses a molecular sieve as a carrier, and uses metallic elements such as copper and iron as active components. The catalyst preparation method comprises: preprocessing the molecular sieve; conducting multiple equal-volume impreparations; after impreparation, drying to dehydrate, and calcining; and finally pulping and coating to prepare the catalyst. The catalyst employs base metals such as copper and iron instead of precious metals as active components, thus reducing costs, being harmless to humans, and being environmentally friendly. The preparation method of the catalyst is simple and feasible with low requirements for raw materials, employs a repeated but small-quantity method of equal volume impregnation; and enables active ions to be dispersed more uniformly as compared with the existing conventional preparation methods, thus improving utilization and improving low-temperature catalytic activity and durability. | 01-28-2016 |
Zhiwei Liu, Chengdu CN
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20150214277 | Small-Grain Three-Dimensional Memory - The present invention discloses a small-grain three-dimensional memory (3D-MSG). Each of its memory cells comprises a thin-film diode with critical dimension no larger than 40 nm. The thin-film diode comprises at least a small-grain material, whose grain size G is substantially smaller than the diode size D. The small-grain material is preferably a nano-crystalline material or an amorphous material. The critical dimension f of the small-grain diode is smaller than the critical dimension F of the single-crystalline transistor. | 07-30-2015 |