Song Liu
Song Liu, Winnipeg CA
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20110104972 | PROTECTIVE BARRIER HAVING SELF-DECONTAMINATING PROPERTIES - A protective material includes a porous substrate having cross-linked self-decontaminating polymer grafted thereon, the cross-linked self-decontaminating polymer having been converted after grafting to activate self-decontaminating function. The cross-linked self-decontaminating polymer provides the protective material with reversible swelling ability to block the porous substrate when the protective barrier is contacted by liquids. | 05-05-2011 |
20150118179 | BIOCIDAL COMPOUNDS AND METHODS FOR USING SAME - Biocidally active cationic analogs of N-halamine having two biocidally active groups covalently bonded together in a single molecule and having general Formula (I). Compounds of Formula (I), and precursors thereof, can be in solution form immobilized onto a substrate via physical coating or covalent chemical bonding to functionalize surfaces or added into materials as additives so as to render them biocidal. The biocidal solutions and substrates comprising the compounds or precursors of the present invention can then be used to inactivate pathogenic microorganisms. N-halamine-L-QUAT (I) wherein: the N-halamine may be a cyclic or acyclic N-halamine; L is C | 04-30-2015 |
Song Liu, Saint Louis, MO US
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20110078779 | Anonymous Preservation of a Relationship and Its Application in Account System Management - Disclosed is a system or method of using hash functions to preserve a relationship. A relationship is anonymously preserved by storing the hash result of a relationship token that comprises a finite set of values of a plurality of objects. Specifically, an account anonymous identifier of an account can be produced by hashing a relationship token that comprises identity information of an owner of said account. A party that has enough knowledge of an account owner can independently produces said account anonymous identifier and therefore, securely communicates with a specific account without prior communication or a password. An account owner can further prove his/her ownership of an account by submitting related documents and a relationship token that comprises his/her identity information to an account system. | 03-31-2011 |
Song Liu, Cupertino, CA US
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20090195943 | Overvoltage Protection Circuit with Reduced Sensitivity to Process Variations - An overvoltage protection circuit includes a shunt circuit adapted for connection to at least one circuit node to be protected from an overvoltage condition and a voltage generator coupled to the shunt circuit. The shunt circuit is selectively activated as a function of a control signal supplied to the shunt circuit. The voltage generator is operative to generate the control signal for activating the shunt circuit during the overvoltage condition. The control signal has a level which varies in a manner that at least partially changes offsets in activation threshold of the shunt circuit. | 08-06-2009 |
20100283535 | System and Method for a Reference Generator - In one embodiment, a circuit for generating a reference voltage between a first output and a second output, has a first follower transistor that includes a first control node, a first follower node coupled to a first output, and a first supply node, and a second follower transistor that includes a second control node, a second follower node coupled to a second output and a second supply node. A first voltage drop circuit is coupled between a circuit supply node and the second supply node. The circuit is biased such that the voltage between the circuit supply node and the second supply node is greater than the voltage between the circuit supply node and the first supply node, and such that the voltage between the circuit supply node and the second control node is greater than the voltage between the circuit supply node and the first control node. | 11-11-2010 |
Song Liu, Shandong CN
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20100168407 | Quaternized Carboxymethyl Chitosan Derivatives and Preparation Method Thereof - The invention relates to a novel kind of chitosan derivative, specifically to quaternized carboxymethyl chitosand derivatives and preparation method. Chitosan with different molecular weight reacts with chloroactic acid give rise to carboxymethyl chitosan. After reaction of Schiff based, deoxidized and quaternized, quaternized carboxymethyl chitosan is obtained. This kind of chitosan derivative have better water-solubility and better antifungal activity, which can used in the fields of medicine and agriculture. | 07-01-2010 |
20140141724 | NOISE CANCELING SYSTEM AND METHOD, SMART CONTROL METHOD AND DEVICE AND COMMUNICATION EQUIPMENT - The present invention discloses a noise canceling system and method, a smart control method and device and a communication equipment. Said smart control method includes: when it is detected there is no voice signal output at a receiving end of a communication equipment, receiving an outside noise signal from a reference microphone away from ears and a detection signal from a monitoring microphone near ears; implementing performance analysis on said received outside noise signal and said detection signal to estimate a noise reduction performance curve after said feed-forward active noise cancellation; and regulating parameters of the control circuit in said feed-forward active noise cancellation according to said estimated noise reduction performance curve and the preset noise reduction performance curve to make a difference between said estimated noise reduction performance curve and said preset noise reduction performance curve within a preset range. | 05-22-2014 |
Song Liu, Beijing CN
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20100071897 | METHOD FOR OPTIMIZING WELL PRODUCTION IN RESERVOIRS HAVING FLOW BARRIERS - Computer-implemented systems and methods are provided for optimizing hydrocarbon recovery from subsurface formations, including subsurface formations having bottom water or edgewater. A system and method can be configured to receive data indicative of by-pass oil areas in the subsurface formation from reservoir simulation, identify flow barriers in the subsurface formation based on the by-pass oil areas identified by the reservoir simulation, and predict the lateral extension of the identified flow barriers in the subsurface formation. Infill horizontal wells can be placed at areas of the subsurface formation relative to the flow barriers such that production from a horizontal well in the subsurface formation optimizes hydrocarbon recovery. | 03-25-2010 |
20150339466 | Unlocking An Apparatus - An apparatus, method, and computer program product for: receiving a user input comprising an unlock sequence; comparing the user input to a predefined unlock sequence comprising a static part and a dynamic part; in response to determining that a first part of the user input complies with the static part of the predefined unlock sequence, performing an unlock operation; and in response to determining that a second part of the user input complies with the dynamic part of the predefined unlock sequence, performing an action based on the second part of the user input. | 11-26-2015 |
20150341040 | Clock Generator and Switch-capacitor Circuit Comprising the Same - The invention provides a clock generator and a switch-capacitor circuit comprising the same, and pertains to the technical field of integrated circuit (IC) design. The clock generator comprises a non-overlapping clock signal generating module and a ring oscillator, a frequency detecting module, a comparator module and a programmable biasing signal generating module for forming a feedback circuit, wherein a biasing signal generated by the programmable biasing signal generating module is fed back and input to the ring oscillator so as to adjust the frequency of the third clock signal output by the ring oscillator, until the frequency of the third clock signal is compared as being substantially equal to the frequency of a standard clock signal in the comparator module. Moreover, the biasing signal can be fed back and input to the non-overlapping clock signal generating module so as to reduce the offset of the two phase clock time interval τ. The time interval τ between two phase clocks of the multiple phase non-overlapping clock signal output by the clock generator is stable and has a high accuracy, and the switch-capacitor circuit using the clock generator exhibits an excellent performance. | 11-26-2015 |
20150346961 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING A RECOMMENDATION FOR AN APPLICATION - Provided herein are a method, apparatus and computer program product for providing a recommendation for an application in response to determining that an application that was initiated was not an intended application. In particular, methods may include receiving a first input corresponding to the initiation of a first application, initiating the first application in response to receiving the first input, receiving an indication of a closure of the first application, and determining that the closure of the first application occurred meeting one or more predetermined conditions. The method may cause a recommendation to be provided of at least a second application in response to determining that the closure of the first application occurred meeting one or more predetermined conditions. | 12-03-2015 |
20160028412 | PIPELINED ANALOG-TO-DIGITAL CONVERTER - The invention provides a pipelined analog-digital converter (ADC) and pertains to the technical field of integrated circuit (IC) design. The pipelined ADC at least comprises: a sampling holder, n multiplier digital-analog converters that are connected stage by stage, a clock generator, a reference generator and a digital encoder, wherein at least the sampling holder and n multiplier digital-analog converters are substantially arranged in a loop so as to form an intermediate area in an encircling manner; the clock generator and the reference generator are disposed in the intermediate area so that the clock generator and the reference generator respectively provide corresponding signal inputs to the surrounding n multiplier digital-analog converters in a star connection. The pipelined ADC has an excellent performance and is in particular applicable to high speed/high accuracy application. | 01-28-2016 |
Song Liu, San Diego, CA US
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20100056506 | SUBSTITUTED 2-AMINO-FUSED HETEROCYCLIC COMPOUNDS - The present invention relates to compounds of formula (I), or a pharmaceutically acceptable salt or solvate thereof, wherein: R | 03-04-2010 |
20120035194 | SUBSTITUTED 2-AMINO-FUSED HETEROCYCLIC COMPOUNDS - The present invention relates to compounds of formula (I), | 02-09-2012 |
Song Liu, Shenzhen CN
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20090041988 | HOUSING FOR ELECTRONIC DEVICE AND METHOD FOR MAKING THE SAME - An exemplary housing includes a light metal base and a ceramic film. The light metal base has an outer surface. The ceramic film is formed on the outer surface of the light metal base by micro-arc oxidation process. A method for making the present housing is also provided. | 02-12-2009 |
20120170631 | METHOD, APPARATUS, AND SYSTEM FOR MEASURING ASYMMETRIC DELAY OF COMMUNICATION PATH - A method for measuring the asymmetric delay of a communication path includes: sending, by a first node, a first delay measurement message to a second node whose local clock is synchronized with the first node; receiving, by the first node, a second delay measurement message sent by the second node; calculating, according to time when the first delay measurement message is sent by the first node and time when the second node receives the first measurement message, a communication path delay in a direction towards the second node; calculating, according to time when the second node sends the second delay measurement message and time when the second measurement message is received by the first node, a communication path delay in a direction leaving the second node; and obtaining a measured value of the asymmetric delay of the communication path according to the communication path delays in the two directions. | 07-05-2012 |
20140173736 | Method and system for detecting webpage Trojan embedded - The present disclosure is applicable to the field of computer security technology and provides a method and system for detecting webpage Trojan embedded. The method includes: obtaining webpage contents; parsing the obtain webpage contents, and extracting script objects; constructing an object execution engine to simulate the execution of the contents of the script objects; monitoring the simulation execution of the contents of the objects, and when an abnormal behaviour occurs, determining that the contents of the objects contain dangerous data. The present disclosure can effectively improve the efficiency of webpage Trojan embedded detection, and reduce the undetected rate and the error rate of webpage Trojan embedded detection. | 06-19-2014 |
20160080100 | METHOD FOR PRECISION TIME PROTOCOL SYNCHRONIZATION NETWORK AND APPARATUS - Embodiments relate to the field of communications, and provide a method for a PTP synchronization network and an apparatus, which help to reduce costs of obtaining performance of a Precision Time Protocol synchronization network. The method includes: executing, by a slave clock apparatus, an operation of time synchronization with a first apparatus according to the PTP through a first port; setting a state of a second port of the slave clock apparatus to slave; obtaining information required for determining a time offset between the slave clock apparatus and a second apparatus; determining an offset according to the information; if an absolute value of the offset is greater than a threshold, determining that time synchronization performance of a first link is faulty or time synchronization performance of a second link is faulty; and sending a message to a third apparatus. | 03-17-2016 |
Song Liu, Nanjing CN
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20110137983 | Realization to the Great Volume of Data Based Dynamic Policy - The innovation provided an approach to the great volume of data based dynamic policy model, which consists of the steps as the following: 1) User registration in the Differentiation Access & Application Control System (DACS); 2) After user log in Radius system, the user profile is delivered to DACS system where user profile can be recorded; 3) After logging in DACS system, user has option to subscribe the policy for the bandwidth, and the DACS system record the subscribed policy information; 4) User requests to use the subscribed policy via the interface provided by DACS system; 5) After receiving policy requests from user, the DACS system creates a thread which dispatches the policy ordered by subscriber. After finishing above, the result will be returned to subscriber. The innovation supports dynamic policy dispatch in real-time manner for the large number of subscribers, specified bandwidth and QoS according to the service, thus the change from bandwidth control to the dynamic policy model for the service control is realized. | 06-09-2011 |
Song Liu, Evanston IL
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20110231601 | PROVIDING HARDWARE RESOURCES HAVING DIFFERENT RELIABILITIES FOR USE BY AN APPLICATION - Power management functionality is described for implementing an application in an energy-efficient manner, without substantially degrading overall performance of the application. The functionality operates by identifying at least first data and second data associated with the application. The first data is considered to have a greater potential impact on performance of the application compared to the second data. The functionality then instructs a first set of hardware-level resources to handle the first data and a second set of hardware-level resources to handle the second data. The first set of hardware-level resources has a higher reliability compared to the second set of hardware-level resources. In one case, the first and second hardware-level resources comprise DRAM memory units. Here, the first set of hardware-level resources achieves greater reliability than the second set of hardware-level resources by being refreshed at a higher rate than the second set of hardware-level resources. | 09-22-2011 |
Song Liu, Weifang CN
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20120136654 | Apparatus And Method For Cancelling Echo In Joint Time Domain And Frequency Domain - Disclosed in the present invention is a method for cancelling echo in joint time domain and frequency domain. The method includes: receiving an input receiver signal and an input transmitter signal; implementing echo cancellation on the received transmitter signal, based on the received receiver signal, by using a first echo canceller which is either a time domain echo canceller or a frequency domain echo canceller, to obtain a first echo-cancelled signal; implementing echo cancellation again on the first echo-cancelled signal, based on the received receiver signal, by using a second echo canceller which is the other one of the time domain echo canceller and the frequency domain echo canceller, to obtain a second echo-cancelled signal; wherein, the filter parameters of the second filter of the second echo canceller is updated based on the second echo-cancelled signal, and the first and second echo canceller respectively include the corresponding first and second filters. By using said method in the present invention, fast response to echo reflecting environment can be achieved with little residual echo, thus the effect of echo cancellation is entirely improved. | 05-31-2012 |
20130024194 | SPEECH ENHANCING METHOD AND DEVICE, AND NENOISING COMMUNICATION HEADPHONE ENHANCING METHOD AND DEVICE, AND DENOISING COMMUNICATION HEADPHONES - The present invention discloses a speech enhancing method, a speech enhancing device and a denoising communication headphone. In the solutions of the present invention, a first sound signal that comprises a user's speech signal transmitted through coupling vibration and an ambient noise signal transmitted through the air and a second sound signal that is mainly an ambient noise signal transmitted through the air are picked up by a primary vibration microphone and a secondary vibration microphone, respectively, that have a specific relative positional relationship therebetween, and the ambient noise signals picked up by the two vibration microphones are correlated with each other; a control parameter used to control an updating speed of an adaptive filter is determined according to the first sound signal and the second sound signal; the first sound signal is denoised and filtered according to the second sound signal and the control parameter; and the denoised and filtered speech signal is further denoised and speech high-frequency enhancement is performed thereon. The technical solutions of the present invention can effectively improve the signal to noise ratio (SNR) and the quality of speech in an environment of highly intense noises. | 01-24-2013 |
20130151247 | METHOD AND DEVICE FOR SUPPRESSING RESIDUAL ECHOES - The present invention discloses a method and a device for suppressing residual echoes. The method comprises: performing adaptive filtering on M transmitter signals respectively to obtain M adaptive filtered signals; performing array-filtering on the M−1 adaptive filtered signals other than the first adaptive filtered signal to obtain M−1 array-filter output signals; subtracting each of the M−1 array-filter output signals from the first adaptive filtered signal respectively to obtain M−1 difference signals, performing time-domain/frequency-domain conversion on the M−1 difference signals respectively and selecting one of the frequency-domain signals that has the least energy; performing time-domain/frequency-domain conversion on the first adaptive filtered signal and the M | 06-13-2013 |
20140172421 | SPEECH ENHANCING METHOD, DEVICE FOR COMMUNICATION EARPHONE AND NOISE REDUCING COMMUNICATION EARPHONE - The present invention provides a speech enhancing method for communication earphone including two parts: sending end noise reduction processing and receiving end noise reduction processing, wherein the sending end noise reduction processing part includes: determining a wearing condition of the earphone by comparing energy difference of sound signals picked up by microphones of the communication earphone; if the earphone is normally worn, subjecting the sound signal first to multi-microphone noise reduction and then to single channel noise reduction to further suppress residuary stationary noise; otherwise suppressing stationary noise in the sound signal by single channel noise reduction directly. | 06-19-2014 |
Song Liu, Weifang City CN
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20130142349 | METHOD, DEVICE AND SYSTEM FOR ELIMINATING NOISES WITH MULTI-MICROPHONE ARRAY - To solve the problems with the prior art that a multi-microphone array cannot inhibit broad-band noises well and cannot be used in the increasingly widespread broad-band communication, embodiments of the present invention disclose a method, a device and a system for eliminating noises with multi-microphone array. The method according to an embodiment of the present invention comprises according to the number of different spacings between each of pairs of microphones of the multi-microphone array, dividing a full frequency band into the same number of sub-bands; decomposing signals of each of the pairs of microphones with the different spacings into a corresponding one of the sub-bands, wherein the larger the spacing between each pair of microphones is, the lower the frequencies of the sub-band into which the signals of the pair of microphones are decomposed will be; adaptively reducing the noises in the decomposed signals of each of the pairs of microphones with the different spacings in the corresponding sub-band to obtain noise-reduced signals for each of the sub-bands; and synthesizing the noise-reduced signals of each of the sub-bands to obtain a signal in which the noises have been reduced with the multi-microphone array in the full frequency band. The embodiments of the present invention can be used in scenarios of hands-free video calls. | 06-06-2013 |
20140146973 | Test Device And Test Method For Active Noise Reduction Headphone - The present invention discloses a test device and test method for the noise reduction headphone. The test device comprises: an enclosed cavity, a noise source, a test panel, a measuring microphone and a measure comparison module connected with the measuring microphone. The sound emitted from the noise source is sealed within the enclosed cavity. The test panel can cooperate with the noise reduction headphone to form a coupling cavity in the test. The test panel has a sound guiding hole in the common part with the enclosed cavity for transmitting the sound of the noise source into the interior of the coupling cavity. The test panel also has a mounting hole, and the measuring microphone is mounted on the mourning hole towards the direction of the coupling cavity. The measuring microphone records noise signals before and after the noise reduction function of the noise reduction headphone is activated. The measure comparison module receives the signals recorded these two times by the measuring microphone and performs comparison processing to obtain noise reduction amount of the noise reduction headphone. The technical solution of the present invention solves the problem of noise pollution caused by high-power external noise sources to the surrounding environment during the test process of noise reduction amount of the headphone, meanwhile, no special shielding room is required, and the requirement on test environment is relieved. | 05-29-2014 |
Song Liu, Fremont, CA US
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20140052764 | File Storage System Based on Coordinated Exhaustible and Non-Exhaustible Storage - A file storage system may be implemented by coordinating non-exhaustible and exhaustible storage devices. The exhaustible storage devices may be lower grade flash based storage devices. The non-exhaustible storage devices may be storage devices based on magnetic recording mechanisms or higher grade flash storage. The file storage system may store received content items on the exhaustible storage devices. The file storage system may additionally store metadata for the content items and/or the file storage system on the non-exhaustible storage devices. During operation, the file storage system may globally optimize the content items on the exhaustible storage devices such that more heavily accessed items are moved to exhaustible storage devices that have experienced relatively few data operations. The file storage system can move less frequently accessed content items to exhaustible storage devices that have experienced a relatively large number of data operations. As such, the operation lifetime of the exhaustible storage devices as a whole can be prolonged. | 02-20-2014 |
20150052180 | FILE STORAGE SYSTEM BASED ON COORDINATED EXHAUSTIBLE AND NON-EXHAUSTIBLE STORAGE - A file storage system may be implemented by coordinating non-exhaustible and exhaustible storage devices. The exhaustible storage devices may be lower grade flash based storage devices. The non-exhaustible storage devices may be storage devices based on magnetic recording mechanisms or higher grade flash storage. The file storage system may store received content items on the exhaustible storage devices. The file storage system may additionally store metadata for the content items and/or the file storage system on the non-exhaustible storage devices. During operation, the file storage system may globally optimize the content items on the exhaustible storage devices such that more heavily accessed items are moved to exhaustible storage devices that have experienced relatively few data operations. The file storage system can move less frequently accessed content items to exhaustible storage devices that have experienced a relatively large number of data operations. As such, the operation lifetime of the exhaustible storage devices as a whole can be prolonged. | 02-19-2015 |
Song Liu, Mountain View, CA US
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20140067778 | SELECTIVE OFFLINING STORAGE MEDIA FILESYSTEM - A method of operation of a storage control system includes: configuring a state change policy on a data server, the state change policy including an online duration for a storage device; activating the storage device based on the state change policy; mounting the storage device based on the state change policy; and scheduling a filesystem maintenance task to be performed on the storage device based on the state change policy. | 03-06-2014 |
Song Liu, Wuhan CN
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20140091251 | SLOW RELEASE ANTI-ICING MATERIAL FOR BITUMINOUS PAVEMENT AND PREPARATION METHOD THEREOF - A slow release anti-icing material for a bituminous pavement and a method of manufacturing the same. The material includes X, Y and Z components. The X component is a chloride of 80-95 parts. The Y component comprises sodium silicate sodium gluconate and zinc dihydrogen phosphate. The Z component is an acrylate polymer obtained from polymerization of an acrylate monomer, as a cross-linking agent, and a hydrogen containing silicone oil. The manufacturing method includes preparing the X component, preparation the Y component, mixing the X component and the Y component evenly, and encapsulating the surface of the mixture of component X and Y by the component Z evenly through polymerization, to produce the slow release anti-icing material for a bituminous pavement. The anti-icing effects are remarkable for the bituminous pavement, and the material has effects of completely preventing the pavement from icing at −5 to 0° C. | 04-03-2014 |
Song Liu, Fayetteville, AR US
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20130149693 | MANAGEMENT OF ETHANOL CONCENTRATION DURING SYNGAS FERMENTATION - A process is provided for management of ethanol concentration during syngas fermentation. A process for fermentation of syngas includes inoculating a medium to provide an inoculated medium. Inoculated medium is contacted with syngas and cells and medium are removed and separated to provide concentrated cells and permeate. Ethanol is separated from the permeate to provide ethanol and a reduced ethanol aqueous stream. The reduced ethanol aqueous stream is returned to the fermentation. | 06-13-2013 |
20130316422 | Method of Operation of A Syngas Fermentation Process - A process is provided for fermentation of syngas that is effective for reducing conductivity and providing an alcohol STY of about 10 g ethanol/(L·day). The process includes introducing the syngas into a reactor vessel and providing a nitrogen feed rate to the reactor vessel of about 100 mg or more nitrogen/gram of cells produced. Fermentation of the syngas is effective for providing a fermentation medium having an average conductivity of about 16 mS/cm or less and an STY of 10 g ethanol/(L·day) or more. | 11-28-2013 |
20140308723 | PROCESS FOR FERMENTING CO-CONTAINING GASEOUS SUBSTRATES - A process provides high ethanol productivity levels during fermentation of a CO-containing substrate. The process controls CO-substrate feed rates and cell density to avoid culture upset and CO inhibition. The process includes fermenting a CO-containing gaseous substrate to obtain a target cell density and a target CO feed rate, and then periodically reducing and increasing the CO feed rate. | 10-16-2014 |
20140363866 | CONTROL OF CONDUCTIVITY IN ANAEROBIC FERMENTATION - Process are provided which are effective for controlling medium conductivity during fermentation of a CO-containing gaseous substrate while providing an STY of about 10 g ethanol/(L·day) or more. The process includes balancing medium conductivity, specific carbon uptake or cell density levels. | 12-11-2014 |
20140363867 | PROCESS FOR FERMENTING CO-CONTAINING GASEOUS SUBSTRATES IN A LOW PHOSPHATE MEDIUM EFFECTIVE FOR REDUCING WATER USAGE - A process is provided for fermenting CO-containing gaseous substrates in a low phosphate medium. The process includes blending a liquid medium that includes at least one transition metal element with a liquid medium that includes at least at least one other transition metal element and one non-metal element to provide a fermentation medium. The process is effective for preventing precipitation of one or more transition metal elements with one or more non-metal elements. The fermentation medium used in the process is prepared in a way that requires significantly lower amounts of water and reduced levels of phosphate. | 12-11-2014 |
20160047007 | PROCESS FOR CONTROLLING FERMENTATION OF CO-CONTAINING SUBSTRATES - A process for stable fermentation of CO-containing substrates and improved ethanol productivity includes providing medium components in amounts needed by microorganisms in the fermentation. The process includes determining a potassium concentration in the fermentation medium and providing a first medium and a second medium to the fermentation, the first medium provided at a rate effective for maintaining the potassium in the fermentation medium in a range of about 20 to about 200 mg/L until reaching a target cell density. | 02-18-2016 |
Song Liu, Dublin, CA US
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20140194069 | Methods for Testing Receiver Sensitivity of Wireless Electronic Devices - A test system may include test equipment for testing the radio-frequency performance of wireless electronic devices. The test equipment may provide radio-frequency downlink signals to a wireless electronic device under test (DUT). The test equipment may perform a power sweep by stepping down the downlink signals in signal power level to test receiver sensitivity for the DUT. The DUT may gather measurement data from the downlink signals. The test equipment may retrieve measurement data from the DUT after downlink signal transmission has ended. The test equipment may identify a trigger in the retrieved measurement data to ensure that the data is synchronized with the power sweep in the transmitted downlink signals. The test equipment may identify path loss information associated with the test system. The test equipment may compute receiver sensitivity values for the DUT based on the path loss information and retrieved measurement data. | 07-10-2014 |
20140315495 | Systems and Methods for Predictive Radio-Frequency Testing of Electronic Devices - A test system may test the radio-frequency (RF) performance of wireless electronic devices under test (DUTs). The RF performance of the DUTs may be characterized by a set of performance metrics. The test system may obtain correlation information for each performance metric in the set of performance metrics. The correlation information may identify predictor performance metrics and associated dependent performance metrics in the set of performance metrics. The test system may gather measurement data from a selected DUT by measuring the predictor performance metrics on the selected DUT. The production test station may generate a conditional probability distribution for the dependent performance metric given the measurement data and the correlation information. The production test station may determine whether to omit testing of the dependent performance metric for the selected DUT by comparing an area under the conditional probability distribution for the dependent performance metric to a predetermined threshold. | 10-23-2014 |
Song Liu, Stanford, CA US
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20140256786 | COMPOSITIONS AND METHODS FOR TREATMENT OF MITOCHONDRIAL DISEASES - Methods and compositions are provided for the treatment of a mitochondrial disease in an individual with the mitochondrial disease. Aspects of the methods include administering an inhibitor of a mitochondrial transport protein to a subject having a mitochondrial disease. Also provided are reagents and kits for practicing the subject methods. | 09-11-2014 |
Song Liu, Wuxi CN
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20140322788 | method for increasing protein thermal stability - The invention provides a simple and effective method for increasing thermal stability of a wide range of proteins, comprising fusing a self-assembling amphipathic peptide to the C- or N-terminal of target proteins. The fusion protein can have a half life up to 26 times longer than that of the wild type protein. | 10-30-2014 |
Song Liu, Shenzhen City CN
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20140324426 | REMINDER SETTING METHOD AND APPARATUS - The present invention, pertaining to the field of speech recognition, discloses a reminder setting method and apparatus. The method includes: acquiring speech signals; acquiring time information in speech signals by using keyword recognition, and determining reminder time for reminder setting according to the time information; acquiring text sequence corresponding to the speech signals by using continuous speech recognition, and determining reminder content for reminder setting according to the time information and the text sequence; and setting a reminder according to the reminder time and the reminder content. According to the present invention, acquiring time information in speech signals by using keyword recognition ensures correctness of time information extraction, and achieves an effect that correct time information is still acquired by keyword recognition to set a reminder even in the case that a recognized text sequence is incorrect due to poor precision in whole text recognition in the speech recognition. | 10-30-2014 |
Song Liu, Shanghai CN
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20150154323 | HORIZONTAL OPTIMIZATION OF TRANSPORT ALIGNMENTS - A method, apparatus, system, article of manufacture, and computer program product provide the ability to optimize a transport alignment. Terrain data, constraint data, and cost data are read. Terrain pixels having elevation values are organized and stored in a first grid structure with rows and columns that enable efficient access to each terrain pixel. One or more raster layers of a same dimension and orientation as the first grid structure are created. A starting alignment is obtained. The starting alignment is then optimized using the one or more raster layers. | 06-04-2015 |
Song Liu, Beijiing CN
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20150365375 | DELIVERY OF A MEDIA ITEM - An approach for delivery and sharing a media item is provided. In an example embodiment, the approach provides a first arrangement that comprises obtaining one or more media items associated with a first client, obtaining one or more unique identifiers, each associated with at least one media item of the one or more media items and providing said one or more unique identifiers to at least one second client to enable identification of the one or more media items. In another example embodiment the approach further provides a second arrangement that comprises comprising obtaining one or more unique identifiers, each associated with at least one media item of one or more media items, wherein the one or more media items are associated with a first client, determining whether the one or more media items having said one or more unique identifiers associated therewith are already available for at least one second client at an apparatus, requesting, in response to one or more of the one or more media items having said one or more unique identifiers associated therewith not being available for the at least one second client at the apparatus, the respective one or more media items from the first client, and associating the one or more media items with said first client. | 12-17-2015 |
Song Liu, Suzhou CN
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20160086748 | HEART-SHAPED SELF-LOCKING BUTTON - A heart-shaped self-locking button includes one housing and one push rod. The push rod is slidably arranged within the housing. A heart-shaped structure is formed on the push rod. The button includes one pin and one flexible element. One end of the pin is fixed on the housing, while the other end is fitted with the heart-shaped structure. The flexible element is arranged between the housing and the push rod and presses the pin towards the heart-shaped structure to allow the pin to be in constant contact with the heart-shaped structure. The heart-shaped structure is arranged on the push rod. Also, the flexible element between the housing and the push rod is utilized to press the pin towards the heart-shaped structure on the push rod to allow the pin to be in constant contact with the heart-shaped structure when moving. | 03-24-2016 |
Song Liu, Weifang City, Shandong Province CN
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20160134986 | Method And System For Achieving Self-Adaptive Surround Sound - A method and a system for achieving a self-adaptive surround sound. The method comprises: recognizing specific positions of a room and a user in the room by using an object recognition technology, capturing focusing images of recognized objects by controlling a camera using a focusing control technology, and recording corresponding focusing parameters (S | 05-12-2016 |