Jianqing
Jianqing Chen, Shenzhen CN
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20100134589 | VIDEOCONFERENCE SYSTEM AND MANAGEMENT METHOD THEREOF - A videoconference system and a management method thereof are provided. The videoconference system includes: terminals; multipoint control units (MCUs), as the superior level for the terminals, for controlling the corresponding terminals; conference management systems, as the superior level for the MCUs, for performing dispatching and control for the local conference site; and conference coordination systems, as the superior level for the conference management systems, for coordinating corresponding conference management systems and neighboring conference coordination systems to perform dispatching and control for the entire conference. The videoconference management method includes: a subscriber requesting for conference dispatching to the home conference management system; the home conference management system managing the corresponding local conference site directly at the dispatching request, and transferring the dispatching across conference management systems to the corresponding conference coordination system; and the conference coordination system dispatching the corresponding master and slave conference management systems at the dispatching request. | 06-03-2010 |
Jianqing Fu, Langfang CN
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20140283548 | SYSTEM AND METHOD FOR LIQUEFYING NATURAL GAS USING SINGLE MIXED REFRIGERANT AS REFRIGERATION MEDIUM - A system and a method for liquefying natural gas using single mixed refrigerant as refrigeration medium are provided. The system comprises a two-stage mixed refrigerant compressor ( | 09-25-2014 |
Jianqing Hu, Suzhou CN
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20150055030 | TOUCH SURFACE FOR AN ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - Embodiments provide a touch surface that can be integrated into an electronic device. User input can be received via the touch surface (e.g., a touchscreen, a key cap). The touch surface can include a substrate, a rigid layer for maintaining the contours of the substrate, and a surface layer deposited over the rigid layer for adjusting the surface energy of the touch surface. The substrate can be made with plastic; the rigid layer can be a diamond-like carbon (DLC) coating; and the surface layer can be comprised of fluoro- or silicon-rich molecules. The DLC can be deposited over the plastic substrate via physical vapor deposition (PVD) while the surface layer can be deposited over the DLC via a chemical vapor deposition (CVD). The touch surface can be constructed using different layers of material and using different methods to improve the longevity of the touch surface against repeated use and wear. | 02-26-2015 |
Jianqing Li, Shijiazhuang CN
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20080305163 | BUTYLPHTHALIDE SOFT GEL CAPSULE AND ITS PREPARATION PROCEDURE - The present invention discloses a novel dosage form of butylphthalide soft capsule and its preparation procedure. Butylphthalide soft capsule is composed of a coating material and a drug-containing oil. The drug-containing oil is basically composed of butylphthalide and diluent—vegetable oil, wherein the weight ratio of butylphthalide to oil ranges from 1:0 | 12-11-2008 |
Jianqing Li, Taipa MO
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20140352442 | Vibration Detection System Based on Biconical Tapered Fiber and the Method thereof - A vibration detection system comprises a light source, a biconical tapered fiber comprising a biconical fiber taper and a detector is disclosed. The emission light emitted by the light source is directed to the biconical tapered fiber in one side. A detector is coupled to the other end of the biconical tapered fiber to measure the intensity of the light passing through. When the biconical tapered fiber is exposed to an external vibration, the biconical fiber taper deforms and modulates the light intensity accordingly. The received signal is then fed to the microcomputer to determine the amplitude and frequency of the external vibration. A method of vibration detection is also disclosed. | 12-04-2014 |
20140354979 | Optical Refractive Index Measuring System Based on Speckle Correlation - An optical detection system for measuring a refractive index of a liquid analyte comprising a light transmitting assembly fiber, which includes a single-mode fiber, an optical fiber sensing module and a multi-mode fiber. The optical detection system is configured to emit a coherent light beam to one end of the assembly fiber; and a detector is configured to capture a specklegram from an exit end of the assembly fiber. When the optical detection system is in operation, the optical fiber sensing module is configured to be submerged into the liquid analyte. By analyzing the correlation between the specklegram corresponding to the liquid analyte and the reference specklegram, the refractive index of the liquid analyte can be obtained. | 12-04-2014 |
Jianqing Lin, Pleasanton, CA US
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20080205103 | POWER FACTOR CONTROL SYSTEMS AND METHODS - A boost converter comprises an inductance that receives an input signal. A switch controls current supplied via the inductance to a load. A power factor control module comprises a mode control module that selects an operating mode of the boost converter and a switch control module that switches the switch at a frequency. The frequency is equal to a first frequency when the mode control module selects a continuous mode and equal to a second frequency when the mode control module selects a discontinuous mode. The first frequency is greater than the second frequency. | 08-28-2008 |
20100079081 | Light-Emitting Diode (LED) Driver and Controller - Apparatuses, methods, systems, and circuits for light-emitting diode (LED) control are disclosed. In one embodiment, an LED control circuit can include a first pin receiving an input voltage supply; a second pin receiving a primary signal from a primary winding of a transformer coupled to the LED; a third pin coupled to a ground supply; and logic configured to estimate an output current and/or output voltage at the LED coupled to a secondary winding of the transformer from the input voltage supply and the primary signal. | 04-01-2010 |
20100090671 | Intelligent Switching Controller and Power Conversion Circuits and Methods - In one embodiment, the present invention includes a circuit comprising a voltage estimation circuit to receive a first voltage and generate an estimation of an output voltage of a power conversion circuit based on the first voltage. The first voltage is from a circuit node between a first terminal of a switch and a first terminal of an inductor. The circuit further comprises a current estimation circuit to receive a first current and generate an estimation of an output current of the power conversion circuit based on the first current. The first current is a current through the switch. The circuit further comprises a pulse width modulation circuit to produce a pulse width modulated signal based on the estimation of an output voltage and the estimation of an output current. | 04-15-2010 |
20110026284 | Power Factor Control Systems and Methods - A boost converter comprises an inductance that receives an input signal. A switch controls current supplied by the inductance to a load. A power factor control module comprises a mode control module that selects an operating mode of the boost converter and a switch control module that switches the switch at a frequency. The frequency is equal to a first frequency when the mode control module selects a continuous mode and equal to a second frequency when the mode control module selects a discontinuous mode. The first frequency is greater than the second frequency. | 02-03-2011 |
20120134187 | POWER FACTOR CONTROL SYSTEMS AND METHODS - A boost converter comprises an inductance that receives an input signal. A switch controls current supplied by the inductance to a load. A power factor control module comprises a mode control module that selects an operating mode of the boost converter and a switch control module that switches the switch at a frequency. The frequency is equal to a first frequency when the mode control module selects a continuous mode and equal to a second frequency when the mode control module selects a discontinuous mode. The first frequency is greater than the second frequency. | 05-31-2012 |
20130113451 | INTELLIGENT SWITCHING CONTROLLER AND POWER CONVERSION CIRCUITS AND METHODS - A power conversion circuit comprising a voltage estimation circuit, a current estimation circuit, and a pulse width modulation circuit. The voltage estimation circuit is configured to receive a voltage corresponding to an input of an inductor of the power conversion circuit and generate an estimate of an output voltage of the power conversion circuit based on the voltage. The current estimation circuit is configured to receive a current corresponding to a switch connected in series with the inductor and generate an estimate of an output current of the power conversion circuit based on the current. The pulse width modulation circuit is configured to produce a pulse width modulated signal based on the estimate of the output voltage and the estimate of the output current. | 05-09-2013 |
20140204640 | METHOD AND APPARATUS FOR CHANGING A FREQUENCY OF A SWITCH PRIOR TO A LEVEL OF CURRENT RECEIVED FROM AN INDUCTOR DECREASING TO A PREDETERMINED LEVEL - A controller including a switch, a first module, a second module, and a control module. The switch receives current from an inductor and bypasses a portion of the current from being received by a load. The switch is cycled between a first state and a second state at a frequency. The first module, for a first cycle of the switch, determines a first amount of time the switch is in the first state. The second module, based on the first amount of time, determines a second amount of time for a level of the current to decrease to a predetermined level. The second amount of time begins during the first cycle and when the switch transitions from the first state to the second state. The control module, based on the second amount of time and prior to the current decreasing to the predetermined level, changes the frequency of the switch. | 07-24-2014 |
20140285169 | SYSTEMS AND METHODS FOR ESTIMATING AN OUTPUT CURRENT OF A POWER CONVERSION CIRCUIT - A controller for a power conversion circuit that includes an inductor, a diode, and a switch. The controller includes a counter configured to determine, based on a first voltage input to the inductor, an on-time of the diode. The on-time of the diode corresponds to an amount of time that the diode is conducting a first current to a load of the power conversion circuit. A current estimation circuit configured to estimate, based on the on-time of the diode and an on-time of the switch, an output current of the power conversion circuit. The on-time of the switch corresponds to an amount of time that the switch is conducting a second current. A pulse width modulator is configured to provide, based on the estimated output current, a gate drive signal to the switch. The gate drive signal selectively transitions the switch between an on state and an off state. | 09-25-2014 |
Jianqing Shen US
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20150292587 | IMPACT RELIEVING DEVICE - An impact relieving device includes an impact portion and a fixed portion. The impact relieving device has an integral structure that is formed by one-step extrusion molding. The impact portion includes an inner layer and an outer layer. The inner layer and the outer layer are separated by a separation rib to form a cavity. The outer layer of the impact portion is arc-shaped, and an arc surface protrudes outwards. The impact relieving device has low manufacturing cost, is easy to manufacture and install, has a simple structure, and can effectively relieve an impact force. | 10-15-2015 |
Jianqing Shen, Tongxiang City, Zhejiang CN
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20150292587 | IMPACT RELIEVING DEVICE - An impact relieving device includes an impact portion and a fixed portion. The impact relieving device has an integral structure that is formed by one-step extrusion molding. The impact portion includes an inner layer and an outer layer. The inner layer and the outer layer are separated by a separation rib to form a cavity. The outer layer of the impact portion is arc-shaped, and an arc surface protrudes outwards. The impact relieving device has low manufacturing cost, is easy to manufacture and install, has a simple structure, and can effectively relieve an impact force. | 10-15-2015 |
Jianqing Xu, Beijing CN
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20080234215 | DNA composition and uses thereof - A plasmid DNA that encodes one or more antigenic genes operably linked to a promoter and a truncated retroviral 3′ LTR exhibits both enhanced safety and acceptable efficiency of expression of antigenic proteins. | 09-25-2008 |
Jianqing Xu, Suzhou City CN
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20140286993 | IMMUNE METHODS AGAINST INFLUENZA VIRUSES AND COMBINATORIAL VACCINES THEREOF - The invention provides a method of preventing the spreading of influenza viruses, and the factors making up the said method, and especially provides one type of combinatorial vaccine and the immunization method thereof. Two of more influenza vaccines are inoculated by a certain sequence, and each influenza vaccine vaccines is inoculated at least once, and the inoculation take place two or more times; wherein each influenza vaccine includes one or more antigens, the immunogenic fragments thereof, or the coding genes thereof, and further includes a different antigen, the immunogenic fragments or the coding gene of the different antigen. | 09-25-2014 |
Jianqing Yuan, Shenzhen CN
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20160041848 | Methods and Apparatuses for Determining a Leak of Resource and Predicting Usage Condition of Resource - A method and an apparatus for determining a leak of a program running resource are disclosed that relate to the field of computer applications. The method for predicting a usage condition of a program running resource includes collecting program running resource usage at least once within each program running resource usage period; decomposing the collected program running resource usage into different resource components; for data contained in each resource component, determining a prediction function for the resource component; determining an overall prediction function for a program running resource according to the determined prediction functions for all the resource components; and predicting a usage condition of the program running resource based on the determined overall prediction function. | 02-11-2016 |
Jianqing Zhou, Foshan CN
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20130040172 | STRUCTURE OF LITHIUM-ION BATTERY MODULE - A structure of lithium-ion battery module comprises a battery case, containing one or more flexible packaging polymer lithium-ion battery cells, at of which top a connecting conductor is arranged to connect them in series and/or parallel to form a battery pack, positive and negative poles of the battery pack are mounted on the connecting conductor. The structure further comprises a battery cover plate welded on the open end of the battery case to package the battery pack into the battery case, and the positive and negative pole terminals of the battery module are arranged on the battery cover plate and welded to the positive and negative poles. The plate is provided with one or more through hole, through which the air in the battery case is evacuated and the inert gas is injected, after that a steel ball is clamped into each through hole to seal the battery case. | 02-14-2013 |
Jianqing Zhou, Buxtehude DE
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20100187127 | MEMBRANE RESTORATION - Embodiments include membrane restoration process. A membrane can be restored by replacing an anolyte and a catholyte of a cell with a solution having an organic acid. The cell can include an anode, a cathode and a membrane fouled with a metal. A cheleate can be formed with the metal and the organic acid of the solution and an electric current can be provided between the anode and the cathode of the cell to protect the cell from corrosion while forming the chelate. | 07-29-2010 |
Jianqing Zhu, Beijing CN
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20150016511 | IMAGE COMPRESSION APPARATUS AND METHOD - An image compression apparatus including an image segmenting unit to segment an image into a plurality of image blocks; a prediction unit to take an adjacent pixel to which each pixel points in the same angle as a reference pixel, and take a pixel value or a reconstruction value of the reference pixel as a prediction value; an encoding unit to encode a residual obtained by subtracting the prediction value from the pixel value, or a quantization coefficient obtained through a transformation and a quantization of the residual; and a reconstruction unit to add the prediction value with corresponding residual or a residual obtained through an inverse transformation and an inverse quantization of the quantization coefficient to obtain a reconstruction value of each pixel. | 01-15-2015 |
Jianqing Zhu, Shanghai CN
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20130315497 | IMAGE COMPRESSION METHOD AND APPARATUS - A method and apparatus for image compression. The method includes: calculating a total bit length that is needed for compressing any one segment line and an ideal bit length that is needed for compressing any one segment; for each segment in any one segment line, acquiring a quantization parameter and a compression mode for compressing the segment and an actual bit length that is needed for compressing the segment by using the acquired quantization parameter and compression mode; distributing a redundancy bit length of one or more simple segments in the segment line to one or more complex segments in the segment line, and re-acquiring quantization parameters and compression modes for compressing every complex segment of the one or more complex segments; and compressing every segment in the segment line by using the acquired quantization parameters and compression modes. | 11-28-2013 |