Cheng Qian
Cheng Qian, Pamplona-Navarra ES
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20110081718 | SYSTEM FOR PACKAGING HIGH-CAPACITY ADENOVIRUSES - The invention relates to a nuew system for production and packaging of high capacity adenoviral vectors which does not require the use of helper virues and which is characterized in that it integrates the adenoviral genes needed for the control, replication and packaging of the viral particuiles in the genome of a host cell, which results in the improvement of the long term stability of the production system. | 04-07-2011 |
Cheng Qian, Miami, FL US
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20100228491 | Cross-Instrument Method and System for Cell Population Discrimination - The present invention provides methods and systems to combine the capabilities of a hematology analyzer with those of a flow cytometer to yield a far more powerful analytical system than either device alone. In one embodiment, a method of analyzing a cell sample includes receiving a first data generated by an analysis of a first aliquot of the sample on a first particle analyzer having a fluorescence measurement device such as a flow cytometer, detecting at least one unresolved cell population in the first data, and accessing a second data stored on a storage device wherein the second data was previously generated by interrogating a second aliquot of the sample using at least one of a cell volume measurement device and a cell conductivity measurement device in a second particle analyzer such as a hematology analyzer. The unresolved cell population in the first data is then resolved using the second data. Corresponding system embodiments are also disclosed. | 09-09-2010 |
Cheng Qian, San Jose, CA US
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20100031123 | UNIFIED MEMORY ARCHITECTURE FOR RECORDING APPLICATIONS - An apparatus comprising a first circuit, a second circuit and a disc. The first circuit may be configured to (i) extract video data as data blocks from an input signal and (ii) perform error correction on the data blocks with a delta syndrome based iterative Reed-Solomon decoding. The second circuit may be configured (i) to decode corrected video data into a video format in a first state, (ii) encode the corrected video data in a second state and (iii) share an external memory between the first circuit and the second circuit. The disc may be configured to store encoded video data in the second state. | 02-04-2010 |
Cheng Qian, Shenzhen City CN
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20090313494 | VOLTAGE DETECTION DEVICE - An voltage detection device includes a comparator circuit comprising a first input terminal connected to a system power supply, a second input terminal connected to a standby power supply, an output terminal capable of outputting a control voltage according to comparison result; an indicator circuit; and a switch circuit connected between the standby power supply and the indicator circuit, comprising a control terminal to receive the control voltage from the comparator circuit thereby to control the standby power supply supplied to the indicator circuit or not; a power state terminal of the computer connected to a node between the standby power supply and the indicator circuit, wherein the power state terminal is at a low level when the computer is turned off. The voltage detection device can ensure that all the power supplies provide power to the computer components normally. | 12-17-2009 |
Cheng Qian, Shenzhen CN
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20090141411 | VOLTAGE REGULATOR MODULE CONTROL CIRCUIT - An exemplary voltage regulator module (VRM) control circuit includes a VRM providing a plurality of phases, each of the phases connected to a control terminal of a corresponding electric switch; a comparator comprising a non-inverting terminal connected to a first power source and grounded via the electric switches respectively, an inverting terminal connected to a reference voltage, and an output terminal; and a control switch connected between an enable terminal of the VRM and ground, the control switch comprising a control terminal connected to the output terminal of the comparator, wherein, if one of the phases of the VRM is lost, the corresponding electric switch is turned off, and a voltage of the non-inverting terminal of the comparator is higher than the reference voltage, the comparator outputs a control signal to the control switch for turning on the control switch, thus turning off the VRM. | 06-04-2009 |
20090161472 | MEMORY VOLTAGE CONTROL CIRCUIT - A memory voltage control circuit includes two slots, a control circuit, a voltage conversion circuit, and a switch circuit. The two slots are able to efficiently process different memory types. The control circuit receives memory identification signals from the two slots. The control circuit administers the output voltage of the voltage conversion circuit according to the memory identification signals. The memory identification signals determine whether the switch circuit is to be turned on or off. This will control whether the output voltage of the voltage conversion circuit will go to the first or the second slot. | 06-25-2009 |
20090175602 | CIRCUIT FOR CONTROLLING ROTATION SPEED OF COMPUTER FAN - A circuit for controlling rotation speed of a computer fan includes a fan header for connecting to a 4-pin fan or a 3-pin fan, a jumper device, an amplifier, and a controller. The jumper device has a first pin for receiving a controlling signal, and connected to a first power source, a second pin connected to the fan header, and a third pin connected to the first power source. The amplifier has an input terminal connected to the third pin of the jumper device via an integrator. The controller has a first terminal connected to an output terminal of the amplifier, a second terminal connected to a second power source, and a third terminal connected to the fan header and connected to a positive input terminal of the amplifier via a resistor. The first pin of the jumper device is selectively connected to the second or third pin. | 07-09-2009 |
20120057507 | Charging method and system for prepaid service - The present invention discloses a charging method and system for a prepaid service. The charging method comprises the following steps that: a VPN charging management module presets different VPN package charging levels in the prepaid service, receives a calling request from a user terminal, and determines whether there is at least one VPN valid user in a calling terminal and a called terminal and determines whether this calling belongs to the preset different VPN package charging levels; and a VPN charging module charges the calling terminal or the called terminal which is a VPN valid user for this calling according to the VPN package charging level to which the calling terminal or the called terminal belongs, and ends this calling if the amount of the user terminal account is insufficient. The present invention realizes the flexible VPN charging in the prepaid service, not only enables a user to enjoy more flexible charging and save charges conveniently, but also it is favourable for the service promotion of operators, without changing the existing service framework structure and development interface, and saves the development costs of operators by synchronizing to multiple systems by a synchronization module. | 03-08-2012 |
20140308697 | METHODS AND APPARATUSES FOR IDENTIFYING RED BLOOD CELLS INFECTED BY PLASMODIUM - The present disclosure relates to the field of medical technology, which provides methods and apparatuses for identifying red blood cells infected by plasmodium. The methods may include: obtaining a forward-scattered light signal, a side-scattered light signal and an optional fluorescence signal from cells in a blood sample; obtaining a first two-dimensional scattergram according to the forward-scattered light signal and the side-scattered light signal, or obtaining a three-dimensional scattergram according to the forward-scattered light signal, the side-scattered light signal and the fluorescence signal; and identifying cells located in a predetermined area of the first two-dimensional scattergram or the three-dimensional scattergram as the red blood cells infected by plasmodium. The apparatuses perform the methods. The methods and apparatuses can have better identification accuracy. | 10-16-2014 |
Cheng Qian, Durham, NC US
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20080260617 | FUNCTIONALIZED FEW-WALLED CARBON NANOTUBES (FWNTs) AND METHODS OF MAKING AND USING THE SAME - Few-walled carbon nanotubes (FWNTs) can be synthesized in a simple chemical vapor deposition (CVD) system using a mixture of methanol and ethanol as the carbon source. In preferred embodiments, the present invention uses an ethanol/methanol mixture as the carbon source so that few walled nanotubes (FWNTs) with high purity can be prepared following a simplified purification process. Under the growth conditions of the present invention, ethanol is believed to act as the carbon source while methanol is believed to act as a “carbonaceous impurity remover” to remove the impurities deposited on a support (e.g., MgO) and thereby hinder the formation of such impurities. | 10-23-2008 |
Cheng Qian, Wuhan City CN
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20130063005 | ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a rear panel and a blocking board. The rear panel comprises a front surface and a back surface opposite to the front surface. A through opening is defined in the rear panel. The blocking board comprises a main body, a first flange and a second flange opposite to the first flange. A first stopping piece is extends from the first flange. A second stopping piece is extended from the second flange. A latch portion is located on the first flange. A first protrusion is located on the second flange. The latch portion and the second protrusion extend through the through opening by being elastically deformed, the latch portion and the second protrusion abut on the front surface, and the first stopping piece and the second stopping piece abut on the back surface. | 03-14-2013 |
Cheng Qian, Beijing CN
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20140351740 | INPUT METHOD AND DEVICE USING SAME - An input method for use in a device, includes: receiving character input information; determining, based on the character input information, an inputted character and time information associated with an input operation; and selecting a state of the inputted character according to the time information and at least one predetermined time threshold value. | 11-27-2014 |
20150058386 | METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR CREATING VIRTUAL DIRECTORY - A method for creating a virtual directory includes locating at least one file of a designated type by traversing a storage region, extracting attribute information of the at least one file, and creating a virtual directory according to the attribute information of the at least one file. The attribute information including at least two of a name, a play address, or episode information of the at least one file. | 02-26-2015 |
Cheng Qian, Shanghai CN
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20150142607 | SHOPPING MIND READER - Determining user intent based on current user query behavior comprising receiving from a client machine a plurality of signals indicating current user behavior when querying for items; tracking events of current user behavior indicated by the signals; and recommending items that the events indicate are items intended by the current user behavior. Seller performance may be and used in recommending the items. The recommended items may be ranked by a ranking algorithm that may comprise a boosted rank model algorithm that customizes ranking to each of a plurality of client machines. | 05-21-2015 |
Cheng Qian, Plano, TX US
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20150163066 | TELECONFERENCING SYSTEM AND METHOD - A network-initiated teleconferencing system and method. In one embodiment, teleconference setup information is received pursuant to a setup request for a teleconference generated by an organizer using a messaging module. A messaging server system associated with the messaging module is monitored to obtain retrieve teleconference state information. Relative to a scheduled time, notifications are sent to personal communication devices of one or more participants (external participants, internal participants, or a combination thereof), including the organizer, for receiving consent. Upon receiving one or more consent confirmations from the one or more participants indicative of accepting a call initiated by a network, a call handling process may be invoked to initiate calls to the one or more participants for establishing the teleconference at the scheduled time. | 06-11-2015 |