Yufeng
Yufeng Cai, Singapore SG
| Patent application number | Description | Published |
|---|---|---|
| 20160074810 | A DRAW SOLUTE FOR FORWARD OSMOSIS - The present invention provides a draw solute for forward osmosis comprising a carbon dioxide responsive structural unit and a thermally responsive structural unit, wherein the draw solute is capable of reversibly switching between a protonated state and a deprotonated state. The present invention also provides a forward osmosis method utilising the draw solute. | 03-17-2016 |
| 20160082391 | A DRAW SOLUTE AND AN IMPROVED FORWARD OSMOSIS METHOD - A draw solute for forward osmosis comprising a semi-interpenetrating (semi-IPN) hydrogel which comprises a thermally responsive polymer and a hydrophilic polymer, such that the semi-IPN hydrogel is capable of switching between a hydrophilic and hydrophobic state in response to changes in temperature is provided. Also provided is a draw solute comprising a hydrogel of a polyionic thermally responsive polymer, wherein the hydrogel switches between a hydrophilic state to allow absorption of water osmosed from a feed solution and a hydrophobic state to allow release of the absorbed water in response to changes in temperature. There is also provided a forward osmosis method comprising: contacting a feed solution and the draw solute via a semi-permeable membrane, such that feed water in the feed solution passes through the membrane by osmotic pressure and moves into the draw solute; and separating the water from the draw solute to form a purified water product. | 03-24-2016 |
Yufeng Cao, Qiqihar CN
| Patent application number | Description | Published |
|---|---|---|
| 20150367867 | BOGIE AND AXLE BOX SUSPENSION POSITIONING DEVICE THEREOF - An axle box suspension positioning device for a railway vehicle is provided according to the present application, which includes a guide column assembly. The guide column assembly includes a fixed end connected to a frame of the railway vehicle, and a free end which is extendable and retractable from an opening of the axle box. An elastic positioning component is provided in the opening, and the elastic positioning component limits a movement of the free end along a running direction of the vehicle with respect to the frame. The arrangement of the elastic positioning component enables the axle box suspension positioning device to have a large positioning rigidity. A bogie having the axle box suspension positioning device is further provided according to the present application. | 12-24-2015 |
Yufeng Chen, Suzhou City CN
| Patent application number | Description | Published |
|---|---|---|
| 20160023342 | SOUND DAMPING FOR POWER TOOLS - A power tool having one or more sound damping members which reduce sound and/or vibration from one or more parts of a power tool. The sound damping member can reduce sound and/or vibration from static or dynamic parts of a power tool. The sound damping member can reduce noise and/or vibration from one or more rotating or moving parts of a power tool and its housing or internal structure. Methods, means, controls, systems and practices for reducing or eliminating undesired sound from a power tool are disclosed. | 01-28-2016 |
Yufeng Huang, Miauli Hsien TW
| Patent application number | Description | Published |
|---|---|---|
| 20140075910 | METHOD FOR HARVESTING CROP MATERIALS - A method for harvesting crop materials each having a grains carrying stalk, includes erecting the stalk, cutting the stalk of the crop materials with two or more cutting blades or elements into a lower base segment carrying no grain and an upper straw segment that carries grains, discarding the lower base segment which carries no grain, threshing the upper straw segment which carries the grains for separating the grains from the upper straw segment, and collecting the grains. A blowing process is used for blowing the upper straw segment away from the grains before collecting device the grains. A determining process is used for determining a length of the lower base segment to be cut before erecting the stalk. | 03-20-2014 |
| 20140075911 | HARVESTING MACHINE FOR CROP MATERIALS - A harvesting machine for threshing crop materials includes a platform supported in front of a chassis, an erecting device having a number pairs of guiding bars attached to the platform and having a channel formed between two bar members of each pair of guiding bars, a guiding element disposed between every two adjacent pairs of guiding bars for guiding a stalk of the crop materials into the channel of the guiding bars, a number of pawls extended into the channel for sending the stalk of the crop materials into the channel, and a cutting device having two or more cutting elements for cutting the stalk into a lower base segment that carries no grain and an upper straw segment that carries grains. | 03-20-2014 |
Yufeng Huang, Peabody, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20130044323 | METHOD AND SYSTEM FOR DETECTING MOISTURE IN NATURAL GAS - A system includes a moisture analyzer configured to detect moisture in natural gas. The moisture analyzer includes an absorption cell that encloses and conducts the natural gas. The moisture analyzer also includes a pressure control device that may reduce a pressure of the natural gas inside the absorption cell. The moisture analyzer includes a light emitting device that may transmit light through the natural gas inside the absorption cell, as well as a photodetector that may detect an intensity of the light transmitted through the natural gas and exiting the absorption cell. | 02-21-2013 |
Yufeng Huang US
| Patent application number | Description | Published |
|---|---|---|
| 20140075911 | HARVESTING MACHINE FOR CROP MATERIALS - A harvesting machine for threshing crop materials includes a platform supported in front of a chassis, an erecting device having a number pairs of guiding bars attached to the platform and having a channel formed between two bar members of each pair of guiding bars, a guiding element disposed between every two adjacent pairs of guiding bars for guiding a stalk of the crop materials into the channel of the guiding bars, a number of pawls extended into the channel for sending the stalk of the crop materials into the channel, and a cutting device having two or more cutting elements for cutting the stalk into a lower base segment that carries no grain and an upper straw segment that carries grains. | 03-20-2014 |
Yufeng Jin, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20150155954 | METHOD AND DEVICE FOR CALIBRATING FREQUENCY SYNTHESIZER IN COMMUNICATION TERMINAL - A method and a device for calibrating frequency synthesizer in communication terminal are provided. The method may include: controlling the communication terminal to transmit a continuous wave signal in a specified channel; controlling a measurement device to measure the continuous wave signal to obtain a measured frequency deviation value of the frequency synthesizer in the communication terminal; calculating a center oscillation frequency point of a reference crystal oscillator of the communication terminal and a frequency calibration step corresponding to the center oscillation frequency point based on the measured frequency deviation value; and storing the center oscillation frequency point and the corresponding frequency calibration step in the communication terminal. The method can reduce frequency calibration cost and time. | 06-04-2015 |
Yufeng Li, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20150188803 | SYSTEMS, APPARATUSES, AND METHODS FOR REROUTING NETWORK TRAFFIC - A network element includes a processor that is configured to receive a request for performing an administratively-requested reroute (ARR) on a network. The ARR includes at least a first data plane operation on the network element and a second data plane operation on another network element. The network element is also configured to determine whether it is capable of performing the first data plane operation without interrupting network traffic on that network element. The network element is further configured to determine whether the other network element is capable of performing the second data plane operation without interrupting network traffic on that network element. | 07-02-2015 |
Yufeng Li, Plainsboro, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20150139263 | Pump radiation arrangement and method for pumping a laser-active medium - The disclosure relates to a pump radiation arrangement comprising: a pump radiation source for producing pump radiation, a means for stabilizing the wavelength of the pump radiation source and a laser-active medium through which the pump radiation passes in a bidirectional manner. The pump radiation arrangement also has a retro-reflector for reflecting pump radiation which is not absorbed by the laser-active medium back to the pump radiation source and a wavelength-selective element for preventing a wavelength destabilization of the pump radiation source by filtering out undesirable spectral portions of pump radiation which is not absorbed by the laser-active medium. The invention also relates to an associated method for pumping a laser-active medium. | 05-21-2015 |
Yufeng Li, Qingdao, Shandong Province CN
| Patent application number | Description | Published |
|---|---|---|
| 20150356396 | RFID TAG ANTENNA, RFID TAG AND PROCESSING METHOD THEREOF - A RFID tag antenna, a RFID tag and a processing method thereof, wherein the RFID tag antenna arranged on the substrate has two parts extending along two different directions. Hence, external forces from far ends of the lateral sides of the substrate or other destructive forces exerting on the welding structure at the welded end of the antenna could be mitigated or attenuated, therefore improving the stress stability and anti-interference performance of the welding structure between the welded end of the antenna and the substrate, and further enhancing the robustness of the RFID tag in the whole life cycle. The RFID tag comprises a substrate, an integrated circuit and a pair of antenna. The antenna has a first part extending along a first direction, wherein the first part having a plurality of continuous spiral rings in a helical form and a second part which is connected with the first part and extends along a second direction. The arrangement of the second part on the side of the integrated circuit is achieved by welding the second part on the substrate. The first part is being flexible and unrestricted in multiple directions corresponding to the second part. | 12-10-2015 |
Yufeng Liu, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20080228083 | Non-Evasive Method and Apparatus of Detection of Organism Tissues - The invention relates to a non-invasive method to diagnose the changes of molecular structures of organism tissues from body surface and a dedicated apparatus. The apparatus is comprised of a Fourier Transform infrared spectrometer and a set of additional accessories. Said additional accessories include a mid-IR fiber optics sampling attachment, a fiber coupling part, and an infrared detector part. The detection method is comprised of placing the ATR probe of the dedicated apparatus on the skin surface of a region to be tested, and scanning more than one time in which the resolution of the apparatus is 1-32 cm | 09-18-2008 |
Yufeng Liu, Yaan CN
| Patent application number | Description | Published |
|---|---|---|
| 20150320298 | HOLDER FOR A TRANSESOPHAGEAL ECHOCARDIOGRAPHY PROBE - A device includes a first retainer plate, a second retainer plate, a connector link, and a clamp. The second retainer plate has a clearance aperture. The connector link has a first end and a second end. The first retainer plate is coupled to the first end and the second retainer plate is coupled to the second end. The first retainer plate and second retainer plate are in parallel alignment. At least one of the first retainer plate and the second retainer plate are elastically urged to converge. The clamp is coupled to the connector link by a joint. The joint is configured to articulate in at least two degrees of freedom and configured to retain a selected fixed alignment as to the connector link relative to the clamp. | 11-12-2015 |
Yufeng Ma, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20130178095 | WATERPROOF BNC CONNECTOR - A pH meter and probe with a screw-down connector that converts a standard BNC pH probe connector into an IP67 waterproof connection. | 07-11-2013 |
Yufeng Qin, Liaocheng City CN
| Patent application number | Description | Published |
|---|---|---|
| 20140315819 | ACTIVE SMALL-MOLECULE DONKEY-HIDE GELATIN MIXTURE AND PREPARATION METHOD AND APPLICATION THEREOF - An active small-molecule donkey-hide gelatin mixture and a preparation method and application thereof. The active small-molecule donkey-hide gelatin mixture is prepared by using the compound protease comprising the proline protease to perform the enzymatic hydrolysis on the donkey-hide gelatin juice to which no auxiliary material is added. For the active small-molecule donkey-hide gelatin mixture, the weight-average molecular weight ranges from 580 Da to 1300 Da, the peptide segments are distributed from 200 Da to 3000 Da, the dissolution rate in cold water is high, and the content of free amino acid is low; the active small-molecule donkey-hide gelatin mixture may be used for manufacturing small-molecule peptide food and health care food of donkey-hide gelatin. | 10-23-2014 |
Yufeng Song, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20140004146 | METHOD FOR PRODUCING VIRUS-LIKE PARTICLE BY USING DROSOPHILA CELL AND APPLICATIONS THEREOF | 01-02-2014 |
Yufeng Sun, Chengdu CN
| Patent application number | Description | Published |
|---|---|---|
| 20150201671 | CIGARETTE PAPER ADDITIVE HAVING HARM REDUCTION FUNCTION AND APPLICATION THEREOF - A cigarette paper additive having harm reduction function and application thereof are provided. The additive contains alkali metal salts of butane tetracarboxylic acid or cyclobutane tetracarboxylic acid which are prepared by reacting the butane tetracarboxylic acid or cyclobutane tetracarboxylic acid with alkali. The application thereof is evenly adding the aqueous additive solution at different concentrations to cigarette paper by a metering rod-type film transfer sizing machine in a sizing section of the cigarette paper production, and the produced cigarette paper is used for cigarette production that can effectively reduce release of CO, phenol and tar in the mainstream smoke, and has better effects of harm reduction and tar reduction. The method of the invention is easy, does not need to alter the existing cigarette paper production process, and has low cost and higher industrial application value. | 07-23-2015 |
Yufeng Tan, Foshan CN
| Patent application number | Description | Published |
|---|---|---|
| 20160129391 | DEHUMIDIFIER APPARATUS - A dehumidifier is disclosed comprising a base, a fast coupler disposed on the base, a water receiving tray, a water collection tank disposed below the water receiving tray, a water discharging tank connected to the water receiving tray, and a pump having an outlet connected to the fast coupler and an inlet connected to the water discharging tank, wherein a water level switch is provided in the water discharging tank and comprises a floater and a closed hollow rod, wherein the floater has a hole for passing through of the rod and a magnet, and the rod has a magnetic field response switch electrically connected with the pump. | 05-12-2016 |
Yufeng Tan, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20140174289 | DEHUMIDIFIER APPARATUS - A dehumidifier is disclosed comprising a base, a fast coupler disposed on the base, a water receiving tray, a water collection tank disposed below the water receiving tray, a water discharging tank connected to the water receiving tray, and a pump having an outlet connected to the fast coupler and an inlet connected to the water discharging tank, wherein a water level switch is provided in the water discharging tank and comprises a floater and a closed hollow rod, wherein the floater has a hole for passing through of the rod and a magnet, and the rod has a magnetic field response switch electrically connected with the pump. | 06-26-2014 |
Yufeng Wang, Belle Mead, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20160096839 | PYRIMIDINONES AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (I): | 04-07-2016 |
Yufeng Wang, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20110010013 | SINGLE WHEEL ROBOT SYSTEM AND ITS CONTROL METHOD - This invention relates to a single wheel robot system and its control method. The robot is an intelligent self-control and thus self-balancing unicycle riding robot. The control method is the balance control method of the static imbalance unicycle robot. The single wheel robot includes mechanical body and control system; the body contains a single wheel in the substructure which can rotate around for balance; the control system comprises state sensors, motion controller, servo-driven controllers, and a power system. Among them, the motion controller receive signals from the state sensors, in accordance with control procedures for processing of the received signal, thereby issuing control instructions. The servo drive controller receives the control instructions and controls the motors of the robot to adjust posture to be balanced. | 01-13-2011 |
Yufeng Wang, Poway, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20140086178 | Buffer-Aware Packet Scheduling for Downlink Multiuser Systems - An inventive duffer aware adaptive BAA scheduler considers both channel and buffer conditions to make scheduling decisions. Specifically, channel conditions are used to select candidate users, i.e., only the users whose transmission rates satisfy a certain condition are considered as candidate users. It guarantees a maximum of throughput deduction. Then the buffer conditions are used to make scheduling decisions among all the candidate users, i.e., the user with largest queue backlog among candidate users will be scheduled, to provide improved delay performance. | 03-27-2014 |
Yufeng Wang, Wuhan CN
| Patent application number | Description | Published |
|---|---|---|
| 20150300430 | IMPROVED DISC BRAKE HAVING DOUBLE YOKE PLATES AND FIXED CALIPER - An improved disc brake having double-yoke plate and a fixed caliper; an inclined surface is disposed in a key groove on a caliper body; when the caliper body and the upper and lower plates are assembled, the supporting keys of the upper and lower plates of the caliper body are pressed via the inclined surfaces in the key groove, such that the caliper body applies an axial pressure away from a brake disc to the supporting keys during assembly, thus further improving the rigidity of the brake, and reducing the consumption of brake fluid. | 10-22-2015 |
Yufeng Wang, North Brunswick, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20100267669 | HETEROCYCLIC CETP INHIBITORS - Compounds of formula Ia and Ib | 10-21-2010 |
| 20120041190 | MACROCYCLES AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (I): | 02-16-2012 |
| 20120322761 | HETEROCYCLIC CETP INHIBITORS - Compounds of formula Ia and Ib | 12-20-2012 |
| 20140038969 | DIHYDROPYRIDONE P1 AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (VIII): | 02-06-2014 |
| 20140163002 | CYCLIC P1 LINKERS AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (Ia): or stereoisomers, tautomers, or pharmaceutically acceptable salts thereof, wherein all the variables are as defined herein. These compounds are selective factor XIa inhibitors or dual inhibitors of FXIa and plasma kallikrein. This invention also relates to pharmaceutical compositions comprising these compounds and methods of treating thromboembolic and/or inflammatory disorders using the same. | 06-12-2014 |
| 20140221338 | NOVEL MACROCYCLES AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (Ia): or a stereoisomer, a tautomer, or a pharmaceutically acceptable salt thereof, wherein all the variables are as defined herein. These compounds are selective factor XIa inhibitors or dual inhibitors of FXIa and plasma kallikrein. This invention also relates to pharmaceutical compositions comprising these compounds and methods of treating thromboembolic and/or inflammatory disorders using the same. | 08-07-2014 |
| 20150057262 | CYCLIC P1 LINKERS AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (Ia): | 02-26-2015 |
| 20150112058 | MACROCYCLES AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (I): | 04-23-2015 |
| 20150203492 | DIHYDROPYRIDONE P1 AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (X): (Formula (X), or stereoisomers, tautomers, or pharmaceutically acceptable salts thereof, wherein all the variables are as defined herein. These compounds are selective factor XIa inhibitors or dual inhibitors of FXIa and plasma kallikrein. This invention also relates to pharmaceutical compositions comprising these compounds and methods of treating thromboembolic and/or inflammatory disorders using the same. | 07-23-2015 |
| 20150259286 | 7-HYDROXY-INDOLINYL ANTAGONISTS OF P2Y1 RECEPTOR - The present invention provides compounds of Formula (I): Formula (I) as defined in the specification and compositions comprising any of such novel compounds. These compounds are antagonists of P2Y | 09-17-2015 |
| 20160068544 | NOVEL MACROCYCLES AS FACTOR XIA INHIBITORS - The present invention provides compounds of Formula (Ia): | 03-10-2016 |
Yufeng Wu, Milpitas, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20140280514 | LAYER 7 APPLICATION CLASSIFICATION - Maintaining layer 7 state as a client device roams between network devices during a session. Data packets used in executing a layer 7 application are received at a first network device that a client device is coupled to during a session. Data packets received by the first network device are stored in a layer 7 application buffer that is sent to a second network device that a client device roams to during a session. A layer 7 application buffer is used to classify a layer 7 application that is the subject of a session in order to maintain layer 7 state as a client device roams to a second network device during a session. | 09-18-2014 |
Yufeng Yang, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20110075117 | PROJECTION DISPLAY DEVICE - A projection display device includes a light source; an optical system which modulates light from the light source, and emits the modulated light; a projecting portion which enlarges and projects the light emitted from the optical system; a cabinet which houses the light source, the optical system, and the projecting portion; an opening which is formed in one surface of the cabinet to allow mounting or dismounting of an optical component constituting the optical system, or the light source; a cover which covers the opening; and a holding portion which holds the cover in such a manner that the cover is allowed to slide in a direction along the one surface. | 03-31-2011 |
Yufeng Yang, Xuzhou CN
| Patent application number | Description | Published |
|---|---|---|
| 20140007942 | METHOD FOR IMPROVING EXCAVATING OPERATION CHARACTERISTIC AND GRADING OPERATION CHARACTERISTIC OF EXCAVATOR - A method for improving excavating operation characteristic and grading operation characteristic of an excavator is disclosed. A hydraulically controlled selector valve is added in a boom confluence control circuit of a hydraulic excavator, and a solenoid valve group is added in the boom confluence control circuit and the bucket/stick confluence control circuit. A controller sends a control signal to switch the solenoid valve group between a disconnected mode and a connected mode. The controller may send out a signal to disconnect the solenoid valve group, to restore a valve spool to a middle position, to restore a boom lifting confluence circuit, and to disconnect a bucket/stick swinging confluence circuit to perform a standard excavation mode. The controller may send out a signal to connect the solenoid valve group to disconnect a boom lifting confluence circuit and to increase a bucket/stick swinging confluence circuit to achieve a grading operation mode. | 01-09-2014 |
| 20140007962 | APPARATUS FOR IMPROVING EXCAVATING OPERATION CHARACTERISTIC AND GRADING OPERATION CHARACTERISTIC OF EXCAVATOR - Disclosed is an apparatus for improving excavating operation characteristic and grading operation characteristic of an excavator. The apparatus includes a solenoid valve group and a hydraulically controlled selector valve. An oil controlling output A | 01-09-2014 |
Yufeng Zhao, Nanjing CN
| Patent application number | Description | Published |
|---|---|---|
| 20110085649 | Fluctuation Monitoring Method that Based on the Mid-Layer Data - Fluctuation monitoring method based on the mid-layer data comprising a monitoring component of the customized instance, mid-layer telephone traffic statistics, a component of self learning telephone traffic and a drawing component of multidimensional traffic monitor. 1) Modeling of telephone traffic status is based on social science empirical model, and uses telephone traffic per day as an analysis granularity, which is composed of three dimensions—time, region and business. 2) the mid-layer of the telephone traffic statistics is calculated based on a monitoring target in regular time. 3) the self learning component of telephone traffic studies and forecasts based on monitoring data. 4) the drawing component of multidimensional traffic monitor will extract data from in the mid-layer of traffic data statistics. | 04-14-2011 |
Yufeng Zhao, Upplands Vasby SE
| Patent application number | Description | Published |
|---|---|---|
| 20150245222 | METHOD AND ARRANGEMENT FOR CONFIGURING MANAGED OBJECT MODEL FOR COMBINED CELL - The invention relates to an arrangement and a method for configuring MO models for a cell hosted by an RBS. The cell is served by a plurality of transmission points, where each transmission point is covering a subarea of the cell. The cell is modeled by an instance of a first MO. A set of equipment of each transmission point is modeled by an instance of a second MO. The method comprises adding ( | 08-27-2015 |
| 20150282114 | METHOD AND NODE FOR POSITIONING IN COMBINED CELL - A method in a first radio base station of a wireless communication system, for transmitting a reference signal for positioning in a cell. The cell is hosted by the first radio base station and served by a plurality of transmission points. Each transmission point is associated with a value of a first attribute indicating whether transmission of the reference signal for positioning is enabled for the associated transmission point. The method comprises selecting at least one transmission point among the plurality of transmission points based on the values of the first attribute, and transmitting the reference signal for positioning in the cell from the selected at least one transmission point only. | 10-01-2015 |
Yufeng Zhao, Golden, CO US
| Patent application number | Description | Published |
|---|---|---|
| 20150295292 | MAGNESIUM-BASED METHODS, SYSTEMS, AND DEVICES - An aspect of the present invention is an electrical device, where the device includes a current collector and a porous active layer electrically connected to the current collector to form an electrode. The porous active layer includes MgB | 10-15-2015 |
Yufeng Zhao, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20150119415 | METHODS AND COMPOSITIONS FOR IMPROVING GUT MICROBIOTA POPULATION - A method and a composition for improving gut micro biota structure, selectively increase a first gut microbiota population while simultaneously decrease a second gut micro biota population in a subject. The first gut micro biota population includes a short-chain fatty acid (SCFA)-producing bacterium and the second gut microbiota population includes an endotoxin-producing bacterium. | 04-30-2015 |
Yufeng Zheng, Santa Clara, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090158432 | On-Access Anti-Virus Mechanism for Virtual Machine Architecture - A tangible medium embodying instructions usable by a computer system to protect a plurality of guest virtual machines (VMs), which execute via virtualization software on a common host platform, from malicious code is described. A scan engine is configured to scan data for malicious code and determine a result of the scanning, wherein the result indicates whether malicious code is present in the data. A driver portion is configured for installation in an operating system of a target VM, which is one of the guest VMs. The driver portion intercepts an access request to a file, that originates within the target VM. The driver portion communicates information identifying a location of the data to be scanned by the scan engine without sending a copy of the data to the scan engine. The scan engine executes within the virtualization layer outside a context of the target VM. | 06-18-2009 |
| 20100306849 | ON-ACCESS ANTI-VIRUS MECHANISM FOR VIRTUAL MACHINE ARCHITECTURE - A tangible medium embodying instructions usable by a computer system to protect a plurality of guest virtual machines (VMs), which execute via virtualization software on a common host platform, from malicious code is described. A scan engine is configured to scan data for malicious code and determine a result of the scanning, wherein the result indicates whether malicious code is present in the data. A driver portion is configured for installation in an operating system of a target VM, which is one of the guest VMs. The driver portion intercepts an access request to a file, that originates within the target VM. The driver portion communicates information identifying a location of the data to be scanned by the scan engine without sending a copy of the data to the scan engine. The scan engine executes within the virtualization layer outside a context of the target VM. | 12-02-2010 |
Yufeng Zhu, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20110078783 | ENSURING QUALITY OF SERVICE OVER VPN IPSEC TUNNELS - Packet sequence number checking through a VPN tunnel may be performed by assigning sequence numbers on a per-priority class basis to packets traversing the VPN tunnel. In one implementation, a network device may receive a packet that is to be transmitted over a VPN tunnel, the packet including control information that includes at least a QoS priority class of the packet. The network device may extract the priority class of the packet from the control information and generate a sequence value that describes an arrival sequence of the packet relative to other received packets of the same priority class as the packet. The network device may additionally generate an IPsec header for the packet, the IPsec header including the sequence value and the priority class of the packet; attach the IPsec header to the packet; and transmit the packet through the VPN tunnel. | 03-31-2011 |