Yudong
Yudong Guo, Beijing CN
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20140121888 | METHOD, SERVER AND SYSTEM FOR VEHICLE DIAGNOSIS - A method, a server and a system for vehicle diagnosis are provided. The method for vehicle diagnosis comprises: a diagnosis server remotely receiving a fault code sent by a vehicle-side terminal and recording a sending device identifier; analyzing the received fault code to obtain a fault diagnosis result; pushing the fault diagnosis result to a corresponding vehicle owner according to the sending device identifier. By adopting the above technical solution, the vehicle owner can know fault situation of the vehicle in time without moving the vehicle to a certain maintenance site, and further decide whether to make a repair or maintenance according to the obtained fault situation, which not only reduces the unnecessary time waste but also effectively reduces security hidden trouble and reduces accident occurrence probability. | 05-01-2014 |
Yudong Kang, Shenzhen CN
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20150236871 | Multicast Processing Method, Apparatus and System - A multicast processing method, apparatus and system. A Virtual eXtensible Local Area Network (VXLAN) tunnel end point (VTEP) receives configuration information sent by a management layer; and receives a multicast packet sent by a VM managed by the VTEP; when performing VXLAN encapsulation on the multicast packet after determining that the virtual machine (VM) matches the VM tenant identifier, the VTEP encapsulates a destination address of the multicast packet into the multicast address on a layer 3 network according to a mapping relationship between a VM multicast address and a multicast address on the layer 3 network, and encapsulates a VXLAN source address of the multicast packet into a layer 3 network multicast source address according to a mapping relationship between a VM multicast source address and a layer 3 network multicast source address; and sends an encapsulated multicast packet to the layer 3 network. | 08-20-2015 |
Yudong Li, Beijing CN
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20100287079 | CHARGING IN IMS NETWORKS FOR SESSIONS THAT ARE TRANSFERRED BETWEEN ACCESS NETWORKS - IMS networks and methods are disclosed for charging for a session of a dual mode device that is transferred (seamless handover) from a first access network to a second access network. When a session is transferred between access networks, multiple charging identifiers (e.g., ICID) are assigned to the session. One or more network elements in the IMS network identify both an original ICID and a handover ICID for the session, and insert the original and handover ICID in a charging message that is transmitted to a charging system. The charging system then inserts the original ICID and the handover ICID in a CDR for the session. When the session ends, the charging system may use the original ICID and the handover ICID to correlate multiple CDRs for the session. Thus, even if CDRs for the same session have different ICIDs, the charging system is able to correlate the CDRs. | 11-11-2010 |
Yudong Li, Thousands Oaks, CA US
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20120257206 | OPTICAL DELAY-LINE INTERFEROMETER FOR DPSK AND DQPSK RECEIVERS FOR FIBER-OPTIC COMMUNICATION SYSTEMS - Some example embodiments of an interferometer for fiber optic communication systems include a pair of identical beam splitting prisms. Each of the beam splitting prisms includes a first total-internal-reflection surface, a second total-internal-reflection surface parallel to the first total-internal-reflection surface, and a beam splitting interface parallel to the first total-internal-reflection surface. An interferometer embodiment may optionally include a thermo-optic compensator disposed between the two beam splitting prisms. A beam splitting plate may optionally be included in some example embodiments to provide four spatially-separated output ports, two from each of two delay line interferometers sharing the two beam-splitting prisms. An alternative embodiment of an interferometer includes a beam splitting prism, a retro-reflective prism, and a beam splitting plate arranged to have four output ports spatially separated from one another, two of each port associated with a different one of two delay line interferometers sharing the beam splitting and retro-reflective prisms. | 10-11-2012 |
Yudong Lu, Guangdong CN
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20140232428 | Prognostic Circuit of Electromigration Failure for Integrated Circuit - A prognostic circuit of EM failure for IC is disclosed, which includes a current monitoring module, the current monitoring module includes a current output module electrically connected with a monitoring metal wire, and one or more conductive metals covered by an oxide layer and electrically insulated with the monitoring metal wire, the current output module includes at least one current source, the conductive metal is electrically connected with the output port of the current monitoring module, and the monitoring metal wire is surrounded by the conductive metal. The above prognostic circuit can give a warning for short-circuit failure caused by a whisker created by EM. Meanwhile, the prognostic circuit of the present disclosure can also be added a resistance warning, and it can indicate the failure of the resistance increased by EM and the short circuit caused by whisker, so as to greatly increase the warning efficiency of the EM. | 08-21-2014 |
20150051851 | Method and Device of Remaining Life Prediction for Electromigration Failure - A method for predicting remaining life of electromigration failure is disclosed. The methods includes: establishing an electromigration life model of a MOS device; acquiring a normal electromigration failure lifetime τ1, based on a current density and a first environment temperature under a preset normal operating condition and the electromigration life model; acquiring a current density stress, based on a target prognostic point τ2, a second environment temperature and the electromigration life model; inputting the current density stress into a MOS device electromigration failure warning circuit based on a prognostic cell; and if the prognostic circuit of EM failure for a MOS device outputs a high level after a time τ3, acquiring a remaining life of electromigration failure corresponding to τ2′ based on τ1, τ2 and τ3. A device for remaining life prediction for electromigration failure is also disclosed. | 02-19-2015 |
Yudong Ma, Richmond, CA US
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20150178421 | SYSTEMS FOR AND METHODS OF MODELING, STEP-TESTING, AND ADAPTIVELY CONTROLLING IN-SITU BUILDING COMPONENTS - A system for and method of modeling thermal performance characteristics of HVAC components in a building uses the building power or other meter to measure power consumed by the components. The models are used to test the components, preferably during off hours, to ensure proper and efficient operation. Preferably, the testing software is written in a high-level interpretive language that is independent of the HVAC component being modeled. The models are adaptively maintained by periodically ensuring that their measured output matches the predicted output. When the two do not match, the model parameters are updated. These models can also be used to generate reports comparing costs and cost savings for different temperature and other environmental settings within selected zones in the building. | 06-25-2015 |
Yudong Tan, Jiangsu CN
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20140191158 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE WITH THE LIQUID CRYSTAL COMPOSITION - A liquid crystal composition that is useful for an active matrix (AM) device has a nematic phase and positive dielectric anisotropy. An active matrix liquid crystal display device includes the liquid crystal composition. By the total weight of the liquid crystal composition, the liquid crystal composition comprises 8%-50% of a compound of the general formula (I), 10%-70% (by weight) of a compound of the general formula (II), and 5%-50% (by weight) of a compound of the general formula (III). | 07-10-2014 |
20150076405 | LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF - A liquid crystal composition and a liquid crystal display wherein the liquid crystal composition includes: a compound of general formula (I) including 1%-50% of the total weight of the liquid crystal composition; a compound of general formula (II) including 1%-60% of the total weight of the liquid crystal composition; a compound of general formula (III) including 1%-60% of the total weight of the liquid crystal composition; and a compound of general formula (IV) including 0-50% of the total weight of the liquid crystal composition—wherein the liquid crystal composition has a suitably wider nematic phase scope, a suitable optical anisotropy, a favorable low-temperature storage stability a faster response speed, can be used for outdoor work, has a good image display effect, and substantially free of streaking phenomenon. | 03-19-2015 |
20150218455 | DICHROMATIC DYE COMPOSITION AND APPLICATION THEREOF - A dichromatic dye composition which has the characteristics of higher order parameter and good miscibility can be applied in a guest-host liquid crystal composition. The absorbance curve of a guest-host liquid crystal composition with the dichromatic dye composition within the range of 420-680 nm has the following characteristics: a. 2≦(T1+T2)/ΔT≦10; b. |T1−T2|≦0.5; c. 0<ΔT≦0.2, where T | 08-06-2015 |
20150275087 | TRIPHENYLENE DERIVATIVE AND USE THEREOF - A triphenylene derivative of general formula (I) or general formula (II) can be used as a component of liquid crystal medium. The compound can be used to form a negative discotic liquid crystal composition having a suitable temperature range of liquid crystal phase and a lower clearing point, which can be used in TFT liquid crystal displays as an optical compensation film (cell) material. | 10-01-2015 |
Yudong Zhang, Sichuan CN
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20150272697 | MICROSCOPIC SURGERY SYSTEM AND NAVIGATION METHOD GUIDED BY OPTICAL COHERENCE TEMOGRAPHY - Provided are a microscopic surgery system and a navigation method guided by optical coherence tomography. The microscopic surgery system may include: an object lens; a surgical microscope unit configured to perform two-dimensional imaging on an area to operate on via the object lens; an optical coherence tomography unit configured to perform two-dimensional tomography imaging on the area via the object lens, with an imaging field calibrated according to that of the surgical microscope unit; a processor configured to obtain navigation information based on the two-dimensional imaging by the surgical microscope unit and the two-dimensional tomography imaging by the optical coherence tomography unit, the navigation information comprising positional information of a body part to operate on and a surgical instrument for operating on the body part; and an output unit configured to output the navigation information to guide the surgical instrument to the body part. | 10-01-2015 |