Patents by Inventor Duan Chen
Duan Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11978929Abstract: A close-end fuel cell and an anode bipolar plate thereof are provided. The anode bipolar plate includes an airtight conductive frame and a conductive porous substrate disposed within the airtight conductive frame. In the airtight conductive frame, an edge of a first side has a fuel inlet, and an edge of a second side has a fuel outlet. The conductive porous substrate has at least one flow channel, where a first end of the flow channel communicates with the fuel inlet, a second end of the flow channel communicates with the fuel outlet. The flow channel is provided with a blocking part near the fuel inlet to divide the flow channel into two areas.Type: GrantFiled: August 23, 2021Date of Patent: May 7, 2024Assignee: Industrial Technology Research InstituteInventors: Sung-Chun Chang, Chien-Ming Lai, Chiu-Ping Huang, Li-Duan Tsai, Keng-Yang Chen
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Patent number: 11947914Abstract: In embodiments of the present disclosure, there is provided an approach for fact checking based on semantic graphs. According to embodiments of the present disclosure, after obtaining a text to be fact checked, a plurality of evidence sentences related to the text are retrieved from an evidence database. Then, semantic graphs of the text and the evidence sentences are constructed based on the semantic analysis, and a veracity of a statement in the text can be determined based on the semantic graphs. Embodiments of the present disclosure propose a graph-based reasoning approach for fact checking, and use the constructed semantic graphs to facilitate verification of the truthfulness of the text, thereby improving the accuracy for fact checking.Type: GrantFiled: June 30, 2020Date of Patent: April 2, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Duyu Tang, Nan Duan, Ming Zhou, Jiun-Hung Chen, Pengcheng Wang, Ying Qiao
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Publication number: 20230362057Abstract: An example method may include receiving slice isolation policy for a network slice subnet (NSS) in a transport network (TN) domain, mapping the slice isolation policy to network resource isolation policy and traffic isolation policy, and mapping the network resource isolation policy and the traffic isolation policy to network resource allocation policy and data traffic forward policy, respectively. The network resource allocation policy and the data traffic forward policy may be applied in creation of the TN NSS.Type: ApplicationFiled: July 15, 2020Publication date: November 9, 2023Applicant: Nokia Solutions and Networks OyInventors: Zhiyuan HU, Jing PING, Iris ADAM, Duan CHEN, Zhigang LUO
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Patent number: 11616718Abstract: Example embodiments of the present disclosure relate to enablement of a service function chain based on a software defined network. In some embodiments, there is provided a method implemented at a service function chain controller. The method comprises creating a service function chain for a packet, the service function chain comprising a set of ordered service functions that are to process the packet; and configuring respective forwarding rules associated with the service function chain directly or indirectly to a plurality of network nodes in a software defined network, the respective forwarding rules indicating how the plurality of network nodes forward the packet to the set of ordered service functions in the service function chain. In this way, it is possible to enable the service function chain in the software defined network.Type: GrantFiled: July 11, 2018Date of Patent: March 28, 2023Assignee: NOKIA TECHNOLOGIES OYInventors: Zhiyuan Hu, Duan Chen, Zhigang Luo
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Publication number: 20220060514Abstract: Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for data sharing. In example embodiments, a method for data sharing is provided. The method comprises, in response to receiving a first request to share data of a user from a data sharing agent, creating a data sharing smart contract for the user. The method further comprises publishing the data sharing smart contract to one or more data consumers. The method further comprises, in response to receiving a second request to access the data from a data consumer, generating, by executing the data sharing smart contract, an indication that the data consumer is authorized to access the data. In addition, the method further comprises sending the indication to the data consumer. In this way, end users are enabled to manage and share their personal data by themselves.Type: ApplicationFiled: December 29, 2018Publication date: February 24, 2022Inventors: Zhiyuan Hu, Duan Chen, Yueming Yin, Zhigang Luo
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Patent number: 11184319Abstract: A method, a device, an apparatus and a computer-readable storage medium for MAC address conflict detection. The method includes: in response to detecting a wireless local area network, transmitting, at a first device, a dummy MAC address of the first device to a second device in the wireless local area network, the dummy MAC address being different from a real MAC address of the first device; transmitting an address conflict detection request for the dummy MAC address to the second device; and in response to an address conflict detection response from the second device indicating that there is no conflict for the dummy MAC address, establishing a connection with the wireless local area network. The method may effectively protect privacy information for a user of a terminal device, while avoiding a MAC address conflict, such that the user can communicate in a secure network environment.Type: GrantFiled: June 4, 2020Date of Patent: November 23, 2021Assignee: Nokia Solutions and Networks OyInventors: Zhiyuan Hu, Duan Chen, Yueming Yin, Zhigang Luo
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Publication number: 20210273883Abstract: Example embodiments of the present disclosure relate to enablement of a service function chain based on a software defined network. In some embodiments, there is provided a method implemented at a service function chain controller. The method comprises creating a service function chain for a packet, the service function chain comprising a set of ordered service functions that are to process the packet; and configuring respective forwarding rules associated with the service function chain directly or indirectly to a plurality of network nodes in a software defined network, the respective forwarding rules indicating how the plurality of network nodes forward the packet to the set of ordered service functions in the service function chain. In this way, it is possible to enable the service function chain in the software defined network.Type: ApplicationFiled: July 11, 2018Publication date: September 2, 2021Inventors: Zhiyuan HU, Duan CHEN, Zhigang LUO
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Publication number: 20200403967Abstract: A method, a device, an apparatus and a computer-readable storage medium for MAC address conflict detection. The method includes: in response to detecting a wireless local area network, transmitting, at a first device, a dummy MAC address of the first device to a second device in the wireless local area network, the dummy MAC address being different from a real MAC address of the first device; transmitting an address conflict detection request for the dummy MAC address to the second device; and in response to an address conflict detection response from the second device indicating that there is no conflict for the dummy MAC address, establishing a connection with the wireless local area network. The method may effectively protect privacy information for a user of a terminal device, while avoiding a MAC address conflict, such that the user can communicate in a secure network environment.Type: ApplicationFiled: June 4, 2020Publication date: December 24, 2020Inventors: Zhiyuan HU, Duan Chen, Yueming Yin, Zhigang Luo
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Publication number: 20170246267Abstract: The invention provides for methods for treating gastric cancer or colon cancer in a subject by administering a cholinergic antagonist, a Botulinum toxin, a NGF inhibitior, a TRK inhibitor, or performing a surgical denervation. The invention provides for inhibiting stem cells growth by administering a cholinergic antagonist, a Botulinum toxin, a NGF inhibitior, a TRK inhibitor, or performing a surgical denervation. The invention provides for stimulating regeneration of the colon or stomach by administering a cholinergic agonist.Type: ApplicationFiled: February 21, 2017Publication date: August 31, 2017Inventors: Timothy C. WANG, Duan CHEN, Chun-Mei ZHAO
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Patent number: 9197550Abstract: A method and corresponding device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network are disclosed. In the method, a value in a backbone service instance identifier (I-SID) field of the received data packet is firstly examined, then a virtual split horizon group corresponding to the data packets is determined based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packets between different pseudo wire ports of the PBB-VPLS network. With the dynamic split horizon group, the method dynamically adapts to different forwarding rules for multiple I-VPLS instances with different tree topologies, and is capable of supporting multiple I-VPLS instances with different root sites and tree topologies in one B-VPLS instance, thereby ensuring the stability of the backbone network and reducing the network operation cost.Type: GrantFiled: December 17, 2009Date of Patent: November 24, 2015Assignee: Alcatel LucentInventors: Lixin Zhang, Duan Chen, Lijun Chen
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Publication number: 20140204917Abstract: A method of managing packet transmission for a first wireless system wherein the first wireless system coexists with at least one second wireless system includes receiving a first type of packet of the first wireless system; determining whether the step of receiving the first type of packet is interfered by a second type of packet of one of the at least one second wireless system; and modifying a priority of the first type of packet when the first type of packet is interfered.Type: ApplicationFiled: December 4, 2013Publication date: July 24, 2014Applicant: Ralink Technology Corp.Inventors: Yu-Ju Lee, Po-Hsun Huang, Sheng-Da Chiang, You-Duan Chen, Shih-Chin Jung, Ching-Hwa Yu, Chia-Hsiang Hsu
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Publication number: 20120243545Abstract: A method and corresponding device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network are disclosed. In the method, a value in a backbone service instance identifier (I-SID) field of the received data packet is firstly examined, then a virtual split horizon group corresponding to the data packets is determined based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packets between different pseudo wire ports of the PBB-VPLS network. With the dynamic split horizon group, the method dynamically adapts to different forwarding rules for multiple I-VPLS instances with different tree topologies, and is capable of supporting multiple I-VPLS instances with different root sites and tree topologies in one B-VPLS instance, thereby ensuring the stability of the backbone network and reducing the network operation cost.Type: ApplicationFiled: December 17, 2009Publication date: September 27, 2012Inventors: Lixin Zhang, Duan Chen, Lijun Chen
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Publication number: 20100260291Abstract: A carrier recovery device for a communication receiver is disclosed. The carrier recovery device includes an A/D converter for converting an analog signal received by the communication receiver to a digital signal, a frequency compensator coupled to the A/D converter for compensating frequency of the digital signal according to a carrier frequency offset value, a filter coupled to the frequency compensator for filtering the digital signal to generate an output signal, and a frequency offset estimator coupled to the filter and the frequency compensator for estimating the carrier frequency offset value according to the output signal and providing the carrier frequency offset value to the frequency compensator for implementing carrier recovery.Type: ApplicationFiled: September 23, 2009Publication date: October 14, 2010Inventors: Wen-Sheng Hou, You-Duan Chen, Wen-Tong Kuo
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Patent number: 7567640Abstract: The invention relates to a phase offset tracking module and method for tracking a phase offset, and in particular, to a phase offset tracking module and method for tracking a phase offset in a receiver. A phase offset tracking method comprises: utilizing a first and a second registers to respectively store a first and a second register values; estimating an error phase according to an input phase and an output phase; setting the first register value to an unit phase error initially; setting the second register value according to the first register value; filtering the error phase to generate a filtered signal according to the first register value; accumulating the filtered signal continuously according to the second register value to generate the output phase; and compensating the phase offset in each input symbol according to the output phase.Type: GrantFiled: May 2, 2006Date of Patent: July 28, 2009Assignee: Faraday Technology Corp.Inventor: You-Duan Chen
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Publication number: 20070258524Abstract: The invention relates to a phase offset tracking module and method for tracking a phase offset, and in particular, to a phase offset tracking module and method for tracking a phase offset in a receiver. A phase offset tracking method comprises: utilizing a first and a second registers to respectively store a first and a second register values; estimating an error phase according to an input phase and an output phase; setting the first register value to an unit phase error initially; setting the second register value according to the first register value; filtering the error phase to generate a filtered signal according to the first register value; accumulating the filtered signal continuously according to the second register value to generate the output phase; and compensating the phase offset in each input symbol according to the output phase.Type: ApplicationFiled: May 2, 2006Publication date: November 8, 2007Applicant: Faraday Technology Corp.Inventor: You-Duan Chen
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Patent number: 7023250Abstract: A phase lock loop PLL which includes an oscillator having an oscillator signal whose frequency is related to a received error correction signal and phase frequency detector receiving and comparing the oscillator signal and a reference signal from a master circuit and generating the error correction signal based on the phase difference of the oscillator signal and the reference signal. A filter, including a capacitor, connects the error correction signal from the phase-frequency detector to the oscillator. A rate selector monitors a charge on the capacitor and controls the rate of error connection signals as a function of the charge on the capacitor.Type: GrantFiled: April 16, 2004Date of Patent: April 4, 2006Assignee: Intersil Americas Inc.Inventor: Shyng Duan Chen
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Patent number: 6998890Abstract: A phase-lock loop which includes an oscillator having an oscillator signal whose frequency is related to a received error correction signal and phase-frequency detector receiving and comparing the oscillator signal and a reference signal from the master circuit and generating the error correction signal based on the phase difference of the oscillator signal and the reference signal. A first window circuit counts the number of comparing cycles of the detector and provides a first window signal for the transmission of the error correction signals from the detector to the oscillator at a frequency of a predetermined number of counted comparing cycles. A second window circuit which, in response to at least the oscillator signal, narrows the first window signal to limit the duration of the correction signal for irregular reference signals.Type: GrantFiled: March 31, 2004Date of Patent: February 14, 2006Assignee: Intersil Americas Inc.Inventor: Shyng Duan Chen
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Publication number: 20050254062Abstract: Apparatus and method for detecting the presence or amount or rate of binding of an analyte in a sample solution is disclosed. The apparatus includes an optical assembly having first and second reflecting surfaces separated by a distance ādā greater than 50 nm, where the first surface is formed by a layer of analyte-binding molecules, and a light source for directing a beam of light onto said first and second reflecting surface. A detector in the apparatus operates to detect a change in the thickness of the first reflecting layer resulting from binding of analyte to the analyte-binding molecules, when the assembly is placed in the solution of analyte, by detecting a shift in phase of light waves reflected from the first and second surfaces.Type: ApplicationFiled: November 4, 2004Publication date: November 17, 2005Applicant: Fortebio, Inc.Inventors: Hong Tan, Duan Chen, Yushan Tan, Krista Witte