Patents by Inventor Wenjian Zhang
Wenjian Zhang 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: 9464997Abstract: Methods and apparatuses for measuring an effective atomic number of an object are disclosed. The apparatus includes: a ray source configured to product a first X-ray beam having a first energy and a second X-ray beam having a second energy; a Cherenkov detector configured to receive the first X-ray beam and the second X-ray beam that pass through an object under detection, and to generate a first detection value and a second detection value; and a data processing device configured to obtain an effective atomic number of the object based on the first detection value and the second detection value. The Cherenkov detector can eliminate disturbance of X-rays below certain energy threshold with respect to the object identification, and thus accuracy can be improved for object identification.Type: GrantFiled: December 28, 2012Date of Patent: October 11, 2016Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Shuwei Li, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Yinong Liu, Qingjun Zhang, Weibin Zhu, Yi Wang, Shuqing Zhao, Wenjian Zhang
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Publication number: 20160187500Abstract: A method for processing a ceramic scintillator array, characterized in that, comprising the following steps: (a) forming, in a first direction, a predetermined number of straight first-direction through-cuts which are parallel to each other and spaced from each other on a scintillator substrate by using laser; (b) adequately filling the first-direction through-cuts with an adhesive and solidifying the adhesive; (c) forming, in a second direction. a predetermined number of second direction through-cuts which are parallel to each other at a predetermined interval on the scintillator substrate by using laser, wherein the second direction is perpendicular to the first direction; and (d) adequately filling the second direction through-cuts with the adhesive and solidifying the adhesive bond.Type: ApplicationFiled: December 29, 2015Publication date: June 30, 2016Inventors: Yanchun WANG, Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Jianping CHANG, Wenjian ZHANG, Shuqing ZHAO, Xiang ZOU, Yongqiang WANG
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Publication number: 20160074321Abstract: The present invention is directed to an ophthalmic composition, method for preparing the same, and use of the same. The ophthalmic composition includes a mixture of lipid nano-dispersion and gel substrate, wherein the lipid nano-dispersion includes a first lipid, a second lipid, and emulsifier; in which the first lipid exists in form of solid lipid as staring material, and the second lipid exists in form of liquid lipid as staring material. The ophthalmic composition can better reduce the symptoms of dry eye, and is safe, convenient and economical to use, and can be used during daytime without blocking of vision.Type: ApplicationFiled: March 27, 2013Publication date: March 17, 2016Inventors: Gang WEI, Benjamin Tak Kwong LEE, Wenjian ZHANG, Weiyue LU, Johnson Yiu-Nam LAU, Shun Chiu Dennis LAM
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Publication number: 20160046861Abstract: The present disclosure is directed to a rapid process for the preparation of gadolinium oxysulfide having a general formula of Gd2O2S, referred to as GOS, scintillation ceramics by using the combination of spark plasma primary sintering (SPS) and hot isostatic pressing secondary sintering.Type: ApplicationFiled: August 14, 2015Publication date: February 18, 2016Inventors: Yanchun WANG, Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Jianping Chang, Shuqing Zhao, Wenjian Zhang, Yongqiang Wang
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Publication number: 20160046860Abstract: The present disclosure is directed to a low cost sintering process for the preparation of gadolinium oxysulfide having a general formula of Gd2O2S, referred to as GOS, scintillation ceramics, comprising uniaxial hot pressing primary sintering and hot isostatic pressing secondary sintering.Type: ApplicationFiled: August 14, 2015Publication date: February 18, 2016Inventors: Yanchun WANG, Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Jianping Chang, Shuqing Zhao, Wenjian Zhang, Yongqiang Wang
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Publication number: 20160008416Abstract: The invention provides formulations to prevent or treat decreasing platelet cell counts. The formulations essentially consist of peanut skins, papaya leaves, folic acid, vitamin B12, vitamin C, vitamin D, vitamin E, selenium, and iron. In some formulations, some vitamins are replaced by fruit or vegetable juice.Type: ApplicationFiled: July 8, 2014Publication date: January 14, 2016Inventors: Huihong Qiao, Wenjian Zhang
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Patent number: 9118466Abstract: The present invention provides a method, device and system for backhaul link communication in a TDD system. Wherein, the method includes: a base station allocating an uplink subframe for uplink transmitting of the backhaul link and a downlink subframe for downlink transmitting of the backhaul link, and notifying subframe allocating information to a relay node; and the base station communicating with the relay node by the uplink subframe and the downlink subframe of the backhaul link. The solution allocates the uplink subframe and the downlink subframe of the backhaul link according to certain rules, performs related HARQ operation based on the allocated uplink subframe and downlink subframe, and ensures the availability and reliability of backhaul link communication.Type: GrantFiled: April 20, 2010Date of Patent: August 25, 2015Assignee: China Academy of Telecommunications TechnologyInventors: Wenjian Zhang, Xueming Pan, Libo Wang, Zukang Shen
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Patent number: 9077495Abstract: The present invention discloses a method on a Long Term Evolution-Advanced (LTE-A) system backhaul link for demodulation pilot transmission, wherein the method includes that: among the resource areas occupied by a Relay-Physical Downlink Shared Channel (R-PDSCH) on the backhaul link, a base station selects the resource units which are preconfigured for sending the demodulation pilot signal of the R-PDSCH; the base station sends the demodulation pilot signal to a Relay Node (RN) belonging to the base station by using the selected resource units. The present invention also discloses a channel demodulation method on the LTE-A system backhaul link, an LTE-A communication system and device. The demodulation performance of the R-PDSCH in the LTE-A system can be ensured with the present invention.Type: GrantFiled: September 28, 2010Date of Patent: July 7, 2015Assignee: China Academy of Telecommunications TechnologyInventors: Libo Wang, Xueming Pan, Guojun Xiao, Deshan Miao, Wenjian Zhang
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Patent number: 9049706Abstract: An embodiment of the present application provides a relay timing adjustment method, system and device, relating to the technical field of wireless communications, for use in solving the problem of how to synchronize base station downlink transmission and relay device downlink transmission in an Advanced Long Term Evolution (LTE-A) system. In this application, the base station sends an access downlink transmission timing adjustment command to the relay device. When the relay device receives said access downlink transmission timing adjustment command, the downlink transmission timing is adjusted in said relay device according to said received access downlink transmission timing adjustment command. This invention is thus able to synchronize relay device access downlink transmission timing with base station downlink transmission timing.Type: GrantFiled: August 4, 2011Date of Patent: June 2, 2015Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Wenjian Zhang, Libo Wang, Zukang Shen, Xueming Pan, Guojun Xiao
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Patent number: 9030999Abstract: A method and device for transmitting pilot configuration information are provided for transmitting the pilot configuration information to relay nodes, and enabling the relay nodes to receive pilots according to the pilot configuration information and implement channel demodulation. Said method includes the following steps: a Node B generates a high-level signaling which includes the pilot configuration information configured for the Relay-Physical Downlink Control Channel (R-PDCCH); the Node B transmits said high-level signaling to a relay device.Type: GrantFiled: March 22, 2011Date of Patent: May 12, 2015Assignee: China Academy of Telecommunications TechnologyInventors: Zukang Shen, Libo Wang, Xueming Pan, Wenjian Zhang
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Patent number: 8949102Abstract: The subject application relates to a method and system for power delivery network analysis. The present disclosure is directed towards a computer-implemented method for analyzing a power delivery network (PDN) system. The method may include receiving at least one of a chip power model, a package power model and a board power model at the computing device and co-simulating at least two of the chip power model, the package power model, and the board power model. Numerous other features are also within the scope of the present disclosure.Type: GrantFiled: February 24, 2012Date of Patent: February 3, 2015Assignee: Cadence Design Systems, Inc.Inventors: Wenliang Dai, Lanbing Chen, Guoying Feng, Ping Liu, Dennis Nagle, Jilin Tan, Wenjian Zhang, Qi Zhao, ZhongYong Zhou
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Patent number: 8879462Abstract: There are a method, system and device for transmitting uplink feedback information by allocating a PUCCH resource to an RN device in LTE-A system so that the RN device can transmit uplink feedback information over the allocated PUCCH resource. The method according to an embodiment of the present invention includes: a base station selecting from a PUCCH resources pool at least one dedicated PUCCH resources for each RN device served by the base station and transmitting a resources index number corresponding to the PUCCH resource to the each RN device respectively in higher layer signaling, the resource index number is used for indicating the RN device to transmit the uplink feedback information over the PUCCH resources corresponding to the resources index number. In the embodiment of the present invention, a PUCCH resource can be allocated to the RN device in LTE-A system so that the RN device can transmit the uplink feedback information over the allocated PUCCH resources.Type: GrantFiled: October 22, 2010Date of Patent: November 4, 2014Assignee: China Academy of Telecommunications TechnologyInventors: Wenjian Zhang, Xueming Pan, Zukang Shen, Guojun Xiao, Libo Wang
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Publication number: 20140314201Abstract: Methods and apparatuses for measuring an effective atomic number of an object are disclosed. The apparatus includes: a ray source configured to product a first X-ray beam having a first energy and a second X-ray beam having a second energy; a Cherenkov detector configured to receive the first X-ray beam and the second X-ray beam that pass through an object under detection, and to generate a first detection value and a second detection value; and a data processing device configured to obtain an effective atomic number of the object based on the first detection value and the second detection value. The Cherenkov detector can eliminate disturbance of X-rays below certain energy threshold with respect to the object identification, and thus accuracy can be improved for object identification.Type: ApplicationFiled: December 28, 2012Publication date: October 23, 2014Inventors: Shuwei LI, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Yinong Liu, Qingjun Zhang, Weibin Zhu, Yi Wang, Shuqing Zhao, Wenjian Zhang
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Patent number: 8631381Abstract: The subject application relates to a method and system for power delivery network analysis. The present disclosure is directed towards a computer-implemented method for analyzing a power delivery network (PDN) associated with an electronic circuit design. Embodiments may include extracting, using at least one processor, an electromagnetic (EM) model for each of one or more discontinuity structures associated with the circuit design and generating a three dimensional adaptive mesh model that is based upon, at least in part, the extracted EM model. Numerous other features are also within the scope of the present disclosure.Type: GrantFiled: February 24, 2012Date of Patent: January 14, 2014Assignee: Cadence Design Systems, Inc.Inventors: Wenliang Dai, Lanbing Chen, Guoying Feng, Ping Liu, Dennis Nagle, Jilin Tan, Wenjian Zhang, Qi Zhao, ZhongYong Zhou
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Patent number: 8553609Abstract: A method, system and device for transmitting and detecting control signaling in a backhaul link are disclosed in the present application, and the application relating to the wireless communication field is used for saving time-frequency resources occupied by a base station for transmitting the control signaling on a Relay Physical Downlink Control Channel (R-PDCCH) of the backhaul link and reducing the complexity of the R-PDCCH detection by a relay node.Type: GrantFiled: March 21, 2011Date of Patent: October 8, 2013Assignee: China Academy of Telecommunications TechnologyInventors: Zukang Shen, Libo Wang, Xueming Pan, Shaohui Sun, Wenjian Zhang
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Patent number: 8539422Abstract: The subject application relates to a method and system for power delivery network analysis. The present disclosure is directed towards a computer-implemented method for displaying one or more results of a power delivery network (PDN) analysis associated with an electronic circuit design. The method may include extracting, using at least one processor, an electromagnetic (EM) model for each of one or more discontinuity structures associated with the electronic circuit design. The method may further include performing a power delivery network analysis of the electronic circuit design, the PDN analysis including a Method of Moments (MoM) calculation. The method may also include displaying a three dimensional image depicting one or more results of the PDN analysis. Numerous other features are also within the scope of the present disclosure.Type: GrantFiled: February 24, 2012Date of Patent: September 17, 2013Assignee: Cadence Design Systems, Inc.Inventors: Wenliang Dai, Lanbing Chen, Guoying Feng, Ping Liu, Dennis Nagle, Jilin Tan, Wenjian Zhang, Qi Zhao, ZhongYong Zhou
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Publication number: 20130142106Abstract: An embodiment of the present application provides a relay timing adjustment method, system and device, relating to the technical field of wireless communications, for use in solving the problem of how to synchronize base station downlink transmission and relay device downlink transmission in an Advanced Long Term Evolution (LTE-A) system. In this application, the base station sends an access downlink transmission timing adjustment command to the relay device. When the relay device receives said access downlink transmission timing adjustment command, the downlink transmission timing is adjusted in said relay device according to said received access downlink transmission timing adjustment command. This invention is thus able to synchronize relay device access downlink transmission timing with base station downlink transmission timing.Type: ApplicationFiled: August 4, 2011Publication date: June 6, 2013Inventors: Wenjian Zhang, Libo Wang, Zukang Shen, Xueming Pan, Guojun Xiao
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Publication number: 20130003647Abstract: A method and device for transmitting pilot configuration information are provided for transmitting the pilot configuration information to relay nodes, and enabling the relay nodes to receive pilots according to the pilot configuration information and implement channel demodulation. Said method includes the following steps: a Node B generates a high-level signaling which includes the pilot configuration information configured for the Relay-Physical Downlink Control Channel (R-PDCCH); the Node B transmits said high-level signaling to a relay device.Type: ApplicationFiled: March 22, 2011Publication date: January 3, 2013Applicant: China Academy of Telecommunications TechnologyInventors: Zukang Shen, Libo Wang, Xueming Pan, Wenjian Zhang
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Publication number: 20120327842Abstract: A method, system and device for transmitting and detecting control signaling in a backhaul link are disclosed in the present application, and the application relating to the wireless communication field is used for saving time-frequency resources occupied by a base station for transmitting the control signaling on a Relay Physical Downlink Control Channel (R-PDCCH) of the backhaul link and reducing the complexity of the R-PDCCH detection by a relay node.Type: ApplicationFiled: March 21, 2011Publication date: December 27, 2012Inventors: Zukang Shen, Libo Wang, Xueming Pan, Shaohui Sun, Wenjian Zhang
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Publication number: 20120221312Abstract: The subject application relates to a method and system for power delivery network analysis. The present disclosure is directed towards a computer-implemented method for analyzing a power delivery network (PDN) system. The method may include receiving at least one of a chip power model, a package power model and a board power model at the computing device and co-simulating at least two of the chip power model, the package power model, and the board power model. Numerous other features are also within the scope of the present disclosure.Type: ApplicationFiled: February 24, 2012Publication date: August 30, 2012Applicant: CADENCE DESIGN SYSTEMS, INC.Inventors: Wenliang DAI, Lanbing CHEN, Guoying FENG, Ping LIU, Dennis NAGLE, Jilin TAN, Wenjian ZHANG, Qi ZHAO, ZhongYong ZHOU