Patents by Inventor Meng Cao
Meng Cao 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: 11967291Abstract: A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated by a backlight unit that includes an array of light-emitting diodes (LEDs). The backlight unit may determine the type of content in the image data. The backlight unit may decide to prioritize either mitigating halo or mitigating clipping based on the type of content. The determination of the type of content in the image data may be used to determine the brightness values for the LEDs in the LED array. If the content is determined to be a first type of content, at least one given LED in the LED array may have a different brightness value than if the content is determined to be a second, different type of content. Classifying content in the image data may be useful in optimizing visible artifacts such as visible halo and clipping.Type: GrantFiled: June 2, 2023Date of Patent: April 23, 2024Assignee: Apple Inc.Inventors: Mohammad Tofighi, Meng Cao, Pierre-Yves Emelie, Duane M Petrovich, Shuo Han, Zhendong Hong, Tobias Jung, Marc Albrecht, Jiulong Shan, Wei H Yao
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Patent number: 11940009Abstract: A bearing seal including an anchoring portion fixed on an inner ring of the bearing, and a sealing portion capable of forming a sealing fit with an outer ring of the bearing, the seal providing rigid slinger of substantially circular shape, the slinger having a root portion formed at a position corresponding to the anchoring portion for stabilization and support, and a radial portion formed in the section corresponding to the area between the anchoring portion and the sealing portion for radial support, wherein the radial portion is formed with at least one slot with the opening direction facing the radial periphery.Type: GrantFiled: July 11, 2022Date of Patent: March 26, 2024Assignee: Aktiebolaget SKFInventors: Meng Zhang, Keqiang Cao, Yi Zhang, He Zhu
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Publication number: 20240077108Abstract: A cage includes a first sub-part having a plurality of first partitions integrated as a whole and a plurality of first pocket portions formed by adjacent first partitions. A second sub-part has a plurality of second partitions integrated as a whole and a plurality of second pocket portions formed by adjacent second partitions. A first recess is provided on the first partition belonging to a first set of the plurality of first partitions. A second pin extends along an axial direction from the second partition belonging to a second set of the plurality of second partitions. The second pin is fixed in its corresponding first recess. The first set of first partitions includes any one or more of the plurality of first partitions. The second set of second partitions includes any one or more of the plurality of second partitions and correspond to the first set of first partitions respectively.Type: ApplicationFiled: August 30, 2023Publication date: March 7, 2024Inventors: Keqiang CAO, Gaojie JIANG, Meng ZHANG, He ZHU
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Publication number: 20240077112Abstract: A cage includes a first sub-part having a plurality of first partitions integrated as a whole and a plurality of first pocket portions formed by adjacent first partitions. A first engaging portion is formed on at least one of the first partitions. A second sub-part includes a plurality of second partitions integrated as a whole and a plurality of second pocket portions formed by adjacent second partitions. A second engaging portion is formed on at least one of the second partitions. A pocket is formed by the first pocket portion and its corresponding second pocket portion. Each first engaging portion snaps with its corresponding second engaging portion. The cage overcomes the harmful umbrella effect found in a one-piece polymer prong-type cage, so that the bearing equipped with this cage can operate under very high speeds. The cage can be part of a ball bearing.Type: ApplicationFiled: August 29, 2023Publication date: March 7, 2024Inventors: Gaojie JIANG, Keqiang Cao, Meng Zhang, He Zhu
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Patent number: 11913420Abstract: An anchoring device for adapting to tide level for a wave energy power generation device comprises: a housing, wherein a central main shaft is provided at the center thereof, two ends of the central main shaft are respectively rigidly connected to a volute spring, and the interior of the housing is divided into several independent compartments, including a central compartment accommodating the central main shaft; a shaft lock and a central main gear capable of driving the central main shaft to rotate mounted on the central main shaft; and a plurality of hoisting wheel compartments arranged at equal intervals in a circumferential array around the central main shaft. A hoisting wheel is provided in each of the hoisting wheel compartments, and an anchor chain wound on the hoisting wheel protrudes out of the housing through an opening at the bottom of the hoisting wheel compartment.Type: GrantFiled: January 10, 2020Date of Patent: February 27, 2024Assignee: OCEAN UNIVERSITY OF CHINAInventors: Feifei Cao, Hongda Shi, Meng Han, Xiaoqiang Jiang, Ziyue Zhong, Yilin Pan, Haozhe Bai, Zhen Liu, Ji Tao
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Patent number: 11901592Abstract: The invention provides an SOFC cooling system. For the feature that not all components work in the full operation process of an SOFC, a DC step-down transformer DCDC, a fan and a condenser are connected in parallel, and a solenoid valve is installed in each parallel pipeline for controlling on/off of each pipeline according to a corresponding signal. Compared with the traditional SOFC cooling system, the constant-flow serial cooling system will reduce pressure losses and the power of a water pump; a solenoid valve is installed in each parallel pipeline for controlling on/off of each branch according to a corresponding signal; considering the cooling requirements of SOFC during start-up, power generation and shutdown, all components are cooled in parallel through reasonable design of each parallel pipeline, consequently to improve the cooling effect and reduce the energy consumption; the invention also discloses a fuel cell and hybrid vehicle.Type: GrantFiled: September 30, 2020Date of Patent: February 13, 2024Assignee: Ceres Intellectual Property Company LimitedInventors: Longkai Jiang, Youpeng Chen, Weilong Song, Yaxin Du, Meng Cao
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Publication number: 20220407091Abstract: The invention provides an SOFC cooling system. For the feature that not all components work in the full operation process of an SOFC, a DC step-down transformer DCDC, a fan and a condenser are connected in parallel, and a solenoid valve is installed in each parallel pipeline for controlling on/off of each pipeline according to a corresponding signal. Compared with the traditional SOFC cooling system, the constant-flow serial cooling system will reduce pressure losses and the power of a water pump; a solenoid valve is installed in each parallel pipeline for controlling on/off of each branch according to a corresponding signal; considering the cooling requirements of SOFC during start-up, power generation and shutdown, all components are cooled in parallel through reasonable design of each parallel pipeline, consequently to improve the cooling effect and reduce the energy consumption; the invention also discloses a fuel cell and hybrid vehicle.Type: ApplicationFiled: September 30, 2020Publication date: December 22, 2022Inventors: Longkai Jiang, Youpeng Chen, Weilong Song, Yaxin Du, Meng Cao
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Publication number: 20220376274Abstract: A cold-hot component support structure, comprising a base and a connected support connected on the base by a bolt, wherein a bolt mounting hole is provided on the connected support, and an upper end face and a lower end face of the connected support are provided with an upper heat insulation block and a lower heat insulation block respectively. The lower heat insulation block is provided with a limit hole connecting the bolt mounting hole, and the upper heat insulation block is extended with a limit sleeve inserted in the limit hole. The supported support is clamped between the upper heat insulation block and the lower heat insulation block by an insertion structure between the upper heat insulation block and the lower heat insulation block, and an inner wall of a bolt hole on the connected support is insulated by the limit sleeve, so as to realize effective heat insulation of the connected support and reduce heat loss of the connected support.Type: ApplicationFiled: September 30, 2020Publication date: November 24, 2022Inventors: Chunlei Gao, Hongmin Cao, Meng Cao, Yi Zhang
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Publication number: 20210126254Abstract: An electrochemically active material includes an alloy represented by general formula (I): SiaTibOcNdMe, (I) where a, b, c, d, and e represent atomic % values, a+b+c+d+e=100, M includes carbon or a transition metal element other than titanium, a>20, a+b+e?c+d, c?0, d>5, e?0, and a/b>0.5. The alloy includes a transition metal silicide, titanium nitride, or titanium oxynitride phase, and the phase has a Schemer grain size that is greater than 2 nm and less than 10 nm.Type: ApplicationFiled: April 12, 2019Publication date: April 29, 2021Inventors: Mark N. OBROVAC, Yukun WANG, Si-meng CAO
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Patent number: 10925912Abstract: The invention discloses a ginseng-derived nanoparticle and a preparation method and application thereof. The ginseng-derived nanoparticle disclosed in the invention has a membrane structure, a particle size ranging from 150 to 500 nm and a peak particle size of 280 to 350 nm; and the ginseng-derived nanoparticle is prepared by multiple centrifugation, filtration and impurity removal. The ginseng-derived nanoparticle has good application prospects in developing drugs for preparing natural immunopotentiators and for preparing natural anti-tumor drugs.Type: GrantFiled: June 19, 2017Date of Patent: February 23, 2021Assignee: JIANGSU PROVINCE INSTITUTE OF TRADITIONAL CHINESE MEDICINEInventors: Peng Cao, Meng Cao, Huaijiang Yan
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Patent number: 10895810Abstract: Embodiments include automatic selection of sample values for optical metrology. An embodiment of a method includes providing a library parameter space for modeling of a diffracting structure using an optical metrology system; automatically determining by a processing unit a reduced sampling set from the library parameter space, wherein the reduced space is based on one or both of the following recommending a sampling shape based on an expected sample space usage, or recommending a sampling filter based on correlation between two or more parameters of the library parameter space; and generating a library for the optical metrology system using the reduced sampling set.Type: GrantFiled: November 15, 2014Date of Patent: January 19, 2021Assignee: KLA CorporationInventors: Meng Cao, Leonid Poslavsky, Inkyo Kim, Lie-Quan Lee
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Patent number: 10732520Abstract: Methods and systems for optimizing a set of measurement library control parameters for a particular metrology application are presented herein. Measurement signals are collected from one or more metrology targets by a target measurement system. Values of user selected parameters of interest are resolved by fitting a pre-computed measurement library function to the measurement signals for a given set of library control parameters. Values of one or more library control parameters are optimized such that differences between the values of the parameters of interest estimated by the library based measurement and reference values associated with trusted measurements of the parameters of interest are minimized. The optimization of the library control parameter values is performed without recalculating the pre-computed measurement library.Type: GrantFiled: May 20, 2019Date of Patent: August 4, 2020Assignee: KLA Tencor CorporationInventors: Meng Cao, Lie-Quan Lee, Qiang Zhao, Heyin Li, Mengmeng Ye
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Publication number: 20200016223Abstract: The invention discloses a ginseng-derived nanoparticle and a preparation method and application thereof. The ginseng-derived nanoparticle disclosed in the invention has a membrane structure, a particle size ranging from 150 to 500 nm and a peak particle size of 280 to 350 nm; and the ginseng-derived nanoparticle is prepared by multiple centrifugation, filtration and impurity removal. The ginseng-derived nanoparticle has good application prospects in developing drugs for preparing natural immunopotentiators and for preparing natural anti-tumor drugs.Type: ApplicationFiled: June 19, 2017Publication date: January 16, 2020Inventors: Peng CAO, Meng CAO, Huaijiang YAN
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Patent number: 10502692Abstract: Methods and systems for evaluating and ranking the measurement efficacy of multiple sets of measurement system combinations and recipes for a particular metrology application are presented herein. Measurement efficacy is based on estimates of measurement precision, measurement accuracy, correlation to a reference measurement, measurement time, or any combination thereof. The automated the selection of measurement system combinations and recipes reduces time to measurement and improves measurement results. Measurement efficacy is quantified by a set of measurement performance metrics associated with each measurement system and recipe. In one example, the sets of measurement system combinations and recipes most capable of measuring the desired parameter of interest are presented to the user in rank order based on corresponding values of one or more measurement performance metrics. A user is able to select the appropriate measurement system combination in an objective, quantitative manner.Type: GrantFiled: May 27, 2016Date of Patent: December 10, 2019Assignee: KLA-Tencor CorporationInventors: Meng Cao, Lie-Quan Lee, Qiang Zhao, Heyin Li, Mengmeng Ye
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Patent number: 10345721Abstract: Methods and systems for optimizing a set of measurement library control parameters for a particular metrology application are presented herein. Measurement signals are collected from one or more metrology targets by a target measurement system. Values of user selected parameters of interest are resolved by fitting a pre-computed measurement library function to the measurement signals for a given set of library control parameters. Values of one or more library control parameters are optimized such that differences between the values of the parameters of interest estimated by the library based measurement and reference values associated with trusted measurements of the parameters of interest are minimized. The optimization of the library control parameter values is performed without recalculating the pre-computed measurement library.Type: GrantFiled: June 16, 2016Date of Patent: July 9, 2019Assignee: KLA-Tencor CorporationInventors: Meng Cao, Lie-Quan Lee, Qiang Zhao, Heyin Li, Mengmeng Ye
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Patent number: 10190868Abstract: A metrology system, method, and computer program product that employ automatic transitioning between utilizing a library and utilizing regression for measurement processing are provided. In use, it is determined, by the metrology system, that a predetermined condition has been met. In response to determining that the predetermined condition has been met, the metrology system automatically transitions between utilizing a library and utilizing regression for measurement processing.Type: GrantFiled: August 13, 2015Date of Patent: January 29, 2019Assignee: KLA-Tencor CorporationInventors: Liequan Lee, Raphael Jean Michel Marie Getin, Meng Cao, Leonid Poslavsky, Torsten Rudolf Kaack, Hong Qiu
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Publication number: 20170023491Abstract: Methods and systems for evaluating and ranking the measurement efficacy of multiple sets of measurement system combinations and recipes for a particular metrology application are presented herein. Measurement efficacy is based on estimates of measurement precision, measurement accuracy, correlation to a reference measurement, measurement time, or any combination thereof. The automated the selection of measurement system combinations and recipes reduces time to measurement and improves measurement results. Measurement efficacy is quantified by a set of measurement performance metrics associated with each measurement system and recipe. In one example, the sets of measurement system combinations and recipes most capable of measuring the desired parameter of interest are presented to the user in rank order based on corresponding values of one or more measurement performance metrics. A user is able to select the appropriate measurement system combination in an objective, quantitative manner.Type: ApplicationFiled: May 27, 2016Publication date: January 26, 2017Inventors: Meng Cao, Lie-Quan Lee, Qiang Zhao, Heyin Li, Mengmeng Ye
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Publication number: 20160322267Abstract: Disclosed are apparatus and methods for characterizing a plurality of structures of interest on a semiconductor wafer. A plurality of models having varying combinations of floating and fixed critical parameters and corresponding simulated spectra is generated. Each model is generated to determine one or more critical parameters for unknown structures based on spectra collected from such unknown structures. It is determined which one of the models best correlates with each critical parameter based on reference data that includes a plurality of known values for each of a plurality of critical parameters and corresponding known spectra. For spectra obtained from an unknown structure using a metrology tool, different ones of the models are selected and used to determine different ones of the critical parameters of the unknown structure based on determining which one of the models best correlates with each critical parameter based on the reference data.Type: ApplicationFiled: July 7, 2016Publication date: November 3, 2016Applicant: KLA-Tencor CorporationInventors: In-Kyo Kim, Xin Li, Leonid Poslavsky, Liequan Lee, Meng Cao, Sungchul Yoo, Andrei V. Shchegrov, Sangbong Park
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Publication number: 20160320315Abstract: A metrology system, method, and computer program product that employ automatic transitioning between utilizing a library and utilizing regression for measurement processing are provided. In use, it is determined, by the metrology system, that a predetermined condition has been met. In response to determining that the predetermined condition has been met, the metrology system automatically transitions between utilizing a library and utilizing regression for measurement processing.Type: ApplicationFiled: August 13, 2015Publication date: November 3, 2016Inventors: Liequan Lee, Raphael Jean Michel Marie Getin, Meng Cao, Leonid Poslavsky, Torsten Rudolf Kaack, Hong Qiu
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Patent number: 9412673Abstract: Disclosed are apparatus and methods for characterizing a plurality of structures of interest on a semiconductor wafer. A plurality of models having varying combinations of floating and fixed critical parameters and corresponding simulated spectra is generated. Each model is generated to determine one or more critical parameters for unknown structures based on spectra collected from such unknown structures. It is determined which one of the models best correlates with each critical parameter based on reference data that includes a plurality of known values for each of a plurality of critical parameters and corresponding known spectra. For spectra obtained from an unknown structure using a metrology tool, different ones of the models are selected and used to determine different ones of the critical parameters of the unknown structure based on determining which one of the models best correlates with each critical parameter based on the reference data.Type: GrantFiled: August 14, 2014Date of Patent: August 9, 2016Assignee: KLA-Tencor CorporationInventors: In-Kyo Kim, Xin Li, Leonid Poslavsky, Liequan Lee, Meng Cao, Sungchul Yoo, Andrei V. Shchegrov, Sangbong Park