Patents by Inventor Cheng Du
Cheng Du 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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Publication number: 20240091561Abstract: A radiation therapy system is disclosed. The radiation therapy system includes a gantry, a first radiation source, and a second radiation source. The gantry is configured to have a cavity extending in a direction along a rotation axis, and the cavity is configured to house a target object. The first radiation source is mounted on the gantry, and configured to emit a treatment beam to a treatment area of the target object. The second radiation source is mounted on the gantry, and configured to emit an imaging beam to an imaging area of the target object. The treatment area partially overlaps the imaging area. A rotation plane of the first radiation source and a rotation plane of the second radiation source are distributed in a direction along the rotation axis.Type: ApplicationFiled: September 18, 2023Publication date: March 21, 2024Inventors: CAN LIAO, BO CAI, LING-QING MEI, ZHI-DU ZHANG, CHENG NI, WEI ZHANG
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Patent number: 11929871Abstract: The present disclosure provides a method for generating a backbone network, an apparatus for generating a backbone network, a device, and a storage medium. The method includes: acquiring a set of a training image, a set of an inference image, and a set of an initial backbone network; training and inferring, for each initial backbone network in the set of the initial backbone network, the initial backbone network by using the set of the training image and the set of the inference image, to obtain an inference time and an inference accuracy of a trained backbone network in an inference process; determining a basic backbone network based on the inference time and the inference accuracy of the trained backbone network in the inference process; and obtaining a target backbone network based on the basic backbone network and a preset target network.Type: GrantFiled: April 11, 2022Date of Patent: March 12, 2024Inventors: Cheng Cui, Tingquan Gao, Shengyu Wei, Yuning Du, Ruoyu Guo, Bin Lu, Ying Zhou, Xueying Lyu, Qiwen Liu, Xiaoguang Hu, Dianhai Yu, Yanjun Ma
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Patent number: 11919247Abstract: A powder-based three-dimensional printing (3DP) method, device and system, and a computer-readable storage medium. The method includes: analyzing printing images of layers corresponding to a part to be printed to determine a target print image and adding a preset mark to the target print image which includes a print image of a target layer that causes a previous powder layer of the target layer to displace during printing; acquiring an image to be printed of a current layer to be printed; identifying the image to be printed to determine whether the preset mark exists on the image to be printed; and if yes, processing the current layer to be printed and/or a previous powder layer of the current layer to be printed such that the previous powder layer of the current layer does not move with powder spreading of the current layer.Type: GrantFiled: December 19, 2021Date of Patent: March 5, 2024Assignee: KOCEL INTELLIGENT MACHINERY LIMITEDInventors: Fan Peng, Donge Zheng, Yinxue Du, Yi Liu, Jun Yang, Cheng Hu, Zixiang Zhou
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Patent number: 11846877Abstract: A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.Type: GrantFiled: April 14, 2022Date of Patent: December 19, 2023Assignee: Huawei Device Co., Ltd.Inventors: Cheng Du, Wei Su, Wei Luo, Bin Deng, Landi Li
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Patent number: 11825183Abstract: A method includes obtaining a first preview picture collected by a camera, where an angle of view FOV of the camera is a first FOV value. The camera collects the first preview picture based on a second FOV value, and the second FOV value is less than the first FOV value. The method further includes adjusting the second FOV value to a third FOV value when it is detected that a quantity of at least one target human face in the first preview picture is greater than a first preset value, where the third FOV value is greater than the second FOV value, and the third FOV value is less than or equal to the first FOV value; and outputting an image that is photographed by the camera based on the third FOV value.Type: GrantFiled: January 31, 2022Date of Patent: November 21, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xun Liu, Lei Wu, Cheng Du, Wei Luo
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Patent number: 11700452Abstract: This application provides a photographing method and an electronic device, and relates to the field of terminal technologies, to ensure stabilization performance existing during photographing in a zoom scenario, and improve definition of a photographing image. The method includes: obtaining a first photographing image through a first camera; determining a first crop ratio of the first photographing image based on a first zoom ratio of the first photographing image; cropping the first photographing image based on the first crop ratio; obtaining a second photographing image through the first camera in response to a first zoom operation; and cropping the second photographing image based on the second crop ratio; wherein the second crop ratio is greater than the first crop ratio, and a stabilization angle of the second photographing image is a product of the FOV of the first camera and the second crop ratio.Type: GrantFiled: August 19, 2020Date of Patent: July 11, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Rongyue Xu, Huanhuan Ao, Yuanyou Li, Congchao Zhu, Jieguang Huo, Cheng Du
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Patent number: 11685811Abstract: A high temperature resistant polyimide film and its preparation method. The present invention relates to a polyimide film and its preparation method and solves the problems of honeycomb's and skin panel's core adhesive-polyimide film with insufficient heat resistance, no climbing of bonding core structure and adhesive fillet formation. The high temperature resistant polyimide film is made by polyimide solution, inorganic filler modifier and interface coupling agent by the steps of: under specific temperature and stirring conditions, adding inorganic filler modifier and interface coupling agent to polyimide solution, stirring to obtain the adhesive agent; filtering and degassing the adhesive agent, casting to a stainless steel drum with carrier cloth and release paper to obtain a self-supporting film; then heating and annealing to obtain the final polyimide film. The present invention is applied to high temperature resistant polyimide film and its preparation method.Type: GrantFiled: April 30, 2021Date of Patent: June 27, 2023Inventors: Changwei Liu, Wanbao Xiao, Chunyan Qu, Dezhi Wang, Kai Xu, Bo Wang, Hongfeng Li, Hao Feng, Yueyu Guan, Haidong Yang, Haimin Wang, Yang Zhang, Cheng Du, Dongpeng Zhou
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Publication number: 20230103511Abstract: The invention is a method of preventing the generation of pink color during antibody manufacturing by either preventing the reduction of antibodies during manufacturing and harvest or inhibiting the conversion of cyanocobalamin (CN-Cbl) to hydroxocobalamin (HO-Cbl) during manufacturing and harvest. Replacement of white light in the cell culture media preparation and storage areas with red light inhibits the conversion of CN-Cbl to HO-Cbl. Addition of peroxides to the clarified bulk at harvest inhibits reduction of the antibody disulfide bonds.Type: ApplicationFiled: May 8, 2018Publication date: April 6, 2023Applicant: BRISTOL-MYERS SQUIBB COMPANYInventors: Cheng DU, Ameya Umesh BORWANKAR, Joon Chong YEE, Zhijun TAN
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Publication number: 20220360715Abstract: This application provides a photographing method and an electronic device, and relates to the field of terminal technologies, to ensure stabilization performance existing during photographing in a zoom scenario, and improve definition of a photographing image. The method includes: obtaining a first photographing image through a first camera; determining a first crop_ratio of the first photographing image based on a first zoom ratio of the first photographing image; cropping the first photographing image based on the first crop_ratio; obtaining a second photographing image through the first camera in response to a first zoom operation; and cropping the second photographing image based on the second crop_ratio; wherein the second crop_ratio is greater than the first crop_ratio, and a stabilization angle of the second photographing image is a product of the FOV of the first camera and the second crop_ratio.Type: ApplicationFiled: August 19, 2020Publication date: November 10, 2022Inventors: Rongyue XU, Huanhuan AO, Yuanyou LI, Congchao ZHU, Jieguang HUO, Cheng DU
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Publication number: 20220321775Abstract: A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.Type: ApplicationFiled: April 14, 2022Publication date: October 6, 2022Inventors: Cheng DU, Wei SU, Wei LUO, Bin DENG, Landi LI
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Publication number: 20220320847Abstract: Provided is an example of a cable seal that includes a first sealing component, a second sealing component, and a folding member. The first sealing component may have a first diameter. The second sealing component may have a second diameter, where the first diameter is greater than the second diameter. The folding member may be operable to fill a space between the first sealing component and the second sealing component. The first sealing component may be operable to form a first ingress protection seal with a cable box housing fitting, the second sealing component may be operable to form a second ingress protection seal with an electrical cable, and the folding member may be operable to react to a force applied to the electrical cable by deforming in response to the force and enabling maintenance of the first ingress protection seal and the second ingress protection seal.Type: ApplicationFiled: March 28, 2022Publication date: October 6, 2022Applicant: Suzhou Littelfuse OVS Co., Ltd.Inventors: Cheng Du, Jun MA, Dan Jin
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Publication number: 20220232161Abstract: A method includes obtaining a first preview picture collected by a camera, where an angle of view FOV of the camera is a first FOV value. The camera collects the first preview picture based on a second FOV value, and the second FOV value is less than the first FOV value. The method further includes adjusting the second FOV value to a third FOV value when it is detected that a quantity of at least one target human face in the first preview picture is greater than a first preset value, where the third FOV value is greater than the second FOV value, and the third FOV value is less than or equal to the first FOV value; and outputting an image that is photographed by the camera based on the third FOV value.Type: ApplicationFiled: January 31, 2022Publication date: July 21, 2022Inventors: Xun Liu, Lei Wu, Cheng Du, Wei Luo
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Patent number: 11368194Abstract: The present disclosure provides an omnidirectional beamforming method. In the omnidirectional beamforming method, a space-time block coding is performed on a data stream to be sent to obtain the coded data stream. Omnidirectional beamforming matrices corresponding to a uniform rectangular antenna array are constructed. The beamforming is performed on the coded data stream through the omnidirectional beamforming matrices, to generate a signal to be sent of the uniform rectangular antenna array.Type: GrantFiled: May 11, 2021Date of Patent: June 21, 2022Assignee: FUDAN UNIVERSITYInventors: Yi Jiang, Fengjie Li, Cheng Du, Xin Wang
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Patent number: 11336820Abstract: A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.Type: GrantFiled: September 4, 2020Date of Patent: May 17, 2022Assignee: Huawei Device Co., Ltd.Inventors: Cheng Du, Wei Su, Wei Luo, Bin Deng, Landi Li
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Patent number: 11272096Abstract: A method includes obtaining a first preview picture collected by a camera, where an angle of view FOV of the camera is a first FOV value. The camera collects the first preview picture based on a second FOV value, and the second FOV value is less than the first FOV value. The method further includes adjusting the second FOV value to a third FOV value when it is detected that a quantity of at least one target human face in the first preview picture is greater than a first preset value, where the third FOV value is greater than the second FOV value, and the third FOV value is less than or equal to the first FOV value; and outputting an image that is photographed by the camera based on the third FOV value.Type: GrantFiled: October 28, 2020Date of Patent: March 8, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xun Liu, Lei Wu, Cheng Du, Wei Luo
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Patent number: 11155707Abstract: The invention relates to an anti-fatigue cold mixed epoxy resin material, preparation method and application thereof, comprising component A and component B with mass ratio of 1:1-10:1, component A comprising fluid epoxy resin, active toughener, active diluents, coupling agent and defoamer; component B is any one of or a mixture of two or more than two of alicyclic amine or amino terminated polyether, cyanoethylamine, phenolic modified amine or hydroxyalkyl modified amine. Introduced epoxy terminated organosilicon block polyurethane prepolymer breaks the limitation that elongation at fracture of epoxy resin system based on “sea-island structure” is difficult to break through 100%. The invention is suitable for bridge deck pavement of long-span cable bearing bridge, waterproof bonding material or used for airport pavement, municipal viaduct, ramp and other occasions with high requirements for fatigue resistance of pavement material.Type: GrantFiled: May 6, 2019Date of Patent: October 26, 2021Assignee: JIANGSU SINOROAD TRANSPORTATION SCIENCE AND TECHNOLOGY CO., LTD.Inventors: Lifeng Chen, Zhixiang Zhang, Youqiang Pan, Kuan Li, Yongsheng Guan, Tao Ma, Qiang Liu, Cheng Du
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Publication number: 20210300964Abstract: Methods for the production of high purity recombinant protein such as monoclonal antibodies (mAb) using disulfide bond re-oxidation are provided. In particular, the present disclosure provides methods for converting partial molecules (e.g., antibody fragments) to full molecules (e.g., full antibodies) comprising admixing a starting solution comprising the partial molecules with a redox buffer comprising a redox pair which comprises at least one thiol reducing agent (e.g., cysteine) and at least one thiol oxidizing agent (e.g., cystine), wherein the redox buffer re-oxidizes the partial molecules to full molecules. The disclosed methods can be used, e.g., to prevent or mitigate the formation of partial molecules during protein purification, or to reprocess or rescue a solution comprising partial molecules (e.g., a partially degraded pharmaceutical formulation).Type: ApplicationFiled: August 15, 2019Publication date: September 30, 2021Inventors: Zhijun Tan, Vivekh Ehamparanathan, Shing Fung Lam, Cheng Du, Derek Choy, Angela T Lewandowski, Sanchayita Ghose, Zhengjian Li, Laurel Hoffman
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Publication number: 20210261735Abstract: A high temperature resistant polyimide film and its preparation method. The present invention relates to a polyimide film and its preparation method and solves the problems of honeycomb's and skin panel's core adhesive—polyimide film with insufficient heat resistance, no climbing of bonding core structure and adhesive fillet formation. The high temperature resistant polyimide film is made by polyimide solution, inorganic filler modifier and interface coupling agent by the steps of: under specific temperature and stirring conditions, adding inorganic filler modifier and interface coupling agent to polyimide solution, stirring to obtain the adhesive agent; filtering and degassing the adhesive agent, casting to a stainless steel drum with carrier cloth and release paper to obtain a self-supporting film; then heating and annealing to obtain the final polyimide film. The present invention is applied to high temperature resistant polyimide film and its preparation method.Type: ApplicationFiled: April 30, 2021Publication date: August 26, 2021Inventors: Changwei LIU, Wanbao XIAO, Chunyan QU, Dezhi WANG, Kai XU, Bo WANG, Hongfeng LI, Hao FENG, Yueyu GUAN, Haidong YANG, Haimin WANG, Yang ZHANG, Cheng DU, Dongpeng ZHOU
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Publication number: 20210266044Abstract: The present disclosure provides an omnidirectional beamforming method. In the omnidirectional beamforming method, a space-time block coding is performed on a data stream to be sent to obtain the coded data stream. Omnidirectional beamforming matrices corresponding to a uniform rectangular antenna array are constructed. The beamforming is performed on the coded data stream through the omnidirectional beamforming matrices, to generate a signal to be sent of the uniform rectangular antenna array.Type: ApplicationFiled: May 11, 2021Publication date: August 26, 2021Inventors: Yi JIANG, Fengjie LI, Cheng DU, Xin WANG
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Publication number: 20210253842Abstract: The invention relates to an anti-fatigue cold mixed epoxy resin material, preparation method and application thereof, comprising component A and component B with mass ratio of 1:1-10:1, component A comprising fluid epoxy resin, active toughener, active diluents, coupling agent and defoamer; component B is any one of or a mixture of two or more than two of alicyclic amine or amino terminated polyether, cyanoethylamine, phenolic modified amine or hydroxyalkyl modified amine. Introduced epoxy terminated organosilicon block polyurethane prepolymer breaks the limitation that elongation at fracture of epoxy resin system based on “sea-island structure” is difficult to break through 100%. The invention is suitable for bridge deck pavement of long-span cable bearing bridge, waterproof bonding material or used for airport pavement, municipal viaduct, ramp and other occasions with high requirements for fatigue resistance of pavement material.Type: ApplicationFiled: May 6, 2019Publication date: August 19, 2021Inventors: Lifeng CHEN, Zhixiang ZHANG, Youqiang PAN, Kuan LI, Yongsheng GUAN, Tao MA, Qiang LIU, Cheng DU