Patents by Inventor Xinyu Zhou
Xinyu Zhou 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: 20250095721Abstract: Provided are a read/write conversion circuit, and a write driver circuit. The read/write conversion circuit includes a read circuit and a write circuit. Difference input terminal of the read circuit are respectively connected to a local signal line and a complementary local signal line, and difference output terminal thereof are respectively connected to a global signal line and a complementary global signal line. Difference input terminal of the write circuit are respectively connected to the global signal line and the complementary global signal line, and difference output terminal thereof are respectively connected to the local signal line and the complementary local signal line. Difference input terminal of the write circuit receive the same data, and Difference output terminal of the write circuit output inverted data.Type: ApplicationFiled: November 28, 2024Publication date: March 20, 2025Inventors: Weibing SHANG, Xiangyun HAN, Yifei LUO, Xinyu ZHOU, Xindi WANG, Shuaipeng ZHAO
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Publication number: 20250035627Abstract: Provided herein are methods of differentiating cell types in a cell population. The methods include removing at least some non-Chimeric Antigen Receptor (CAR)-T cells from a fluidic sample obtained from a subject without centrifuging the fluidic sample to produce a purified fluidic sample. The fluidic sample comprises CAR-T cells and the non-CAR-T cells. The methods also include capturing cells in the purified fluidic sample on a surface that comprises binding moieties that bind at least to the CAR-T cells to produce a captured cell population. In addition, the methods also include distinguishing the CAR-T cells from the non-CAR-T cells in the captured cell population using a trained machine learning model to produce a captured CAR-T cell population data set. Additional methods as well as related devices and systems are also provided.Type: ApplicationFiled: July 19, 2024Publication date: January 30, 2025Applicants: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY, Mayo Foundation for Medical Education and ResearchInventors: Shaopeng WANG, Nanxi YU, Chao CHEN, Xinyu ZHOU, Januario E. CASTRO, Eider F. Moreno Cortes
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Publication number: 20240424522Abstract: Disclosed are a feeding apparatus, a gluing device, and a control method of the feeding apparatus. The feeding apparatus includes a pumping mechanism having a suction end configured to suction a material fluid from a material container, where the suction end is provided with a pressing member; an exhaust mechanism disposed on the pressing member and configured to evacuate a first region formed between the pressing member and a liquid surface of the material fluid in the material container; and a controller signally connected to the exhaust mechanism and configured to: in response to the pressing member arriving at a first relative position with respect to the material container, make the exhaust mechanism to perform evacuation.Type: ApplicationFiled: January 19, 2024Publication date: December 26, 2024Inventors: Xinyu Zhou, Dejun Lu, Ying Wu, Dingshan Yu
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Publication number: 20240420381Abstract: The present disclosure provides an asynchronous rendering method and apparatus, a device and a storage medium. The asynchronous rendering method is applied to a rendering engine, the rendering engine includes a synchronous rendering process and an asynchronous rendering process. The method includes: grouping primitives in an interface to be rendered to a plurality of primitive groups based on functions corresponding to each primitive of the primitives; determining rendering flags corresponding to each of the plurality of primitive groups, wherein the rendering flags include a synchronous rendering flag and an asynchronous rendering flag; and rendering primitive groups based on the rendering flags corresponding to each of the plurality of primitive groups, wherein a primitive group with the synchronous rendering flag is rendered by the synchronous rendering process, and a primitive group with the asynchronous rendering flag is rendered by the asynchronous rendering process.Type: ApplicationFiled: June 14, 2024Publication date: December 19, 2024Inventors: Wenhai YANG, Xinyu ZHOU, Xuan LUO
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Publication number: 20240405727Abstract: A Doherty power amplifier that includes an input, an output, a main power amplification device connected between the input and the output; and an auxiliary power amplification device connected between the input and the output. The auxiliary power amplification device is arranged in parallel with the main power amplification device. The Doherty power amplifier further includes a first dual-mode impedance transformer connected between the main power amplification device and the output, and a second dual-mode impedance transformer between the auxiliary power amplification device and the output. The first and second dual-mode ITs each is adapted to convert an input impedance of a corresponding one of the main and auxiliary power amplification devices to a load impedance at the output, at two frequencies simultaneously.Type: ApplicationFiled: May 30, 2023Publication date: December 5, 2024Inventors: Wing Shing Chan, Liheng Zhou, Xinyu Zhou
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Publication number: 20240262744Abstract: The invention discloses an in-situ high-strength gradient carbonized material and the preparation method thereof. The in-situ high-strength gradient carbonized material includes a core structure composed of partially calcined calcium carbonate and a shell structure; the shell structure comprises calcium hydroxide and calcium carbonate and covers the outer layer of partially calcined limestone. The invention utilizes an in-situ carbonization reaction to recycle a large amount of low-grade limestone stored or discarded in industry, providing a new technological route for solid waste disposal and resource utilization; this method not only has a green and low-carbon process but also can be widely applied in carbon dioxide capture/collection technology, as well as the preparation of new low-carbon gel materials and concrete.Type: ApplicationFiled: September 14, 2023Publication date: August 8, 2024Inventors: Chuanlin Hu, Xinyu Zhou, Xiong Qian, Fazhou Wang, Yukun Qin, Yedongyang Liu
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Publication number: 20240241696Abstract: A random number generator includes: a random number generating circuit used for generating a pulse signal based on a control word and generating a random number signal according to the pulse signal, the pulse signal including a first frequency signal and a second frequency signal that appear alternately, and proportions of the first frequency signal and the second frequency signal being controlled by the control word; and a feedback update circuit used for updating the control word based on the random number signal output by the random number generating circuit.Type: ApplicationFiled: October 27, 2021Publication date: July 18, 2024Applicants: BOE TECHNOLOGY GROUP CO., LTD., Peking UniversityInventors: Xiangye WEI, Ming ZHAO, Wei HU, Yimao CAI, Shengyi HE, Yiming BAI, Xinyu ZHOU
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Patent number: 12034408Abstract: The present invention provides a wideband Doherty power amplifier comprising: a main power amplification device; an auxiliary power amplification device arranged in parallel with the main power amplification device; and a coupled phase compensation network configured for compensating a phase shift between the main power amplification device and the auxiliary power amplification device. The phase compensation network comprising a first transmission line section; a second transmission line section extending substantially collinearly with the first transmission line section; and two pairs of end-connected coupled transmission lines connected in parallel between the first transmission line section and the second transmission line section. The provided Doherty power amplifier demonstrated operation at 6 dB back-off between 1.3-2.3 GHz with efficiency in excess of 41%, which can be used in modern and future wireless communication systems which require power amplifiers operating over a wide frequency range.Type: GrantFiled: November 12, 2021Date of Patent: July 9, 2024Assignee: City University of Hong KongInventors: Wing Shing Chan, Xinyu Zhou
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Patent number: 11847670Abstract: Systems, devices, and methods are described herein for improving inventory management. As used herein, “inventory” refers to digital space at an inventory providers webpage at which content can be delivered. The disclosed techniques utilize reinforced machine learning and an offline training process to train various models with which a content request corresponding to the inventory can be classified according to historical requests and a selection process identified for the request (e.g., a direct or an indirect selection process). If an indirect selection process is chosen, the content request may be optimized for that process utilizing additional machine learning models trained using reinforced machine learning and the offline training process. The disclosed techniques enable the inventory provider to optimize content selections according to a preferred objective. The training operations are performed offline, in a training system configured to simulate the run time environment.Type: GrantFiled: September 29, 2022Date of Patent: December 19, 2023Assignee: Amazon Technologies, Inc.Inventors: Xinyu Zhou, Xing Zhao, Qie Hu Huang, Kirtan Modi, Jae In Cho, Jiahui Jeff Wang
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Publication number: 20230394020Abstract: An application management method includes collecting a plurality of objects in an application example used for serverless computing and generating a base tree according to a reference hierarchical relationship of the plurality of objects; performing internal memory object rearrangement on a plurality of application examples according to the base tree; and performing internal memory merging on the plurality of rearranged application examples.Type: ApplicationFiled: August 22, 2023Publication date: December 7, 2023Inventors: Mingwei SHI, Yu DING, Xiaorui WANG, Xinyu ZHOU, Zhanhui LI, Zhouxiang ZHAN
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Publication number: 20230270921Abstract: Provided are an implantable medical device (100) and a method for manufacturing the same, and a method for manufacturing a stent. The implantable medical device (100) comprises a metal base (110) and a cladding layer (120). The cladding layer (120) is a nickel-free and cobalt-free metal layer which is deposited on the metal base (110) by means of a metal bond. The arrangement of the cladding layer (120) of the implantable medical device (100) on the metal substrate (110) can prevent carcinogenic elements in the metal base (110) such as nickel and cobalt from dissolution. Moreover, the cladding layer (120) is a nickel-free and cobalt-free metal layer, such that the implantable medical device (100) is free from problems of nickel or cobalt dissolution, thereby improving the biological safety of the implantable medical device (100).Type: ApplicationFiled: June 22, 2021Publication date: August 31, 2023Inventors: Jiaojiao WANG, Xinyu ZHOU, Yao YAO, Qi ZHOU, Junfei LI
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Publication number: 20230266814Abstract: A container-based application management method and apparatus are disclosed. A container-based serverless computing system is configured such that an application instance is allowed to be in one of an online state and a low-power state at runtime. In response to scaling down an application, at least one first application instance of the application in the online state is caused to enter the low-power state; and in response to scaling up the application, at least one second application instance of the application in the low-power state is caused to enter the online state. In this way, not only the cost of the application instance can be reduced, but also rapid elastic scaling can be performed on the application instance.Type: ApplicationFiled: April 28, 2023Publication date: August 24, 2023Inventors: Mingwei Shi, Xinyu Zhou, Xiaobin Xu, Shichao Nie, Zhouxiang Zhan, Chuan Wang
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Publication number: 20230239524Abstract: Devices, systems, and methods are provided for on-target rate optimization for video.Type: ApplicationFiled: January 25, 2022Publication date: July 27, 2023Applicant: Amazon Technologies, Inc.Inventors: Xinyu Zhou, Qie Hu Huang, Shuang Li, Ying Zhang, Yongzhen Lu, Vamshi Krishna Surabhi, Vykunth Ashok, Robert James Victor, Kirtan Modi
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Patent number: 11706470Abstract: Devices, systems, and methods are provided for on-target rate optimization for video.Type: GrantFiled: January 25, 2022Date of Patent: July 18, 2023Assignee: Amazon Technologies, Inc.Inventors: Xinyu Zhou, Qie Hu Huang, Shuang Li, Ying Zhang, Yongzhen Lu, Vamshi Krishna Surabhi, Vykunth Ashok, Robert James Victor, Kirtan Modi
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Patent number: 11684946Abstract: The present application relates to the technical field of glue application and in particular, to an apparatus for producing a battery module. The apparatus comprises a frame, a glue application device, a module height measuring device and a glue amount control device. The glue application device is installed on the frame. The module height measuring device is used for measuring height differences between a plurality of battery cells in the battery module. The glue amount control device is coupled to both the module height measuring device and the glue application device. The glue amount control device is arranged to control the amount of glue applied by the glue application device to the plurality of battery cells according to the height differences determined by the module height measuring device.Type: GrantFiled: December 28, 2020Date of Patent: June 27, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Xinyu Zhou, Huayong Xu, Xiandong Du, Rui Zhang
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Patent number: 11671640Abstract: Devices, systems, and methods are provided for audience recognition. A method may include receiving over-the-top (OTT) advertisement impression data comprising metadata and content of advertisement bid requests, the metadata indicative of scheduled OTT media presentation; receiving user activity data indicative of day-part times when viewers watch content absent from the OTT advertisement impression data; generating, based on the OTT advertisement impression data, a first demographic probability vector; generating, based on the user activity data, a second demographic probability vector; generating, based on a combination of the first demographic probability vector and the second demographic probability vector, a third demographic probability vector, each entry of the third demographic probability vector indicative of a third probability that a viewer is in a respective age range; and generating an indication of the third demographic probability vector.Type: GrantFiled: November 30, 2021Date of Patent: June 6, 2023Assignee: Amazon Technologies, Inc.Inventors: Kirtan Modi, Robert James Victor, Vykunth Ashok, Xinyu Zhou, Qie Hu Huang, Shuang Li
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Patent number: 11621680Abstract: A power amplifier includes an active device and an output matching circuit operably connected with the active device. The output matching circuit includes a bandpass impedance transformer, in particular, a multimode bandpass impedance transformer. The multimode bandpass impedance transformer may include a multimode resonator and coupling feed lines.Type: GrantFiled: November 9, 2020Date of Patent: April 4, 2023Assignee: City University of Hong KongInventors: Wingshing Chan, Liheng Zhou, Xinyu Zhou, Derek Ho
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Patent number: 11601095Abstract: A Doherty power amplifier circuit having a main power amplification device, an auxiliary power amplification device arranged in parallel with the main power amplification device, and a load modulation circuit comprising a harmonic injection circuit connected with respective outputs of the main power amplification device and the auxiliary power amplification device. The harmonic injection circuit is arranged to transfer harmonic components generated at the main power amplification device to the auxiliary power amplification device and harmonic components generated at the auxiliary power amplification device to the main power amplification device, when both the main and auxiliary power amplification devices are operating, for modulating the respective outputs of the main power amplification device and the auxiliary power amplification device.Type: GrantFiled: October 1, 2020Date of Patent: March 7, 2023Assignee: City University of Hong KongInventors: Wingshing Chan, Xinyu Zhou, Shaoyong Zheng, Xiaohu Fang, Derek Ho
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Patent number: 11392822Abstract: Provided are image processing method and apparatus for processing an input image using a convolutional neural network system, and a computer-readable storage medium. The convolutional neural network system that includes an input layer, an intermediate layer and an output layer, the image processing method includes: receiving the input image via the input layer; extracting image features of the input image via the intermediate layer; and outputting processing results for the input image via the output layer, wherein the intermediate layer includes at least one network block each of which includes a first convolutional layer, a first grouping rearrangement layer and a second convolutional layer that are cascaded.Type: GrantFiled: July 3, 2018Date of Patent: July 19, 2022Assignee: MEGVII (BEIJING) TECHNOLOGY CO., LTD.Inventors: Xiangyu Zhang, Xinyu Zhou, Mengxiao Lin
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Publication number: 20220158591Abstract: The present invention provides a wideband Doherty power amplifier comprising: a main power amplification device; an auxiliary power amplification device arranged in parallel with the main power amplification device; and a coupled phase compensation network configured for compensating a phase shift between the main power amplification device and the auxiliary power amplification device. The phase compensation network comprising a first transmission line section; a second transmission line section extending substantially collinearly with the first transmission line section; and two pairs of end-connected coupled transmission lines connected in parallel between the first transmission line section and the second transmission line section. The provided Doherty power amplifier demonstrated operation at 6 dB back-off between 1.3-2.3 GHz with efficiency in excess of 41%, which can be used in modern and future wireless communication systems which require power amplifiers operating over a wide frequency range.Type: ApplicationFiled: November 12, 2021Publication date: May 19, 2022Inventors: Wing Shing CHAN, Xinyu ZHOU