Patents by Inventor Chun Zhao
Chun Zhao 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: 11962986Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes a thermoplastic polyester elastomer film layer, a thermoplastic polyester elastomer being a copolymer composed of a hard segment A of polyester and a soft segment B of polyether or aliphatic polyester, wherein the thermoplastic polyester elastomer film layer has Young's modulus of 1-1000 MPa, with an elastic recovery rate after 10% strain being greater than or equal to 80%. The speaker diaphragm has a good stiffness, a good damping performance and a good resilience.Type: GrantFiled: October 13, 2018Date of Patent: April 16, 2024Assignee: Goertek Inc.Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
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Patent number: 11913808Abstract: There is provided an inertial sensor comprising a frame, a resonator assembly fixed to the frame comprising a first and second resonator coupled to one another by a mechanical coupling and a drive means coupled to the resonator assembly for driving the first and second resonators to vibrate. The resonator assembly is configured such that energy is transferred between the first and second resonators through the mechanical coupling. An amount of energy transferred through the mechanical coupling is dependent on the value of an input measurand acting on one of the first and second resonators. The inertial sensor also comprises a pumping means coupled to the resonator assembly for applying a pumping signal to the resonator assembly, the pumping means controlled by electrical circuitry, and a sensor assembly configured to detect the amplitude of oscillation of the first resonator at a first resonant frequency and the amplitude of oscillation of the second resonator at a second resonant frequency.Type: GrantFiled: September 16, 2019Date of Patent: February 27, 2024Assignee: SILICON MICROGRAVITY LIMITEDInventors: Xin Zhou, Chun Zhao, Ashwin A. Seshia
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Publication number: 20230327579Abstract: Provided is a friction nano power generation synaptic transistor. The friction nano power generation synaptic transistor includes a friction nano generator, a synaptic transistor, a substrate, an electrode layer formed on the substrate, a shared intermediate layer formed on the electrode layer; a synaptic transistor active layer, a source electrode, and a drain electrode which are formed on the shared intermediate layer; and a positive friction layer and a negative friction layer formed on the shared intermediate layer, where the shared intermediate layer is used as a dielectric layer of the synaptic transistor and an intermediate layer of the friction nano generator.Type: ApplicationFiled: December 8, 2021Publication date: October 12, 2023Inventors: Qihan LIU, Chun ZHAO, Cezhou ZHAO, Yina LIU, Li YANG
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Publication number: 20230204621Abstract: An accelerometer comprising: a frame; one or more proof masses suspended from the frame by one or more flexures and movable relative to the frame along a sensing axis; a resonant element assembly, the resonant element assembly comprising a first resonant element and a second resonant element coupled to one another, the first resonant element connected between the one or more proof masses and the frame, the second resonant element connected between the one or more proof masses and the frame, such that movement of the one or more proof masses relative to the frame along the sensing axis results in one of the first and second resonant elements undergoing compression and the other of the first and second resonant elements undergoing tension; and drive circuitry configured to drive the resonant element assembly and a sensing circuit configured to determine a measure of acceleration.Type: ApplicationFiled: May 18, 2021Publication date: June 29, 2023Inventors: Ashwin SESHIA, Chun ZHAO, Milind PANDIT
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Publication number: 20230204620Abstract: An accelerometer comprising: a frame; one or more proof masses suspended from the frame by one or more flexures and movable relative to the frame along a sensing axis; a first resonant element fixed between an anchor on the frame and the one or more proof masses, and extending from the anchor to the one or more proof masses along the sensing axis; a second resonant element fixed between the anchor and the one or more proof masses and extending from the anchor to the one or more proof masses along the sensing axis in a opposite direction to the first resonant element.Type: ApplicationFiled: May 18, 2021Publication date: June 29, 2023Inventors: Ashwin SESHIA, Chun ZHAO
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Publication number: 20230186440Abstract: Provided are a display apparatus and a method thereof. The display apparatus includes a display; a memory storing one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to: receive an input image, obtain luminance information from the input image, obtain, based on the luminance information, perceptual luminance information in view of a visual response, predict scene intensity information indicating a degree of a side effect that occurs after a first image quality processing is performed on the input image, and perform the first image quality processing on the input image based on the scene intensity information and the perceptual luminance information.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Chun Zhao, Jonghwan Kim, Guiwon Seo, Younghoon Jeong
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Publication number: 20230066869Abstract: A display device including a processor configured to extract first through third feature information corresponding to a first image, each of a plurality of regions included in the first image, and object regions included in the first image, respectively. The processor is configured to obtain a first through third contrast ratio enhancement curves, corresponding to the first image, generated by applying the first feature information to a curve generation network in which first parameter information is set, corresponding to each of the plurality of regions, generated by applying the second feature information to the curve generation network in which second parameter information is set, corresponding to each of the plurality of object regions, generated by applying the third feature information to the curve generation network in which third parameter information is set, generate a second image by applying the first through third contrast ratio enhancement curves to the first image.Type: ApplicationFiled: May 11, 2022Publication date: March 2, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jonghwan KIM, Guiwon SEO, Chun ZHAO
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Publication number: 20220219971Abstract: There is provided a micro electrical mechanical systems device package comprising: a first vacuum enclosure comprising a first enclosure wall; a micro electrical mechanical systems device being positioned within the first vacuum enclosure on a first side of the first enclosure wall; and a second vacuum enclosure, the second side of the first enclosure wall being within the second vacuum enclosure. Advantageously, the first vacuum enclosure is entirely within the second vacuum enclosure.Type: ApplicationFiled: April 28, 2020Publication date: July 14, 2022Inventors: Ashwin SESHIA, Chun ZHAO, Guillermo SOBREVIELA, Milind PANDIT, Philipp STEINMANN, Arif MUSTAFAZADE
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Patent number: 11322116Abstract: A display device is disclosed. The display device comprises: a storage configured to store output brightness information for each gradation according to brightness information of an image; and a processor configured to acquire target brightness corresponding to brightness information of an input image on the basis of the information stored in the storage, acquire a target light amount on the basis of a light amount of the input image, acquire a plurality of correction effects corresponding to a plurality of correction images by applying a plurality of gradation adjustment curves to the input image, acquire a gradation adjustment curve corresponding to the maximum correction effect among the plurality of correction effects, and adjust and output a gradation for each pixel of the input image on the basis of the acquired gradation adjustment curve.Type: GrantFiled: August 7, 2019Date of Patent: May 3, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaemoon Lim, Joseph Kim, Younghoon Jeong, Chun Zhao
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Publication number: 20210270608Abstract: There is provided an inertial sensor comprising a frame, a resonator assembly fixed to the frame comprising a first and second resonator coupled to one another by a mechanical coupling and a drive means coupled to the resonator assembly for driving the first and second resonators to vibrate. The resonator assembly is configured such that energy is transferred between the first and second resonators through the mechanical coupling. An amount of energy transferred through the mechanical coupling is dependent on the value of an input measurand acting on one of the first and second resonators. The inertial sensor also comprises a pumping means coupled to the resonator assembly for applying a pumping signal to the resonator assembly, the pumping means controlled by electrical circuitry, and a sensor assembly configured to detect the amplitude of oscillation of the first resonator at a first resonant frequency and the amplitude of oscillation of the second resonator at a second resonant frequency.Type: ApplicationFiled: September 16, 2019Publication date: September 2, 2021Applicant: Cambridge Enterprise LimitedInventors: Xin Zhou, Chun Zhao, Ashwin A. Seshia
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Publication number: 20210257130Abstract: Provided are a micro-nano wire manufacturing device and a micro-nano structure. The micro-nano wire manufacturing device includes a liquid-phase nanomaterial storage device and a micro-nano wire applying mechanism. The liquid-phase nanomaterial storage device is provided with a liquid outlet. The micro-nano wire applying mechanism is provided in one-to-one correspondence with the liquid outlet. The micro-nano wire applying mechanism includes at least two flexible wires. The roots of the flexible wires are secured to the liquid-phase nanomaterial storage device. One ends of the two flexible wires hang down to a substrate and abut against each other. The range of the angle between the projections of the two flexible wires on the substrate is 1°to 5°.Type: ApplicationFiled: February 12, 2020Publication date: August 19, 2021Inventors: Yuxiao FANG, Chun ZHAO, Cezhou ZHAO, Li YANG
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Publication number: 20210166604Abstract: A display device is disclosed. The display device comprises: a storage configured to store output brightness information for each gradation according to brightness information of an image; and a processor configured to acquire target brightness corresponding to brightness information of an input image on the basis of the information stored in the storage, acquire a target light amount on the basis of a light amount of the input image, acquire a plurality of correction effects corresponding to a plurality of correction images by applying a plurality of gradation adjustment curves to the input image, acquire a gradation adjustment curve corresponding to the maximum correction effect among the plurality of correction effects, and adjust and output a gradation for each pixel of the input image on the basis of the acquired gradation adjustment curve.Type: ApplicationFiled: August 7, 2019Publication date: June 3, 2021Applicant: SAMSUNG ELECTONICS CO., LTD.Inventors: Jaemoon LIM, Joseph KIM, Younghoon JEONG, Chun ZHAO
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Publication number: 20210048294Abstract: A dam slope deformation monitoring system and method are provided. The monitoring system monitors an entire dam in a reservoir area by using an unmanned aerial vehicle (UAV) photogrammetry system, and determines an encrypted monitoring area (steep slope) with the relatively large deformation and a relatively large digital elevation difference; determines, in the intensive monitoring area, a first level key monitoring area with the larger deformation by using a ground-based radar interferometry measurement system; determines, in the first level key monitoring area, a second level key monitoring area with the larger deformation by using a ground-based three-dimensional lidar measurement system; determines, in the second level key monitoring area, a key monitoring particle with a high deformation speed by using a global navigation satellite system (GNSS). The core chip stack is used to monitor and warn the collapse process in the area where the key monitoring particles are located.Type: ApplicationFiled: August 12, 2020Publication date: February 18, 2021Inventors: Tianjie LEI, Liuqian DING, Changjun LIU, Jinsheng JIA, Cuiying ZHENG, Xiangyu LI, Jiabao WANG, Chun ZHAO
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Publication number: 20210049515Abstract: The present invention provides a prediction method and system of high slope deformation. First, historical deformation data of each period of each part of a high slope is obtained as sample data; the sample data is divided into training samples and test samples; then a parameter group of a Support Vector Machine (SVM) model is optimized by using the training samples and a particle Swarm Optimization (PSO) algorithm to determine an optimal parameter group of the SVM model, to obtain a trained SVM model; whether the trained SVM model satisfies a condition is verified by using the test samples, and when the SVM model does not satisfy the condition, an optimal parameter group of the SVM model is re-determined; and finally the deformation of each area of the high slope is predicted by using the SVM model that satisfies the condition.Type: ApplicationFiled: August 14, 2020Publication date: February 18, 2021Inventors: Changjun LIU, Tianjie LEI, Liuqian DING, Xiangyu LI, Jiabao WANG, Jinsheng JIA, Cuiying ZHENG, Chun ZHAO
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Patent number: 10699674Abstract: An image processing apparatus for minimizing a collective amount of power consumed by a plurality of display apparatuses of a multi-screen system to display an image of the multi-screen system, and for optimizing hue and luminance of the image of the multi-screen system.Type: GrantFiled: December 28, 2018Date of Patent: June 30, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Hoon Jeong, Jae Moon Lim, Joseph Kim, Chun Zhao
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Patent number: 10692466Abstract: A display apparatus is provided. The display apparatus includes: a display; a storage configured to store output luminance information of a plurality of grayscale values according to brightness information; and a processor configured to: obtain a plurality of grayscale adjustment curves based on the output luminance information stored in the storage, obtain a plurality of calibration effects by applying each of the plurality of grayscale adjustment curves to an input image, obtain a grayscale adjustment curve corresponding to a maximum calibration effect from among the plurality of calibration effects, adjust a grayscale of each pixel of the input image based on the obtained grayscale adjustment curve to generate an output image, and output the output image through the display.Type: GrantFiled: July 3, 2018Date of Patent: June 23, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-moon Lim, Young-su Moon, Young-hoon Jeong, Chun Zhao
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Publication number: 20190206364Abstract: An image processing apparatus for minimizing a collective amount of power consumed by a plurality of display apparatuses of a multi-screen system to display an image of the multi-screen system, and for optimizing hue and luminance of the image of the multi-screen system.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Hoon JEONG, Jae Moon LIM, Joseph KIM, Chun ZHAO
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Publication number: 20190035357Abstract: A display apparatus is provided. The display apparatus includes: a display; a storage configured to store output luminance information of a plurality of grayscale values according to brightness information; and a processor configured to: obtain a plurality of grayscale adjustment curves based on the output luminance information stored in the storage, obtain a plurality of calibration effects by applying each of the plurality of grayscale adjustment curves to an input image, obtain a grayscale adjustment curve corresponding to a maximum calibration effect from among the plurality of calibration effects, adjust a grayscale of each pixel of the input image based on the obtained grayscale adjustment curve to generate an output image, and output the output image through the display.Type: ApplicationFiled: July 3, 2018Publication date: January 31, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-moon LIM, Young-su MOON, Young-hoon JEONG, Chun ZHAO
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Patent number: 10192473Abstract: A display apparatus for image processing and a method thereof are disclosed. The image processing method of a display apparatus includes receiving an image frame, identifying color where color cast is present by analyzing at least one of an illumination element and a tint element of the received image frame, and correcting color where the color cast is present by using color distribution of the received image frame.Type: GrantFiled: June 15, 2017Date of Patent: January 29, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-seok Min, Chun Zhao, Young-su Moon, Ho-cheon Wey
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Publication number: 20180025682Abstract: A display apparatus for image processing and a method thereof are disclosed. The image processing method of a display apparatus includes receiving an image frame, identifying color where color cast is present by analyzing at least one of an illumination element and a tint element of the received image frame, and correcting color where the color cast is present by using color distribution of the received image frame.Type: ApplicationFiled: June 15, 2017Publication date: January 25, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-seok MIN, Chun ZHAO, Young-su MOON, Ho-cheon WEY