Patents by Inventor Li Ji'an
Li Ji'an 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: 20240177435Abstract: The present application provides a method, apparatus, device and medium for virtual interaction, wherein the method includes: presenting a media content stream in a virtual space, wherein the media content stream includes at least one interactive object; switching a current camera position to a target camera position according to interactive indication information; presenting an interactive trigger zone and the interactive object in interactive space of the target camera position; and interacting with the interactive object according to the interactive trigger zone. The present application makes interactive operations of the user in the virtual space more vivid and rich, and thus enhances interactivity of the user in the virtual space and improves interactive quality of the virtual interaction.Type: ApplicationFiled: November 30, 2023Publication date: May 30, 2024Inventors: Lichen Huang, Xiangyu Huang, Liyue Ji, Pingfei Fu, Fan Yang, Yixin Sun, Li Lu, Hongxiao Pang, Cheng Zeng, Jingqi Qin, Tan He, Qiang Chen, Jinping Xu, Kang Li
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Publication number: 20240176821Abstract: A knowledge graph embedding-based approach to content labeling is used for targeted content delivery in a web platform, such as a job website. Job posting data of the web platform is normalized and used to train a knowledge graph embedding. Labels are determined for job posting data of the web platform using the trained knowledge graph embedding, and mappings are determined between the labels and segments of users of the web platform. Current user data is obtained for a user of the web platform. A current segment to which the user corresponds is determined based on the current user data, a current mapping to which the current segment corresponds is determined based on the current segment, and targeted content to deliver to a device of the user is determined according to the current mapping. The targeted content may then be delivered to the user device.Type: ApplicationFiled: November 30, 2022Publication date: May 30, 2024Inventors: Li Ji, Haiyan Luo, Yu Sun
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Publication number: 20240175111Abstract: An additively manufactured high-strength and high-ductility stainless steel is characterized in that the composition, by weight percentage, C?0.05 wt %, Si?1 wt %, Mn?1 wt %, Cr 14.5-15.5 wt %, Ni 5.0-5.5 wt %, Cu 4-4.5 wt %, Nb 0.35-0.45 wt %, and the balance of Fe and unavoidable impurities. And Cr equivalent of Creq=% Cr+% Mo+2.2% Ti+0.7% Nb+2.48% Al. Ni equivalent of Nieq=% Ni+35% C+20% N+0.25% Cu. The yield strength of the high-strength and high-ductility stainless steel ?1270 MPa, the tensile strength ?1380 MPa, and the elongation after fracture ?15%.Type: ApplicationFiled: March 7, 2023Publication date: May 30, 2024Inventors: Chaofang DONG, Li WANG, Decheng KONG, Shiyuan ZHANG, Yucheng JI, Xiaogang LI
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Publication number: 20240142658Abstract: An inspection system, including: at least one ray source rotatable between at least two scanning positions around a rotation axis, and a rotation angle of at least one ray source between two adjacent scanning positions is greater than an angle of adjacent target spots of each ray source relative to the rotation axis; a detector assembly, and a conveying device configured to carry an object to be inspected. At least one ray source and the detector assembly are movable in a traveling direction relative to the conveying device, so that the object to be inspected may enter an inspection region. When at least one ray source is located at one scanning positions, at least one ray source and the detector assembly move in the traveling direction relative to the conveying device and at least one ray source emits X-rays; after moving a predetermined distance, at least one ray source rotates around the rotation axis to another scanning position.Type: ApplicationFiled: July 6, 2022Publication date: May 2, 2024Inventors: Zhiqiang CHEN, Li ZHANG, Qingping HUANG, Yong ZHOU, Hui DING, Xin JIN, Chao JI
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Patent number: 11959375Abstract: A method for evaluating a downhole working condition of a PDC bit includes: performing an indoor test, including performing a drilling test in different full-sized cores by using the PDC bit with different degrees of abrasion and balling under condition of given WOB and rotational speed, to acquire change characteristics of a WOB, a rotational speed, a torque, a ROP and a bit vibration of the PDC bit in different time domains; improving and perfecting an existing prediction model and evaluation method for the downhole working condition through data obtained by the test to obtain the method; reading parameters of the WOB, the rotational speed, the torque and the ROP in real time during drilling; determining the downhole working condition of the PDC bit by using the method in the improving and perfecting.Type: GrantFiled: March 16, 2021Date of Patent: April 16, 2024Assignee: CNPC Engineering Technology R&D Company LimitedInventors: Guodong Ji, Haige Wang, Meng Cui, Zhao Meng, Qiang Wu, Li Liu, Jiawei Zhang, Changchang Chen, Liu Cui, Jing Yu
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Patent number: 11955915Abstract: The present disclosure provides a variable-frequency compressor with adaptive heating power control and a method for operating the same. According to an embodiment of the present disclosure, the variable-frequency compressor includes: a compression unit, for compressing a medium entering the variable-frequency compressor; a motor, including a stator and a rotor, for driving the compression unit; and a controller, configured to adaptively control a heating power of a winding of the stator according to information of the variable-frequency compressor.Type: GrantFiled: December 14, 2021Date of Patent: April 9, 2024Assignee: DANFOSS (TIANJIN) LTD.Inventors: Shizhong Ji, Wanzhen Liu, Yingke Sun, Li Yao
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Patent number: 11941318Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.Type: GrantFiled: April 27, 2021Date of Patent: March 26, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
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Patent number: 11941777Abstract: A picture processing method and apparatus, a device, and a storage medium are provided. The method includes: detecting, in response to an image editing trigger operation, a target processing part in a to-be-processed picture; determining an image region comprising the target processing part, in the to-be-processed picture; and zooming in on the image region, on an image editing interface. Hence, according to the embodiments, when an image editing operation is triggered, the target processing part on the to-be-processed picture can be quickly positioned, and be zoomed in on the image editing interface, so that a user can conveniently perform image editing on the target processing part, and the picture processing efficiency is improved to a certain extent.Type: GrantFiled: August 12, 2022Date of Patent: March 26, 2024Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.Inventors: Guanghui Chen, Jingyu Ji, Li Zou
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Publication number: 20240096068Abstract: At least one computer processor can replace visual words of an unsupervised machine learning classification model with visual objects of an image. At least two co-occurring single visual objects adjacent to each other in pixels of the image can be combined to obtain a compound visual object. The unsupervised machine learning classification model can be augmented to model the image as a mixture of subjects, where each subject is represented through placements of the visual objects in a mixture of concentric spheres centering on a mixture of intersections on a mixture of horizontal layers. At least one processor can learn latent relationships between the placements of the visual objects in a three-dimensional space depicted in the image and image semantics. Learning the latent relationships trains the unsupervised machine learning classification model to perform image subject classification through the placements of the visual objects in a new image.Type: ApplicationFiled: September 21, 2022Publication date: March 21, 2024Inventors: Ying Li, Fang Lu, Yuan Yuan Gong, Wen Ting Li, Shi Hui Gui, Xiao Feng Ji
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Patent number: 11928009Abstract: Aspects of the invention include detecting an error alert from a target computer system. In response to detecting the error alert, performance data is then retrieved from the target computer system. A gated recurrent unit (GRU) neural network is used to generate a prediction of a root cause of the error alert based on the performance data. The weights of a reset gate of the GRU neural network are adjusted based on received feedback of the prediction.Type: GrantFiled: August 6, 2021Date of Patent: March 12, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Chun Qi Ji, Qiang Li, Jing Sun, Zong Nan Jin, He Jun
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Patent number: 11925183Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.Type: GrantFiled: April 28, 2022Date of Patent: March 12, 2024Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Li Zhang, Qingping Huang, Yong Zhou, Hui Ding, Chao Ji
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Patent number: 11868951Abstract: A system for generating a geographically-clustered routing solution includes a computer system configured to receive a plurality of orders. Each order in the plurality of orders comprises a geographic location. The plurality of orders are clustered into a plurality of clusters based on the geographic location of each order and a routing solution is generated for each of the plurality of clusters. Each routing solution is transmitted to at least one vehicle system.Type: GrantFiled: October 3, 2019Date of Patent: January 9, 2024Assignee: Walmart Apollo, LLCInventors: Mingang Fu, Amritayan Nayak, Akshara Dendi, Li Ji
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Publication number: 20230324875Abstract: Various embodiments include an encoder for a motor. The encoder may include: a sensor module for collecting sensor data of the motor with a sensor while the motor is running; a storage module storing motor running records; and a microcontroller unit. The microcontroller is programmed to determine a running state of the motor using the sensor data, storing information about the running state into the storage module as a motor running record in response to a determination that the running state is a predefined running state, and providing at least one of the motor running records stored in the storage module via a communication interface in response to a reading request received from the communication interface.Type: ApplicationFiled: August 13, 2020Publication date: October 12, 2023Applicant: Siemens AktiengesellschaftInventors: Lei Cui, Bo Yan, Er Ping Meng, Jun Li Ji, Dian Song, Ning Zhao
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Publication number: 20230320820Abstract: A lockable orthodontic appliance, comprising a main body. An arch wire groove is formed on the main body, the main body is provided with a movable accessory, the accessory comprises a traction portion and a space occupying portion, the accessory can move between an available position and an unavailable position, and during the movement, the traction portion can drive the space occupying portion to enter the arch wire groove; or a traction member and a space occupying member are provided on the main body, the traction member can move, and during the movement, the traction member drives the space occupying member to enter the arch wire groove. The orthodontic appliance may have a plurality of states, the first is a locked state, the second is a traction state, the third is a traction locked state, and the fourth is a non-locked and non-traction state.Type: ApplicationFiled: July 1, 2021Publication date: October 12, 2023Applicant: GUANGZHOU OO MEDICAL SCIENTIFIC LIMITEDInventors: Qinhui ZHANG, Zien XU, Li JI
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Publication number: 20230284458Abstract: A semiconductor structure includes a substrate having a doped silicon substrate, a buried oxide layer, and a silicon device layer. A trench capacitor having an inner electrode and a node dielectric layer is formed in a trench of the substrate. The inner electrode and the node dielectric layer extend into the doped silicon substrate. A select transistor is disposed in the silicon device layer. An embedded contact is disposed atop the trench capacitor to electrically couple a doped region of the select transistor with the inner electrode. A first dielectric layer is disposed around the select transistor. A second dielectric layer is deposited on the first dielectric layer. A contact plug is formed in the second dielectric layer and the first dielectric layer and is in direct contact with the embedded contact. A memory stack with a MTJ element is disposed on the contact plug.Type: ApplicationFiled: March 1, 2022Publication date: September 7, 2023Applicant: HeFeChip Corporation LimitedInventors: John H Zhang, Brian Li Ji, Yanzun Li, Devendra K Sadana
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Publication number: 20230241621Abstract: Described embodiments generally relate to a hydrocyclone for isolating particles within a fluid. The hydrocyclone comprises an upper conical section defining at least one inlet to receive the fluid, a vortex finder extending into the upper conical section, and an overflow port fluidly connected to the vortex finder and configured to expel a portion of the fluid out of the upper conical section; and a lower conical section defining an underflow port to expel the remaining fluid out of the lower conical section, the lower conical section being fluidly connected to the upper conical section to define a single hollow volume. The shape of the hydrocyclone causes particles smaller than a predetermined size to be isolated by expelling the particles from the overflow port.Type: ApplicationFiled: May 27, 2021Publication date: August 3, 2023Inventors: Lizhong He, Ian Edward Dixon, Puja Paul, Bhuvana Shanbhag, Li Ji
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Publication number: 20230227963Abstract: The present disclosure relates to a preparation method of a niobium diselenide (NbSe2) film with ultra-low friction and low electrical noise under sliding electrical contact in vacuum. The method uses a direct current (DC) closed field magnetron sputtering method for preparation. Through process design of low deposition pressure and low sputtering energy, on one hand, a purity of an NbSe2 sputtered product is kept, generation of interference phases such as NbSe3 is avoided, and electrical conductivity of the sputtered NbSe2 film is greatly improved, and on the other hand, a nanocrystalline/amorphous superlattice composite structure is formed, and excellent mechanical and lubricating properties are achieved. Under sliding electrical contact in vacuum, compared with those of a common electroplated gold coating, a friction coefficient of the film is reduced to 0.02 from 0.25, a wear life is prolonged by at least 7 times, and the electrical noise is reduced by about 50%.Type: ApplicationFiled: December 16, 2022Publication date: July 20, 2023Inventors: Li JI, Xiaohong LIU, Yang YANG, Hongxuan LI, Huidi ZHOU, Jianmin CHEN
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Publication number: 20230208506Abstract: Disclosed are methods, systems, and computer-readable medium for facilitating remote user airspace communication. For instance, the method may include: connecting with a user device associated with and remote from a first vehicle in a shared air traffic control sector; receiving voice communication data from at least one of the user device, a second vehicle in the shared air traffic control sector, and an air traffic control station in the shared air traffic control sector; generating analog data or digital data based on the received voice communication data; determining a recipient for the generated analog data or generated digital data in the shared air traffic control sector; transmitting the generated analog data or generated digital data to the recipient; and terminating the connection with the user device as the first vehicle leaves the shared air traffic control sector.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Li JI, Zhong CHEN
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Publication number: 20230183851Abstract: Disclosed are a high-entropy carbide ceramic material and a preparation method thereof, and also a ceramic coating and its preparation method and use. The high-entropy carbide ceramic material has a chemical composition of (ZrCrTiVNb)C and includes Zr, Cr, Ti, V, and Nb, with a same mole fraction of 6-10%.Type: ApplicationFiled: June 6, 2022Publication date: June 15, 2023Inventors: Hongxuan Li, Xiaohong Liu, Wenju Xu, Bingsen Jia, Li Ji, Huidi Zhou, Jianmin Chen
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Patent number: 11677689Abstract: Example data processing methods and apparatuses are disclosed. In one example data processing method, a first terminal obtains packet delay budget adjustment information, where the packet delay budget adjustment information is used to indicate an adjusted packet delay budget, a packet delay budget adjustment amount, or a packet delay budget adjustment range. The first terminal adjusts a size of a jitter buffer based on the packet delay budget adjustment information, and then buffers data based on the adjusted jitter buffer.Type: GrantFiled: September 29, 2020Date of Patent: June 13, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Guohua Zhou, Xing Liu, Qinghai Zeng, Li Ji