Patents by Inventor Yifan Xu
Yifan Xu 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: 20250141136Abstract: An exemplary female connector includes a plurality of female terminals having ends radially expanded outward to form trumpet-shaped guide heads for blind mating with a male connector or a gold finger circuit board. A first high-frequency radiation area is formed in the vicinity of the trumpet-shaped guide head when the female terminals are mated with the male connector or the gold finger circuit board. A first wave-absorbing material is disposed in a spatial scope covered by the first high-frequency radiation area.Type: ApplicationFiled: December 19, 2024Publication date: May 1, 2025Inventors: Jihai TANG, Yifan Xu, Jingqi Zhao
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Publication number: 20250141156Abstract: An exemplary female connector is configured to connect to a PCB board, which is internally provided with a signal layer and a drilling hole penetrating the signal layer. The female connector includes a female terminal having two ends. The two ends include a connecting end for mating with a male connector or a gold finger circuit board, and another end forming a crimping pin to be inserted into a drilling hole and connected with the signal layer. A high-frequency radiation area is formed in the vicinity of a connection between the crimping pin and the drilling hole when the connecting end is mated with the male connector or the gold finger circuit board. A wave-absorbing material is disposed in a spatial scope covered by the high-frequency radiation area.Type: ApplicationFiled: January 3, 2025Publication date: May 1, 2025Inventors: Yifan XU, Jihai TANG, Jingqi ZHAO
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Publication number: 20250131903Abstract: A silencer or muffler for reducing noise of a heat dissipation or cooling fan includes an outer tube and at least one inner tube inside the outer tube. An annular space is formed between the inner and outer tubes. An inner cavity of the inner tube forms a ventilation channel. Partition plates are installed in the annular space that partition the annular space into silencing chambers arranged along a conveying direction of airflow. The inner tube includes openings communicating the silencing chambers with the ventilation channel. The silencing chambers are disposed correspondingly to silencing frequency bands. A limited installation space in an electronic device chassis can be used to achieve sound absorption and noise reduction for a heat dissipation fan in the silencing frequency bands.Type: ApplicationFiled: October 23, 2024Publication date: April 24, 2025Inventors: Shangyu CHEN, Xu HAN, Qingsheng Gao, Yifan XU, Xiaohu XU, Donglai XU, Guiyun CHEN, Youhong LI
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Patent number: 12244098Abstract: The present disclosure provides a female connector and a connector combination. The female connector includes: a female terminal having a first end for mating with a male connector or a gold finger circuit board, and a second end for connection with a PCB board, the female terminal being formed with at least one shape abruptly-changed portion between the first end and the second end, and a high-frequency radiation area being formed in the vicinity of the shape abruptly-changed portion when the first end is mated with the male connector or the gold finger circuit board; and a wave-absorbing material disposed in a spatial range covered by the high-frequency radiation area. By selectively disposing the wave-absorbing material in an area where a high-frequency radiation is easily generated during the use of the connector, crosstalk signals are absorbed, while normally transmitted electrical signals are retained, and an overall weight of the connector is light.Type: GrantFiled: December 7, 2020Date of Patent: March 4, 2025Assignee: Tianjin Laird Technologies LimitedInventors: Jihai Tang, Jingqi Zhao, Yifan Xu
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Publication number: 20250030186Abstract: A female connector is configured for connection with a PCB board internally provided with a signal layer and a ground layer. A surface of the PCB board includes conductive pads connected to the signal layer and the ground layer. The female connector includes a female terminal having first and second ends. The second end includes differential signal pairs arranged at intervals and ground pins each located between an adjacent two of the differential signal pairs. The differential signal pairs are connectable to the signal layer through the conductive pads. The ground pins are connectable to the ground layer through the conductive pads. A high-frequency radiation area is in the vicinity of a joint between the differential signal pair and the conductive pad when the first end is mated with a male connector or circuit board. A wave-absorbing material is disposed in a spatial range covered by the high-frequency radiation area.Type: ApplicationFiled: October 1, 2024Publication date: January 23, 2025Inventors: Jingqi Zhao, Jihai Tang, Yifan Xu
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Patent number: 12206192Abstract: The present application provides a female connector, a male connector and a connector assembly. The female connector includes: a plurality of female terminals, ends of which are radially expanded outward to form trumpet-shaped guide heads for blind mating with a male connector or a gold finger circuit board; a cantilever section of the female terminal being bent at at least one position to form an elastic pressing portion for an interference fit contact with the male connector or the gold finger circuit board; a first high-frequency radiation area being formed in the vicinity of the trumpet-shaped guide head when the female terminals are mated with the male connector or the gold finger circuit board; and a first wave-absorbing material is disposed in a spatial scope covered by the first high-frequency radiation area.Type: GrantFiled: December 7, 2020Date of Patent: January 21, 2025Assignee: Tianjin Laird Technologies LimitedInventors: Jihai Tang, Yifan Xu, Jingqi Zhao
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Patent number: 12199379Abstract: The present application provides a female connector and a connector assembly. The female connector is used to connect to a PCB board internally provided with a signal layer and a drilling hole penetrating the signal layer, the female connector including: a female terminal having two ends, one end being a connecting end for mating with a male connector or a gold finger circuit board, and the other end forming a crimping pin to be inserted into a drilling hole and connected with the signal layer; a high-frequency radiation area being formed in the vicinity of a connection between the crimping pin and the drilling hole when the connecting end is mated with the male connector or the gold finger circuit board; and a wave-absorbing material is disposed in a spatial scope covered by the high-frequency radiation area.Type: GrantFiled: December 7, 2020Date of Patent: January 14, 2025Assignee: Tianjin Laird Technologies LimitedInventors: Yifan Xu, Jihai Tang, Jingqi Zhao
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Patent number: 12200007Abstract: Methods and systems are described herein for a malware detection system that detects whether an on-chain program associated with a cryptographic token is malicious based on output of a machine learning model. The malware detection system may retrieve or generate attributes associated with an on-chain program and input those into a plurality of scripts within a malware detection script database to determine whether the on-chain program is malicious. The scripts may be generated based on an output of a machine learning model indicating whether the on-chain program is malicious.Type: GrantFiled: June 21, 2022Date of Patent: January 14, 2025Assignee: Coinbase, Inc.Inventors: Yifan Xu, Ziqiang Liu, Indra Rustandi, Yao Ma
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Publication number: 20250010266Abstract: A preparation method and application of a red mud-enhanced magnetic straw biochar material includes the following steps of: naturally air-drying or artificial drying straws, and crushing the dried straws; drying red mud from Bayer process, and crushing the red mud into powder; then mixing the crushed straws and the powdery red mud by ball milling to prepare straw-red mud mixed powder; mixing water and biomass ash rich in alkali, and extracting the mixture to obtain a biomass ash extracting solution and dealkalized biomass ash solid residues; and uniformly mixing and stirring the straw-red mud mixed powder and the biomass ash extracting solution to obtain a pasty mixture, carrying out co-pyrolysis on the pasty mixture under a protective atmosphere, and washing magnetic straw biochar produced by co-pyrolysis with water until the magnetic straw biochar is neutral to obtain the red mud enhanced magnetic straw biochar material.Type: ApplicationFiled: October 26, 2023Publication date: January 9, 2025Applicant: NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MINISTRY OF ECOLOGY AND ENVIRONMENTInventors: Xiaochen LIN, Houhu ZHANG, Shenghu ZHANG, Yifan XU, Zifei SUN, Hongji GUO, Xuejian LI, Yuanshun XU, Dapeng ZHANG, Lili WANG
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Patent number: 12119579Abstract: A female connector is connected to a PCB board internally provided with a signal layer and a ground layer. A surface of the PCB board includes conductive pads connected to the signal layer and the ground layer. The female connector includes a female terminal having first and second ends. The second end includes differential signal pairs arranged at intervals and ground pins each located between an adjacent two of the differential signal pairs. The differential signal pairs are connectable to the signal layer through the conductive pads. The ground pins are connectable to the ground layer through the conductive pads. A high-frequency radiation area is in the vicinity of a joint between the differential signal pair and the conductive pad when the first end is mated with a male connector or circuit board. A wave-absorbing material is disposed in a spatial range covered by the high-frequency radiation area.Type: GrantFiled: December 7, 2020Date of Patent: October 15, 2024Assignee: Tianjin Laird Technologies LimitedInventors: Jingqi Zhao, Jihai Tang, Yifan Xu
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Patent number: 12056197Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining summary content for resources in a domain. In one aspect, a method includes accessing a first resource belonging to a particular domain, selecting an anchor in the first resource linking to a second resource belonging to the particular domain, identifying particular text content in the first resource that is subordinate to the anchor that the second resource includes the particular text content that is subordinate to the anchor, based on determining that the second resource includes the particular text content that is subordinate to the anchor, generating a domain template for the particular domain, the domain template specifying a location of the particular text content in the second resource, and determining, for each respective resource belonging to the particular domain having a structure matching the domain template, respective text content for the respective resource.Type: GrantFiled: January 5, 2023Date of Patent: August 6, 2024Assignee: Google LLCInventors: Chen Sun, Yifan Xu
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Publication number: 20240184516Abstract: In some implementations, a user device may generate, using a text-to-speech library of a web browser, a first audio signal based on a first label associated with a first input element of a web form. The user device may generate, using a speech-to-text library of the web browser, a first transcription of first audio and may modify the first input element based on the first transcription. The user device may generate, using the text-to-speech library, a second audio signal based on a second label associated with a second input element of the web form. The user device may generate, using the speech-to-text library, a second transcription of second audio and may modify the second input element based on the second transcription. The user device may receive input associated with submitting the web form and may activate a submission element of the web form based on the input.Type: ApplicationFiled: December 6, 2022Publication date: June 6, 2024Inventors: Selen BERKMAN, Yifan XU, Duy HUYNH, Wade RANCE, Ayushi CHAUHAN, KanakaRavali PERISETLA, Amrit KHADKA, Morgan FREIBERG
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Publication number: 20240093031Abstract: A silicone composition comprising (A) an electrically conductive filler, (B) a polydiorganosiloxane polymer, (C) a polyorganohydrogensiloxane, (D) a hydrosilylation reaction catalyst, (E) a polymer additive, and optionally (F) a hydrosilylation reaction inhibitor has a low complex viscosity upon admixing and upon cure provides a high electrical conductivity and good electrical conductivity retention after heat aging.Type: ApplicationFiled: December 23, 2020Publication date: March 21, 2024Inventors: Wenjie CHEN, Yifan XU, Hua REN, Fengyi SU, Joseph Ronald SOOTSMAN
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Publication number: 20240063576Abstract: A communication interface comprises a male connector interface and a female connector interface. The male connector interface includes at least one male connector. The female connector interface includes at least one female connector pluggable into the male connector of the male connector interface. An open channel and/or a gap for signal transmission is in the male connector interface and/or the female connector interface. Each of the male connector and the female connector includes a communication line structure, a guiding structure, a support structure, and a protection structure, at least one of which includes a wave absorbing portion configured to absorb an electromagnetic leakage from the male connector interface and/or the female connector interface via the open channel and/or the gap. The communication interface can effectively solve the problem of the leakage of electromagnetic energy inside the communication interface.Type: ApplicationFiled: August 16, 2023Publication date: February 22, 2024Applicant: Tianjin Laird Technologies LimitedInventors: Yifan XU, Shaomei SHI, Jingqi ZHAO
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Publication number: 20230412639Abstract: Methods and systems are described herein for a malware detection system that detects whether an on-chain program associated with a cryptographic token is malicious based on output of a machine learning model. The malware detection system may retrieve or generate attributes associated with an on-chain program and input those into a plurality of scripts within a malware detection script database to determine whether the on-chain program is malicious. The scripts may be generated based on an output of a machine learning model indicating whether the on-chain program is malicious.Type: ApplicationFiled: June 21, 2022Publication date: December 21, 2023Applicant: Coinbase, Inc.Inventors: Yifan XU, Ziqiang LIU, Indra RUSTANDI, Yao MA
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Publication number: 20230363320Abstract: A hedge trimmer includes: a housing formed with an accommodation space; a blade assembly including a first blade and a second blade, where the first blade and the second blade reciprocate along a direction of a first straight line, and the blade assembly further includes a blade support for supporting the first blade and the second blade and extending along the direction of the first straight line; a transmission mechanism for driving the blade assembly to move; and a motor coupled to the housing and used for driving the transmission mechanism. The blade support has a density of greater than or equal to 1 g/cm3 and less than or equal to 2.2 g/cm3.Type: ApplicationFiled: March 13, 2023Publication date: November 16, 2023Inventors: Yifan Xu, Xiaozhe Zhao, Toshinari Yamaoka
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Publication number: 20230229714Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining summary content for resources in a domain. In one aspect, a method includes accessing a first resource belonging to a particular domain, selecting an anchor in the first resource linking to a second resource belonging to the particular domain, identifying particular text content in the first resource that is subordinate to the anchor that the second resource includes the particular text content that is subordinate to the anchor, based on determining that the second resource includes the particular text content that is subordinate to the anchor, generating a domain template for the particular domain, the domain template specifying a location of the particular text content in the second resource, and determining, for each respective resource belonging to the particular domain having a structure matching the domain template, respective text content for the respective resource.Type: ApplicationFiled: January 5, 2023Publication date: July 20, 2023Inventors: Chen Sun, Yifan Xu
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Patent number: 11620558Abstract: One or more defect analysis iterations are performed on a collection of records. In a given iteration, a defect presence probability is obtained using a machine learning model for a record group. An estimated audit benefit is then assigned to the record group based at least partly on a defect remediation importance score of the record group. An indication of the estimated audit benefit of the record group is provided to an auditor. An audited defect status for the record group, generated by the auditor, is used to initiate one or more automated actions.Type: GrantFiled: August 25, 2020Date of Patent: April 4, 2023Assignee: Amazon Technologies, Inc.Inventors: Yifan Xu, Xue Wang, Marc Wichterich
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Patent number: 11580177Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining summary content for resources in a domain. In one aspect, a method includes accessing a first resource belonging to a particular domain, selecting an anchor in the first resource linking to a second resource belonging to the particular domain, identifying particular text content in the first resource that is subordinate to the anchor that the second resource includes the particular text content that is subordinate to the anchor, based on determining that the second resource includes the particular text content that is subordinate to the anchor, generating a domain template for the particular domain, the domain template specifying a location of the particular text content in the second resource, and determining, for each respective resource belonging to the particular domain having a structure matching the domain template, respective text content for the respective resource.Type: GrantFiled: October 7, 2020Date of Patent: February 14, 2023Assignee: Google LLCInventors: Chen Sun, Yifan Xu
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Publication number: 20230027686Abstract: The present application provides a female connector and a connector assembly. The female connector is used to connect to a PCB board internally provided with a signal layer and a drilling hole penetrating the signal layer, the female connector including: a female terminal having two ends, one end being a connecting end for mating with a male connector or a gold finger circuit board, and the other end forming a crimping pin to be inserted into a drilling hole and connected with the signal layer; a high-frequency radiation area being formed in the vicinity of a connection between the crimping pin and the drilling hole when the connecting end is mated with the male connector or the gold finger circuit board; and a wave-absorbing material is disposed in a spatial scope covered by the high-frequency radiation area.Type: ApplicationFiled: December 7, 2020Publication date: January 26, 2023Applicant: Tianjin Laird Technologies LimitedInventors: Yifan XU, Jihai TANG, Jingqi ZHAO