Patents by Inventor Chunfeng Yuan
Chunfeng Yuan 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: 20240112282Abstract: Implementations are described herein for leveraging an agricultural knowledge graph to generate messages automatically. In various implementations, an agricultural event may trigger proactive performance of one or more of the following operations. Nodes of the agricultural knowledge graph may be identified as related to the agricultural event, including field node(s) representing subject agricultural field(s) to which the agricultural event is relevant and other node(s) connected to one or more of the field nodes by edge(s). Machine learning model(s) may be accessed based on the identified nodes and/or the edges that connect the identified nodes. Data relevant to the subject agricultural field(s) may be retrieved from data source(s) controlled by an agricultural entity and processed based on the machine learning model(s) to generate inference(s) about the subject agricultural field(s).Type: ApplicationFiled: October 3, 2022Publication date: April 4, 2024Inventors: Zhiqiang Yuan, Hong Wu, Yujing Qian, Francis Ebong, Elliott Grant, Ngozi Kanu, Bodi Yuan, Chunfeng Wen, Chen Cao, Yueqi Li
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Publication number: 20240019910Abstract: A rotation structure includes a first rotating shaft assembly, a second rotating shaft assembly, and a stopper. The first rotating shaft assembly includes a first shaft and a first wheel, a first groove being arranged on the first wheel. The second rotating shaft assembly includes a second shaft and a second wheel, the second shaft and the first shaft satisfying a parallel condition, a second groove being arranged on the second wheel. A first protrusion and a second protrusion are arranged on the stopper, the first protrusion being limited to move in the first groove, the second protrusion being limited to move in the second groove, and the limit of the first groove to the first protrusion and the limit of the second groove to the second protrusion allow one of the first shaft and the second shaft to rotate.Type: ApplicationFiled: July 14, 2023Publication date: January 18, 2024Inventors: Chunfeng YUAN, Yingce ZHENG
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Patent number: 11775029Abstract: A connection device includes a first rotation shaft, a second rotation shaft, a fixed member, a movable member, an elastic part, and a movable member. The first rotation shaft has a first operation part, and the first operation part includes a first protrusion part and a first snap-fit slot adjacently arranged along a circumferential direction of the first rotation shaft. The second rotation shaft has a second operation part, and the second operation part includes a second protrusion part and a second snap-fit slot adjacently arranged along a circumferential direction of the second rotation shaft. The fixed member is configured to keep a distance between the first rotation shaft and the second rotation shaft. The movable member is arranged between the first operation part and the second operation part. The elastic part configured to provide the movable member with a deformation force for moving toward the second operation part.Type: GrantFiled: March 9, 2022Date of Patent: October 3, 2023Assignee: LENOVO (BEIJING) LIMITEDInventor: Chunfeng Yuan
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Publication number: 20230094783Abstract: A connection device includes a first rotation shaft, a second rotation shaft, a fixed member, a movable member, an elastic part, and a movable member. The first rotation shaft has a first operation part, and the first operation part includes a first protrusion part and a first snap-fit slot adjacently arranged along a circumferential direction of the first rotation shaft. The second rotation shaft has a second operation part, and the second operation part includes a second protrusion part and a second snap-fit slot adjacently arranged along a circumferential direction of the second rotation shaft. The fixed member is configured to keep a distance between the first rotation shaft and the second rotation shaft. The movable member is arranged between the first operation part and the second operation part. The elastic part configured to provide the movable member with a deformation force for moving toward the second operation part.Type: ApplicationFiled: March 9, 2022Publication date: March 30, 2023Inventor: Chunfeng YUAN
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Patent number: 10852777Abstract: The present disclosure provides an electronic device. The electronic device includes: a connection component; a first main body having a first end connected to the connection component; and a second main body having a second end connected to the connection component. In response to the first main body and the second main body being in a first relative position, a distance in a pre-set direction between the first end and the second end is a first distance. In response to the first main body and the second main body being in a second relative position, a distance in a pre-set direction between the first end and the second end is a second distance. The first distance and the second distance are different.Type: GrantFiled: September 28, 2019Date of Patent: December 1, 2020Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Chunfeng Yuan, Matthew Tucker
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Patent number: 10678308Abstract: An electronic device is provided. The electronic device comprises a first part; a second part; a connector; and a shaft rotationally coupling the first part and the second part through the connector. End portions of the connector extend outside a connecting edge of the first part and a connecting edge of the second part, respectively. The shaft is coupled to the end portions of the connector. The shaft is disposed at an outer side of the connecting edge of the first part and an outer side of the connecting edge of the second part.Type: GrantFiled: March 27, 2017Date of Patent: June 9, 2020Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Chunfeng Yuan, Detao You
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Patent number: 10635139Abstract: Aspects provide connecting apparatuses, rotating shafts and electronic devices. One connecting apparatus includes at least one pair of connecting strips connecting first and second shafts wherein the first shaft and the second shaft achieve synchronous rotation. In another assembly aspect a first rotating shaft is connected to a first body of an electronic device, a second rotating shaft is connected to a second body of the electronic device, and at least one transmission belt sheathed between the first and second rotating shafts synchronizes the torques of the first rotating shaft and the second rotating shaft. Embodiments solve technical problems of slim design for electronic devices that cannot be realized in the prior art, and achieve the technical effect of slim design for electronic devices.Type: GrantFiled: March 30, 2016Date of Patent: April 28, 2020Assignee: Lenovo (Beijing) LimitedInventor: Chunfeng Yuan
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Publication number: 20200103945Abstract: The present disclosure provides an electronic device. The electronic device includes: a connection component; a first main body having a first end connected to the connection component; and a second main body having a second end connected to the connection component. In response to the first main body and the second main body being in a first relative position, a distance in a pre-set direction between the first end and the second end is a first distance. In response to the first main body and the second main body being in a second relative position, a distance in a pre-set direction between the first end and the second end is a second distance. The first distance and the second distance are different.Type: ApplicationFiled: September 28, 2019Publication date: April 2, 2020Inventors: Chunfeng YUAN, Matthew TUCKER
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Publication number: 20180136698Abstract: An electronic device is provided. The electronic device comprises a first part; a second part; a connector; and a shaft rotationally coupling the first part and the second part through the connector. End portions of the connector extend outside a connecting edge of the first part and a connecting edge of the second part, respectively. The shaft is coupled to the end portions of the connector. The shaft is disposed at an outer side of the connecting edge of the first part and an outer side of the connecting edge of the second part.Type: ApplicationFiled: March 27, 2017Publication date: May 17, 2018Inventors: Chunfeng YUAN, Detao YOU
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Patent number: 9933824Abstract: A centrifugal fan for an electronic device is described. The centrifugal fan includes a volute casing with an outlet; and vanes accommodated in the volute casing. The volute casing has an inner surface facing the vanes, the inner surface being formed with a plurality of air guiding channels for directing air inside the volute casing in a direction towards the outlet of the volute casing.Type: GrantFiled: June 30, 2015Date of Patent: April 3, 2018Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Chunfeng Yuan, Jinyu Li
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Publication number: 20170139445Abstract: Aspects provide connecting apparatuses, rotating shafts and electronic devices. One connecting apparatus includes at least one pair of connecting strips connecting first and second shafts wherein the first shaft and the second shaft achieve synchronous rotation. In another assembly aspect a first rotating shaft is connected to a first body of an electronic device, a second rotating shaft is connected to a second body of the electronic device, and at least one transmission belt sheathed between the first and second rotating shafts synchronizes the torques of the first rotating shaft and the second rotating shaft. Embodiments solve technical problems of slim design for electronic devices that cannot be realized in the prior art, and achieve the technical effect of slim design for electronic devices.Type: ApplicationFiled: March 30, 2016Publication date: May 18, 2017Inventor: CHUNFENG YUAN
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Patent number: 9606578Abstract: A connector and an electronic device that includes the connector are described. The connector includes a first helical gear for connecting with a first part of an electronic device; a second helical gear for connecting with a second part of the electronic device; and an intermediate helical gear located between and engaged with the first helical gear and the second helical gear, wherein axes of the first helical gear and the second helical gear are parallel to each other, and an axis of the intermediate helical gear is orthogonal to that of the first helical gear and the second helical gear, so that the first helical gear and the second helical gear are rotatable synchronously via a rotation of the intermediate helical gear, wherein the first helical gear and the second helical gear are engaged with the intermediate helical gear via respective line contacts.Type: GrantFiled: June 30, 2015Date of Patent: March 28, 2017Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Chunfeng Yuan, Jun Xu
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Patent number: 9532485Abstract: A heat dissipating device located on a same base plate with a fan, and a first side of the heat dissipating device abutting an air outlet of the fan. The heat dissipating device includes a plurality of horizontal heat dissipating fins horizontally arranged in parallel with each other in a stacked manner such that arrangement of the plurality of horizontal heat dissipating fins is consistent with a direction of the air outlet of the fan, wherein two adjacent horizontal heat dissipating fins have a gap there between, through which air from the air outlet of the fan is discharged, wherein, a first horizontal heat dissipating fin located at an uppermost layer is coupled with a heat pipe and the heat pipe is coupled with at least one heating element. The heat dissipating device is capable of enhancing heat dissipating efficiency and improving the user's usage experience.Type: GrantFiled: September 24, 2014Date of Patent: December 27, 2016Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Jinyu Li, Ziran Li, Chunfeng Yuan, Yingfeng Ma
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Patent number: 9429986Abstract: Disclosed is an electronic device including a first body, a second body connected with the first body, and a connecting member. The connecting member is hinged with the first body via a first hinge shaft and is hinged with the second body via a second hinge shaft, such as to enable the first body and the second body to be switched between an open state and a closed state. The electronic device is configured in such a manner that, in the closed state, a second housing of the first body snuggles against a first housing of the second body, and in the open state, a lower rim of the first body is located at a front portion of the second body; and the lower rim of the first body keeps abutting against the upper surface of the second body while the state of relative position is switched.Type: GrantFiled: September 24, 2013Date of Patent: August 30, 2016Assignees: Beijing Lenovo Software Ltd., Lenovo (Beijing) Co., Ltd.Inventors: Xiaosong Xia, Chunfeng Yuan, Zhifeng Xin
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Publication number: 20160215540Abstract: A connector and an electronic device that includes the connector are described. The connector includes a first helical gear for connecting with a first part of an electronic device; a second helical gear for connecting with a second part of the electronic device; and an intermediate helical gear located between and engaged with the first helical gear and the second helical gear, wherein axes of the first helical gear and the second helical gear are parallel to each other, and an axis of the intermediate helical gear is orthogonal to that of the first helical gear and the second helical gear, so that the first helical gear and the second helical gear are rotatable synchronously via a rotation of the intermediate helical gear, wherein the first helical gear and the second helical gear are engaged with the intermediate helical gear via respective line contacts.Type: ApplicationFiled: June 30, 2015Publication date: July 28, 2016Applicant: LENOVO (BEIJING) CO., LTD.Inventors: Chunfeng Yuan, Jun Xu
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Publication number: 20160209893Abstract: A centrifugal fan for an electronic device is described. The centrifugal fan includes a volute casing with an outlet; and vanes accommodated in the volute casing. The volute casing has an inner surface facing the vanes, the inner surface being formed with a plurality of air guiding channels for directing air inside the volute casing in a direction towards the outlet of the volute casing.Type: ApplicationFiled: June 30, 2015Publication date: July 21, 2016Applicant: Lenovo (Beijing) Co., Ltd.Inventors: Chunfeng Yuan, Jinyu Li
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Publication number: 20150245536Abstract: A heat dissipating device located on a same base plate with a fan, and a first side of the heat dissipating device abutting an air outlet of the fan. The heat dissipating device includes a plurality of horizontal heat dissipating fins horizontally arranged in parallel with each other in a stacked manner such that arrangement of the plurality of horizontal heat dissipating fins is consistent with a direction of the air outlet of the fan, wherein two adjacent horizontal heat dissipating fins have a gap there between, through which air from the air outlet of the fan is discharged, wherein, a first horizontal heat dissipating fin located at an uppermost layer is coupled with a heat pipe and the heat pipe is coupled with at least one heating element. The heat dissipating device is capable of enhancing heat dissipating efficiency and improving the user's usage experience.Type: ApplicationFiled: September 24, 2014Publication date: August 27, 2015Applicant: Lenovo (Beijing) Co., Ltd.Inventors: Jinyu Li, Ziran Li, Chunfeng Yuan, Yingfeng Ma
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Patent number: 9072160Abstract: The present disclosure provides an electronic device and a dock. The electronic device includes a first body, an insertion connector for connecting the first body, a second body connected to the insertion connector and physically connected/disconnected to/from the first body via the insertion connector by inserting the first body into the insertion connector or pulling the first body out of the insertion connector, a lock means having a locked state and an unlocked state, wherein the first body is securely connected to the insertion connector and cannot be physically pulled out of and disconnected from the insertion connector when the lock means is in the locked state and the first body is insecurely connected to the insertion connecter and can be physically pulled out of and disconnected from the insertion connector when the lock means is in the unlocked state, and a rotation means physically connected to the lock means.Type: GrantFiled: June 3, 2013Date of Patent: June 30, 2015Assignee: Lenovo (Beijing) LimitedInventors: Chunfeng Yuan, Xiaosong Xia, Zhifeng Xin
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Publication number: 20140085795Abstract: Disclosed is an electronic device including a first body, a second body connected with the first body, and a connecting member. The connecting member is hinged with the first body via a first hinge shaft and is hinged with the second body via a second hinge shaft, such as to enable the first body and the second body to be switched between an open state and a closed state. The electronic device is configured in such a manner that, in the closed state, a second housing of the first body snuggles against a first housing of the second body, and in the open state, a lower rim of the first body is located at a front portion of the second body; and the lower rim of the first body keeps abutting against the upper surface of the second body while the state of relative position is switched.Type: ApplicationFiled: September 24, 2013Publication date: March 27, 2014Applicants: Lenovo (Beijing) Co., Ltd., Beijing Lenovo Software Ltd.Inventors: Xiaosong Xia, Chunfeng Yuan, Zhifeng Xin
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Publication number: 20130321994Abstract: The present disclosure provides an electronic device and a dock. The electronic device includes a first body, an insertion connector for connecting the first body, a second body connected to the insertion connector and physically connected/disconnected to/from the first body via the insertion connector by inserting the first body into the insertion connector or pulling the first body out of the insertion connector, a lock means having a locked state and an unlocked state, wherein the first body is securely connected to the insertion connector and cannot be physically pulled out of and disconnected from the insertion connector when the lock means is in the locked state and the first body is insecurely connected to the insertion connecter and can be physically pulled out of and disconnected from the insertion connector when the lock means is in the unlocked state, and a rotation means physically connected to the lock means.Type: ApplicationFiled: June 3, 2013Publication date: December 5, 2013Inventors: Chunfeng Yuan, Xiaosong Xia, Zhifeng Xin