Patents by Inventor Weihuan SHU
Weihuan SHU 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: 11973163Abstract: A light emitting device includes an epitaxial structure and first and second electrodes on a side of the epitaxial structure. The epitaxial structure includes a first-type semiconductor layer, an active layer, and a second-type semiconductor layer. The active layer is disposed between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode is disposed on the epitaxial structure to be electrically connected with the first-type semiconductor layer. The second electrode is disposed on the epitaxial structure to be electrically connected with the second-type semiconductor layer. The second electrode is in ohmic contact with a second-type window sublayer of the second-type semiconductor layer.Type: GrantFiled: January 20, 2023Date of Patent: April 30, 2024Assignee: Tianjin Sanan Optoelectronics Co., Ltd.Inventors: ChingYuan Tsai, Chun-Yi Wu, Fulong Li, Duxiang Wang, Chaoyu Wu, Wenhao Gao, Xiaofeng Liu, Weihuan Li, Liming Shu, Chao Liu
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Patent number: 11692829Abstract: Embodiments of the disclosure provide a system and method for determining a trajectory of a subject. The method can include acquiring motion data of the subject to which the mobile device is attached; determining a motion status of the subject based on the motion data; and determining the trajectory based on the motion data using a trajectory model corresponding to the motion status.Type: GrantFiled: December 31, 2019Date of Patent: July 4, 2023Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Weihuan Shu, Hailiang Xu
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Patent number: 11532063Abstract: The present disclosure relates to a system and method for operating an online to offline service platform. The system may perform the methods to: receive a service order from a first terminal associated with a passenger, the service order including a first identifier corresponding to the passenger and a pick-up location designated by the passenger; determine a second identifier corresponding to a driver accepting the service order; obtain first status corresponding to the first identifier; generate, based on the first status, a first instruction; and send the first instruction to a second terminal associated with the second identifier.Type: GrantFiled: April 9, 2020Date of Patent: December 20, 2022Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventor: Weihuan Shu
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Patent number: 11408737Abstract: Embodiments of the present disclosure are directed to systems and methods for determining a vehicle orientation. In one implementation, a computer-implemented method for determining a vehicle orientation may include receiving a first set of satellite signals associated with a connected device positioned relatively stationary with respect to a vehicle. The method may also include determining that the first set of satellite signals is insufficient to determine the vehicle orientation. The method may further include determining the vehicle orientation based on a first relative orientation of the connected device relative to the vehicle and a second relative orientation of the connected device relative to a reference object.Type: GrantFiled: January 19, 2020Date of Patent: August 9, 2022Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang Xu, Weihuan Shu
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Publication number: 20220248170Abstract: The present disclosure provides methods and systems for recommending pick-up points. The method may include obtaining information of a searched point of interest determined by a user; determining a first set of candidate pick-up points based at least on the information of the searched point of interest, the first set of candidate pick-up points including a plurality of candidate pick-up points; determining at least one recommended pick-up point through a preset algorithm based at least on the first set of candidate pick-up points, and displaying the at least one recommended pick-up point to the user.Type: ApplicationFiled: April 23, 2022Publication date: August 4, 2022Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Yichen ZHAO, Qian LIU, Chao SHEN, Minghui HE, Jiantao YANG, Weihuan SHU, Li MA
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Patent number: 11323847Abstract: Embodiments of the disclosure provide methods and systems for determining a position of a terminal device. The system may include a receiving module configured to receive current position information associated with the terminal device, the current position information including one or more positions indicative of the present location of the terminal device. The system may further include an acquisition module configured to acquire historical position information associated with the terminal device, said historical position information being separated from the current position information by a predetermined time interval. The system may further include a determination module configured to determine, based on the historical position information, an actual position of the terminal device from the current position information.Type: GrantFiled: January 7, 2020Date of Patent: May 3, 2022Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Yan Li, Weihuan Shu
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Patent number: 11085992Abstract: Systems and methods for positioning a terminal device are disclosed. The method may include determining, by a positioning device, a first position of the terminal device in an area at a first time point; determining, by the positioning device, a second position of the terminal device in the area at a second time point; determining, by the positioning device, a plurality of hypothetical positions of the terminal device at a third time point; and providing, by the positioning device, a third position of the terminal device at the third time point, based on the first position, the second position, and the hypothetical positions using a transition model.Type: GrantFiled: December 30, 2019Date of Patent: August 10, 2021Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xianglong Nie, Weihuan Shu
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Publication number: 20210140774Abstract: A method for recommending pick-up locations is provided. The method may include one or more of the following operations. A start location may be obtained from a requester terminal. One or more candidate pick-up locations may be determined based on the start location and historical data. The historical data may include one or more historical start locations within a threshold distance from the start location. Location information of the one or more candidate pick-up locations may be obtained. One or more recommended pick-up locations may be selected among the one or more candidate pick-up locations based on the location information of the one or more candidate pick-up locations. The one or more recommended pick-up locations may be transmitted to the requester terminal.Type: ApplicationFiled: November 23, 2020Publication date: May 13, 2021Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Ji ZHAO, Gaojie YAN, Hao LI, Weihuan SHU
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Patent number: 10945095Abstract: Methods and systems for providing transportation service to a passenger are disclosed. An exemplary method for providing transportation service may include receiving a transportation request from a terminal device, the transportation request indicating a passenger position. The method may further include causing the terminal device to search for network condition information associated with the passenger position. The method may also include determining, by at least one processor, a pick-up location for the transportation request based on the network condition information, and providing the pick-up location to the terminal device.Type: GrantFiled: June 15, 2020Date of Patent: March 9, 2021Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang Xu, Weihuan Shu, Ruidong Li
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Patent number: 10893500Abstract: The present disclosure relates to a method and apparatus for detecting position change of an access point. According to certain embodiments, the method includes: obtaining a list of access stations scanned by a terminal device, wherein the list of scanned access stations includes the access point; and detecting the position change of the access point when the list of scanned access stations does not include a reference access station in association with the access point.Type: GrantFiled: August 2, 2019Date of Patent: January 12, 2021Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xianglong Nie, Weihuan Shu
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Publication number: 20200314593Abstract: Methods and systems for providing transportation service to a passenger are disclosed. An exemplary method for providing transportation service may include receiving a transportation request from a terminal device, the transportation request indicating a passenger position. The method may further include causing the terminal device to search for network condition information associated with the passenger position. The method may also include determining, by at least one processor, a pick-up location for the transportation request based on the network condition information, and providing the pick-up location to the terminal device.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang XU, Weihuan SHU, Ruidong LI
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Publication number: 20200234391Abstract: The present disclosure relates to a system and method for operating an online to offline service platform. The system may perform the methods to: receive a service order from a first terminal associated with a passenger, the service order including a first identifier corresponding to the passenger and a pick-up location designated by the passenger; determine a second identifier corresponding to a driver accepting the service order; obtain first status corresponding to the first identifier; generate, based on the first status, a first instruction; and send the first instruction to a second terminal associated with the second identifier.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventor: Weihuan SHU
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Publication number: 20200204956Abstract: Embodiments of the disclosure provide methods and systems for determining a position of a terminal device. The system may include a receiving module configured to receive current position information associated with the terminal device, the current position information including one or more positions indicative of the present location of the terminal device. The system may further include an acquisition module configured to acquire historical position information associated with the terminal device, said historical position information being separated from the current position information by a predetermined time interval. The system may further include a determination module configured to determine, based on the historical position information, an actual position of the terminal device from the current position information.Type: ApplicationFiled: January 7, 2020Publication date: June 25, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Yan LI, Weihuan SHU
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Publication number: 20200196268Abstract: Embodiments of the disclosure provide systems and methods for positioning a gateway of an architecture. The method may include determining a trajectory of a mobile device based on motion data acquired by the mobile device and a movement model, acquiring a first end position of the trajectory of the mobile device, detecting that the mobile device enters or exits the architecture, and determining a second end position of the trajectory upon the detection as the position of the gateway.Type: ApplicationFiled: February 20, 2020Publication date: June 18, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang XU, Weihuan SHU
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Publication number: 20200149893Abstract: Embodiments of the present disclosure are directed to systems and methods for determining a vehicle orientation. In one implementation, a computer-implemented method for determining a vehicle orientation may include receiving a first set of satellite signals associated with a connected device positioned relatively stationary with respect to a vehicle. The method may also include determining that the first set of satellite signals is insufficient to determine the vehicle orientation. The method may further include determining the vehicle orientation based on a first relative orientation of the connected device relative to the vehicle and a second relative orientation of the connected device relative to a reference object.Type: ApplicationFiled: January 19, 2020Publication date: May 14, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang XU, Weihuan SHU
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Publication number: 20200132465Abstract: Embodiments of the disclosure provide a system and method for determining a trajectory of a subject. The method can include acquiring motion data of the subject to which the mobile device is attached; determining a motion status of the subject based on the motion data; and determining the trajectory based on the motion data using a trajectory model corresponding to the motion status.Type: ApplicationFiled: December 31, 2019Publication date: April 30, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Weihuan SHU, Hailiang XU
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Publication number: 20200132799Abstract: Systems and methods for positioning a terminal device are disclosed. The method may include determining, by a positioning device, a first position of the terminal device in an area at a first time point; determining, by the positioning device, a second position of the terminal device in the area at a second time point; determining, by the positioning device, a plurality of hypothetical positions of the terminal device at a third time point; and providing, by the positioning device, a third position of the terminal device at the third time point, based on the first position, the second position, and the hypothetical positions using a transition model.Type: ApplicationFiled: December 30, 2019Publication date: April 30, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xianglong NIE, Weihuan SHU
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Patent number: 10609671Abstract: Embodiments of the disclosure provide systems and methods for positioning a gateway of an architecture. The method may include determining a trajectory of a mobile device based on motion data acquired by the mobile device and a movement model, acquiring a first end position of the trajectory of the mobile device, detecting that the mobile device enters or exits the architecture, and determining a second end position of the trajectory upon the detection as the position of the gateway.Type: GrantFiled: May 14, 2018Date of Patent: March 31, 2020Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang Xu, Weihuan Shu
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Publication number: 20190364537Abstract: Systems and methods for positioning a target access point are disclosed. The method may include obtaining a terminal position for each of a plurality of terminal devices, assigning the respective terminal positions of the plurality of terminal devices as preliminary positions of the target access point, and determining a position of the target access point based on the preliminary positions.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Xianglong NIE, Ruidong LI, Weihuan SHU
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Publication number: 20190353487Abstract: Systems and methods for positioning a terminal device based on deep learning are disclosed. The method may include acquiring, by a positioning device, a set of preliminary positions associated with the terminal device, acquiring, by the positioning device, a base map corresponding to the preliminary positions, and determining, by the positioning device, a position of the terminal device using a neural network model based on the preliminary positions and the base map.Type: ApplicationFiled: August 1, 2019Publication date: November 21, 2019Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Hailiang XU, Weihuan SHU