Patents by Inventor Weifeng Liu

Weifeng Liu 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).

  • Publication number: 20220053079
    Abstract: Systems and methods can support application development in a movable object environment. A movable object manager can establish a connection with a movable object, and receives one or more data packets from the movable object. Then, the movable object manager can provide information in said one or more data packets to an application on a user terminal.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Weifeng LIU, Xiaojun LI, Caihua ZHAO, Nanning LI, Changjian XU
  • Publication number: 20220018746
    Abstract: Methods, devices, and systems for testing the flexibility of a sample such as an electronic device are provided herein. A testing system can have a motor operably connected to a mandrel such that the motor causes the mandrel to accurately and precisely rotate and cause the sample to conform to an outer surface of the mandrel. Moreover, a proximal end of the sample is secured to the outer surface of the mandrel, and the opposing distal end is controlled by a retractable holder such that the entire sample is subjected to a constant bend radius as the mandrel rotates. Other aspects and features such as controlling the environment around the mandrel and securing small samples to the mandrel are also described herein.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 20, 2022
    Inventors: Weifeng Liu, Jesus A. Tan, William L. Uy, Dongkai Shangguan
  • Patent number: 11217112
    Abstract: A method includes receiving state information of a virtual movable object in a simulated movement from a movement simulator associated with a movable object and determining movement information for the simulated movement by associating the state information with context information. The state information includes information identifying a location of the virtual movable object in a virtual space. The context information includes information identifying a location of the user terminal, which is at a different location than the movable object in a real space. The method further includes displaying the simulated movement on a display associated with the user terminal based on the movement information, and receiving control data to control the simulated movement in the virtual space using the user terminal when the movable object is in simulation and to control movement of the movable object in the real space when the movable object is in real operation.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 4, 2022
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Ye Tao, Shunnian Li, Zhiyuan Zhang, Liutao Zhang, Weifeng Liu
  • Publication number: 20210404840
    Abstract: Techniques are disclosed for mapping in a movable object environment. A method of mapping may include obtaining mapping data from a scanning sensor of a compact payload coupled to an unmanned aerial vehicle (UAV) the compact payload comprising the scanning sensor, one or more cameras, and an inertial navigation system (INS) configured to be synchronized using a reference clock signal, obtaining feature data from a first camera of the one or more cameras, obtaining positioning data from the INS, associating the mapping data with the positioning data based at least on the reference clock signal to generate geo-referenced data, and storing the geo-referenced data and the feature data to a removable storage medium.
    Type: Application
    Filed: June 4, 2021
    Publication date: December 30, 2021
    Inventors: Arjun Sukumar MENON, Jiexi DU, Yucheng LIU, Weifeng LIU
  • Patent number: 11184474
    Abstract: Systems and methods can support application development in a movable object environment. A movable object manager can establish a connection with a movable object, and receives one or more data packets from the movable object. Then, the movable object manager can provide information in said one or more data packets to an application on a user terminal.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 23, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Weifeng Liu, Xiaojun Li, Caihua Zhao, Nanning Li, Changjian Xu
  • Patent number: 11175651
    Abstract: A method for presenting operational information of a mobile platform includes collecting diagnostic data and travel route data associated with an operation of the mobile platform, and integrating the travel route data with the diagnostic data for presentation. The diagnostic data includes at least one of platform diagnostic data or remote control data. The remote control data is generated by a remote controller associated with the mobile platform or generated by a computer device.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: November 16, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Ye Tao, Liutao Zhang, Zhiyuan Zhang, Weifeng Liu
  • Patent number: 11155839
    Abstract: Provided is a method for construction of recombinant bacteria for producing 3-hydroxypropionic acid. The method includes: knocking out fadR, fabF and fabH genes of recipient bacteria, introducing acc genes or gene clusters, alKL and Mcr genes, and enhancing the expression of fadL, fadD, sthA genes and atoSC gene clusters in the recipient bacteria. Also provided is a method for producing 3-hydroxypropionic acid by using the recombinant bacteria.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 26, 2021
    Assignee: INSTITUTE OF MICROBIOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Weifeng Liu, Bo Liu, Qianqian Cui, Guang Zhao, Yong Tao
  • Publication number: 20210323825
    Abstract: The present invention belongs to the technical field of biomass carbon materials, and relates to a lignin porous carbon nanosheet, a preparation method therefor, and an application thereof in supercapacitor electrode materials. The method of the present invention performs layer-by-layer self-assembly of sulfonated lignin and oxalate in a selective solvent to prepare a layer-by-layer self-assembled lignin/oxalate composite, which is then carbonized and pickled to obtain the lignin porous carbon nanosheets. The lignin porous carbon nanosheets prepared by the above method of the present invention have a specific surface area of 200-1500 m2/g, a micropore specific surface area of 100-500 m2/g, a mesoporous specific surface area of 100-1000 m2/g, a pore diameter of 0.5-30 nm, and a pore volume of 0.5-1.5 cm3/g; they can be applied to supercapacitor electrode materials, showing higher specific capacitance and excellent rate performance (with a specific capacitance retention rate of 76.
    Type: Application
    Filed: October 23, 2019
    Publication date: October 21, 2021
    Inventors: Xueqing Qui, Dongjie Yang, Yong Qian, Hongming Lou, Zhiqiang Fang, Weifeng Liu, Zhixian Li, Jinhao Huang, Xinping Ouyang
  • Publication number: 20210321524
    Abstract: Methods, devices, and systems are provided for the encapsulation of electronic devices. The encapsulation includes positioning an electronic device in a cavity of a mold, and screen or stencil printing an encapsulant, in a liquid form, around the flexible electronic device. The mold is of a sufficient thickness to allow the encapsulant to completely cover electronic components mounted on a first surface of the electronic device.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 14, 2021
    Applicant: Flex Ltd.
    Inventors: Weifeng Liu, Jesus A. Tan, William L. Uy, Dongkai Shangguan
  • Publication number: 20210310826
    Abstract: A flight task processing method includes generating and displaying a user prompt according to flight data of a plurality of flight tasks, selecting one of the flight tasks as a target flight task in response to a selection operation with respect to the user prompt, determining the flight data of the target flight task, processing the flight data of the target flight task to obtain control instruction, and automatically controlling an operation of an aerial vehicle according to the control instruction to reproduce the target flight task by controlling the aerial vehicle to fly to a waypoint included in the flight data, controlling a gimbal of the aerial vehicle to face a gimbal orientation included in the flight data while the aerial vehicle is at the waypoint, and controlling a camera carried by the gimbal to acquire an image while the aerial vehicle is at the waypoint.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Bo PENG, Jiaxiang FANG, Weifeng LIU
  • Patent number: 11095847
    Abstract: A method of processing a video includes capturing a first set of video data at a first definition, transmitting the first set of video data at a second definition lower than the first definition wirelessly to a user terminal, receiving a video edit request wirelessly from the user terminal, and finding video corresponding to edited video data described by the video edit request, thereby forming a second set of video data at a third definition. The video edit request is formed from editing the received first set of video data at the second definition at the user terminal.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: August 17, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Chuyue Ai, Gaoping Bai, Weifeng Liu, Taiwen Liang, Yajun Lai
  • Publication number: 20210241514
    Abstract: Techniques are disclosed for real-time mapping in a movable object environment. A real-time mapping system can include at least one movable object including a computing device, a scanning sensor electronically coupled to the computing device, and a positioning sensor electronically coupled to the computing device. The computing device can include at least one processor and a mapping manager, the mapping manager may be configured to obtain mapping data from the scanning sensor and obtain positioning data from the positioning sensor. The mapping manager can associate the mapping data with the positioning data based at least on time data associated with the mapping data and the positioning data, and then generate a map in a first coordinate system based at least on the associated mapping data and positioning data.
    Type: Application
    Filed: April 13, 2021
    Publication date: August 5, 2021
    Inventors: Arjun Sukumar MENON, Jifei XU, Rohit SANT, Zhiyuan LI, Blake KARWOSKI, Joshua ACOSTA, Arnaud THIERCELIN, Weifeng LIU
  • Publication number: 20210239814
    Abstract: Techniques are disclosed for real-time mapping in a movable object environment. A system for real-time mapping in a movable object environment, may include at least one movable object including a computing device, a scanning sensor electronically coupled to the computing device, and a positioning sensor electronically coupled to the computing device. The system may further include a client device in communication with the at least one movable object, the client device including a visualization application which is configured to receive point cloud data from the scanning sensor and position data from the positioning sensor, record the point cloud data and the position data to a storage location, generate a real-time visualization of the point cloud data and the position data as it is received, and display the real-time visualization using a user interface provided by the visualization application.
    Type: Application
    Filed: March 24, 2021
    Publication date: August 5, 2021
    Inventors: Alain PIMENTEL, Kalyani Premji NIRMAL, Comran MORSHED, Arjun Sukumar MENON, Weifeng LIU
  • Patent number: 11064613
    Abstract: Methods, devices, and systems for encapsulating a flexible electronic device with a waterproof layer are provided. In some embodiments, a manufacturing process is provided where a hotmelt layer is positioned over a flexible substrate that has at least one electronic component. Then, heat and/or pressure are applied to the hotmelt layer causing the hotmelt layer to flow around the at least one component to encapsulate the at least one component and form a waterproof layer. Various embodiments for forming the hotmelt layer and various embodiments of the flexible electronic device with the hotmelt layer are described herein.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: July 13, 2021
    Assignee: Flex Ltd.
    Inventors: Weifeng Liu, William L. Uy, Dongkai Shangguan
  • Patent number: 11059031
    Abstract: A three-dimensional lignin porous carbon/zinc oxide composite material and its preparation and application in the field of photocatalysis are disclosed. The method includes preparing a lignin/zinc oxide precursor composite by a hydrothermal method from a zinc salt, a weak alkali salt and an industrial lignin, and preparing a three-dimensional lignin porous carbon/zinc oxide composite material by high temperature calcination of the lignin/zinc oxide precursor composite. The composite material has a regular three-dimensional pore structure, with zinc oxide nanoparticles uniformly embedded among the three-dimensional lignin porous carbon nanosheets. Application of the composite material to the field of photocatalysis, especially as a photocatalyst for photocatalytic degradation of organic dye pollutants, can significantly improve the degradation efficiency and rate, and has potential application value in the field of photocatalytic degradation of organic pollutants.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 13, 2021
    Inventors: Dongjie Yang, Yong Qian, Xueqing Qiu, Hongming Lou, Weifeng Liu, Xinping Ouyang, Zhiqiang Fang, Yuxia Pang, Conghua Yi
  • Patent number: 11051401
    Abstract: An electronic module assembly and method of assembling an electronic module to a conductive fabric are provided. An electronic module assembly comprises a non-conductive fabric and a conductive fabric covering at least part of a first side of the non-conductive fabric. An electronics module is disposed on the conductive fabric, and a portion of the electronics module includes a wall defining a through hole. A fastener passing through the through hole and passing through the conductive fabric is configured to electronically couple the electronics module to the conductive fabric.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: June 29, 2021
    Assignee: FLEXTRONICS AP, LLC
    Inventors: Weifeng Liu, Anwar Mohammed, Murad Kurwa
  • Publication number: 20210193543
    Abstract: Methods, devices, and systems are provided for the molding and encapsulation of flexible electronic devices. The encapsulation includes providing a mold shell made from an encapsulation material, positioning a flexible electronic device in the mold shell, and dispensing an encapsulant, in a liquid form, around the flexible electronic device. The mold shell, the dispensed encapsulant, and the electronic device forms an integral encapsulation package when the encapsulant is cured. The mold shell and the encapsulant may be made from a same material and, once cured, become an integral part of the encapsulated flexible electronic device.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 24, 2021
    Inventors: Weifeng Liu, Jesus A. Tan, William L. Uy, Dongkai Shangguan
  • Patent number: 11041737
    Abstract: A method, a device and a system for processing a flight task are provided. The method comprises receiving a loading request for flight data, searching for corresponding flight data according to the loading request, processing located flight data in response to the loading request, and loading the located flight data to control a corresponding aerial vehicle to perform a corresponding flight task.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: June 22, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Bo Peng, Jiaxiang Fang, Weifeng Liu
  • Patent number: 11039531
    Abstract: An In-Mold Electronics (IME) device and method of manufacturing the IME device introduce a stretchable substrate laminated to a thermoplastic layer. The stretchable substrate has a screen printable surface for receiving printed conductive interconnects. This combination enables formation of an IME device with conductive interconnects oriented for hard to reach cavities and areas. The IME device eliminates the need to have additional mold features to enable deeper drawn cavities.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: June 15, 2021
    Assignee: Flex Ltd.
    Inventors: Jesus Tan, Anwar Mohammed, David Geiger, Weifeng Liu
  • Publication number: 20210176857
    Abstract: Methods, devices, and systems for producing a flexible electronic device that reduces stress and forces on electronic components are provided. In particular, one or more transition layers with intermediate flexibility, or flexural modulus, are positioned between rigid components and flexible outer layers. This gradually reduces the flexural modulus of the flexible electronics device rather than have an interface between a rigid material and a flexible material. Various materials and methods of forming the layers are described. In addition, an encapsulate layer can be cured to varying flexural moduli to gradually reduce the flexural moduli from the rigid component to the flexible outer layers or bulk structure of the flexible electronic device.
    Type: Application
    Filed: February 17, 2021
    Publication date: June 10, 2021
    Applicant: Flex Ltd.
    Inventors: Weifeng Liu, William L. Uy, Dongkai Shangguan