Patents by Inventor Fangshi Liu

Fangshi 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: 20230240175
    Abstract: An autonomous mower including a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
  • Publication number: 20230240176
    Abstract: An autonomous mower includes a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 3, 2023
    Inventors: Fangshi LIU, Yong SHAO, Xiahong ZHA, Jiaofeng TIAN
  • Patent number: 11622499
    Abstract: An autonomous mower including a housing; a mowing module, a traveling module, an information collection device, an energy module, a control module and the control module includes an identification unit, and an alarm module. The autonomous mower has a security patrol working mode in which the identification unit analyzes and judges whether an abnormal object exists in the working area according to the information collected by the information collection device; if the abnormal object exists, the control module controls the alarm module to send an alarm signal to the outside. Therefore, the autonomous mower can achieve a security patrol function in addition to having a function of trimming the lawn. The autonomous mower has multiple uses, so as to save the cost.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 11, 2023
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Fangshi Liu, Yong Shao, Xiahong Zha, Jiaofeng Tian
  • Patent number: 11601002
    Abstract: This invention discloses an electrical energy transmission apparatus. The electrical energy transmission apparatus includes an input component which is connected to a direct current (DC) energy storage component, an output component which comprises an alternating current (AC) device interface used to connect an AC device, and an adapter component which transfers electrical energy from the input component to the output component. The adapter component comprises a DC driving unit and an AC driving unit. The DC driving unit converts energy of the DC energy storage component into a DC power. The AC driving unit converts energy of the DC energy storage component into an AC power. At least one of the DC driving unit and the AC driving unit is connected to the AC device interface.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 7, 2023
    Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.
    Inventors: Zhendong Gao, Guoliang Mu, Fangshi Liu
  • Publication number: 20230017821
    Abstract: An autonomous working system includes an autonomous working apparatus and a second apparatus independent of the autonomous working apparatus. The autonomous working system includes a control circuit, wherein the control circuit includes a rain sensor, including a first electrode and a second electrode; a switching circuit, connected to the first electrode and the second electrode, and configured to operatively exchange the polarities of the first electrode and the second electrode; a detection module, configured to obtain an electrical signal of the rain sensor; a judgement module, configured to determine whether the electrical signal and a first threshold satisfy a first relationship; and a behavior control module, configured to control the autonomous working apparatus to change the behavior status when it is determined that the electrical signal and the first threshold satisfy the first relationship.
    Type: Application
    Filed: March 3, 2021
    Publication date: January 19, 2023
    Inventors: Miaowu MA, Jian XIONG, Fangshi LIU
  • Publication number: 20220300008
    Abstract: An automatic working system that includes a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.
    Type: Application
    Filed: January 31, 2022
    Publication date: September 22, 2022
    Inventors: Yong SHAO, Chang ZHOU, Fangshi LIU
  • Patent number: 11442448
    Abstract: The invention relates to a method for providing an alarm about a positioning fault in a self-moving device. A self-moving device is configured to autonomously move, based on positioning of the self-moving device, inside a working region defined on a map. The method includes: receiving positioning data from a satellite positioning system to locate the self-moving device; detecting whether a positioning fault occurs in the self-moving device; and in response to a detected positioning fault that occurs in the self-moving device, providing an alarm about the positioning fault.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: September 13, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Mingming He, Yong Shao, Chang Zhou, Yiyun Tan, Fangshi Liu, Shiping Jiao
  • Publication number: 20220272914
    Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
  • Patent number: 11378979
    Abstract: A method for positioning an autonomous moving device includes steps of: acquiring a current positioning signal of an autonomous moving device during a moving process, and a reference positioning signal of the autonomous moving device before the current positioning signal; resolving the reference positioning signal and the current positioning signal to acquire error data; and processing the error data and position information of the reference positioning signal to acquire current position information of the autonomous moving device.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: July 5, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Mingming He
  • Patent number: 11330771
    Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: May 17, 2022
    Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.
    Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
  • Publication number: 20220075376
    Abstract: A returning method of a self-moving device, a self-moving device are provided. In the returning method, a self-moving device autonomously moves inside a working region based on a map. Specifically, the method includes: acquiring a current position of the self-moving device in the working region; selecting a return path to a target position according to the current position; determining a reuse status of the return path, determining, based on the reuse status of the return path, whether to reselect a return path; and enabling the self-moving device to return to the target position along the selected return path.
    Type: Application
    Filed: November 12, 2021
    Publication date: March 10, 2022
    Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
  • Patent number: 11269349
    Abstract: The present invention relates to an automatic working system, including a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: March 8, 2022
    Assignee: Positec Power Tools (Suzhou) Co., Ltd
    Inventors: Yong Shao, Chang Zhou, Fangshi Liu
  • Patent number: 11161422
    Abstract: A wireless charging station for charging an automatic mower including a cutting device, an energy storage unit, a wireless electric energy transmitter and a wireless electric energy receiver electrically connected with the energy storage unit. The wireless charging station is at least partially located in a movement range of the automatic mower, and the top of the wireless charging station is lower than the bottom of the cutting device. An automatic mower matching the wireless charging station and an automatic mowing system using the wireless charging station and the automatic mower is further provided. The wireless charging station, the automatic mower, and the automatic mowing system enable the automatic mower to trim a lawn closer to the charging station, reduce a cutting corner in a movable range of the automatic mower, and improve trimming capability of the automatic mower for the lawn.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: November 2, 2021
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Paolo Andriolo, Fangshi Liu
  • Publication number: 20210221246
    Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous m
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du
  • Publication number: 20210157334
    Abstract: A method for positioning an autonomous moving device includes steps of: acquiring a current positioning signal of an autonomous moving device during a moving process, and a reference positioning signal of the autonomous moving device before the current positioning signal; resolving the reference positioning signal and the current positioning signal to acquire error data; and processing the error data and position information of the reference positioning signal to acquire current position information of the autonomous moving device.
    Type: Application
    Filed: May 25, 2018
    Publication date: May 27, 2021
    Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Mingming HE
  • Patent number: 10967752
    Abstract: An autonomous moving device wireless charging system, including an autonomous moving device and a wireless charging station, the wireless charging station includes a wireless charging transmitting end; the autonomous moving device includes: a wireless charging receiving end, the wireless charging transmitting end wirelessly transmits a charging signal to the wireless charging receiving end to transmit electric energy; a charging battery, electrically connected to the wireless charging receiving end, to receive the electric energy transmitted from the wireless charging receiving end; a wireless charging locating module, the wireless charging locating module determines whether the autonomous moving device is at a charging location; a driving module; and a control module, connected to the wireless charging locating module and driving module, when the wireless charging locating module determines that the autonomous moving device is at the charging location, controlling the driving module, to make the autonomous m
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: April 6, 2021
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Fangshi Liu, Gen Sun, Yongming Dong, Chang Zhou, Shiping Jiao, Jiang Du
  • Patent number: 10939613
    Abstract: The invention provides a grass trimmer and a cord delivering method for a grass trimmer, the grass trimmer includes an extending rod, an housing, a grass trimming head, a handle, a main motor and a main switch, wherein the grass trimming head includes a base, a cap and a spool having a first state relative static with the base, and the grass trimmer further includes a cord delivering mechanism; the cord delivering mechanism includes a cord delivering electronic switch independent of the main switch and a control device; and the cord delivering electronic switch operably electrically controls the control device to enable the spool to be in a second state capable of generating a rotary speed difference with the base. An operator does not need to interrupt work of the grass trimmer and can timely pay off required and the cord delivering operation is simple and convenient.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: March 9, 2021
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu, Xiaoli Pang, Robert Baker, Brandon Martin
  • Publication number: 20200412243
    Abstract: This invention discloses an electrical energy transmission apparatus. The electrical energy transmission apparatus includes an input component which is connected to a direct current (DC) energy storage component, an output component which comprises an alternating current (AC) device interface used to connect an AC device, and an adapter component which transfers electrical energy from the input component to the output component. The adapter component comprises a DC driving unit and an AC driving unit. The DC driving unit converts energy of the DC energy storage component into a DC power. The AC driving unit converts energy of the DC energy storage component into an AC power. At least one of the DC driving unit and the AC driving unit is connected to the AC device interface.
    Type: Application
    Filed: August 4, 2020
    Publication date: December 31, 2020
    Applicant: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Zhendong Gao, Guoliang Mu, Fangshi Liu
  • Publication number: 20200396916
    Abstract: The present invention relates to an intelligent gardening system, for monitoring and controlling gardening apparatuses in a gardening area, including: multiple sensors that collect environmental information of the gardening area; one or more gardening apparatuses that perform gardening work according to a control instruction; and a control center that generates the control instruction based on the environmental information; wherein the sensors, the gardening apparatuses and the control center communicate with each other to form an Internet of Things.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 24, 2020
    Inventors: Mingming He, Gen Sun, Yue Rao, Yong Shao, Fangshi Liu, Jun Wu, Chang Zhou
  • Patent number: 10852735
    Abstract: A self-moving robot system may comprise a signal generating device configured to generate a preset signal; a signal detecting device, configured to detect the preset signal and generate a detection result; a signal line configured to radiate or/and receive the preset signal; and a control unit disposed on a self-moving robot, wherein the control unit receives the detection result and controls the self-moving robot to move according to the detection result; one end of the signal line is connected to the signal generating device or/and the signal detecting device; the signal line unidirectionally extends from the end, and the signal line does not constitute a circuitry loop. The system can realize judging a working area and/or guiding returning of the self-moving robot by a non-closed signal line, to thereby simplify arrangement of the border line or guide line, and improve the user experience.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 1, 2020
    Assignee: Positec Power Tools (Suzhou) Co., Ltd.
    Inventors: Yiyun Tan, Yong Shao, Fangshi Liu, Gen Sun, Chang Zhou, Guoliang Mou, Sun Xifeng