Patents by Inventor Yongfeng Xia

Yongfeng Xia 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: 20240122433
    Abstract: A sweeping assembly for a cleaning device, includes: a brush holder defining an accommodating cavity therein; a main brushroll accommodated in the accommodating cavity of the brush holder, the main brushroll including a cleaning part located at a middle portion of the main brushroll and a connecting part located at an end of the main brushroll, the connecting part being connected to the brush holder or a driver of the cleaning device; and an anti-winding structure arranged at the brush holder, and including a first end connected to the brush holder, and a second end abutting against the brushroll.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing Rockrobo Technology Co., Ltd.
    Inventors: Liang QIAO, Xing LI, Yongfeng XIA
  • Patent number: 11903540
    Abstract: A cleaning robot includes a detector configured to detect an obstacle; a determining circuit configured to determine whether the cleaning robot is in an obstacle obstruction state; and a controller configured to control the first drive wheel to cross an obstacle and control the second drive wheel to cross the obstacle according to a detection result when the cleaning robot is in the obstacle obstruction state, wherein the detector is further configured to detect whether the first drive wheel crosses the obstacle; and the controller is further configured to control the second drive wheel to cross the obstacle when the detector detects that the first drive wheel crosses the obstacle.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 20, 2024
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Yang He, Yongfeng Xia
  • Patent number: 11882970
    Abstract: The present disclosure relates to a cleaning device and a sweeping assembly thereof. The sweeping assembly includes: a brush holder; a brush body arranged in the brush holder, and including a cleaning part and a connecting part connected to each other, the connecting part being further connected to the driver to rotate the brush body, the cleaning part including a brush member protruding outward therefrom; and an anti-winding structure arranged at the connecting part, and configured to fill up a gap between the brush holder and the connecting part.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: January 30, 2024
    Assignees: Beijing Xiaomi Mobile Software Co., Ltd., Beijing Rockrobo Technology Co., Ltd.
    Inventors: Liang Qiao, Xing Li, Yongfeng Xia
  • Publication number: 20240019869
    Abstract: A method of controlling a cleaning robot includes: acquiring a marked position of a charging station in a map; controlling the cleaning robot to travel to a front position of the marked position and identifying the charging station; when the charging station is not identified, generating a finding path based on the marked position; and controlling the cleaning robot to travel in accordance with the finding path and identifying the charging station in a traveling process.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Hang HE, Haojian XIE, Yongfeng XIA
  • Patent number: 11797018
    Abstract: A method of controlling a cleaning robot includes: acquiring a marked position of a charging station in a map; controlling the cleaning robot to travel to a front position of the marked position and identifying the charging station; when the charging station is not identified, generating a finding path based on the marked position; and controlling the cleaning robot to travel in accordance with the finding path and identifying the charging station in a traveling process.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: October 24, 2023
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Hang He, Haojian Xie, Yongfeng Xia
  • Patent number: 11771291
    Abstract: A robot includes a controller configured to: detect a virtual wall signal; identify a virtual wall according to a signal threshold and the virtual wall signal; and when the virtual wall is identified, adjust the signal threshold, and control the robot to travel along an outer side of the virtual wall according to an adjusted signal threshold and the virtual wall signal, such that a driving wheel of the robot is located at the outer side of the virtual wall when the robot is traveling along the outer side of the virtual wall; wherein the outer side of the virtual wall is a side of the virtual wall within an active region of the robot.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: October 3, 2023
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Haojian Xie, Yongfeng Xia
  • Publication number: 20220253064
    Abstract: A method of controlling a cleaning robot includes: acquiring a marked position of a charging station in a map; controlling the cleaning robot to travel to a front position of the marked position and identifying the charging station; when the charging station is not identified, generating a finding path based on the marked position; and controlling the cleaning robot to travel in accordance with the finding path and identifying the charging station in a traveling process.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Hang HE, Haojian XIE, Yongfeng XIA
  • Patent number: 11358047
    Abstract: The disclosure relates to a skateboard and control method thereof. A skateboard deck is fixed on an axle of the skateboard, and a first sensor group and a second sensor group are sequentially arranged on the skateboard deck in a width direction. The method includes acquiring a first pressure value of the first sensor group and a second pressure value of the second sensor group; controlling the skateboard to turn to a first direction when the first pressure value is greater than the second pressure value and a difference value between the first pressure value and the second pressure value is greater than a first threshold, and controlling the skateboard to turn to a second direction when the second pressure value is greater than the first pressure value and a difference value between the second pressure value and the first pressure value is greater than a second threshold.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: June 14, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Liang Cheng, Yongfeng Xia
  • Patent number: 11340626
    Abstract: A method of controlling a cleaning robot includes: acquiring a marked position of a charging station in a map; controlling the cleaning robot to travel to a front position of the marked position and identifying the charging station; when the charging station is not identified, generating a finding path based on the marked position; and controlling the cleaning robot to travel in accordance with the finding path and identifying the charging station in a traveling process.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 24, 2022
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.
    Inventors: Hang He, Haojian Xie, Yongfeng Xia
  • Publication number: 20210378473
    Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.
    Type: Application
    Filed: August 24, 2021
    Publication date: December 9, 2021
    Inventors: Xing LI, Zitao WANG, Zhijun LI, Yongfeng XIA
  • Publication number: 20210378475
    Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.
    Type: Application
    Filed: August 24, 2021
    Publication date: December 9, 2021
    Inventors: Xing LI, Zitao WANG, Zhijun LI, Yongfeng XIA
  • Publication number: 20210378474
    Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.
    Type: Application
    Filed: August 24, 2021
    Publication date: December 9, 2021
    Inventors: Xing LI, Zitao WANG, Zhijun LI, Yongfeng XIA
  • Patent number: 11156852
    Abstract: The present disclosure relates to a holographic projection device, a holographic projection method, and a holographic projection apparatus. The holographic projection device includes a first stereoscopic imaging device including a plurality of transparent pixel blocks; and a light emitting device including a plurality of light emitting units, wherein the plurality of transparent pixel blocks have a one-to-one correspondence with the plurality of light emitting units, and wherein for a light emitting unit A of the plurality of light emitting units, the light emitting unit A is configured to illuminate a transparent pixel block A, and the transparent pixel block A is a transparent pixel block corresponding to the light emitting unit A in the plurality of transparent pixel blocks.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: October 26, 2021
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Liang Cheng, Yongfeng Xia, Jiaping Wang
  • Publication number: 20210321853
    Abstract: A cleaning robot includes a detector configured to detect an obstacle; a determining circuit configured to determine whether the cleaning robot is in an obstacle obstruction state; and a controller configured to control the first drive wheel to cross an obstacle and control the second drive wheel to cross the obstacle according to a detection result when the cleaning robot is in the obstacle obstruction state, wherein the detector is further configured to detect whether the first drive wheel crosses the obstacle; and the controller is further configured to control the second drive wheel to cross the obstacle when the detector detects that the first drive wheel crosses the obstacle.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Yang HE, Yongfeng XIA
  • Publication number: 20210290024
    Abstract: A robot includes a controller configured to: detect a virtual wall signal; identify a virtual wall according to a signal threshold and the virtual wall signal; and when the virtual wall is identified, adjust the signal threshold, and control the robot to travel along an outer side of the virtual wall according to an adjusted signal threshold and the virtual wall signal, such that a driving wheel of the robot is located at the outer side of the virtual wall when the robot is traveling along the outer side of the virtual wall; wherein the outer side of the virtual wall is a side of the virtual wall within an active region of the robot.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    Inventors: Haojian XIE, Yongfeng XIA
  • Patent number: 11113986
    Abstract: The disclosure relates to a story machine, a control method and control device thereof, a storage medium and a story machine player system are provided. The story machine includes circuitry configured to detect movement indication information for indicating a first movement path of the story machine; control the story machine to move along the first movement path based on the detected movement indication information; detect play indication information for indicating multimedia information; control the story machine to stop moving in response to detecting the play indication information; and play the multimedia information based on the detected play indication information.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: September 7, 2021
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Liang Cheng, Yongfeng Xia, Jialin Fan
  • Publication number: 20210251450
    Abstract: An automatic cleaning device includes: a sensor system for collecting a pre-set environment parameter of surroundings of the automatic cleaning device; and an application processor. The application processor includes a central processing unit electrically coupled to the sensor system to acquire the pre-set environment parameter collected by the sensor system. The application processor further includes a graphic processing unit electrically coupled to the central processing unit. The graphic processing unit obtains the pre-set environment parameter from the central processing unit and then generates a map of the surroundings of the automatic cleaning device based on the pre-set environment parameter.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 19, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.
    Inventors: Yingnan XUE, Yongfeng XIA
  • Patent number: 11076737
    Abstract: A cleaning robot includes a detector configured to detect an obstacle; a determining portion configured to determine whether the cleaning robot is in an obstacle obstruction state; and a controller configured to control the first drive wheel to cross an obstacle and control the second drive wheel to cross the obstacle according to a detection result when the cleaning robot is in the obstacle obstruction state.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: August 3, 2021
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.
    Inventors: Yang He, Yongfeng Xia
  • Patent number: 11045060
    Abstract: A robot includes a controller configured to: detect a virtual wall signal; identify a virtual wall according to a signal threshold and the virtual wall signal; and when the virtual wall is identified, adjust the signal threshold, and control the robot to travel along an outer side of the virtual wall according to an adjusted signal threshold and the virtual wall signal, such that a driving wheel of the robot is located at the outer side of the virtual wall when the robot is traveling along the outer side of the virtual wall; wherein the outer side of the virtual wall is a side of the virtual wall within an active region of the robot.
    Type: Grant
    Filed: December 30, 2018
    Date of Patent: June 29, 2021
    Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.
    Inventors: Haojian Xie, Yongfeng Xia
  • Patent number: 11013385
    Abstract: An automatic cleaning device includes: a sensor system for collecting a pre-set environment parameter of surroundings of the automatic cleaning device; and an application processor. The application processor includes a central processing unit electrically coupled to the sensor system to acquire the pre-set environment parameter collected by the sensor system. The application processor further includes a graphic processing unit electrically coupled to the central processing unit. The graphic processing unit obtains the pre-set environment parameter from the central processing unit and then generates a map of the surroundings of the automatic cleaning device based on the pre-set environment parameter.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: May 25, 2021
    Assignees: Xiaomi Inc., Beijing Rockrobo Technology Co., Ltd.
    Inventors: Yingnan Xue, Yongfeng Xia