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).
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Publication number: 20210137337Abstract: 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: ApplicationFiled: January 19, 2021Publication date: May 13, 2021Inventors: Xing LI, Zitao WANG, Zhijun LI, Yongfeng XIA
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Publication number: 20210108946Abstract: The present disclosure relates to a laser ranging device. The laser ranging device includes an encoded chassis, a rotary disc, a first barrier ring on the rotary disc and/or a second barrier ring on the encoded chassis. The encoded chassis includes a rotary bin and a plurality of ranging teeth disposed at intervals on the periphery of the rotary bin. The rotary disc is mounted within the encoded chassis and is rotatable within the rotary bin when the rotary disc is driven. The first barrier ring is disposed at the edge of the bottom surface of the rotary disc and the second barrier ring is disposed at the periphery of the ranging teeth, and the first barrier ring is located at the periphery of the ranging teeth after the rotary disc is mounted to the encoded chassis.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicants: XIAOMI INC., BEIJING ROCKROBO TECHNOLOGY CO., LTD.Inventors: Yunpeng WAN, Yongfeng XIA
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Patent number: 10945577Abstract: A timed cleaning method includes: obtaining a topographic map of a cleaning region, wherein the topographic map identifies an obstacle in the cleaning region; based on the topographic map, determining an unclean region in the cleaning region, wherein the unclean region is occupied by the obstacle; detecting the unclean region according to a preset time interval; and if the obstacle at the unclean region is removed, cleaning the unclean region.Type: GrantFiled: August 10, 2018Date of Patent: March 16, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Yongfeng Xia, Ke Wu
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Patent number: 10932636Abstract: 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: GrantFiled: April 12, 2017Date of Patent: March 2, 2021Assignees: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.Inventors: Xing Li, Zitao Wang, Zhijun Li, Yongfeng Xia
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Patent number: 10900816Abstract: The present disclosure relates to a laser ranging device. The laser ranging device includes an encoded chassis, a rotary disc, a first barrier ring on the rotary disc and/or a second barrier ring on the encoded chassis. The encoded chassis includes a rotary bin and a plurality of ranging teeth disposed at intervals on the periphery of the rotary bin. The rotary disc is mounted within the encoded chassis and is rotatable within the rotary bin when the rotary disc is driven. The first barrier ring is disposed at the edge of the bottom surface of the rotary disc and the second barrier ring is disposed at the periphery of the ranging teeth, and the first barrier ring is located at the periphery of the ranging teeth after the rotary disc is mounted to the encoded chassis.Type: GrantFiled: June 29, 2018Date of Patent: January 26, 2021Assignees: Xiaomi Inc., BEIJING ROCKROBO TECHNOLOGY CO., LTD.Inventors: Yunpeng Wan, Yongfeng Xia
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Publication number: 20200345198Abstract: 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: ApplicationFiled: July 16, 2020Publication date: November 5, 2020Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing Rockrobo Technology Co., Ltd.Inventors: Liang QIAO, Xing LI, Yongfeng XIA
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Patent number: 10750921Abstract: The present disclosure relates to an automatic cleaning device and a sweeping assembly thereof. The sweeping assembly includes: a brush holder, a brush body disposed at least partially in the brush holder; and an anti-winding structure. The anti-winding structure is located at a joint of the brush body and the brush holder, where the anti-winding structure is configured to at least partially fill a gap at the joint when the sweeping assembly is in a working state.Type: GrantFiled: April 11, 2017Date of Patent: August 25, 2020Assignees: Beijing Xiaomi Mobile Software Co., Ltd., Beijing Rockrobo Technology Co., Ltd.Inventors: Liang Qiao, Xing Li, Yongfeng Xia
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Publication number: 20200264017Abstract: The present disclosure relates to a laser ranging device. The laser ranging device includes an encoded chassis, a rotary disc, a first barrier ring on the rotary disc and/or a second barrier ring on the encoded chassis. The encoded chassis includes a rotary bin and a plurality of ranging teeth disposed at intervals on the periphery of the rotary bin. The rotary disc is mounted within the encoded chassis and is rotatable within the rotary bin when the rotary disc is driven. The first barrier ring is disposed at the edge of the bottom surface of the rotary disc and the second barrier ring is disposed at the periphery of the ranging teeth, and the first barrier ring is located at the periphery of the ranging teeth after the rotary disc is mounted to the encoded chassis.Type: ApplicationFiled: June 29, 2018Publication date: August 20, 2020Applicants: XIAOMI INC., BEIJING ROCKROBO TECHNOLOGY CO., LTD.Inventors: Yunpeng WAN, Yongfeng XIA
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Patent number: 10747232Abstract: The present disclosure relates to a method and a device for drawing a room layout. The method includes obtaining a sweeping path graph of a sweeping robot, the sweeping path graph comprising positions of N first obstacles and shapes and positions of M second obstacles encountered by the sweeping robot when sweeping a room, a bottom area of each of the N first obstacles being less than or equal to a first preset threshold, a bottom area of each of the M second obstacles being greater than or equal to a second preset threshold, wherein N and M are integers greater than or equal to 0; determining Q pieces of furniture arranged in the room based on the positions of the N first obstacles and the shapes and the positions of the M second obstacles, wherein Q is an integer greater than or equal to 0 and less than or equal to (N+M); and marking the Q pieces of furniture on a plan of the room to generate the layout of the room.Type: GrantFiled: April 25, 2018Date of Patent: August 18, 2020Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Yongfeng Xia, Ke Wu
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Patent number: 10696171Abstract: The present disclosure relates to a charging method and a charging apparatus of a cleaning robot. With the method, position information of a plurality of charging ports available for the cleaning robot is obtained; when it is determined that the cleaning robot needs to be charged, current position information of the cleaning robot is obtained; a closest charging port from the plurality of charging ports which is the closest to a current position of the cleaning robot is determined according to the position information of the plurality of charging ports and the current position information of the cleaning robot; and the cleaning robot is controlled to move to the closest charging port according to the position information of the closest charging port. With the technical solution, the cleaning robot may be charged nearby, thereby reducing power consumption of the cleaning robot.Type: GrantFiled: April 20, 2018Date of Patent: June 30, 2020Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Yongfeng Xia, Ke Wu
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Patent number: 10569874Abstract: A flight control method includes: determining a positional relationship between an aircraft and a control device; determining a polar coordinate system with the control device as an origin according to the positional relationship; receiving a flight direction control instruction sent by the control device, the flight direction control instruction being generated on the basis of the polar coordinate system; and driving, according to coordinate information about the aircraft in the polar coordinate system, the aircraft to fly in accordance with the flight direction control instruction.Type: GrantFiled: October 2, 2017Date of Patent: February 25, 2020Assignee: Xiaomi Inc.Inventors: Pengfei Zhang, Wei Cai, Yongfeng Xia, Hualin Ye
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Patent number: 10570910Abstract: The present disclosure relates to a method and device for adjusting operation data of an air-out device. The method may involve presenting an operation data adjustment interface for adjusting the operation parameter of the air-out device in response to a user selection of the interaction element for adjusting the operation parameter of the air-out device, obtaining an adjusted operation parameter of the air-out device, generating an adjusted operation data file based on the adjusted operation parameter that is obtained, and transmitting the adjusted operation data file to the air-out device.Type: GrantFiled: August 1, 2017Date of Patent: February 25, 2020Assignees: BEIJING SMARTMI TECHNOLOGY CO., LTD., XIAOMI INC.Inventors: Jun Su, Mengnan Wang, Yongfeng Xia, Yi Wang
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Patent number: 10571918Abstract: The present disclosure relates to a cleaning method and a cleaning device. The method includes: acquiring a map of a target area, the map identifying an obstacle in the target area; determining an uncleaned area that cannot be cleaned due to occupancy of the obstacle in the target area according to the map; determining whether the obstacle occupying the uncleaned area can be removed by the sweeper; and the sweeper removing the obstacle and cleaning the uncleaned area, when the obstacle occupying the uncleaned area can be removed by the sweeper. In the technical solution, when an obstacle is encountered during cleaning, the sweeper may mark the area as an uncleaned area, and when it is determined that the obstacle occupying the area may be removed, the obstacle is removed and the area is cleaned.Type: GrantFiled: August 17, 2018Date of Patent: February 25, 2020Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Yongfeng Xia, Ke Wu
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Publication number: 20190366193Abstract: 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: ApplicationFiled: May 22, 2019Publication date: December 5, 2019Applicant: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Liang CHENG, Yongfeng Xia
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Patent number: 10394248Abstract: A charging pile, a method and device for recognizing the charging pile are provided. The charging pile may include: a pile body having a side surface; a power interface provided on the side surface of the pile body to supply power for the autonomous cleaning device; an identification structure arranged on the side surface of the pile body to enable the autonomous cleaning device to recognize a position of the power interface and comprising a plurality of identification elements, each of the plurality of identification elements comprising at least one convex and at least one concave; wherein a retroreflection coefficient of any one of the at least one convex and the at least one concave is smaller than that of the other one of the at least one convex and the at least one concave and sufficient to form a retroreflected light recognizable by the autonomous cleaning device; and wherein at least one of the plurality of identification elements comprises a convex and a concave having mismatched specifications.Type: GrantFiled: December 21, 2016Date of Patent: August 27, 2019Assignees: XIAOMI INC., BEIJING ROCKROBO TECHNOLOGY CO. LTD.Inventors: Jingying Cao, Hang He, Yongfeng Xia
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Publication number: 20190235262Abstract: 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: ApplicationFiled: January 29, 2019Publication date: August 1, 2019Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Liang CHENG, Yongfeng Xia, Jiaping Wang
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Patent number: 10356160Abstract: The present disclosure relates to a method for acquiring user information in a terminal device for acquiring user information and a terminal device thereof, and a method for acquiring user information in a server and a server thereof. The method includes: receiving acquisition information uploaded by a first wearable device bound. Herein the acquisition information comprises an identifier for identifying a second wearable device detected by the first wearable device; uploading the acquisition information to a server; receiving the user information pushed by the server. Herein the user information is obtained by the server according to the identifier and is associated with the acquisition information; and performing a processing operation according to the user information.Type: GrantFiled: June 11, 2015Date of Patent: July 16, 2019Assignee: XIAOMI INC.Inventors: Pengfei Zhang, Heng Qu, Yongfeng Xia, Yidong Wang
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Publication number: 20190187717Abstract: 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: ApplicationFiled: February 22, 2019Publication date: June 20, 2019Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING ROCKROBO TECHNOLOGY CO., LTD.Inventors: Hang HE, Haojian XIE, Yongfeng XIA
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Publication number: 20190164447Abstract: 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: ApplicationFiled: November 29, 2018Publication date: May 30, 2019Applicant: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Liang CHENG, Yongfeng XIA, Jialin FAN
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Patent number: 10303135Abstract: A method and an apparatus are provided for controlling a smart home device. In the method, the apparatus acquires a target state of the smart home device, where the target state is a state determined according to visitor information within a predetermined range. The smart home device performs an operation corresponding to the target state. The smart home device flexibly performs different operations according to the actual visit situation so that working efficiency is improved. Especially when there are a large number of visitors within the predetermined range, the smart home device may automatically enter an unconventional working state, such that inconvenience caused by movement and noise to the visitors may be prevented, thereby improving overall performance of the smart home device.Type: GrantFiled: October 13, 2015Date of Patent: May 28, 2019Assignee: Xiaomi Inc.Inventors: Pengfei Zhang, Yongfeng Xia, Yidong Wang, Tiejun Liu