Patents by Inventor Ka tat Kelvin Wong
Ka tat Kelvin Wong 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: 11780077Abstract: A self-moving robot includes a shell, a driving module, driving the self-moving robot to move on the ground; a mowing module, executing mowing work; an energy module, providing energy for the self-moving robot; a control module, controlling the self-moving robot to automatically move and execute work, the self-moving robot further includes a cleaning module executing ground cleaning work; the self-moving robot has a mowing mode and a cleaning mode, under the mowing mode, the control module controls the self-moving robot to execute mowing work, and under the cleaning mode, the control module controls the self-moving robot to execute cleaning work.Type: GrantFiled: September 29, 2021Date of Patent: October 10, 2023Assignee: Positec Technology (China) Co., Ltd.Inventors: Mingming He, Zhendong Gao, Ka Tat Kelvin Wong, Gen Sun, Qiang Liu, Yue Rao
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Patent number: 11780078Abstract: The present invention relates to a self-moving device (100). The self-moving device (100) includes a body (20), a walking mechanism (40) disposed on the body (20) and configured to drive the self-moving device (100) to walk, a connecting arm (60) connected to the body (20), and a control module (11) configured to control the walking mechanism (40) to drive the self-moving device (100) to walk within a defined area. The connecting arm (60) is selectively connected to at least one of at least two working heads (200) configured to perform different work tasks. The connecting arm (60) includes a connecting structure (64) configured to be connected to the working head (200) and a connecting component (62) configured to connect the connecting structure (64) to the body (20).Type: GrantFiled: March 12, 2020Date of Patent: October 10, 2023Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Ka Tat Kelvin Wong, Fengli Zhao
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Publication number: 20220282440Abstract: An automatic moving snow removal device including a moving module, driving a snow blower to move; a working module, including a working motor and a snow throwing mechanism driven by the working motor, the snow throwing mechanism is driven by the working motor to collect accumulated snow and inclusions on the ground and throw out of the snow throwing mechanism; and a control module, configured to control a rotary speed of the working motor to cause a speed when the inclusions depart from the snow throwing mechanism is not higher than 41 m/s.Type: ApplicationFiled: May 27, 2022Publication date: September 8, 2022Inventors: Don Zhendong Gao, Ka Tat Kelvin Wong, Shiping Jiao, Xiahoug Zha, Fengli Zhao, Xianfeng Li
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Patent number: 11352757Abstract: An automatic moving snow removal device including a moving module, driving a snow blower to move; a working module, including a working motor and a snow throwing mechanism driven by the working motor, the snow throwing mechanism is driven by the working motor to collect accumulated snow and inclusions on the ground and throw out of the snow throwing mechanism; and a control module, configured to control a rotary speed of the working motor to cause a speed when the inclusions depart from the snow throwing mechanism is not higher than 41 m/s.Type: GrantFiled: August 27, 2020Date of Patent: June 7, 2022Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Don Zhendong Gao, Ka Tat Kelvin Wong, Shiping Jiao, Xiahong Zha, Fengli Zhao, Xianfeng Li
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Patent number: 11346352Abstract: The embodiments relates to garden blower, including: an enclosure, including a main body part located on back end and a blowing pipe located on front end and extending axially, the enclosure disposed with an air inlet and an air outlet communicated with external environment; a power device, connected to the enclosure; a fan component, driven by the power device and generating airflows; the fan component includes at least two-level fans, further includes a first-level fan and a second-level fan axially disposed front and back, the garden blower includes a first air inlet passage allowing entrance of the airflows generated by the first-level fan and a second air inlet passage allowing entrance of the airflows generated by the second-level fan, and the airflows entering the first air inlet passage and the airflows entering the second air inlet passage are converged into the blowing pipe and are blown to the outside.Type: GrantFiled: February 7, 2019Date of Patent: May 31, 2022Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Zhengwei Liu, Shiping Jiao, Jiabo Liu, Xuefeng Yu, Ka Tat Kelvin Wong, Xiahong Zha, Fengli Zhao
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Publication number: 20220075376Abstract: 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: ApplicationFiled: November 12, 2021Publication date: March 10, 2022Inventors: Chang Zhou, Yiyun Tan, Yong Shao, Fangshi Liu, Ka Tat Kelvin Wong
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Publication number: 20220016754Abstract: A self-moving robot includes a shell, a driving module, driving the self-moving robot to move on the ground; a mowing module, executing mowing work; an energy module, providing energy for the self-moving robot; a control module, controlling the self-moving robot to automatically move and execute work, the self-moving robot further includes a cleaning module executing ground cleaning work; the self-moving robot has a mowing mode and a cleaning mode, under the mowing mode, the control module controls the self-moving robot to execute mowing work, and under the cleaning mode, the control module controls the self-moving robot to execute cleaning work.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Inventors: Mingming HE, Zhendong GAO, Ka Tat Kelvin WONG, Gen SUN, Qiang LIU, Yue RAO
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Patent number: 11161235Abstract: A self-moving robot includes a shell, a driving module, driving the self-moving robot to move on the ground; a mowing module, executing mowing work; an energy module, providing energy for the self-moving robot; a control module, controlling the self-moving robot to automatically move and execute work, the self-moving robot further includes a cleaning module executing ground cleaning work; the self-moving robot has a mowing mode and a cleaning mode, under the mowing mode, the control module controls the self-moving robot to execute mowing work, and under the cleaning mode, the control module controls the self-moving robot to execute cleaning work.Type: GrantFiled: July 1, 2019Date of Patent: November 2, 2021Assignee: POSITEC TECHNOLOGY (CHINA) CO., LTD.Inventors: Mingming He, Zhendong Gao, Ka Tat Kelvin Wong, Gen Sun, Qiang Liu, Yue Rao
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Publication number: 20210227744Abstract: The present invention relates to a self-moving device moving and working in a work area defined by a border, includes: a housing; a moving module, mounted in the housing, and driven by a drive motor to drive the self-moving device to move; a control module, controlling the self-moving device to move and work; a satellite navigation device, receiving a satellite signal; at least one position sensor, detecting a feature related to a position of the self-moving device; and a fusion processing unit comprising at least two inputs, one is the satellite signal, and the other is an output of the position sensor; the fusion processing unit performs operation on the satellite signal and the output of the position sensor, and outputs position information of the self-moving device; and the control module controls the moving module to drive the self-moving device to move based on the position information.Type: ApplicationFiled: March 26, 2021Publication date: July 29, 2021Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
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Patent number: 10959371Abstract: The present invention relates to a self-moving device moving and working in a work area defined by a border, includes: a housing; a moving module, mounted in the housing, and driven by a drive motor to drive the self-moving device to move; a control module, controlling the self-moving device to move and work; a satellite navigation device, receiving a satellite signal; at least one position sensor, detecting a feature related to a position of the self-moving device; and a fusion processing unit comprising at least two inputs, one is the satellite signal, and the other is an output of the position sensor; the fusion processing unit performs operation on the satellite signal and the output of the position sensor, and outputs position information of the self-moving device; and the control module controls the moving module to drive the self-moving device to move based on the position information.Type: GrantFiled: August 3, 2018Date of Patent: March 30, 2021Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Chang Zhou, Yiyun Tan, Ka Tat Kelvin Wong, Qiang Liu
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Patent number: 10940573Abstract: A hand-held tool system comprises a hand-held tool and a positioning device matching the hand-held tool. The hand-held tool comprises an output shaft and a working head coupled to the output shaft. The positioning device comprises a detecting module configured to detect a positional feature and/or a movement feature of the positioning device and output a parameter indicative of the positional feature and/or the movement feature, the detecting module and the working head having a preset distance therebetween; a storage module configured at least to record reference position information about the working head; a control module configured to acquire real-time position information about the working head based on the parameter, the preset distance and the reference position information; and an output module configured to output the real-time position information in a way that can be perceived.Type: GrantFiled: March 19, 2019Date of Patent: March 9, 2021Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Yong Shao, Jun Wu, Mingming He, Paolo Andriolo, Ka Tat Kelvin Wong, Shuai Meng
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Patent number: 10920386Abstract: An automatic moving snow removal device including a moving module, driving a snow blower to move; a working module, including a working motor and a snow throwing mechanism driven by the working motor, the snow throwing mechanism is driven by the working motor to collect accumulated snow and inclusions on the ground and throw out of the snow throwing mechanism; and a control module, configured to control a rotary speed of the working motor to cause a speed when the inclusions depart from the snow throwing mechanism is not higher than 41 m/s.Type: GrantFiled: August 3, 2018Date of Patent: February 16, 2021Assignee: Positec Power Tools (Suzhou) Co., Ltd.Inventors: Don Zhendong Gao, Ka Tat Kelvin Wong, Shiping Jiao, Xiahong Zha, Fengli Zhao, Xianfeng Li
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Publication number: 20200392684Abstract: An automatic moving snow removal device including a moving module, driving a snow blower to move; a working module, including a working motor and a snow throwing mechanism driven by the working motor, the snow throwing mechanism is driven by the working motor to collect accumulated snow and inclusions on the ground and throw out of the snow throwing mechanism; and a control module, configured to control a rotary speed of the working motor to cause a speed when the inclusions depart from the snow throwing mechanism is not higher than 41 m/s.Type: ApplicationFiled: August 27, 2020Publication date: December 17, 2020Inventors: Don Zhendong Gao, Ka Tat Kelvin Wong, Shiping Jiao, Xiahong Zha, Fengli Zhao, Xianfeng Li
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Publication number: 20200206896Abstract: The present invention relates to a self-moving device (100). The self-moving device (100) includes a body (20), a walking mechanism (40) disposed on the body (20) and configured to drive the self-moving device (100) to walk, a connecting arm (60) connected to the body (20), and a control module (11) configured to control the walking mechanism (40) to drive the self-moving device (100) to walk within a defined area. The connecting arm (60) is selectively connected to at least one of at least two working heads (200) configured to perform different work tasks. The connecting arm (60) includes a connecting structure (64) configured to be connected to the working head (200) and a connecting component (62) configured to connect the connecting structure (64) to the body (20).Type: ApplicationFiled: March 12, 2020Publication date: July 2, 2020Inventors: Ka Tat Kelvin Wong, Fengli Zhao
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Publication number: 20190369620Abstract: 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: ApplicationFiled: June 14, 2019Publication date: December 5, 2019Inventors: Chang ZHOU, Yiyun TAN, Yong SHAO, Fangshi LIU, Ka Tat Kelvin WONG
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Publication number: 20190339719Abstract: A self-moving device moves and works in a defined working region. The self-moving device includes an energy module supplying energy to the self-moving device and a battery mounting portion used to accommodate the energy module. The battery mounting portion includes a housing, an accommodating cavity defined by the housing, a support accommodated in the accommodating cavity, and a battery accommodating portion located in the accommodating cavity and used to accommodate a battery pack. A connection relationship between the housing and the support at least includes two different connection states. The battery accommodating portion has different volumes or sizes in the two different connection states.Type: ApplicationFiled: July 17, 2019Publication date: November 7, 2019Inventors: Chunyan WANG, Xiaogang YANG, Ka Tat Kelvin WONG, Yongming DONG, Jun WU, Peng CHEN, Changhua LIU
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Publication number: 20190321964Abstract: A self-moving robot includes a shell, a driving module, driving the self-moving robot to move on the ground; a mowing module, executing mowing work; an energy module, providing energy for the self-moving robot; a control module, controlling the self-moving robot to automatically move and execute work, the self-moving robot further includes a cleaning module executing ground cleaning work; the self-moving robot has a mowing mode and a cleaning mode, under the mowing mode, the control module controls the self-moving robot to execute mowing work, and under the cleaning mode, the control module controls the self-moving robot to execute cleaning work.Type: ApplicationFiled: July 1, 2019Publication date: October 24, 2019Applicant: Positec Technology (China) Co., LtdInventors: Mingming He, Zhendong Gao, Ka Tat Kelvin Wong, Gen Sun, Qiang Liu, Yue Rao
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Publication number: 20190283196Abstract: A hand-held tool system comprises a hand-held tool and a positioning device matching the hand-held tool. The hand-held tool comprises an output shaft and a working head coupled to the output shaft. The positioning device comprises a detecting module configured to detect a positional feature and/or a movement feature of the positioning device and output a parameter indicative of the positional feature and/or the movement feature, the detecting module and the working head having a preset distance therebetween; a storage module configured at least to record reference position information about the working head; a control module configured to acquire real-time position information about the working head based on the parameter, the preset distance and the reference position information; and an output module configured to output the real-time position information in a way that can be perceived.Type: ApplicationFiled: March 19, 2019Publication date: September 19, 2019Inventors: Yong Shao, Jun Wu, Mingming He, Paolo Andriolo, Ka Tat Kelvin Wong, Shuai Meng
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Patent number: 10391624Abstract: A power tool including a housing, a motor, an output shaft, a cartridge, a connecting shaft, a restrictor, and a slider. The connecting shaft is configured to move between a working status in which the connecting shaft is coupled with a first tool bit in a first tool chamber which the connecting shaft passing through, and a release status in which the connecting shaft is separated from the first tool chamber. The restrictor is configured to move between a first position and a second position. The slider is configured to move along an axial direction to cause the restrictor to be moved from the first position to the second position.Type: GrantFiled: July 15, 2016Date of Patent: August 27, 2019Assignee: POSITEC POWER TOOLS (SUZHOU) CO., LTD.Inventors: Shisong Zhang, Hongfeng Zhong, Xiaoli Pang, Jingtao Xu, Paolo Andriolo, Ka Tat Kelvin Wong, Zhi Chen
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Patent number: 10377035Abstract: The present invention discloses a self-moving robot, comprising a self-moving module and at least one of a plurality of interchangeable working modules connected to the self-moving module; the working module further comprises a second energy unit, and the first energy unit comprises a chargeable battery, providing energy for the working module or the self-moving robot. The self-moving robot executes various types of working tasks in the working area in an unattended manner by disposing a self-moving module and an interchangeable working module, and by disposing the working module into an independent energy unit, the working module is sufficient in energy and long in durability.Type: GrantFiled: November 6, 2015Date of Patent: August 13, 2019Assignee: POSITEC TECHNOLOGY (CHINA) CO., LTDInventors: Mingming He, Zhendong Gao, Ka Tat Kelvin Wong, Gen Sun, Qiang Liu, Yue Rao