Patents by Inventor Dafei Mo
Dafei Mo 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: 20240113412Abstract: An electronic device includes a first body, a second body, and a first antenna. The first body and the second body are configured to bend relatively. A periphery of the first body includes a first conductive frame, and a periphery of the second body includes a second conductive frame. The first conductive frame includes a first gap. The first antenna is arranged in the first body. A feeding end of the first antenna is connected to the first conductive frame. The first antenna includes a first working mode and a second working mode. In the first working mode, the first antenna transmits a signal based on the first conductive frame having the first gap. In the second working mode, the first antenna transmits the signal based on the first conductive frame and the second conductive frame.Type: ApplicationFiled: August 14, 2023Publication date: April 4, 2024Inventors: Yuling XU, Dafei MO
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Patent number: 11768526Abstract: An electronic device is provided in the present disclosure. The electronic device includes a first main body having a first metal shell and a second main body having a second metal shell, where the first metal shell has a first slot; and the second metal shell has a second slot; and further includes an antenna circuit disposed in the first metal shell, where the antenna circuit has a radiator; and the radiator and the first slot satisfy a coupling condition. In response to being in a first state, the radiator and the second slot satisfy the coupling condition, and the radiator radiates a signal through the first slot and the second slot, simultaneously; and in response to being in a second state, the first slot and the second slot do not satisfy the coupling condition, and the radiator radiates the signal through the first slot.Type: GrantFiled: March 7, 2022Date of Patent: September 26, 2023Assignee: LENOVO (BEIJING) LIMITEDInventors: Yuling Xu, Dafei Mo
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Publication number: 20230062101Abstract: An electronic device is provided in the present disclosure. The electronic device includes a first main body having a first metal shell and a second main body having a second metal shell, where the first metal shell has a first slot; and the second metal shell has a second slot; and further includes an antenna circuit disposed in the first metal shell, where the antenna circuit has a radiator; and the radiator and the first slot satisfy a coupling condition. In response to being in a first state, the radiator and the second slot satisfy the coupling condition, and the radiator radiates a signal through the first slot and the second slot, simultaneously; and in response to being in a second state, the first slot and the second slot do not satisfy the coupling condition, and the radiator radiates the signal through the first slot.Type: ApplicationFiled: March 7, 2022Publication date: March 2, 2023Inventors: Yuling XU, Dafei MO
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Patent number: 11121460Abstract: An antenna assembly is provided for an electronic device. The electronic device has a housing, which includes a first portion and a second portion, the first portion is electrically conductive, and the second portion is non-conductive. The antenna assembly includes an antenna cavity, at least two antennas located in the antenna cavity, and at least one isolation structure. The antennas are used for radiating energy, the isolation structure is disposed between the two antennas and connected to the two antennas, and the isolation structure isolates induced currents of the two antennas to reduce interference at a same frequency or from adjacent frequency channels between the two antennas.Type: GrantFiled: December 26, 2019Date of Patent: September 14, 2021Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Dafei Mo, Xiaoren Cheng, Xiaozhun Shen
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Patent number: 10944160Abstract: An electronic device is provided. The electronic device includes: a first tubular structure having an annular cross-section and including a conductive first tubular member at a first end of the first tubular structure and a conductive second tubular member at a second end of the first tubular structure; an insulating spacer disposed between the first tubular member and the second tubular member; an insulating slot disposed on a sidewall of the second tubular member and extending through the sidewall along a direction the first tubular structure extends; and a first feed point disposed on the second tubular member, the second tubular member transmitting a signal received from the first feed point.Type: GrantFiled: June 26, 2019Date of Patent: March 9, 2021Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Wenlei Wang, Dafei Mo, Weimin Bao
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Patent number: 10879581Abstract: An electronic device includes a first body, a second body, and a rotating shaft structure connected to the first body and the second body. The rotating shaft structure includes a first shaft and a second shaft arranged opposite to each other and fixedly connected to the first body and the second body. The rotating shaft structure further includes an antenna radiator including a plurality of metal shafts electrically coupled to each other and provided in an interspace between the first shaft and the second shaft.Type: GrantFiled: March 30, 2018Date of Patent: December 29, 2020Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Wenlei Wang, Zhaowei Hu, Xiaozhun Shen, Dafei Mo
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Publication number: 20200212560Abstract: An antenna assembly is provided for an electronic device. The electronic device has a housing, which includes a first portion and a second portion, the first portion is electrically conductive, and the second portion is non-conductive. The antenna assembly includes an antenna cavity, at least two antennas located in the antenna cavity, and at least one isolation structure. The antennas are used for radiating energy, the isolation structure is disposed between the two antennas and connected to the two antennas, and the isolation structure isolates induced currents of the two antennas to reduce interference at a same frequency or from adjacent frequency channels between the two antennas.Type: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Inventors: Dafei MO, Xiaoren CHENG, Xiaozhun SHEN
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Publication number: 20190393592Abstract: An electronic device is provided. The electronic device includes: a first tubular structure having an annular cross-section and including a conductive first tubular member at a first end of the first tubular structure and a conductive second tubular member at a second end of the first tubular structure; an insulating spacer disposed between the first tubular member and the second tubular member; an insulating slot disposed on a sidewall of the second tubular member and extending through the sidewall along a direction the first tubular structure extends; and a first feed point disposed on the second tubular member, the second tubular member transmitting a signal received from the first feed point.Type: ApplicationFiled: June 26, 2019Publication date: December 26, 2019Inventors: Wenlei WANG, Dafei MO, Weimin BAO
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Publication number: 20190006747Abstract: An electronic device includes a first body, a second body, and a rotating shaft structure connected to the first body and the second body. The rotating shaft structure includes a first shaft and a second shaft arranged opposite to each other and fixedly connected to the first body and the second body. The rotating shaft structure further includes an antenna radiator including a plurality of metal shafts electrically coupled to each other and provided in an interspace between the first shaft and the second shaft.Type: ApplicationFiled: March 30, 2018Publication date: January 3, 2019Inventors: Wenlei WANG, Zhaowei HU, Xiaozhun SHEN, Dafei MO
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Patent number: 9419328Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: GrantFiled: July 6, 2015Date of Patent: August 16, 2016Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Patent number: 9231294Abstract: The present invention provides a method and an apparatus for compensating frequency shifting of an antenna, applicable to a wireless communication device having at least one frequency shifted operating mode, in which a frequency shifting exists due to a variation of a device use mode or an environmental condition, wherein the method comprises setting in the antenna at least one compensation matching circuit corresponding to the at least one frequency shifted operating mode; detecting the use mode, in which the wireless communication device operates; when the wireless communication device is in the frequency shifted operating mode, switching to a compensation matching circuit corresponding to the frequency shifted operating mode as detected. In the present invention, the difficulty in the bandwidth design of the antenna is reduced, and the effect of the variation of the use mode or environmental condition on the performance of the antenna is compensated adaptively.Type: GrantFiled: March 18, 2013Date of Patent: January 5, 2016Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Kai Lu, Zhaowei Hu, Dafei Mo, Chunmei Ye
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Patent number: 9229490Abstract: Provided is an information processing device that includes a first component, including a display unit and a first antenna of the information processing device; a second component, including an arithmetic unit and a radio frequency circuit; the arithmetic unit used for providing a display signal to the display unit; a first connecting means used for connecting the first component and the second component and enabling the first component to rotate relative to the second component; and a second antenna disposed on the first connecting means.Type: GrantFiled: September 27, 2012Date of Patent: January 5, 2016Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Zhaowei Hu, Chunmei Ye, Xiongbing Gong
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Patent number: 9178271Abstract: Disclosed are electronic devices. The electronic device includes a metal component configured as an antenna arm, wherein a current delivery path for delivering high-frequency current is formed on the metal component so that the high-frequency current is delivered in accordance with a predetermined path along the current delivery path on the metal component. In this way, the delivery path of the high-frequency current on the antenna can be adjusted to satisfy requirement on antenna performance.Type: GrantFiled: September 27, 2011Date of Patent: November 3, 2015Assignees: Lenovo (Beijing) Limited, Beijing Lenovo Software Ltd.Inventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang
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Publication number: 20150311581Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: ApplicationFiled: July 6, 2015Publication date: October 29, 2015Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) CO., LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Patent number: 9112271Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: GrantFiled: October 9, 2012Date of Patent: August 18, 2015Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Publication number: 20130252662Abstract: The present invention provides a method and an apparatus for compensating frequency shifting of an antenna, applicable to a wireless communication device having at least one frequency shifted operating mode, in which a frequency shifting exists due to a variation of a device use mode or an environmental condition, wherein the method comprises setting in the antenna at least one compensation matching circuit corresponding to the at least one frequency shifted operating mode; detecting the use mode, in which the wireless communication device operates; when the wireless communication device is in the frequency shifted operating mode, switching to a compensation matching circuit corresponding to the frequency shifted operating mode as detected. In the present invention, the difficulty in the bandwidth design of the antenna is reduced, and the effect of the variation of the use mode or environmental condition on the performance of the antenna is compensated adaptively.Type: ApplicationFiled: March 18, 2013Publication date: September 26, 2013Applicant: LENOVO (BEIJING) CO., LTD.Inventors: Kai LU, Zhaowei HU, Dafei MO, Chunmei YE
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Publication number: 20130176181Abstract: Disclosed are electronic devices. The electronic device includes a metal component configured as an antenna arm, wherein a current delivery path for delivering high-frequency current is formed on the metal component so that the high-frequency current is delivered in accordance with a predetermined path along the current delivery path on the metal component. In this way, the delivery path of the high-frequency current on the antenna can be adjusted to satisfy requirement on antenna performance.Type: ApplicationFiled: September 27, 2011Publication date: July 11, 2013Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITEDInventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang