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).

  • Publication number: 20240113412
    Abstract: 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: Application
    Filed: August 14, 2023
    Publication date: April 4, 2024
    Inventors: Yuling XU, Dafei MO
  • Patent number: 11768526
    Abstract: 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: Grant
    Filed: March 7, 2022
    Date of Patent: September 26, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Yuling Xu, Dafei Mo
  • Publication number: 20230062101
    Abstract: 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: Application
    Filed: March 7, 2022
    Publication date: March 2, 2023
    Inventors: Yuling XU, Dafei MO
  • Patent number: 11121460
    Abstract: 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: Grant
    Filed: December 26, 2019
    Date of Patent: September 14, 2021
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Dafei Mo, Xiaoren Cheng, Xiaozhun Shen
  • Patent number: 10944160
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: March 9, 2021
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Wenlei Wang, Dafei Mo, Weimin Bao
  • Patent number: 10879581
    Abstract: 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: Grant
    Filed: March 30, 2018
    Date of Patent: December 29, 2020
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Wenlei Wang, Zhaowei Hu, Xiaozhun Shen, Dafei Mo
  • Publication number: 20200212560
    Abstract: 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: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Inventors: Dafei MO, Xiaoren CHENG, Xiaozhun SHEN
  • Publication number: 20190393592
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: December 26, 2019
    Inventors: Wenlei WANG, Dafei MO, Weimin BAO
  • Publication number: 20190006747
    Abstract: 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: Application
    Filed: March 30, 2018
    Publication date: January 3, 2019
    Inventors: Wenlei WANG, Zhaowei HU, Xiaozhun SHEN, Dafei MO
  • Patent number: 9419328
    Abstract: 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: Grant
    Filed: July 6, 2015
    Date of Patent: August 16, 2016
    Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.
    Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
  • Patent number: 9231294
    Abstract: 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: Grant
    Filed: March 18, 2013
    Date of Patent: January 5, 2016
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Kai Lu, Zhaowei Hu, Dafei Mo, Chunmei Ye
  • Patent number: 9229490
    Abstract: 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: Grant
    Filed: September 27, 2012
    Date of Patent: January 5, 2016
    Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.
    Inventors: Dafei Mo, Zhaowei Hu, Chunmei Ye, Xiongbing Gong
  • Patent number: 9178271
    Abstract: 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: Grant
    Filed: September 27, 2011
    Date of Patent: November 3, 2015
    Assignees: Lenovo (Beijing) Limited, Beijing Lenovo Software Ltd.
    Inventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang
  • Publication number: 20150311581
    Abstract: 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: Application
    Filed: July 6, 2015
    Publication date: October 29, 2015
    Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) CO., LTD.
    Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
  • Patent number: 9112271
    Abstract: 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: Grant
    Filed: October 9, 2012
    Date of Patent: August 18, 2015
    Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.
    Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
  • Publication number: 20130252662
    Abstract: 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: Application
    Filed: March 18, 2013
    Publication date: September 26, 2013
    Applicant: LENOVO (BEIJING) CO., LTD.
    Inventors: Kai LU, Zhaowei HU, Dafei MO, Chunmei YE
  • Publication number: 20130176181
    Abstract: 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: Application
    Filed: September 27, 2011
    Publication date: July 11, 2013
    Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITED
    Inventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang