Patents by Inventor Xiaofeng Xiong

Xiaofeng Xiong 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: 20170288297
    Abstract: An antenna is provided to be applied in a mobile terminal having a metal body. The antenna includes: a feed point; a first ground point; and a metal dome connected with the feed point. A metal frame is extended from an upper side of the metal body. The metal frame is provided with a slit. The metal dome is fixedly connected with the metal frame at an end near the slit. The feed point is disposed on the metal body and under the metal dome. The first ground point is disposed on the metal body and connected with the metal frame.
    Type: Application
    Filed: November 9, 2016
    Publication date: October 5, 2017
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Linchuan WANG, Zonglin XUE, Xiaofeng XIONG
  • Publication number: 20170279184
    Abstract: A WIFI & GPS antenna applied to a mobile terminal with a metallic body. The metallic body includes a metallic body part and a receiving zone located above the metallic body part. The WIFI & GPS antenna includes a feeding point and a ground point each disposed on the metallic body part, and a capacitive tuning component connected to a top edge of the receiving zone, and connected to the feeding point in series. The receiving zone includes a component zone and an antenna zone. The feeding point, the ground point, and the capacitive tuning component are disposed in the antenna zone. A part of the top edge of the receiving zone operates as a radiator for the WIFI & GPS antenna.
    Type: Application
    Filed: January 23, 2017
    Publication date: September 28, 2017
    Inventors: Linchuan WANG, Zonglin XUE, Xiaofeng XIONG
  • Publication number: 20170271749
    Abstract: A diversity antenna applied in a mobile terminal and a mobile terminal are provided. The mobile terminal includes a metal housing and the metal housing includes a housing body and a receiving region located over the housing body, and the receiving region is a frame structure in which a side is provided with a slit. The diversity antenna includes a feed point, a first ground point and a second ground point, and the feed point, the first ground point and the second ground point are all arranged on the housing body, and a distance between the feed point and the slit is 3 mm to 15 mm. The diversity antenna further includes a capacitive element connected to the frame structure and arranged in series with the feed point, and a switch arranged in series with the first ground point.
    Type: Application
    Filed: November 10, 2016
    Publication date: September 21, 2017
    Inventors: Linchuan WANG, Zonglin XUE, Xiaofeng XIONG
  • Publication number: 20170272557
    Abstract: An antenna and a mobile terminal are provided. The antenna may include a radiation unit and at least one parasitic unit. The radiation unit includes a first radiation sub-unit and a second radiation sub-unit. A first terminal of the first radiation sub-unit is connected to a bottom edge of a rear cover of the mobile terminal. A second terminal of the first radiation sub-unit is provided with a feed point, a first terminal of the second radiation sub-unit is connected to the bottom edge. A second terminal of the second radiation sub-unit is provided with a ground point. A distance from the feed point to the ground point is greater than zero and less than a preset value. The at least one parasitic unit is coupleable with the radiation unit via the feed point.
    Type: Application
    Filed: January 20, 2017
    Publication date: September 21, 2017
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Zonglin XUE, Linchuan WANG, Xiaofeng XIONG
  • Publication number: 20170264004
    Abstract: A back cover includes: a back cover body, an antenna structure, a first hand-held part, and a second hand-held part arranged apart from the first hand-held part. The antenna structure includes a first part whose first side is separated from one end of the back cover body by a first slit, a second part separated from a second side of the first part by a second slit, and a third part for connecting the first and second parts. The first hand-held part extends to the second part from the back cover body and separated from a third side of the first part by a third slit. The second hand-held part extends to the second part from the back cover body and separated from a fourth side of the first part by a fourth slit, where the back cover body and the antenna structure are made of a metal material.
    Type: Application
    Filed: March 9, 2017
    Publication date: September 14, 2017
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Xiaofeng XIONG, Linchuan WANG, Zonglin XUE
  • Publication number: 20170222304
    Abstract: An antenna for use in a mobile terminal includes a first radiation unit including a feed portion for inputting energy, the feed portion being provided at one end of the first radiation unit, and at least one coupling branch. The first radiation unit and the at least one coupling branch form a coupled feeding structure between each other. A first end portion of the at least one coupling branch is connected to a metal frame of the mobile terminal. The at least one coupling branch is disposed around the first radiation unit. The at least one coupling branch and the first radiation unit are not in contact with each other. The at least one coupling branch has an opening.
    Type: Application
    Filed: January 17, 2017
    Publication date: August 3, 2017
    Inventors: Zonglin XUE, Linchuan WANG, Xiaofeng XIONG
  • Publication number: 20170185053
    Abstract: A smart watch is provided. The smart watch includes: a dial having two ends; a first watchband; a second watchband, the first watchband and the second watchband being connected to the two ends of the dial, respectively; an RF (Radio Frequency) transceiver circuit built in the dial; a feeder arranged on a surface of the first watchband or arranged inside the first watchband; and a conductive connecting member connected to an end of the first watchband and having a non-closed structure, wherein the conductive connecting member is operable as an antenna to connect with the RF transceiver circuit via the feeder and as a first watchband connector to connect the first watchband and the second watchband.
    Type: Application
    Filed: December 14, 2016
    Publication date: June 29, 2017
    Inventors: Xiaofeng XIONG, Zonglin XUE, Linchuan WANG
  • Publication number: 20170163323
    Abstract: A terminal having a communication function includes: a first multiband antenna; a second multiband antenna; a radio frequency transceiver including a primary carrier wave port and a secondary carrier wave port; and a switching control circuit electrically connected with the primary carrier wave port, the secondary carrier wave port, the first multiband antenna, and the second multiband antenna. The switching control circuit is configured to connect the primary carrier wave port with the first multiband antenna and connect the secondary carrier wave port with the second multiband antenna if signal quality of the first multiband antenna meets a preset quality condition, and connect the primary carrier wave port with the second multiband antenna and connect the secondary carrier wave port with the first multiband antenna if the signal quality of the first multiband antenna does not meet the preset quality condition.
    Type: Application
    Filed: December 6, 2016
    Publication date: June 8, 2017
    Inventors: Xiaofeng XIONG, Zonglin XUE, Linchuan WANG
  • Publication number: 20170162933
    Abstract: A terminal casing and a terminal are provided. A bottom frame is divided into a horizontal part and two perpendicular parts by two gaps in the bottom frame of a metal frame; and a first feeder unit and a second feeder unit are arranged in a clearance area, the first feeder unit and the horizontal part of the bottom frame form a first antenna unit, and the second feeder unit and any perpendicular part form a second antenna unit orthogonal to the first antenna unit.
    Type: Application
    Filed: December 5, 2016
    Publication date: June 8, 2017
    Applicant: XIAOMI INC.
    Inventors: Xiaofeng XIONG, Zonglin XUE, Linchuan WANG
  • Publication number: 20160233574
    Abstract: An antenna module is provided. The antenna module includes: a first antenna electrically connected to a first section of a metal frame of a mobile terminal, the first antenna comprising a first feed point and a first ground point; and a second antenna electrically connected to a second section of the metal frame of the mobile terminal, the second antenna comprising a second feed point and a second ground point, wherein a slot is formed between the second section of the metal frame and the first section of the metal frame, and the second section of the metal frame is electrically connected to aground point of the mobile terminal via a first contact point.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 11, 2016
    Inventors: Xiaofeng XIONG, Linchuan WANG, Zonglin XUE
  • Publication number: 20040191763
    Abstract: Applicants have identified 5 mutants associated with hepatitis B virus resistance to adefovir, a nucleotide analogue antiviral drug widely employed in the therapy of hepatitis B. In accord with this invention, reverse transcriptase mutants rtN236T, rtA181V, rtA181T and their corresponding surface antigen mutants sL173F and sL172trunc are provided. The mutant proteins, antibodies thereto and nucleic acids encoding the mutants have diagnostic value in monitoring and adjusting patient therapy with adefovir and in the therapy of patients infected with the mutants.
    Type: Application
    Filed: October 1, 2003
    Publication date: September 30, 2004
    Applicant: GILEAD SCIENCES, INC.
    Inventors: William E. Delaney, Xiaofeng Xiong
  • Publication number: 20040194155
    Abstract: Applicants have identified 5 mutants associated with hepatitis B virus resistance to adefovir, a nucleotide analogue antiviral drug widely employed in the therapy of hepatitis B. In accord with this invention, reverse transcriptase mutants rtN236T, rtA181V, rtA181T and their corresponding surface antigen mutants sL173F and sL172trunc are provided. The mutant proteins, antibodies thereto and nucleic acids encoding the mutants have diagnostic value in monitoring and adjusting patient therapy with adefovir and in the therapy of patients infected with the mutants.
    Type: Application
    Filed: October 1, 2003
    Publication date: September 30, 2004
    Applicant: GILEAD SCIENCES, INC.
    Inventors: William E. Delaney, Xiaofeng Xiong