Patents by Inventor Hengyi Duan

Hengyi Duan 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).

  • Reconfigurable mobile phone bulit-in antenna and implementation method thereof
    Patent number: 9007274
    Abstract: A reconfigurable mobile phone built-in antenna and its implementation method are disclosed. The antenna comprises an antenna main structure, an additional ground area, a ground area printed on one surface of a printed board, an electronic switch and an antenna feeding point and a grounding point printed on the other surface of the printed board, the antenna main structure comprises a wiring structure of the antenna, a feeding spring piece in contact with the antenna feeding point and a grounding spring piece in contact with the grounding point, and the additional ground area is positioned under the wiring structure; the electronic switch is used for disconnecting the additional ground area with the ground area on one surface of the printed board when the antenna works at low-frequency frequency band and connecting the additional ground area with the ground area on when the antenna works at high-frequency frequency band.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: April 14, 2015
    Assignee: Huawei Device Co., Ltd.
    Inventors: Yongling Ban, Peihua Shua, Ping Lei, Hengyi Duan
  • RECONFIGURABLE MOBILE PHONE BULIT-IN ANTENNA AND IMPLEMENTATION METHOD THEREOF
    Publication number: 20120256804
    Abstract: A reconfigurable mobile phone built-in antenna and its implementation method are disclosed. The antenna comprises an antenna main structure, an additional ground area, a ground area printed on one surface of a printed board, an electronic switch and an antenna feeding point and a grounding point printed on the other surface of the printed board, the antenna main structure comprises a wiring structure of the antenna, a feeding spring piece in contact with the antenna feeding point and a grounding spring piece in contact with the grounding point, and the additional ground area is positioned under the wiring structure; the electronic switch is used for disconnecting the additional ground area with the ground area on one surface of the printed board when the antenna works at low-frequency frequency band and connecting the additional ground area with the ground area on when the antenna works at high-frequency frequency band.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 11, 2012
    Applicant: Huawei Device Co., Ltd.
    Inventors: Yongling Ban, Peihua Shuai, Ping Lei, Hengyi Duan