Patents by Inventor Qiaofeng Zhang

Qiaofeng Zhang 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).

  • Patent number: 12289511
    Abstract: An electronic device, a photographing method, and a photographing apparatus are provided. The electronic device includes a camera, a main body portion, a connecting rod, and a driving apparatus; a rear face of the camera is provided with a first arc-shaped surface that protrudes in a direction away from the camera, the main body portion is provided with a second arc-shaped surface that matches and is slidably connected to the first arc-shaped surface, and the second arc-shaped surface is provided with a through hole; the connecting rod penetrates through the through hole, and a first end of the connecting rod is hinged to the first arc-shaped surface of the camera; and the driving apparatus is connected to a second end of the connecting rod, and is used to drive the connecting rod to drive the first arc-shaped surface to slide relative to the second arc-shaped surface.
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: April 29, 2025
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Qiaofeng Zhang
  • Publication number: 20240214659
    Abstract: An electronic device, a photographing method, and a photographing apparatus are provided. The electronic device includes a camera, a main body portion, a connecting rod, and a driving apparatus; a rear face of the camera is provided with a first arc-shaped surface that protrudes in a direction away from the camera, the main body portion is provided with a second arc-shaped surface that matches and is slidably connected to the first arc-shaped surface, and the second arc-shaped surface is provided with a through hole; the connecting rod penetrates through the through hole, and a first end of the connecting rod is hinged to the first arc-shaped surface of the camera; and the driving apparatus is connected to a second end of the connecting rod, and is used to drive the connecting rod to drive the first arc-shaped surface to slide relative to the second arc-shaped surface.
    Type: Application
    Filed: January 3, 2024
    Publication date: June 27, 2024
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Qiaofeng ZHANG
  • Patent number: 11902645
    Abstract: An electronic device, a photographing method, and a photographing apparatus are provided. The electronic device includes a camera, a main body portion, a connecting rod, and a driving apparatus; a rear face of the camera is provided with a first arc-shaped surface that protrudes in a direction away from the camera, the main body portion is provided with a second arc-shaped surface that matches and is slidably connected to the first arc-shaped surface, and the second arc-shaped surface is provided with a through hole; the connecting rod penetrates through the through hole, and a first end of the connecting rod is hinged to the first arc-shaped surface of the camera; and the driving apparatus is connected to a second end of the connecting rod, and is used to drive the connecting rod to drive the first arc-shaped surface to slide relative to the second arc-shaped surface.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: February 13, 2024
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Qiaofeng Zhang
  • Publication number: 20220345596
    Abstract: An electronic device, a photographing method, and a photographing apparatus are provided. The electronic device includes a camera, a main body portion, a connecting rod, and a driving apparatus; a rear face of the camera is provided with a first arc-shaped surface that protrudes in a direction away from the camera, the main body portion is provided with a second arc-shaped surface that matches and is slidably connected to the first arc-shaped surface, and the second arc-shaped surface is provided with a through hole; the connecting rod penetrates through the through hole, and a first end of the connecting rod is hinged to the first arc-shaped surface of the camera; and the driving apparatus is connected to a second end of the connecting rod, and is used to drive the connecting rod to drive the first arc-shaped surface to slide relative to the second arc-shaped surface.
    Type: Application
    Filed: July 6, 2022
    Publication date: October 27, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Qiaofeng ZHANG
  • Patent number: 7723449
    Abstract: The present invention relates to a catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same. The catalyst comprises magnesium halide, titanium-containing compound, and an organic phosphate type electron donor compound. By the catalyst according to the present invention, a propylene polymer with a wide molecular weight distribution, easily controllable isotacticity and good processing properties can be synthesized.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: May 25, 2010
    Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    Inventors: Chunyu Zhang, Hongguang Cai, Bin Chen, Yuping Yuan, Qiaofeng Zhang, Weimin Dong, Xuequan Zhang
  • Publication number: 20090023881
    Abstract: The present invention relates to a catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same. The catalyst comprises magnesium halide, titanium-containing compound, and an organic phosphate type electron donor compound. By the catalyst according to the present invention, a propylene polymer with a wide molecular weight distribution, easily controllable isotacticity and good processing properties can be synthesized.
    Type: Application
    Filed: July 3, 2008
    Publication date: January 22, 2009
    Inventors: Chunyu Zhang, Hongguang Cai, Bin Chen, Yuping Yuan, Qiaofeng Zhang, Weimin Dong, Xuequan Zhang