Patents by Inventor Zhao-Huai Tang

Zhao-Huai Tang 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).

  • Lens module
    Patent number: 7990629
    Abstract: A lens module includes a base to be fixed, a second elastic sheet fixed in the base, a lens sleeve sliding according to the base, a limiting member installed on the lens sleeve, a first elastic sheet, and an upper cover. The lens module includes a covering board with a central hole installed between the second elastic sheet and the lens sleeve. The diameter of the central hole is greater than the outer diameter of the lens sleeve. The covering board is connected to the base to fix the second elastic sheet on the base. Because the covering board to connect to the base, the second elastic sheet can be fixed on the base for decreasing time-consumption, reliable fixation, and decreasing the rate which the second elastic sheet rotates and is deformed.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: August 2, 2011
    Assignee: Asia Optical Co., Inc.
    Inventor: Zhao-Huai Tang
  • LENS MODULE
    Publication number: 20090141373
    Abstract: A lens module includes a base to be fixed, a second elastic sheet fixed in the base, a lens sleeve sliding according to the base, a limiting member installed on the lens sleeve, a first elastic sheet, and an upper cover. The lens module includes a covering board with a central hole installed between the second elastic sheet and the lens sleeve. The diameter of the central hole is greater than the outer diameter of the lens sleeve. The covering board is connected to the base to fix the second elastic sheet on the base. Because the covering board to connect to the base, the second elastic sheet can be fixed on the base for decreasing time-consumption, reliable fixation, and decreasing the rate which the second elastic sheet rotates and is deformed.
    Type: Application
    Filed: November 25, 2008
    Publication date: June 4, 2009
    Applicant: ASIA OPTICAL CO., INC.
    Inventor: Zhao-Huai TANG