Patents by Inventor Jung-Ru Yu

Jung-Ru Yu 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).

  • Close-up photograph device
    Patent number: 8139934
    Abstract: A photograph device is provided. The photograph device includes a body, a lens device mounted on the body, and an illuminating device mounted on the body and surrounding the lens device.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: March 20, 2012
    Assignee: Instrument Technology Research Center
    Inventors: Kuo-Cheng Huang, Feng-Chang Hsu, Chien-Shing Lee, Tai-Shan Liao, Fong-Zhi Chen, Jung-Ru Yu
  • Lens measuring method and device for determining decenter and tilt of the lens
    Patent number: 7535557
    Abstract: A device for measuring a lens, comprising a first interferometer having a first optical axis and carried on a first adjustment base, a lens holder for holding the lens having a first surface having a first lens optical axis and a second surface having a second lens optical axis, and a platen having a sliding rail and carrying the first adjustment base and the lens holder thereon, wherein the lens holder is movable on the sliding rail, wherein each of the first adjustment base and the lens holder has a tetra-axis adjustment mechanism through which a relative positional relationship of the first optical axis of the first interferometer and the first lens optical axis of the first surface of the lens is adjustable.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: May 19, 2009
    Assignee: Instrument Technology Research Center
    Inventors: Wen-Hong Wu, Kuo-Cheng Huang, Chien-Shing Lee, Jung-Ru Yu
  • Lens measuring method and device for determining decenter and tilt of the lens
    Publication number: 20070201037
    Abstract: A device for measuring a lens, comprising a first interferometer having a first optical axis and carried on a first adjustment base, a lens holder for holding the lens having a first surface having a first lens optical axis and a second surface having a second lens optical axis, and a platen having a sliding rail and carrying the first adjustment base and the lens holder thereon, wherein the lens holder is movable on the sliding rail, wherein each of the first adjustment base and the lens holder has a tetra-axis adjustment mechanism through which a relative positional relationship of the first optical axis of the first interferometer and the first lens optical axis of the first surface of the lens is adjustable.
    Type: Application
    Filed: August 31, 2006
    Publication date: August 30, 2007
    Applicant: Instrument Technology Research Center
    Inventors: Wen Wu, Kuo-Cheng Huang, Chien-Shing Lee, Jung-Ru Yu
  • Close-up photograph device
    Publication number: 20070047947
    Abstract: A photograph device is provided. The photograph device includes a body, a lens device mounted on the body, and an illuminating device mounted on the body and surrounding the lens device.
    Type: Application
    Filed: August 22, 2006
    Publication date: March 1, 2007
    Applicant: Instrument Technology Research Center
    Inventors: Kuo-Cheng Huang, Feng-Chang Hsu, Chien-Shing Lee, Tai-Shan Liao, Fong-Zhi Chen, Jung-Ru Yu
  • Polishing apparatus and method
    Publication number: 20060205327
    Abstract: The present invention provides a polishing apparatus and a polishing method, which are particular for the non-spherical lens. The polishing apparatus includes a base for carrying an object; and a polishing head, wherein the polishing head has a polishing layer made of a resin, a diamond and a graphite for polishing the object; a buffer layer connected to the polishing layer for the polishing head to tilt and shift; and a shaft connected to the buffer layer.
    Type: Application
    Filed: March 7, 2006
    Publication date: September 14, 2006
    Inventors: Kuo-Cheng Huang, Jung-Ru Yu, Ching-Hsiang Kuo