Patents by Inventor Se-Chang YOUN

Se-Chang YOUN 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).

  • Device for adjusting optical magnification of microscope
    Patent number: 9001421
    Abstract: The present invention relates to a device for adjusting an optical magnification of a microscope, the device including: a magnification adjuster adapted to change the optical magnification of the microscope in accordance with the relative rotation position with respect to a tube unit; a membrane potentiometer positioned on the rotating passage of the magnification adjuster to output an electrical signal corresponding to the contacted position of the magnification adjuster therewith; and a controller adapted to receive the electrical signal outputted from the membrane potentiometer to output the optical magnification corresponding to the rotated position of the magnification adjuster.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: April 7, 2015
    Assignee: Huvitz Co., Ltd.
    Inventor: Se-Chang Youn
  • DEVICE FOR ADJUSTING OPTICAL MAGNIFICATION OF MICROSCOPE
    Publication number: 20130265638
    Abstract: The present invention relates to a device for adjusting an optical magnification of a microscope, the device including: a magnification adjuster adapted to change the optical magnification of the microscope in accordance with the relative rotation position with respect to a tube unit; a membrane potentiometer positioned on the rotating passage of the magnification adjuster to output an electrical signal corresponding to the contacted position of the magnification adjuster therewith; and a controller adapted to receive the electrical signal outputted from the membrane potentiometer to output the optical magnification corresponding to the rotated position of the magnification adjuster.
    Type: Application
    Filed: November 16, 2012
    Publication date: October 10, 2013
    Applicant: HUVITZ CO., LTD.
    Inventor: Se-Chang YOUN