Patents by Inventor Eric WIEGMANN

Eric WIEGMANN 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).

  • Vision measurement device and method of measuring vision using the same
    Patent number: 11389057
    Abstract: A vision measurement device includes an eyepiece with a lens; an outer tube connected to the eyepiece including a target having a predetermined pattern, the target being movable along an optical axis of the lens with respect to the outer tube; a diopter indicator with an indicating portion and a pointing portion; where during the movement of the target with respect to the outer tube along the optical axis of the lens, one of the indicator portion and the pointing portion moves along with the target with respect to the outer tube while the other of the indicator portion and the pointing portion does not move, and when an eye is capable of clearly seeing the predetermined pattern on the target through the eyepiece, the value of the scale indicated by the pointing portion corresponds to the diopter of the eye.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 19, 2022
    Assignee: Essilor International
    Inventors: Ross Brinkman, Paul Hatch, Patricia Howes, Eric Wiegmann, Andreas Bell
  • VISION MEASUREMENT DEVICE AND METHOD OF MEASURING VISION USING THE SAME
    Publication number: 20210076929
    Abstract: Disclosed is a vision measurement device including: an eyepiece with a lens; an outer tube connected to the eyepiece including a target having a predetermined pattern, the target being movable along an optical axis of the lens with respect to the outer tube; a diopter indicator with an indicating portion and a pointing portion; wherein during the movement of the target with respect to the outer tube along the optical axis of the lens, one of the indicator portion and the pointing portion moves along with the target with respect to the outer tube while the other of the indicator portion and the pointing portion does not move, and when an eye is capable of clearly seeing the predetermined pattern on the target through the eyepiece, the value of the scale indicated by the pointing portion corresponds to the diopter of the eye.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 18, 2021
    Inventors: Ross BRINKMAN, Paul HATCH, Patricia HOWES, Eric WIEGMANN, Andreas BELL