Patents by Inventor Bai-Chuan Jiang

Bai-Chuan Jiang 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).

  • DOUBLE PASS DEVICE FOR RETINAL IMAGE QUALITY MEASUREMENT
    Publication number: 20120262672
    Abstract: An optical system for measuring retinal-image quality has a light system constructed and arranged to provide light to be directed onto a retina of a subject's eye, a detection system arranged to receive at least a portion of the light after being reflected or scattered back from the retina of the subject's eye, and an afocal optical system arranged in an optical path of the light between the light system and the detection system. The afocal optical system is constructed and arranged to correct a refractive error of the subject's eye.
    Type: Application
    Filed: November 23, 2010
    Publication date: October 18, 2012
    Applicant: NOVA SOUTHEASTERN UNIVERSITY
    Inventors: Bai-Chuan Jiang, David S. Loshin
  • Eye exercising devices
    Patent number: 4838677
    Abstract: An eye exercising device is disclosed having a positioning product to position the eye along an optical axis, which defines a range of accommodation for the eye. The range of accommodation is bounded by a proximal and a distal limit. An object is movable along the optical path and a displacement device is provided to displace continuously the object along the optical path from a first location on one side of a given one of the limits to a second location on another side of the given limit opposite the first location.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: June 13, 1989
    Assignee: Ayetech Inc.
    Inventors: Michael J. Bronskill, Bai-Chuan Jiang