Patents by Inventor Amitabba Gupta

Amitabba Gupta 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).

  • Method and apparatus for central visual field mapping and optimization of image presentation based upon mapped parameters
    Patent number: 5589897
    Abstract: A method and apparatus for testing individuals having a sub-optimal central field of vision so as to identify areas within the visual field in which images can be perceived and for determining effects of contrast sensitivity and distortion within such areas such that visual images may be presented, after being enhanced so as to modify the images in accordance with tested parameters, so that the individual will perceive the images in an improved manner.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: December 31, 1996
    Assignee: Stephen H. Sinclair
    Inventors: Stephen H. Sinclair, Jonathan Nissanov, Amitabba Gupta