Patents by Inventor Yefeng Zhou

Yefeng Zhou 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 acquiring equally blurred intermediate images
    Patent number: 8390932
    Abstract: A device for acquiring equally blurred intermediate image to realize Extension of DOF imaging is characterized in that: the lens of said device produces space-invariant and approximately equal psf output in the designed range of the depth-of-field; the lens realizing space-invariant transfer characteristic is a multi-focal points lens with ray compensation; the angle of the ray guided by the multi-focal point changes in response to the object distance, but the corresponding position and energy distribution of the light spot on the image surface remain constant substantially.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: March 5, 2013
    Assignee: Typonteq Company
    Inventors: Wei Jia, Yefeng Zhou
  • DEVICE FOR ACQUIRING EQUALLY BLURRED INTERMEDIATE IMAGES
    Publication number: 20120063008
    Abstract: A device for acquiring equally blurred intermediate image to realize Extension of DOF imaging is characterized in that: the lens of said device produces space-invariant and approximately equal psf output in the designed range of the depth-of-field; the lens realizing space-invariant transfer characteristic is a multi-focal points lens with ray compensation; the angle of the ray guided by the multi-focal point changes in response to the object distance, but the corresponding position and energy distribution of the light spot on the image surface remain constant substantially.
    Type: Application
    Filed: February 11, 2011
    Publication date: March 15, 2012
    Applicant: TYPONTEQ COMPANY
    Inventors: Wei JIA, Yefeng Zhou