Patents by Inventor Mohen Khoshnevisan

Mohen Khoshnevisan 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).

  • Uniform sensitivity light curtain
    Patent number: 5539198
    Abstract: A light curtain having linearly arranged pairs of light transmitting and receiving which may be placed on opposing sides of a zone to be protected. The light curtain provides uniform sensitivity across the region to be protected as the light transmitters emit a light beam which begins as an omnidirectional point source which is truncated and refocused by an optical lense. Predetermined portions of the beam are blocked to assure uniform intensity across the width of the transmitter.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: July 23, 1996
    Assignee: Rockwell International Corporation
    Inventors: Ian McMichael, Mohen Khoshnevisan