Patents by Inventor Michiel Kassies

Michiel Kassies 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 of, and apparatus for, detecting an object
    Patent number: 5302819
    Abstract: A method of detecting an object, comprising the steps of generating radiation by means of a source of radiation; emitting the radiation in the direction of the object; and detecting a first radiation component at a first angle of deflection of substantially 180.degree.; measuring a second component of the reflected radiation at a second angle of deflection and performing a first differential measurement between a first intensity signal representing the first radiation component and a second intensity signal representing the second radiation component. Also an apparatus for carrying out the method is described.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: April 12, 1994
    Inventor: Michiel Kassies
  • Real image projection device
    Patent number: 4509837
    Abstract: An optical display device for creating the of an object out in space in front of the viewer. The device uses an illuminated object, with a transparent medium in the form of a prism or fluid placed between a beam splitter and a matrix of retroreflectors for deflecting the light rays from the illuminated object back toward the object.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: April 9, 1985
    Inventor: Michiel Kassies