Patents Represented by Attorney Hay K. Chang

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  • Infrared image projector utilizing a deformable mirror device spatial light modulator
    Patent number: 5319214
    Abstract: The mirror elements mirror device spatial light modulator are selectively deflected. Such deflection causes incident infrared radiation to be reflected in selected directions. The number of deflected mirror elements as well as the degree of deflection determines the amount of reflected radiation which travels through an aperture and is collimated by suitable imaging optics, thus creating an infrared image that appears to be at infinity.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: June 7, 1994
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Don A. Gregory, David J. Lanteigne, Joseph J. Booth, Scottie B. Mobley