Patents by Inventor Carl Lawrence Holden

Carl Lawrence Holden 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).

  • Infrared illumination system for digital camera
    Patent number: 5701015
    Abstract: An infrared illumination system for a digital camera having a taking lens, includes: a plurality of infrared emitting diodes arranged around the taking lens, each diode being contained in a can having an infrared transparent window; a first diffuser located over the windows of the cans; and a second diffuser spaced apart from the first diffusers. The first diffuser is a new type of diffuser called a Fourier transform holographic diffuser.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: December 23, 1997
    Assignee: Eastman Kodak Company
    Inventors: Arnold Lungershausen, Carl Lawrence Holden