Patents by Inventor David A. Menzimer

David A. Menzimer 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).

  • Video image recording methods and devices
    Patent number: 4433345
    Abstract: Video image recording device for photographically recording video images selected from video input signals on sheets of film, provided with means for reducing or completely eliminating recorded image drift. Recorded image parameter controls are provided which are calibrated in terms of Dunn Density Index numbers, which are related to the densities of the recorded video images. Image polarity inversion control means are provided for the recorded image and for each individual video input signal channel.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: February 21, 1984
    Assignee: LogE/Dunn Instruments, Inc.
    Inventors: David H. Haddick, George E. Lyon, David A. Menzimer