Patents by Inventor Tetsuzi Kodama

Tetsuzi Kodama 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).

  • Area measuring apparatus using television
    Patent number: 4646354
    Abstract: An area measuring apparatus for measuring the surface area of an object by the use of a TV camera. The apparatus comprises a comparator which separates a component corresponding to the image of the object from the image signal obtained with the TV camera; a gate circuit which allows a clock signal to pass only while the image component is detected; and an arithmetic circuit which counts the pulses of the clock signal allowed to pass the gate circuit and corresponding to a single frame of the image signal and converts the pulse counts into an area.
    Type: Grant
    Filed: October 25, 1984
    Date of Patent: February 24, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Akira Naito, Tetsuzi Kodama, Hideki Tsuruse, Hironobu Tsutsumi, Hiroshi Ushio