Patents by Inventor Kozo Nakamizo

Kozo Nakamizo 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).

  • Ditube type color television camera and its application to an apparatus for converting a color film picture image into a video signal
    Patent number: 3934265
    Abstract: A ditube type color television camera comprises a striped filter arranged near an object to be reproduced and including a striped filter element for screening blue or red color light only and a striped filter element for passing all visible lights, both the striped filter elements being arranged alternately side by side and assembled into one integral body such that the horizontal scanning direction of a chrominance signal detecting camera tube is perpendicular to the lengthwise direction of both the respective striped filter elements, and a dichroic mirror arranged between a brightness signal detecting camera tube and the chrominance signal detecting tube and adapted to separate the incident light into a green color light and red and blue color lights. The green light is accepted by the brightness signal detecting camera tube and the red and blue color lights are accepted by the chrominance signal detecting camera tube to obtain a brightness signal and a chrominance signal, respectively.
    Type: Grant
    Filed: August 29, 1973
    Date of Patent: January 20, 1976
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Syunpei Tanaka, Kozo Nakamizo, Akira Tamagawa