Patents by Inventor Motoaki Uchida

Motoaki Uchida 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).

  • Combined capacitive loaded monopole and notch array with slits for multiple resonance and impedance matching pins
    Patent number: 5402136
    Abstract: A conductive layer is formed on one surface of an insulating substrate. Notches are formed in the conductive layer to be axially symmetric at equal angular intervals of 120.degree.. A feeding line of a notch antenna is formed on the other surface of the substrate. The feeding line has a C-shape and wide portions for adjusting the phases of excitation of the notches, and receives power at its one point. A ground plate is arranged to be parallel to the substrate. A feeding rod is connected to the conductive layer. The conductive layer and the ground plate are short-circuited by impedance matching pins. The matching pins are integrally formed with the ground plate. The notches and the feeding line constitute an notch antenna, and the feeding rod, the ground plate, the conductive layer, and the matching pins constitute a capacity loaded monopole antenna. To resonate these antennae at a plurality of resonant points, slits are formed in the conductive layer to be axially symmetric at equal angular intervals of 120.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: March 28, 1995
    Assignees: Naohisa Goto, Hiroyuki Arai, NHK Spring Co., Ltd.
    Inventors: Naohisa Goto, Hiroyuki Arai, Kiyoshi Seshimo, Mitsuo Mori, Motoaki Uchida