Patents Assigned to ACTENNA CO., LTD.
  • STRUCTURE OF A SQUARE QUADRIFILAR HELICAL ANTENNA
    Publication number: 20100177014
    Abstract: Disclosed herein is the structure of a Square Quadrifilar Helical antenna (S-QHA). The structure of the S-QHA includes a square column, four radiation elements, and a feed network. The four radiation elements are formed on the square column. The feed network is disposed at the top or bottom of the square column, and feeds signals to the radiation elements at a phase difference of 90 degrees in a clockwise or counterclockwise direction. As a result, the S-QHA according to the present invention can receive circularly polarized signals.
    Type: Application
    Filed: March 12, 2008
    Publication date: July 15, 2010
    Applicant: ACTENNA CO., LTD.
    Inventors: Sang Bo Min, Jong Won Yu, Moon Que Lee