Patents by Inventor Kiburm Ahn

Kiburm Ahn 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).

  • Coupled line filter and arraying method thereof
    Patent number: 8314667
    Abstract: A coupled line filter includes: a first line resonator connected input port and a second line resonator connected with output port each having an electrical length of 270° at a predetermined center frequency, the first and second line resonators being disposed parallel to each other; and a third line resonator including one or more line resonators disposed between the first line resonator and the second line resonator, each line resonator having an electrical length of 90° at the center frequency and a first side aligned with first sides of the first line resonator and the second line resonator, wherein an order of the coupled line filter is determined by summing the number of the line resonators included in the third line resonator and the first and second line resonators.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 20, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Man-Seok Uhm, Youn-Sub Noh, Changsoo Kwak, So-Hyeun Yun, Kiburm Ahn, In-Bok Yom
  • COUPLED LINE FILTER AND ARRAYING METHOD THEREOF
    Publication number: 20100141356
    Abstract: A coupled line filter includes: a first line resonator connected input port and a second line resonator connected with output port each having an electrical length of 270° at a predetermined center frequency, the first and second line resonators being disposed parallel to each other; and a third line resonator including one or more line resonators disposed between the first line resonator and the second line resonator, each line resonator having an electrical length of 90° at the center frequency and a first side aligned with first sides of the first line resonator and the second line resonator, wherein an order of the coupled line filter is determined by summing the number of the line resonators included in the third line resonator and the first and second line resonators.
    Type: Application
    Filed: October 28, 2009
    Publication date: June 10, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Man-Seok Uhm, Youn-Sub Noh, Changsoo Kwak, So-Hyeun Yun, Kiburm Ahn, In-Bok Yom