Patents by Inventor Jae-Bum Noh

Jae-Bum Noh 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).

  • Publication number: 20070115863
    Abstract: The present invention relates to a dualduplexer having a matrix structure and a fabrication method thereof. The dualduplexer includes a dualduplexing block which uses the transmitting input unit, the receiving input unit, the transmitting output unit and the receiving output unit in common, wherein the transmitting input unit, the receiving input unit, the transmitting output unit and the receiving output unit are connected in the form of a matrix; a low noise amplifying block for performing low noise amplification on a signal outputted from an input port of the dualduplexing block; and a high power amplifying block for performing high power amplification on the signal outputted from the low noise amplifying block and transmitting the amplified signal to the dualduplexing block.
    Type: Application
    Filed: July 19, 2004
    Publication date: May 24, 2007
    Applicant: Ktfreetel Co. LTD
    Inventors: Tae-Won Seo, Young-Sang Yoon, Sang-Jun Kim, Jae-Bum Noh, Young-Seob Yoo