Patents by Inventor Sanggeun JEON

Sanggeun JEON 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).

  • Compact digital attenuator
    Patent number: 11705889
    Abstract: Provided is a compact digital attenuator. The compact digital attenuator includes a first attenuation cell to an nth attenuation cell, which include a plurality of attenuation cells connected to each other in parallel through a transmission line, wherein each of the plurality of attenuation cells may include a plurality of switch elements connected to each other in parallel, wherein the plurality of switch elements may be connected to the transmission line through one contact point.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: July 18, 2023
    Assignee: Korea University Research and Business Foundation
    Inventors: Sanggeun Jeon, Kwangwon Park, Seung Jong Lee
  • Power amplification apparatus
    Patent number: 11533022
    Abstract: In accordance with an aspect of the present disclosure, there is provided a power amplification apparatus, the apparatus comprising: an input part; a first-1 transformer and a first-2 transformer connected to the input part in parallel; a first amplifier and a second amplifier connected to the first-1 transformer and the first-2 transformer, respectively; a first switch connected to one side of the first-2 transformer; a second-1 transformer and a second-2 transformer connected to the first amplifier and the second amplifier, respectively, and connected to an output part in parallel; and a second switch connected to one side of the second-2 transformer.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: December 20, 2022
    Assignee: Agency for Defense Development
    Inventors: Taehoon Kim, Jaedon Park, Jungho Joe, Youngsin Kim, Jongsung Park, Inwoong Kang, Sanggeun Jeon, Seungwon Park
  • COMPACT DIGITAL ATTENUATOR
    Publication number: 20220131531
    Abstract: Provided is a compact digital attenuator. The compact digital attenuator includes a first attenuation cell to an nth attenuation cell, which include a plurality of attenuation cells connected to each other in parallel through a transmission line, wherein each of the plurality of attenuation cells may include a plurality of switch elements connected to each other in parallel, wherein the plurality of switch elements may be connected to the transmission line through one contact point.
    Type: Application
    Filed: January 22, 2021
    Publication date: April 28, 2022
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Sanggeun JEON, Kwang-won PARK, Seung Jong LEE
  • POWER AMPLIFICATION APPARATUS
    Publication number: 20210167736
    Abstract: In accordance with an aspect of the present disclosure, there is provided a power amplification apparatus, the apparatus comprising: an input part; a first-1 transformer and a first-2 transformer connected to the input part in parallel; a first amplifier and a second amplifier connected to the first-1 transformer and the first-2 transformer, respectively; a first switch connected to one side of the first-2 transformer; a second-1 transformer and a second-2 transformer connected to the first amplifier and the second amplifier, respectively, and connected to an output part in parallel; and a second switch connected to one side of the second-2 transformer.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 3, 2021
    Inventors: Taehoon Kim, Jaedon Park, Jungho Joe, Youngsin Kim, Jongsung Park, Inwoong Kang, Sanggeun Jeon, Seungwon Park
  • Multi-band SPNT switch using variable L/4 transmission lines, and switch matrix and transmitter and receiver system including the SPNT switch
    Patent number: 10854944
    Abstract: Provided is a Single Pole N Throw (SPNT) switch including: a transmission line unit including a plurality of transmission lines each connected between a plurality of selection terminals and a single common terminal; and a SPST switch unit including a plurality of SPST switches for grounding each of the plurality of transmission lines, wherein the SPST switches allows at least a part of the plurality of transmission lines and other transmission lines to operate as open nodes at the common terminal for different frequencies.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 1, 2020
    Assignee: Korea University Research and Business Foundation
    Inventors: Sanggeun Jeon, Younghwan Kim
  • MULTI-BAND SPNT SWITCH USING VARIABLE L/4 TRANSMISSION LINES, AND SWITCH MATRIX AND TRANSMITTER AND RECEIVER SYSTEM INCLUDING THE SPNT SWITCH
    Publication number: 20190074566
    Abstract: Provided is a Single Pole N Throw (SPNT) switch including: a transmission line unit including a plurality of transmission lines each connected between a plurality of selection terminals and a single common terminal; and a SPST switch unit including a plurality of SPST switches for grounding each of the plurality of transmission lines, wherein the SPST switches allows at least a part of the plurality of transmission lines and other transmission lines to operate as open nodes at the common terminal for different frequencies.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 7, 2019
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Sanggeun JEON, Younghwan KIM