Patents by Inventor Yun-Ju Kwon

Yun-Ju Kwon 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).

  • Patent number: 11937765
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Publication number: 20240061489
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Inventors: JIN-OOK SONG, YUN-JU KWON, DONG-SIK CHO, BYUNG-TAK LEE
  • Patent number: 11836029
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Grant
    Filed: May 30, 2022
    Date of Patent: December 5, 2023
    Inventors: Jin-Ook Song, Yun-Ju Kwon, Dong-Sik Cho, Byung-Tak Lee
  • Patent number: 11714122
    Abstract: A semiconductor device and a method of testing the same are provided. A semiconductor device includes a Design Under Test (DUT), a processing core configured to execute test software to determine an optimum operating voltage of the DUT, and a protection circuit configured to block the transmission of undefined signals generated by the DUT while the processing core executes the test software.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 1, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Woo Cho, Yun Ju Kwon, Sang Woo Kim
  • Publication number: 20220291737
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Application
    Filed: May 30, 2022
    Publication date: September 15, 2022
    Inventors: JIN-OOK SONG, YUN-JU KWON, DONG-SIK CHO, BYUNG-TAK LEE
  • Patent number: 11347292
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: May 31, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Ook Song, Yun-Ju Kwon, Dong-Sik Cho, Byung-Tak Lee
  • Publication number: 20210293876
    Abstract: A semiconductor device and a method of testing the same are provided. A semiconductor device includes a Design Under Test (DUT), a processing core configured to execute test software to determine an optimum operating voltage of the DUT, and a protection circuit configured to block the transmission of undefined signals generated by the DUT while the processing core executes the test software.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joon Woo CHO, Yun Ju KWON, Sang Woo KIM
  • Patent number: 11054462
    Abstract: A semiconductor device and a method of testing the same are provided. A semiconductor device includes a Design Under Test (DUT), a processing core configured to execute test software to determine an optimum operating voltage of the DUT, and a protection circuit configured to block the transmission of undefined signals generated by the DUT while the processing core executes the test software.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 6, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon Woo Cho, Yun Ju Kwon, Sang Woo Kim
  • Patent number: 10983551
    Abstract: In one embodiment, the integrated circuit includes a clock generator configured to selectively generate a first clock; a processor configured to perform operations; and a clock management circuit. The clock management circuit is configured to receive clock management information from the processor and selectively generate a second clock based on the clock management information and the first clock. The processor is configured to perform some operations based on the second clock.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: April 20, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-hong Park, Myung-chul Cho, Yun-ju Kwon
  • Patent number: 10769085
    Abstract: A bus system is provided. A bus system includes a slave functional block and a master functional block. The master functional block transmits a first command to the slave functional block. The slave functional block includes a first bus protector. The first bus protector receives the first command on behalf of the slave functional block and transmits a dummy signal corresponding to the first command to the master functional block in response to the slave functional block being in a state of not being able to receive the first command or not being able to transmit a response signal corresponding to the first command.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Woo Cho, Yun Ju Kwon, Sang Woo Kim, Woo-Jin Kim
  • Publication number: 20200081515
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Application
    Filed: October 31, 2019
    Publication date: March 12, 2020
    Inventors: JIN-OOK SONG, YUN-JU KWON, DONG-SIK CHO, BYUNG-TAK LEE
  • Patent number: 10587265
    Abstract: Provided are a semiconductor device and a semiconductor system. A semiconductor device includes a hardware auto clock gating (HWACG) logic configured to provide clock gating of an intellectual property (IP) block; and a memory power controller configured to perform power gating of a memory electrically connected with the IP block, based on the HWACG logic providing the clock gating for the IP block. The HWACG logic includes a first clock source configured to provide a first clock signal; a second clock source configured to receive the first clock signal provided by the first clock source, and provide a second clock signal to the IP block; a first clock control circuit configured to control the first clock source; and a second clock control circuit configured to transmit a clock request to the first clock control circuit, and control the second clock source, based on an operation state of the IP block.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoo Seok Shon, Sang Woo Kim, Byung Tak Lee, Yun Ju Kwon, Joon-Woo Cho
  • Patent number: 10481668
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Ook Song, Yun-Ju Kwon, Dong-Sik Cho, Byung-Tak Lee
  • Publication number: 20190214989
    Abstract: Provided are a semiconductor device and a semiconductor system. A semiconductor device includes a hardware auto clock gating (HWACG) logic configured to provide clock gating of an intellectual property (IP) block; and a memory power controller configured to perform power gating of a memory electrically connected with the IP block, based on the HWACG logic providing the clock gating for the IP block. The HWACG logic includes a first clock source configured to provide a first clock signal; a second clock source configured to receive the first clock signal provided by the first clock source, and provide a second clock signal to the IP block; a first clock control circuit configured to control the first clock source; and a second clock control circuit configured to transmit a clock request to the first clock control circuit, and control the second clock source, based on an operation state of the IP block.
    Type: Application
    Filed: August 21, 2018
    Publication date: July 11, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoo Seok SHON, Sang Woo KIM, Byung Tak LEE, Yun Ju KWON, Joon-Woo CHO
  • Publication number: 20190102332
    Abstract: A bus system is provided. A bus system includes a slave functional block and a master functional block. The master functional block transmits a first command to the slave functional block. The slave functional block includes a first bus protector. The first bus protector receives the first command on behalf of the slave functional block and transmits a dummy signal corresponding to the first command to the master functional block in response to the slave functional block being in a state of not being able to receive the first command or not being able to transmit a response signal corresponding to the first command.
    Type: Application
    Filed: April 2, 2018
    Publication date: April 4, 2019
    Inventors: Joon-Woo Cho, Yun Ju Kwon, Sang Woo Kim, Woo-Jin Kim
  • Publication number: 20180217202
    Abstract: A semiconductor device and a method of testing the same are provided. A semiconductor device includes a Design Under Test (DUT), a processing core configured to execute test software to determine an optimum operating voltage of the DUT, and a protection circuit configured to block the transmission of undefined signals generated by the DUT while the processing core executes the test software.
    Type: Application
    Filed: October 24, 2017
    Publication date: August 2, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joon Woo CHO, Yun Ju KWON, Sang Woo KIM
  • Publication number: 20180203498
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Application
    Filed: August 15, 2017
    Publication date: July 19, 2018
    Inventors: JIN-OOK SONG, YUN-JU KWON, DONG-SIK CHO, BYUNG-TAK LEE
  • Patent number: 9854804
    Abstract: Disclosed are a novel strain with antibacterial activity, identified as Streptomyces sp. AN1542 strain (Accession No.: KCTC 12113BP), an antibacterial composition comprising a compound represented by Chemical Formula 1 or 2, or a strain producing the same as an active ingredient, and a method for producing the same. Exhibiting potent antibacterial activity against pathogenic microbes and antibiotic-resistant microbes, particularly, MRSA, QRSA, VRSA and VRE, the compound or the strain of the present invention can be applied to the treatment of infectious diseases caused by superbacteria.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: January 2, 2018
    Assignee: KOREAN RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Won Gon Kim, Yun Ju Kwon, Mi Jin Sohn
  • Publication number: 20170038791
    Abstract: In one embodiment, the integrated circuit includes a clock generator configured to selectively generate a first clock; a processor configured to perform operations; and a clock management circuit. The clock management circuit is configured to receive clock management information from the processor and selectively generate a second clock based on the clock management information and the first clock. The processor is configured to perform some operations based on the second clock.
    Type: Application
    Filed: June 17, 2016
    Publication date: February 9, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae-Hong PARK, Myung-chul CHO, Yun-ju KWON
  • Patent number: 9172380
    Abstract: A method and an apparatus for supporting a self-destruction function in a baseband modem are provided. Aspects of the present disclosure are to address at least the above-mentioned problems and/or disadvantages and to provide at least the advantages described below. Accordingly, an aspect of the present disclosure is to provide a self-destruction method and apparatus in which a self-impossible state is autonomously entered if the baseband modem of a receiving terminal which supports mobile communication is necessary. Another aspect of the present disclosure is to provide a method and apparatus for deleting information stored in memory when a command is received over a mobile communication network in which a baseband modem has been constructed and then entering a self-impossible state so that the terminal is not recovered although it is booted up again.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: October 27, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun Ju Kwon, In Yup Kang