Patents by Inventor Chang Ho RYU

Chang Ho RYU 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: 20240095484
    Abstract: Proposed is a dual band RFID tag including a first rectifier configured to receive and rectify a first RF signal modulated at a first frequency, a first regulator configured to regulate an output voltage of the first rectifier, a second rectifier configured to receive and rectify a second RF signal modulated at a second frequency, a second regulator configured to regulate an output voltage of the second rectifier, a voltage distributor connected to a first node and a ground in a state of being positioned therebetween, the output terminal of the first rectifier and the output terminal of the second rectifier being both connected to the first node, a multiplexer configured to output any one of an analog detection signal output from a sensor and an output signal of the voltage distributor, in response to a first selection signal or a second selection signal, and an analog-to-digital converter configured to receive as an operating voltage a voltage of a second node to which an output terminal of the first regulat
    Type: Application
    Filed: April 26, 2023
    Publication date: March 21, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Patent number: 11929389
    Abstract: An integrated circuit device includes a lower electrode, an upper electrode, and a dielectric layer structure between the lower electrode and the upper electrode, the dielectric layer structure including a first surface facing the lower electrode and a second surface facing the upper electrode. The dielectric layer structure includes a first dielectric layer including a first dielectric material and a plurality of grains extending from the first surface to the second surface and a second dielectric layer including a second dielectric material and surrounding a portion of a sidewall of each of the plurality of grains of the first dielectric layer in a level lower than the second surface. The second dielectric material includes a material having bandgap energy which is higher than bandgap energy of the first dielectric material.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-soo Kim, Seung-min Ryu, Chang-su Woo, Hyung-suk Jung, Kyu-ho Cho, Youn-joung Cho
  • Patent number: 11923610
    Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: March 5, 2024
    Assignees: Samsung Electronics Co., Ltd., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION
    Inventors: Jae-Hyun Park, Jeong-Hae Lee, Min-Seo Park, Young-Ho Ryu, Sung-Bum Park, Kwi-Seob Um, Chong-Min Lee, Chang-Hyun Lee
  • Patent number: 11765804
    Abstract: Provided is a programmable light source output control device. A light source output control device includes electronic fuses, a power stage configured to receive external power, generate actuating power according to the external power and a state of each of the electronic fuses, and supply the actuating power to a light source, and a setting circuit configured to set the state of each of the electronic fuses.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: September 19, 2023
    Assignee: 3ALogics Inc.
    Inventors: Sung Wan Kim, Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu
  • Publication number: 20230194888
    Abstract: An optical device for a vehicle includes an optical sensor module for detecting light that propagates through a light transmitting member; and a correction optical system that includes at least one optical member for allowing the light that propagates between the light transmitting member and the optical sensor module to be refracted in a direction different from a direction refracted by the light transmitting member.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Inventors: Chang Ho RYU, Jong Woon KIM, Hyeong Do KIM
  • Publication number: 20230110898
    Abstract: Provided is a method of providing logistics information.
    Type: Application
    Filed: May 19, 2022
    Publication date: April 13, 2023
    Applicant: 3ALogics Inc.
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20230115842
    Abstract: Provided is a data logger.
    Type: Application
    Filed: May 19, 2022
    Publication date: April 13, 2023
    Applicant: 3ALogics Inc.
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20230070537
    Abstract: Provided is a programmable light source output control device. A light source output control device includes electronic fuses, a power stage configured to receive external power, generate actuating power according to the external power and a state of each of the electronic fuses, and supply the actuating power to a light source, and a setting circuit configured to set the state of each of the electronic fuses.
    Type: Application
    Filed: May 19, 2022
    Publication date: March 9, 2023
    Applicant: 3ALogics Inc.
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Patent number: 11230224
    Abstract: A lamp for a vehicle includes a light source unit that generates light and an optical unit for guiding the light. The light source unit includes a plurality of light sources arranged in a matrix shape, and the optical unit includes a plurality of optical members disposed in a traveling direction of the light. The light generated from the plurality of light sources passes through the optical unit to form a beam pattern.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 25, 2022
    Assignee: SL Corporation
    Inventors: Hyeong Do Kim, Jong Woon Kim, Chang Ho Ryu
  • Patent number: 10697917
    Abstract: An integrated circuit includes a bi-directional signal transmission pin connected to a sensing electrode of a salinity sensor, an RF interface which generates operating voltages on the basis of an RF signal received through an antenna, different types of driving signal generators having a structure in which each output terminal is connected to the pin, different types of analog-to-digital converters having a structure in which each input terminal is connected to the pin, and a microcontroller unit which generates a first control signal and a second control signal according to a type of the salinity sensor, in which one of the different types of driving signal generators is enabled based on the first control signal, one of the different types of analog-to-digital converters is enabled based on the second control signal, and the operating voltages are supplied to an enabled signal generator and an enabled analog-to-digital converter.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 30, 2020
    Assignee: 3A LOGICS Co., LTD.
    Inventors: Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu, Sung Wan Kim
  • Patent number: 10685271
    Abstract: An integrated circuit is disclosed. The integrated circuit includes a UHF RFID tag physical layer that rectifies a UHF RFID signal acquired through a first antenna using a first rectifier to generate a first DC voltage, an NFC tag physical layer that rectifies an NFC signal acquired through a second antenna to generate a second DC voltage, a microcontroller unit, a non-volatile memory that stores data processed and data to be processed by the UHF RFID tag physical layer, and data processed and data to be processed by the NFC tag physical layer under control of the microcontroller unit, and a detector that detects a voltage input of one of the first DC voltage and the second DC voltage, and supplies the detected DC voltage to one of the UHF RFID tag physical layer and the NFC tag physical layer, the microcontroller unit, and the non-volatile memory.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: June 16, 2020
    Assignee: 3A LOGICS Co., LTD.
    Inventors: Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu, Sung Wan Kim
  • Publication number: 20200180504
    Abstract: A lamp for a vehicle includes a light source unit that generates light and an optical unit for guiding the light. The light source unit includes a plurality of light sources arranged in a matrix shape, and the optical unit includes a plurality of optical members disposed in a traveling direction of the light. The light generated from the plurality of light sources passes through the optical unit to form a beam pattern.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 11, 2020
    Applicant: SL Corporation
    Inventors: Hyeong Do KIM, Jong Woon KIM, Chang Ho RYU
  • Publication number: 20200143218
    Abstract: An integrated circuit is disclosed. The integrated circuit includes a UHF RFID tag physical layer that rectifies a UHF RFID signal acquired through a first antenna using a first rectifier to generate a first DC voltage, an NFC tag physical layer that rectifies an NFC signal acquired through a second antenna to generate a second DC voltage, a microcontroller unit, a non-volatile memory that stores data processed and data to be processed by the UHF RFID tag physical layer, and data processed and data to be processed by the NFC tag physical layer under control of the microcontroller unit, and a detector that detects a voltage input of one of the first DC voltage and the second DC voltage, and supplies the detected DC voltage to one of the UHF RFID tag physical layer and the NFC tag physical layer, the microcontroller unit, and the non-volatile memory.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 7, 2020
    Inventors: Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU, Sung Wan KIM
  • Publication number: 20200110049
    Abstract: An integrated circuit includes a bi-directional signal transmission pin connected to a sensing electrode of a salinity sensor, an RF interface which generates operating voltages on the basis of an RF signal received through an antenna, different types of driving signal generators having a structure in which each output terminal is connected to the pin, different types of analog-to-digital converters having a structure in which each input terminal is connected to the pin, and a microcontroller unit which generates a first control signal and a second control signal according to a type of the salinity sensor, in which one of the different types of driving signal generators is enabled based on the first control signal, one of the different types of analog-to-digital converters is enabled based on the second control signal, and the operating voltages are supplied to an enabled signal generator and an enabled analog-to-digital converter.
    Type: Application
    Filed: November 12, 2018
    Publication date: April 9, 2020
    Inventors: Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU, Sung Wan KIM