Patents by Inventor Sung Hyuk Choi

Sung Hyuk Choi 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: 20240128796
    Abstract: A power transfer system includes an electric vehicle supply equipment (EVSE) for providing electric power to an electric vehicle (EV) and an electric power reception device mounted in the EV; a first conductor plate electrically connected to a primary-side circuit of the EVSE; a compensation circuit for transferring a power input signal of the EVSE to the first conductor plate; a second conductor plate disposed in the EV and connected to the electric power reception device; and a secondary-side circuit for transferring a power signal received by the second conductor plate to a load, where the electric power is transferred from the EVSE to the EV by capacitive coupling between the first conductor plate and the second conductor plate.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 18, 2024
    Inventors: Eui Hoon Chung, Gyu Yeong Choe, Young Jin Kim, Sung Hyuk Choi, Jung Ik Ha
  • Publication number: 20240097251
    Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.
    Type: Application
    Filed: March 29, 2022
    Publication date: March 21, 2024
    Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
  • Patent number: 11378540
    Abstract: An apparatus for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor, includes a connector with a sample cell in which an oxidation/reduction enzyme and an electron transfer mediator are fixed and a working electrode and an counter electrode are provided; a digital-to-analog converter circuit configured to apply a constant DC voltage to start the oxidation/reduction reaction of the analyte, proceed with an electron transfer reaction, and apply a ?-step ladder-type perturbation potential for fluctuating a potential of the sample cell after applying the constant DC voltage; and a microcontroller configured to control the digital-to-analog converter circuit and directly obtain a concentration value of the analyte from a calibration equation using the ?-step ladder-type perturbation potential.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: July 5, 2022
    Assignee: I-SENS, INC.
    Inventors: Geun Sig Cha, Hakhyun Nam, Seok-Won Lee, Sung Hyuk Choi, Youngjea Kang, Myeongho Lee, Ho Dong Park, Sung Pil Cho
  • Publication number: 20200278314
    Abstract: An apparatus for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor, includes a connector with a sample cell in which an oxidation/reduction enzyme and an electron transfer mediator are fixed and a working electrode and an counter electrode are provided; a digital-to-analog converter circuit configured to apply a constant DC voltage to start the oxidation/reduction reaction of the analyte, proceed with an electron transfer reaction, and apply a ?-step ladder-type perturbation potential for fluctuating a potential of the sample cell after applying the constant DC voltage; and a microcontroller configured to control the digital-to-analog converter circuit and directly obtain a concentration value of the analyte from a calibration equation using the ?-step ladder-type perturbation potential.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Inventors: Geun Sig CHA, Hakhyun NAM, Seok-Won LEE, Sung Hyuk CHOI, Youngjea KANG, Myeongho LEE, Ho Dong PARK, Sung Pil CHO
  • Patent number: 10690619
    Abstract: A method for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor according to an exemplary embodiment of the present invention is characterized by a step of obtaining predetermined features from induced currents obtained by applying a DC voltage according to chronoamperometry in which, after a whole blood sample is injected to the electrochemical bio-sensor, a concentration of an analyte is obtained from an induced current obtained by applying a DC voltage for a certain time and from all induced currents obtained by further applying several step-ladder perturbation potentials for a short time subsequent to the DC voltage for the certain time, and is also characterized by minimization of a measurement error caused by a hindering material by forming a calibration equation by combining the at least one feature in a function and optimizing various conditions of the bio-sample through DeletedTextsmultivariable analysis.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: June 23, 2020
    Assignee: I-SENS, INC.
    Inventors: Geun Sig Cha, Hakhyun Nam, Seok-Won Lee, Sung Hyuk Choi, Youngjea Kang, Myeongho Lee, Ho Dong Park, Sung Pil Cho
  • Patent number: 10122318
    Abstract: A network-based motor control system-on-chip (SoC) and a motor control method. The network-based motor control system includes a network unit; a first processor for exchanging a first data with the network unit and processing a first task related to the first data; a motor; a motor control unit for controlling operation of the motor; a second processor for exchanging a second data related to the operation of the motor with the motor control unit and processing a second task related to the second data; and a data sharing unit for sharing processing results of the first task and the second task by the first processor and the second processor, in which the first task and the second task are concurrently processed.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: November 6, 2018
    Assignee: AJINEXTEK CO., LTD
    Inventors: Kwang Ju Sung, Chang Ho Kim, Sung Hyuk Choi, Sang Tae Lee
  • Publication number: 20160077037
    Abstract: A method for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor according to an exemplary embodiment of the present invention is characterized by a step of obtaining predetermined features from induced currents obtained by applying a DC voltage according to chronoamperometry in which, after a whole blood sample is injected to the electrochemical bio-sensor, a concentration of an analyte is obtained from an induced current obtained by applying a DC voltage for a certain time and from all induced currents obtained by further applying several step-ladder perturbation potentials for a short time subsequent to the DC voltage for the certain time, and is also characterized by minimization of a measurement error caused by a hindering material by forming a calibration equation by combining the at least one feature in a function and optimizing various conditions of the bio-sample through Deleted Texts multivariable analysis.
    Type: Application
    Filed: December 8, 2014
    Publication date: March 17, 2016
    Inventors: Geun Sig CHA, Hakhyun NAM, Seok-Won LEE, Sung Hyuk CHOI, Youngjea KANG, Myeongho LEE, Ho Dong PARK, Sung Pil CHO
  • Publication number: 20150357963
    Abstract: A network-based motor control system-on-chip (SoC) and a motor control method. The network-based motor control system includes a network unit; a first processor for exchanging a first data with the network unit and processing a first task related to the first data; a motor; a motor control unit for controlling operation of the motor; a second processor for exchanging a second data related to the operation of the motor with the motor control unit and processing a second task related to the second data; and a data sharing unit for sharing processing results of the first task and the second task by the first processor and the second processor, in which the first task and the second task are concurrently processed.
    Type: Application
    Filed: April 24, 2013
    Publication date: December 10, 2015
    Inventors: Kwang Ju Sung, Chang Ho Kim, Sung Hyuk Choi, Sang Tae Lee
  • Publication number: 20150352718
    Abstract: A multiple robot control apparatus using a teaching pendant and a control method thereof. The method of controlling a plurality of robots by a teaching pendant based on an access point (AP) includes the steps of: transmitting first information to the AP by the teaching pendant; transmitting the first information to a plurality of related master boards by the AP; outputting a drive pulse signal using the first information by each of the plurality of master boards; and operating the plurality of robots respectively connected to the plurality of master boards according to the drive pulse signal, in which the teaching pendant operates on an Android platform, and the teaching pendant, the AP and the plurality of motion master boards communicate using at least either a short range communication or a wireless communication.
    Type: Application
    Filed: April 25, 2013
    Publication date: December 10, 2015
    Inventors: Tae Min Lee, Chang Ho Kim, Sung Hyuk Choi, Sang Tae Lee
  • Publication number: 20150082071
    Abstract: A smart monitoring apparatus and a monitoring method using the apparatus. A smart monitoring apparatus is provided in a PC system to monitor a state of a PC-based embedded controller, the apparatus including: a monitoring block for monitoring a state in the system and creating state information; a logging block for receiving the state information created by the monitoring block and storing the state information in a form of a log in real-time so that the stored log and current state information may be confirmed; and a battery for supplying power to the logging block when an operating system in the system does not operate or power supplied to the system is cut off.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 19, 2015
    Inventors: Jong Eun Kim, Gi Sub Hwang, Tae Won Kim, Sang Tae Lee, Sung Hyuk Choi, Chang Ho Kim
  • Patent number: 8797710
    Abstract: There is provided a multilayer ceramic capacitor. The capacitor includes: a multilayer body having a dielectric layer; and first and second internal electrodes disposed in the multilayer body, the dielectric layer being disposed between the first and second internal electrodes, wherein, in a cross-section taken in a width-thickness direction of the multilayer body, an offset portion is defined as a portion where adjacent first and second internal electrodes do not overlap with each other, and a ratio (t1/td) of a width t1 of the offset portion to a thickness td of the dielectric layer is 1 to 10.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: August 5, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Huk Kim, Jae Sung Park, Sung Hyuk Choi, Seon Ki Song, Han Nah Chang, Byung Soo Kim
  • Publication number: 20140153154
    Abstract: There is provided a multi-layered ceramic electronic component including: a ceramic body including a dielectric layer and having first and second main surfaces, first and second side surfaces, and first and second end surfaces; a first internal electrode having an overlapping region to form a capacitance formation part and exposed to the first and second side surfaces, and including a first lead-out part; a second internal electrode alternately multi-layered with the first internal electrode to be exposed to the first and second side surfaces, and insulated from the first internal electrode, and including the second lead-out part; first and second external electrodes; and insulation layers formed on the first and second side surfaces, the first and second lead-out parts being regions in which the first and second internal electrodes are not overlapped with each other.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 5, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyuk CHOI, Byung Kwon YOON, Sang Hyuk KIM
  • Publication number: 20140092522
    Abstract: There is provided a multilayer ceramic capacitor. The capacitor includes: a multilayer body having a dielectric layer; and first and second internal electrodes disposed in the multilayer body, the dielectric layer being disposed between the first and second internal electrodes, wherein, in a cross-section taken in a width-thickness direction of the multilayer body, an offset portion is defined as a portion where adjacent first and second internal electrodes do not overlap with each other, and a ratio (t1/td) of a width t1 of the offset portion to a thickness td of the dielectric layer is 1 to 10.
    Type: Application
    Filed: September 25, 2013
    Publication date: April 3, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Huk KIM, Jae Sung PARK, Sung Hyuk CHOI, Seon Ki SONG, Han Nah CHANG, Byung Soo KIM
  • Patent number: 8559160
    Abstract: There is provided a multilayer ceramic capacitor. The capacitor includes: a multilayer body having a dielectric layer; and first and second internal electrodes disposed in the multilayer body, the dielectric layer being disposed between the first and second internal electrodes, wherein, in a cross-section taken in a width-thickness direction of the multilayer body, an offset portion is defined as a portion where adjacent first and second internal electrodes do not overlap with each other, and a ratio (t1/td) of a width t1 of the offset portion to a thickness td of the dielectric layer is 1 to 10.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: October 15, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Huk Kim, Jae Sung Park, Sung Hyuk Choi, Seon Ki Song, Han Nah Chang, Byung Soo Kim
  • Publication number: 20130242459
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer having an average thickness of 0.6 ?m or less; and first and second inner electrode layers within the ceramic body, disposed to face each other with the dielectric layer interposed therebetween, wherein the dielectric layer includes contact dielectric grains in contact with the first or second inner electrode layer and non-contact dielectric grains not in contact with the first or second inner electrode layer, and, when an average thickness of the dielectric layer is defined as td and an average diameter of the contact dielectric grains is defined as De, De/td?0.35 is satisfied. The multilayer ceramic electronic component has improved continuity of the inner electrode layer, large capacitance, extended accelerated lifespan and excellent reliability.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Huk KIM, Jang Ho LEE, Ju Myung SUH, Sung Hyuk CHOI, Jong Hoon BAE, Jun Hee KIM, Seon Ki SONG
  • Patent number: 8437115
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer having an average thickness of 0.6 ?m or less; and first and second inner electrode layers within the ceramic body, disposed to face each other with the dielectric layer interposed therebetween, wherein the dielectric layer includes contact dielectric grains in contact with the first or second inner electrode layer and non-contact dielectric grains not in contact with the first or second inner electrode layer, and, when an average thickness of the dielectric layer is defined as td and an average diameter of the contact dielectric grains is defined as De, De/td?0.35 is satisfied. The multilayer ceramic electronic component has improved continuity of the inner electrode layer, large capacitance, extended accelerated lifespan and excellent reliability.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: May 7, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Huk Kim, Jang Ho Lee, Ju Myung Suh, Sung Hyuk Choi, Jong Hoon Bae, Jun Hee Kim, Seon Ki Song
  • Publication number: 20130027842
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer having an average thickness of 0.6 ?m or less; and first and second inner electrode layers within the ceramic body, disposed to face each other with the dielectric layer interposed therebetween, wherein the dielectric layer includes contact dielectric grains in contact with the first or second inner electrode layer and non-contact dielectric grains not in contact with the first or second inner electrode layer, and, when an average thickness of the dielectric layer is defined as td and an average diameter of the contact dielectric grains is defined as De, De/td?0.35 is satisfied. The multilayer ceramic electronic component has improved continuity of the inner electrode layer, large capacitance, extended accelerated lifespan and excellent reliability.
    Type: Application
    Filed: May 23, 2012
    Publication date: January 31, 2013
    Inventors: Sang Huk KIM, Jang Ho LEE, Ju Myung SUH, Sung Hyuk CHOI, Jong Hoon BAE, Jun Hee KIM, Seon Ki SONG
  • Publication number: 20120307418
    Abstract: There is provided a multilayer ceramic capacitor. The capacitor includes: a multilayer body having a dielectric layer; and first and second internal electrodes disposed in the multilayer body, the dielectric layer being disposed between the first and second internal electrodes, wherein, in a cross-section taken in a width-thickness direction of the multilayer body, an offset portion is defined as a portion where adjacent first and second internal electrodes do not overlap with each other, and a ratio (t1/td) of a width t1 of the offset portion to a thickness td of the dielectric layer is 1 to 10.
    Type: Application
    Filed: May 23, 2012
    Publication date: December 6, 2012
    Inventors: Sang Huk KIM, Jae Sung PARK, Sung Hyuk CHOI, Seon Ki SONG, Han Nah CHANG
  • Patent number: 6663756
    Abstract: Disclosed is a microchip-based differential-type potentiometric oxygen gas sensor, which comprises a working electrode and a reference electrode. The working electrode is composed of a cobalt-plated electrode, a buffered hydrogel, and an ion sensitive gas permeable membrane while the reference electrode is composed of an oxygen non-sensitive silver chloride electrode and the same ion-selective gas-permeable membrane of working electrode. By taking advantage of the corrosion potential, the microchip-based oxygen gas sensor can accurately and quickly detect the content of dissolved oxygen in a sample solution. With this structure, the oxygen gas sensor is applied to a microchip-based all potentiometric multi-sensor capable of detecting two or more ions and gas species on a single chip.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: December 16, 2003
    Assignee: i-Sens Inc.
    Inventors: Dong Kwon Lee, Tae Young Kang, Sung Hyuk Choi, Jae Seon Lee, Hakhyun Nam, Geun Sig Cha
  • Publication number: 20020070112
    Abstract: Disclosed is a microchip-based differential-type potentiometric oxygen gas sensor, which comprises a working electrode and a reference electrode. The working electrode is composed of a cobalt-plated electrode, a buffered hydrogel, and an ion sensitive gas permeable membrane while the reference electrode is composed of an oxygen non-sensitive silver chloride electrode and the same ion-selective gas-permeable membrane of working electrode. By taking advantage of the corrosion potential, the microchip-based oxygen gas sensor can accurately and quickly detect the content of dissolved oxygen in a sample solution. With this structure, the oxygen gas sensor is applied to a microchip-based all potentiometric multi-sensor capable of detecting two or more ions and gas species on a single chip.
    Type: Application
    Filed: October 18, 2001
    Publication date: June 13, 2002
    Inventors: Dong Kwon Lee, Tae Young Kang, Sung Hyuk Choi, Jae Seon Lee, Hakhyun Nam, Geun Sig Cha