Patents by Inventor Eun-Seok Shin

Eun-Seok Shin 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: 11965684
    Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 23, 2024
    Assignee: Hanon Systems
    Inventors: Tae Hyeong Kim, Eun Seok Kang, Sung Jun Park, Chan Song, Seung Hwan Shin, Ho Bin Im, Min Gyo Jung
  • Publication number: 20240114261
    Abstract: Disclosed is an image sensor including a first tap pixel, a second tap pixel, and an overflow detection circuit suitable for detecting overflow of the first tap pixel based on a first tap pixel signal outputted from the first tap pixel and overflow of the second tap pixel based on a second tap pixel signal outputted from the second tap pixel, and forming a current path from an overflow current source to a ground voltage terminal when a voltage of the first tap pixel signal or a voltage of the second tap pixel signal drops below a predetermined voltage.
    Type: Application
    Filed: March 28, 2023
    Publication date: April 4, 2024
    Inventors: Eun Chang LEE, Min Seok SHIN
  • Publication number: 20240079721
    Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
  • Publication number: 20230360689
    Abstract: A semiconductor memory device is provided. The semiconductor includes a data clock buffer that receives a data clock signal from a memory controller and outputs a pair of differential input signals, an edge delay controller that adjusts duty ratios of the pair of differential input signals based on a control code and outputs a pair of corrected clock signals, a first unit delay path circuit that generates four output clock signals having different phases based on the pair of corrected clock signals, a rising edge multiplexer that serially outputs data corresponding to a rising edge of each of the four output clock signals, a second unit delay path circuit that generates four duplicate clock signals having different phases based on the pair of corrected clock signals and a quadrature error correction circuit detector that detects a duty error based on the duplicate clock signals and outputs the control code.
    Type: Application
    Filed: April 26, 2023
    Publication date: November 9, 2023
    Inventors: Jun Young Park, Joo Hwan Kim, Jin Do Byun, Eun Seok Shin, Hyun Sub Rie, Hyun-Yoon Cho, Jung Hwan Choi
  • Publication number: 20230143365
    Abstract: A method includes measuring a linearity of a first pull-up circuit, a second pull-up circuit, a third pull-up circuit, a first pull-down circuit, a second pull-down circuit and a third pull-down circuit using an initial pull-up code and an initial pull-down code, each of the first pull-up circuit, the second pull-up circuit and the third pull-up circuit having a respective resistance value determined based on a respective pull-up code, and each of the first pull-down circuit, the second pull-down circuit and the third pull-down circuit having a respective resistance value determined based on a respective pull-down code, and determining a calibration setting indicator based on the measurement result, the calibration setting indicator indicating a calibration method of a transmission driver including the first pull-up circuit, the second pull-up circuit, the third pull-up circuit, the first pull-down circuit, the second pull-down circuit and the third pull-down circuit.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Hwan KIM, Jun Young PARK, Jin Do BYUN, Kwang Seob SHIN, Eun Seok SHIN, Hyun-Yoon CHO, Young Don CHOI, Jung Hwan CHOI
  • Publication number: 20230138845
    Abstract: A memory device, a host device and a method of operating the memory device are provided. The memory device includes a data signal generator configured to provide a data signal to a transmission driver, the transmission driver configured to output a multi-level signal having any one of first to third signal levels based on the data signal, a command decoder configured to receive a feedback signal from outside of the memory device and decode the feedback signal, a data signal controller configured to adjust the data signal based on a decoding result of the command decoder, and a drive strength controller configured to adjust at least one of the first to third signal levels based on the decoding result of the command decoder.
    Type: Application
    Filed: July 6, 2022
    Publication date: May 4, 2023
    Inventors: Joo Hwan KIM, Su Cheol LEE, Jin Do BYUN, Eun Seok SHIN, Young Don CHOI, Jung Hwan CHOI
  • Patent number: 11012062
    Abstract: A bootstrap circuit including: a charge pump; a power unit including a bootstrap capacitor, wherein the bootstrap capacitor is charged using an output voltage of the charge pump; and a switch driver for generating a bootstrap signal based on a clock signal and an analog signal, wherein the analog signal is input to an analog switch, the switch driver for controlling the analog switch using the bootstrap signal, and including a first body switch connected between an input terminal and a body of the analog switch.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Seok Shin, Jung Ho Lee, Michael Choi
  • Patent number: 10992290
    Abstract: A level shifter for outputting an output voltage having a voltage level range different from a voltage level range of a received input voltage is disclosed. The level shifter includes: a current mirror configured to copy a reference current flowing through a first mirror transistor to a second mirror transistor; a current mirror control circuit electrically connected to the current mirror by a sink node and including a plurality of control transistors configured to control the current mirror; and an output circuit configured to output an output voltage based on a voltage level of the sink node, wherein a first control transistor of the plurality of control transistors receives the output voltage fed back to a gate terminal of the first control transistor, and a second control transistor of the plurality of control transistors receives an inverted output voltage fed back to a gate terminal of the second control transistor.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-min Kim, Kyung-hoon Lee, Eun-seok Shin, Michael Choi
  • Patent number: 10868502
    Abstract: A switched capacitor circuit includes a first main sampler circuit, a second main sampler circuit, a first replica sampler circuit, and a second replica sampler circuit. The first main sampler circuit samples a first input of a differential input, and generates a first output corresponding to the sampled first input based on a first reference voltage. The second main sampler circuit samples a second input of the differential input, and generates a second output corresponding to the sampled second input based on a second reference voltage. The first replica sampler circuit receives the first input, and holds the received first input based on the second reference voltage. The second replica sampler circuit receives the second input, and holds the received second input based on the first reference voltage.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Woo Kim, Sun-Jae Park, Eun Seok Shin, Seunghoon Lee
  • Publication number: 20200350900
    Abstract: A bootstrap circuit including: a charge pump; a power unit including a bootstrap capacitor, wherein the bootstrap capacitor is charged using an output voltage of the charge pump; and a switch driver for generating a bootstrap signal based on a clock signal and an analog signal, wherein the analog signal is input to an analog switch, the switch driver for controlling the analog switch using the bootstrap signal, and including a first body switch connected between an input terminal and a body of the analog switch.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Eun Seok SHIN, Jung Ho LEE, Michael CHOI
  • Patent number: 10764570
    Abstract: The present invention relates to a rotating inspector for a camera module. The rotating inspector includes a rotary table having one or more socket units on which the camera module mounted; a plurality of inspection devices disposed around the rotary table to inspect the camera module; test boards disposed on the rotary table, each of test boards being connected to the one or more socket units, respectively to control the camera module and generate inspection data for the camera module; a first data processing unit disposed on the rotary table and analyzing the inspection data to generate result data for possible defects of the camera module; a second data processing unit disposed outside the rotary table, the second data processing unit being configured to receive the result data and to sort and store the received data; and a data transmission unit transmitting the result data generated in the first data processing unit to the second data processing unit.
    Type: Grant
    Filed: January 20, 2019
    Date of Patent: September 1, 2020
    Assignee: ISMedia Co., Ltd.
    Inventors: Seong Cheol Hong, Dong Choon Kim, Sung Oh Yim, Yong Woo Han, Eun Seok Shin, Cheon Su Mun, Min Seog Choi
  • Publication number: 20200244252
    Abstract: A level shifter for outputting an output voltage having a voltage level range different from a voltage level range of a received input voltage is disclosed. The level shifter includes: a current mirror configured to copy a reference current flowing through a first mirror transistor to a second mirror transistor; a current mirror control circuit electrically connected to the current mirror by a sink node and including a plurality of control transistors configured to control the current mirror; and an output circuit configured to output an output voltage based on a voltage level of the sink node, wherein a first control transistor of the plurality of control transistors receives the output voltage fed back to a gate terminal of the first control transistor, and a second control transistor of the plurality of control transistors receives an inverted output voltage fed back to a gate terminal of the second control transistor.
    Type: Application
    Filed: January 6, 2020
    Publication date: July 30, 2020
    Inventors: Yong-min KIM, Kyung-hoon LEE, Eun-seok SHIN, Michael CHOI
  • Patent number: 10720911
    Abstract: A bootstrap circuit including: a charge pump; a power unit including a bootstrap capacitor, wherein the bootstrap capacitor is charged using an output voltage of the charge pump; and a switch driver for generating a bootstrap signal based on a clock signal and an analog signal, wherein the analog signal is input to an analog switch, the switch driver for controlling the analog switch using the bootstrap signal, and including a first body switch connected between an input terminal and a body of the analog switch.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Seok Shin, Jung Ho Lee, Michael Choi
  • Publication number: 20200195242
    Abstract: A bootstrap circuit including: a charge pump; a power unit including a bootstrap capacitor, wherein the bootstrap capacitor is charged using an output voltage of the charge pump; and a switch driver for generating a bootstrap signal based on a clock signal and an analog signal, wherein the analog signal is input to an analog switch, the switch driver for controlling the analog switch using the bootstrap signal, and including a first body switch connected between an input terminal and a body of the analog switch.
    Type: Application
    Filed: July 25, 2019
    Publication date: June 18, 2020
    Inventors: Eun Seok SHIN, Jung Ho LEE, Michael CHOI
  • Patent number: 10686405
    Abstract: A resonator oscillator that may be included in a gas sensing system may include an oscillator that may be electrically connected to an external resonator through a conductive line. The oscillator may generate an oscillating signal having a frequency corresponding to a resonance frequency of the external resonator in an oscillating path. A spurious resonance removal circuit on the oscillating path may remove spurious resonance caused by the conductive line from the oscillating path. A gas sensing system may include the oscillator, a resonator that includes a sensor configured to sense a gas, and a frequency counting logic that receives the oscillating signal and a reference clock signal, performs a counting operation on the oscillating signal according to a logic state of the reference clock signal to generate a counted value, and generate a gas sensing output indicating a sensed gas based on the counted value.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-seok Shin, Se-ra An, Jae-jin Park, Seung-hoon Lee, Do-hyung Kim, Min-young Kang
  • Publication number: 20200076381
    Abstract: A switched capacitor circuit includes a first main sampler circuit, a second main sampler circuit, a first replica sampler circuit, and a second replica sampler circuit. The first main sampler circuit samples a first input of a differential input, and generates a first output corresponding to the sampled first input based on a first reference voltage. The second main sampler circuit samples a second input of the differential input, and generates a second output corresponding to the sampled second input based on a second reference voltage. The first replica sampler circuit receives the first input, and holds the received first input based on the second reference voltage. The second replica sampler circuit receives the second input, and holds the received second input based on the first reference voltage.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Inventors: YONG-WOO KIM, SUN-JAE PARK, EUN SEOK SHIN, SEUNGHOON LEE
  • Patent number: 10476449
    Abstract: A switched capacitor circuit includes a first main sampler circuit, a second main sampler circuit, a first replica sampler circuit, and a second replica sampler circuit. The first main sampler circuit samples a first input of a differential input, and generates a first output corresponding to the sampled first input based on a first reference voltage. The second main sampler circuit samples a second input of the differential input, and generates a second output corresponding to the sampled second input based on a second reference voltage. The first replica sampler circuit receives the first input, and holds the received first input based on the second reference voltage. The second replica sampler circuit receives the second input, and holds the received second input based on the first reference voltage.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Woo Kim, Sun-Jae Park, Eun Seok Shin, Seunghoon Lee
  • Publication number: 20190313088
    Abstract: The present invention relates to a rotating inspector for a camera module. The rotating inspector includes a rotary table having one or more socket units on which the camera module mounted; a plurality of inspection devices disposed around the rotary table to inspect the camera module; test boards disposed on the rotary table, each of test boards being connected to the one or more socket units, respectively to control the camera module and generate inspection data for the camera module; a first data processing unit disposed on the rotary table and analyzing the inspection data to generate result data for possible defects of the camera module; a second data processing unit disposed outside the rotary table, the second data processing unit being configured to receive the result data and to sort and store the received data; and a data transmission unit transmitting the result data generated in the first data processing unit to the second data processing unit.
    Type: Application
    Filed: January 20, 2019
    Publication date: October 10, 2019
    Applicant: ISMEDIA Co., Ltd.
    Inventors: Seong Cheol HONG, Dong Choon KIM, Sung Oh YIM, Yong Woo HAN, Eun Seok SHIN, Cheon Su MUN, Min Seog CHOI
  • Patent number: 10411726
    Abstract: A quantizer includes: a quantizer capacitor having a first end and a second end; an input calculator that receives input voltages, sums the input voltages, and outputs the summed result to the first end of the quantizer capacitor; a scaler that receives reference voltages and a scale code, generates a scale voltage from the reference voltages depending on the scale code, and outputs the scale voltage to the second end of the quantizer capacitor; and a latch that stores an output voltage of the first end of the quantizer capacitor.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: September 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Woo Kim, Dai Shi, Eun Seok Shin
  • Publication number: 20190190534
    Abstract: A quantizer includes: a quantizer capacitor having a first end and a second end; an input calculator that receives input voltages, sums the input voltages, and outputs the summed result to the first end of the quantizer capacitor; a scaler that receives reference voltages and a scale code, generates a scale voltage from the reference voltages depending on the scale code, and outputs the scale voltage to the second end of the quantizer capacitor; and a latch that stores an output voltage of the first end of the quantizer capacitor.
    Type: Application
    Filed: August 6, 2018
    Publication date: June 20, 2019
    Inventors: YONG-WOO KIM, DAI SHI, EUN SEOK SHIN