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).
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Patent number: 11965684Abstract: 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: GrantFiled: October 18, 2019Date of Patent: April 23, 2024Assignee: Hanon SystemsInventors: Tae Hyeong Kim, Eun Seok Kang, Sung Jun Park, Chan Song, Seung Hwan Shin, Ho Bin Im, Min Gyo Jung
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Publication number: 20240114261Abstract: 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: ApplicationFiled: March 28, 2023Publication date: April 4, 2024Inventors: Eun Chang LEE, Min Seok SHIN
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Publication number: 20240079721Abstract: 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: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
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Publication number: 20230360689Abstract: 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: ApplicationFiled: April 26, 2023Publication date: November 9, 2023Inventors: Jun Young Park, Joo Hwan Kim, Jin Do Byun, Eun Seok Shin, Hyun Sub Rie, Hyun-Yoon Cho, Jung Hwan Choi
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Publication number: 20230143365Abstract: 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: ApplicationFiled: June 29, 2022Publication date: May 11, 2023Applicant: 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
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Publication number: 20230138845Abstract: 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: ApplicationFiled: July 6, 2022Publication date: May 4, 2023Inventors: Joo Hwan KIM, Su Cheol LEE, Jin Do BYUN, Eun Seok SHIN, Young Don CHOI, Jung Hwan CHOI
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Patent number: 11012062Abstract: 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: GrantFiled: July 20, 2020Date of Patent: May 18, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun Seok Shin, Jung Ho Lee, Michael Choi
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Patent number: 10992290Abstract: 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: GrantFiled: January 6, 2020Date of Patent: April 27, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-min Kim, Kyung-hoon Lee, Eun-seok Shin, Michael Choi
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Patent number: 10868502Abstract: 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: GrantFiled: November 5, 2019Date of Patent: December 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Woo Kim, Sun-Jae Park, Eun Seok Shin, Seunghoon Lee
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Publication number: 20200350900Abstract: 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: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventors: Eun Seok SHIN, Jung Ho LEE, Michael CHOI
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Patent number: 10764570Abstract: 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: GrantFiled: January 20, 2019Date of Patent: September 1, 2020Assignee: 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
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Publication number: 20200244252Abstract: 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: ApplicationFiled: January 6, 2020Publication date: July 30, 2020Inventors: Yong-min KIM, Kyung-hoon LEE, Eun-seok SHIN, Michael CHOI
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Patent number: 10720911Abstract: 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: GrantFiled: July 25, 2019Date of Patent: July 21, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun Seok Shin, Jung Ho Lee, Michael Choi
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Publication number: 20200195242Abstract: 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: ApplicationFiled: July 25, 2019Publication date: June 18, 2020Inventors: Eun Seok SHIN, Jung Ho LEE, Michael CHOI
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Patent number: 10686405Abstract: 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: GrantFiled: October 16, 2017Date of Patent: June 16, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-seok Shin, Se-ra An, Jae-jin Park, Seung-hoon Lee, Do-hyung Kim, Min-young Kang
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Publication number: 20200076381Abstract: 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: ApplicationFiled: November 5, 2019Publication date: March 5, 2020Inventors: YONG-WOO KIM, SUN-JAE PARK, EUN SEOK SHIN, SEUNGHOON LEE
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Patent number: 10476449Abstract: 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: GrantFiled: May 14, 2018Date of Patent: November 12, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Woo Kim, Sun-Jae Park, Eun Seok Shin, Seunghoon Lee
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Publication number: 20190313088Abstract: 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: ApplicationFiled: January 20, 2019Publication date: October 10, 2019Applicant: 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
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Patent number: 10411726Abstract: 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: GrantFiled: August 6, 2018Date of Patent: September 10, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Woo Kim, Dai Shi, Eun Seok Shin
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Publication number: 20190190534Abstract: 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: ApplicationFiled: August 6, 2018Publication date: June 20, 2019Inventors: YONG-WOO KIM, DAI SHI, EUN SEOK SHIN