Patents by Inventor Jae-Woong Choi

Jae-Woong 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: 20210100104
    Abstract: A printed circuit board includes a core layer having a first through-portion, a coil structure disposed in the first through-portion and comprising a support member, a first coil pattern in a planar spiral form disposed on one surface of the support member, and a body comprising a magnetic substance, wherein the support member and the first coil pattern are accommodated in the body, a first build-up layer covering at least a portion the core layer and disposed in at least a portion of the first through-portion, a first wiring layer disposed on one surface of the first build-up layer, and a first via layer passing through at least a portion of the first build-up layer and connected to the first wiring layer. The first via layer comprises a first wiring via connecting at least a portion of the first wiring layer to the first coil pattern.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 1, 2021
    Inventors: Ki Jung SUNG, Tae Seong KIM, Jae Woong CHOI
  • Publication number: 20210100105
    Abstract: A printed circuit board includes a core layer having a through portion, a magnetic member disposed in the through portion and comprising a magnetic layer, a first coil pattern attached to one surface of the magnetic layer via an adhesive, and a first build-up layer covering at least a portion of the core layer, at least a portion of the magnetic member, and at least a portion of the first coil pattern, and disposed in at least a portion of the through portion.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 1, 2021
    Inventors: Ki Jung Sung, Tae Seong Kim, Jae Woong Choi
  • Patent number: 10819368
    Abstract: A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than ? times the original data length, storing at least one of the values of the original data as a reference point, wherein ? is a real number having a value between 0 and 1.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 27, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Myung Geun Song, Myung Joo Kang, Byeong Eon Lee, Myoung Su Cho, Young Jin Koh, Geon Woo Kim, Sang Yeon Kim, Hyun Seo, Dong Jun Woo, Jae Woong Choi
  • Publication number: 20200220555
    Abstract: A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than a times the original data length, storing at least one of the values of the original data as a reference point, wherein ? is a real number having a value between 0 and 1.
    Type: Application
    Filed: August 22, 2019
    Publication date: July 9, 2020
    Inventors: Myung Geun Song, Myung Joo Kang, Byeong Eon Lee, Myoung Su Cho, Young Jin Koh, Geon Woo Kim, Sang Yeon Kim, Hyun Seo, Dong Jun Woo, Jae Woong Choi
  • Patent number: 10705155
    Abstract: Power management apparatuses are provided. A power management apparatus includes a secondary power device that includes at least one capacitor. The power management apparatus includes a charging circuit that includes a direct current (DC)-DC converter and that is configured to supply power to the secondary power device. Moreover, the power management apparatus includes a measuring circuit that is configured to measure a switching profile of the DC-DC converter, and to determine a state of the secondary power device by comparing at least one time period of the switching profile with a reference time. Related memory systems and methods of operation are also provided.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-yong An, Byung-ok Kang, Woo-sung Lee, Jae-woong Choi, Young-sang Cho
  • Patent number: 10640839
    Abstract: A low-alloy and corrosion-resistant steel for a vehicle, may include about 0.001 wt % to about 0.1 wt % of C, about 0.01 wt % to about 0.5 wt % of Si, about 0.1 wt % to about 0.6 wt % of Mn, more than 0 wt % and about 0.18 wt % or less of P, more than 0 wt % and less than about 0.02 wt % of S, about 0.001 wt % to about 0.03 wt % of Nb, more than 0 wt % and about 0.03 wt % or less of Cr, about 0.05 wt % to about 0.3 wt % of Cu, about 0.05 wt % to about 0.2 wt % of Ni, and more than 0 wt % and about 0.2 wt % or less of a combined weight of Sn and Sb, and the balance iron and inevitable impurities.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 5, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Steel Company
    Inventors: Jae-Woong Choi, Won-Seok Yang
  • Patent number: 10618622
    Abstract: A pollutant reduction device and method are provided. The pollutant reduction device comprises: an exhaust gas pipe for discharging exhaust gas of a combustion engine; a cleaning water supply pipe for supplying cleaning water; a scrubber for spraying the cleaning water, which is supplied through the cleaning water supply pipe, at the exhaust gas flowing in through the exhaust gas pipe; and a cleaning water discharge pipe for discharging the cleaning water inside the scrubber and supplying the same to a ballast water tank.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG HEAVY INDUSTRIES CO., LTD.
    Inventors: Seung Jae Lee, Hee Jun Park, Gun IL Park, Jae Woong Choi
  • Publication number: 20190162797
    Abstract: Power management apparatuses are provided. A power management apparatus includes a secondary power device that includes at least one capacitor. The power management apparatus includes a charging circuit that includes a direct current (DC)-DC converter and that is configured to supply power to the secondary power device. Moreover, the power management apparatus includes a measuring circuit that is configured to measure a switching profile of the DC-DC converter, and to determine a state of the secondary power device by comparing at least one time period of the switching profile with a reference time. Related memory systems and methods of operation are also provided.
    Type: Application
    Filed: July 18, 2018
    Publication date: May 30, 2019
    Inventors: Su-yong An, Byung-ok Kang, Woo-sung Lee, Jae-woong Choi, Young-sang Cho
  • Patent number: 10181723
    Abstract: Methods of operating a power supply switching circuit including selecting a first power supply signal for provisioning through the power supply switching circuit to a electronic storage device. A current draw can be detected via the first power supply signal that exceeds a predetermined current limit and a second power supply signal can be coupled to the first power supply signal for provisioning through the power supply switching circuit to the electronic storage device responsive to the current draw exceeding the predetermined current limit.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: January 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-Sung Lee, Chung-Hyun Ryu, Sang-Hun Jeon, Jae-Woong Choi, Sang-Sik Heo
  • Publication number: 20180327877
    Abstract: A low-alloy and corrosion-resistant steel for a vehicle, may include about 0.001 wt % to about 0.1 wt % of C, about 0.01 wt % to about 0.5 wt % of Si, about 0.1 wt % to about 0.6 wt % of Mn, more than 0 wt % and about 0.18 wt % or less of P, more than 0 wt % and less than about 0.02 wt % of S, about 0.001 wt % to about 0.03 wt % of Nb, more than 0 wt % and about 0.03 wt % or less of Cr, about 0.05 wt % to about 0.3 wt % of Cu, about 0.05 wt % to about 0.2 wt % of Ni, and more than 0 wt % and about 0.2 wt % or less of a combined weight of Sn and Sb, and the balance iron and inevitable impurities.
    Type: Application
    Filed: November 1, 2017
    Publication date: November 15, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Hyundai Steel Company
    Inventors: Jae-Woong CHOI, Won-Seok YANG
  • Patent number: 10013073
    Abstract: A rotary input device comprising: a bezel portion that includes one or more pressing members; and one or more switch units, wherein each of the switch units is arranged to come in physical contact with any of the pressing members when the bezel portion is rotated, and generate an electrical on/off signal when the switch unit comes in physical contact with any of the pressing members.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: July 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Eun Kim, Ki-Young Kwon, Kyung-Hwan Kim, Ji-Hoon Park, Tae-Yoon An, Tae-Won Um, In-Ho Oh, Jae-Woong Choi
  • Publication number: 20180037308
    Abstract: A pollutant reduction device and method are provided. The pollutant reduction device comprises: an exhaust gas pipe for discharging exhaust gas of a combustion engine; a cleaning water supply pipe for supplying cleaning water; a scrubber for spraying the cleaning water, which is supplied through the cleaning water supply pipe, at the exhaust gas flowing in through the exhaust gas pipe; and a cleaning water discharge pipe for discharging the cleaning water inside the scrubber and supplying the same to a ballast water tank.
    Type: Application
    Filed: March 4, 2016
    Publication date: February 8, 2018
    Inventors: Seung Jae LEE, Hee Jun PARK, Gun IL PARK, Jae Woong CHOI
  • Publication number: 20170356090
    Abstract: A composition for a phosphate film of a Zn electric-plated steel sheet may comprise zinc (Zn), nickel (Ni), and manganese (Mn), wherein a content of Mn is 6 to 8 wt %.
    Type: Application
    Filed: November 23, 2016
    Publication date: December 14, 2017
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jae-Woong CHOI
  • Publication number: 20170063082
    Abstract: Methods of operating a power supply switching circuit including selecting a first power supply signal for provisioning through the power supply switching circuit to a electronic storage device. A current draw can be detected via the first power supply signal that exceeds a predetermined current limit and a second power supply signal can be coupled to the first power supply signal for provisioning through the power supply switching circuit to the electronic storage device responsive to the current draw exceeding the predetermined current limit.
    Type: Application
    Filed: June 23, 2016
    Publication date: March 2, 2017
    Inventors: WOO-SUNG LEE, CHUNG-HYUN RYU, SANG-HUN JEON, JAE-WOONG CHOI, SANG-SIK HEO
  • Publication number: 20160327916
    Abstract: A rotary input device comprising: a bezel portion that includes one or more pressing members; and one or more switch units, wherein each of the switch units is arranged to come in physical contact with any of the pressing members when the bezel portion is rotated, and generate an electrical on/off signal when the switch unit comes in physical contact with any of the pressing members.
    Type: Application
    Filed: May 4, 2016
    Publication date: November 10, 2016
    Inventors: Sang-Eun KIM, Ki-Young KWON, Kyung-Hwan KIM, Ji-Hoon PARK, Tae-Yoon AN, Tae-Won UM, In-Ho OH, Jae-Woong CHOI
  • Patent number: 9464539
    Abstract: A waste heat recovery device for a marine vessel is disclosed. According to the embodiments of the present invention, the waste heat recovery device for a marine vessel includes: a heat exchanger, which recovers heat from the exhaust fumes discharged from the engine, to heat a first refrigerant under uniform pressure; a turbine which is driven by adiabatically expanding the first refrigerant heated under uniform pressure; a condenser which condenses the adiabatically expanded first refrigerant; and a heat exchanging pump which compresses the condensed first refrigerant so as to re-circulate the compressed first refrigerant to the heat exchanger.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG HEAVY IND. CO., LTD
    Inventors: Moon Ho Son, Gun Il Park, Sung Jae Lee, Ho Ki Lee, Jung Kun Jin, Jae Woong Choi
  • Patent number: 9290179
    Abstract: A method and an apparatus for predicting a collision are provided. The method includes calculating, by a controller, a driving trajectory of the subject vehicle based on a yaw rate using driving information of the subject vehicle. In addition, the controller is configured to calculate a driving trajectory of a target vehicle for a predetermined period of time that uses driving information of the target vehicle that includes information from an imaging device, configured to obtain a front image, and radar sensors installed on a plurality of locations. Further, the method also includes predicting classified collision types by analyzing a collision possibility between the subject vehicle and the target vehicle based on the driving trajectory of the subject vehicle and the driving trajectory of the target vehicle.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: March 22, 2016
    Assignee: Hyundai Motor Company
    Inventors: Jae Woong Choi, Kwang Jin Park
  • Publication number: 20160052515
    Abstract: A method and an apparatus for predicting a collision are provided. The method includes calculating, by a controller, a driving trajectory of the subject vehicle based on a yaw rate using driving information of the subject vehicle. In addition, the controller is configured to calculate a driving trajectory of a target vehicle for a predetermined period of time that uses driving information of the target vehicle that includes information from an imaging device, configured to obtain a front image, and radar sensors installed on a plurality of locations. Further, the method also includes predicting classified collision types by analyzing a collision possibility between the subject vehicle and the target vehicle based on the driving trajectory of the subject vehicle and the driving trajectory of the target vehicle.
    Type: Application
    Filed: November 25, 2014
    Publication date: February 25, 2016
    Inventors: Jae Woong Choi, Kwang Jin Park
  • Patent number: D755176
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: May 3, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Youl Jung, Howard Nuk, Jeff Jones, Won-Seok Choi, Alex Millie, Jae-Woong Choi
  • Patent number: RE47473
    Abstract: A method and an apparatus for predicting a collision are provided. The method includes calculating, by a controller, a driving trajectory of the subject vehicle based on a yaw rate using driving information of the subject vehicle. In addition, the controller is configured to calculate a driving trajectory of a target vehicle for a predetermined period of time that uses driving information of the target vehicle that includes information from an imaging device, configured to obtain a front image, and radar sensors installed on a plurality of locations. Further, the method also includes predicting classified collision types by analyzing a collision possibility between the subject vehicle and the target vehicle based on the driving trajectory of the subject vehicle and the driving trajectory of the target vehicle.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: July 2, 2019
    Assignee: Hyundai Motor Company
    Inventors: Jae Woong Choi, Kwang Jin Park