Patents by Inventor Hyeon-Cheol Jeong
Hyeon-Cheol Jeong 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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Publication number: 20230155186Abstract: A battery pack including a plurality of battery cells; a first case accommodating the plurality of battery cells; a protection circuit module coupled to one side of the plurality of battery cells and electrically connecting the plurality of battery cells; a bus bar electrically connected to the protection circuit module and extending in one direction along the plurality of battery cells; and a second case coupled to the first case and accommodating the plurality of battery cells, the protection circuit module, and the bus bar, wherein the bus bar includes a diverged branch formed by cutting a region of the bus bar in the one direction.Type: ApplicationFiled: January 6, 2023Publication date: May 18, 2023Inventors: Hyeon Cheol JEONG, Jeong Ho KIM, Sang Gu LEE
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Patent number: 11552337Abstract: A battery pack including a plurality of battery cells; a first case accommodating the plurality of battery cells; a protection circuit module coupled to one side of the plurality of battery cells and electrically connecting the plurality of battery cells; a bus bar electrically connected to the protection circuit module and extending in one direction along the plurality of battery cells; and a second case coupled to the first case and accommodating the plurality of battery cells, the protection circuit module, and the bus bar, wherein the bus bar includes a diverged branch formed by cutting a region of the bus bar in the one direction.Type: GrantFiled: November 12, 2020Date of Patent: January 10, 2023Assignee: SAMSUNG SDI CO., LTD.Inventors: Hyeon Cheol Jeong, Jeong Ho Kim, Sang Gu Lee
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Patent number: 11115107Abstract: A communication receiving device is provided. The communication receiving device includes a cross-correlation measuring circuit which receives an L-SIG (Legacy signal) symbol and a RL-SIG symbol to measure a cross-correlation degree therebetween, an accumulating circuit which accumulates a real part of a cross-correlation degree measurement value, a comparator which compares the accumulated L-SIG symbol and the RL-SIG symbol with a variable threshold value, and a threshold value calculator for calculating the threshold value.Type: GrantFiled: April 23, 2020Date of Patent: September 7, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Bae Jeon, Jun Ha Im, Hyeon Cheol Jeong, Sung Soo Kim
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Publication number: 20210175550Abstract: A battery pack including a plurality of battery cells; a first case accommodating the plurality of battery cells; a protection circuit module coupled to one side of the plurality of battery cells and electrically connecting the plurality of battery cells; a bus bar electrically connected to the protection circuit module and extending in one direction along the plurality of battery cells; and a second case coupled to the first case and accommodating the plurality of battery cells, the protection circuit module, and the bus bar, wherein the bus bar includes a diverged branch formed by cutting a region of the bus bar in the one direction.Type: ApplicationFiled: November 12, 2020Publication date: June 10, 2021Inventors: Hyeon Cheol JEONG, Jeong Ho KIM, Sang Gu LEE
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Publication number: 20210067235Abstract: A communication receiving device is provided. The communication receiving device includes a cross-correlation measuring circuit which receives an L-SIG (Legacy signal) symbol and a RL-SIG symbol to measure a cross-correlation degree therebetween, an accumulating circuit which accumulates a real part of a cross-correlation degree measurement value, a comparator which compares the accumulated L-SIG symbol and the RL-SIG symbol with a variable threshold value, and a threshold value calculator for calculating the threshold value.Type: ApplicationFiled: April 23, 2020Publication date: March 4, 2021Inventors: HYUN BAE JEON, JUN HA IM, HYEON CHEOL JEONG, SUNG SOO KIM
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Patent number: 10286784Abstract: An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a non-driving period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the non-driving period.Type: GrantFiled: September 2, 2015Date of Patent: May 14, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Hyeon-Cheol Jeong, Sang-Kyou Kim, Se-Jin Ji, Woon-Seong Baek
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Patent number: 9876374Abstract: A device for controlling a charging voltage, includes: a voltage drop unit configured to drop a voltage by a preset magnitude; a voltage comparison unit configured to compare a charging voltage of a battery with a first reference voltage and to output a path selection signal through an output terminal; a first path configured to connect the battery to a charging power supply; a second path configured to connect the battery to the charging power supply, with the voltage drop unit being interposed between the battery and the charging power supply; and a path selector configured to select one from the first path and the second path according to the path selection signal.Type: GrantFiled: June 16, 2015Date of Patent: January 23, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Kwan-Il Oh, Buang-Ho Park, Se-Jin Ji, Hyeon-Cheol Jeong, Sang-Kyou Kim
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Publication number: 20170008791Abstract: Provided are a forming apparatus for forming a part of a flat panel-shaped glass in a curved surface by selectively heating only a formation part, and a forming method using the same. The forming apparatus includes a transfer device configured to transfer material having a flat panel shape and a curved surface forming device configured to form at least one part of the material in a curved surface, wherein the curved surface forming device includes a forming mold on which the material is seated, a heating unit configured to heat the at least one part of the material by laser light, and a jig unit configured to form the at least one part of the material heated by laser light in a curved surface.Type: ApplicationFiled: June 27, 2016Publication date: January 12, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Ha KIM, Kyoung San KIM, Jung Kyu PARK, Sung Chan UH, Dae Ung YEOM, Seung Hwan JUNG, Won Seok CHUNG, Hyeon Cheol JEONG, Young Kyong JO, Hong Ick CHAE
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Publication number: 20160261121Abstract: A device for controlling a charging voltage, includes: a voltage drop unit configured to drop a voltage by a preset magnitude; a voltage comparison unit configured to compare a charging voltage of a battery with a first reference voltage and to output a path selection signal through an output terminal; a first path configured to connect the battery to a charging power supply; a second path configured to connect the battery to the charging power supply, with the voltage drop unit being interposed between the battery and the charging power supply; and a path selector configured to select one from the first path and the second path according to the path selection signal.Type: ApplicationFiled: June 16, 2015Publication date: September 8, 2016Inventors: Woon-Seong Baek, Kwan-Il Oh, Buang-Ho Park, Se-Jin Ji, Hyeon-Cheol Jeong, Sang-Kyou Kim
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Patent number: 9387775Abstract: A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value.Type: GrantFiled: April 2, 2015Date of Patent: July 12, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Se-Jin Ji, Sang-Kyou Kim, Hyeon-Cheol Jeong
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Publication number: 20160059704Abstract: An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a break period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the break period.Type: ApplicationFiled: September 2, 2015Publication date: March 3, 2016Inventors: Hyeon-Cheol Jeong, Sang-Kyou Kim, Se-Jin Ji, Woon-Seong Baek
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Publication number: 20150283919Abstract: A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value.Type: ApplicationFiled: April 2, 2015Publication date: October 8, 2015Inventors: Woon-Seong BAEK, Se-Jin Ji, Sang_Kyou Kim, Hyeon-Cheol Jeong