Patents by Inventor Tae Woo HA
Tae Woo HA 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: 20240178760Abstract: An embodiment voltage converter includes a DC-DC converter and a controller. The DC-DC converter includes a transformer, a main switch connected to an input terminal and the transformer, and first and second synchronous rectification switches connected to an output terminal and the transformer, and the controller is configured to switch the main switch so that the DC-DC converter adjusts a voltage of the input terminal and outputs the voltage to the output terminal and to complementarily switch the first and second synchronous rectification switches without dead time.Type: ApplicationFiled: March 9, 2023Publication date: May 30, 2024Inventors: Jun Young Lee, Byung Gu Kang, Dae Woo Lee, Tae Jong Ha
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Publication number: 20240167820Abstract: An embodiment method of recognizing a parking floor for a vehicle includes recognizing a spot at which the vehicle enters a parking deck, obtaining an inclination signal indicating an inclination trajectory of the vehicle traveling during a parking period from entry to the parking deck to parking, obtaining an inclination pulse of the inclination signal based on a reference inclination value, and determining a floor number of the parking deck on which the vehicle is parked using the inclination pulse.Type: ApplicationFiled: June 6, 2023Publication date: May 23, 2024Inventors: Tae Young Heo, Nam Chung Paik, Kyu Nam Choi, Ja Ho Koo, Jung Eun Lee, Seung Eun Kim, Seung Woo Ha
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Publication number: 20240162824Abstract: An embodiment vehicle includes a DC/DC converter having a first power terminal connected to a first electrode of a first battery, a second power terminal connected to a first electrode of a second battery, and a load terminal connected to a first end of an electric load, and including a switching circuit, a transformer, and a rectifier circuit, and a controller configured to set an operation mode of the DC/DC converter to a low-voltage DC/DC converter (LDC) mode or a state-of-charge (SOC) balancing mode, wherein the DC/DC converter is configured to step down a voltage of the first power terminal through the switching circuit, the transformer, and the rectifier circuit and output the voltage to the load terminal when the LDC mode is performed and to control power transfer between the first and second power terminals through the switching circuit when the SOC balancing mode is performed.Type: ApplicationFiled: April 14, 2023Publication date: May 16, 2024Inventors: Tae Jong Ha, Jun Young Lee, Dae Woo Lee, Byung Gu Kang
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Patent number: 11961903Abstract: A power semiconductor device includes a semiconductor layer of silicon carbide (SiC), at least one trench that extends in one direction, a gate insulating layer disposed on at least an inner wall of the at least one trench, at least one gate electrode layer disposed on the gate insulating layer, a drift region disposed in the semiconductor layer at least on one side of the at least one gate electrode layer, a well region disposed in the semiconductor layer to be deeper than the at least one gate electrode layer, a source region disposed in the well region, and at least one channel region disposed in the semiconductor layer of one side of the at least one gate electrode layer between the drift region and the source region.Type: GrantFiled: May 25, 2021Date of Patent: April 16, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Jeong Mok Ha, Hyuk Woo, Sin A Kim, Tae Youp Kim, Ju Hwan Lee, Min Gi Kang, Tae Yang Kim
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Publication number: 20240121948Abstract: A semiconductor device and a method of fabricating the same are provided. According to the present invention, a semiconductor device comprises an active region formed in a substrate, and including flat surfaces and hole-shaped recess portions; upper-level plugs disposed over the flat surfaces; a spacer disposed between the upper-level plugs and providing a trench exposing the hole-shaped recess portions; a lower-level plug filling the hole-shaped recess portions; and a buried conductive line disposed over the lower-level plug and partially filling the trench.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: Jae Man YOON, Jin Hwan JEON, Tae Kyun KIM, Jung Woo PARK, Su Ock CHUNG, Jae Won HA
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Publication number: 20240109365Abstract: Disclosed is a wheel structure including a first hub member, a plurality of spokes that are provided in a circumferential direction (C1) of the first hub member, protrude outward from the first hub member in an outward direction (R1) intersecting the circumferential direction (C1), and have sides coupled to the first hub member, guide parts to which the plurality of spokes are slidably coupled, and a second hub member to which sides of the guide parts are rotatably coupled, wherein the plurality of spokes include a rotation spoke rotatably coupled to the first hub member.Type: ApplicationFiled: April 13, 2023Publication date: April 4, 2024Inventors: Ji Woo Ha, Hun Keon Ko, Tae Yu Kim
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Publication number: 20240105378Abstract: A planar transformer and a converter including the same include a first core unit including a first receiving portion extending in a first direction; a second core unit spaced from the first core unit, disposed in parallel with the first core unit in a second direction thereof, and including a second receiving portion extending in the first direction; a first coil unit including a first through hole formed in a center portion thereof and a first coil pattern passing through the first receiving portion and the second receiving portion around the first through hole to form a turn; and a second coil unit including a second through hole formed in a center portion thereof and aligned with the first through hole in a third direction thereof, and a second coil pattern passing through the first receiving portion and the second receiving portion around the second through hole.Type: ApplicationFiled: January 19, 2023Publication date: March 28, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Dae Woo LEE, Sang Jin KIM, Tae Jong HA, Byung Gu KANG
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Publication number: 20240079456Abstract: A method of manufacturing a semiconductor device includes: forming a trench in an insulating interlayer by etching the insulating interlayer; forming a conductive layer on bottom, side, and upper surfaces of the insulating interlayer where the trench is formed, using a first deposition process, the conductive layer on the bottom surface of the trench being thicker than the conductive layer on the side surface of the trench; forming a sacrificial layer in the trench covering the conductive layer formed on the bottom surface of the trench using a second deposition process different from the first deposition process; selectively removing the conductive layer formed on the upper surface of the insulating interlayer and formed on the side surface of the trench left exposed through the sacrificial layer; and selectively removing the sacrificial layer, to form a conductive line using the conductive layer remaining on the bottom surface of the trench.Type: ApplicationFiled: January 10, 2023Publication date: March 7, 2024Applicant: SK hynix Inc.Inventors: Jae Man YOON, Jun Ki KIM, Tae Kyun KIM, Jung Woo PARK, Jae Won HA
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Patent number: 11296748Abstract: A method for registering customer premises equipment to provide an Internet service to the customer premises equipment by a network management apparatus of an access network structure, wherein the network management apparatus and the customer premises equipment are connected through a bundle cable including a plurality of lines in the access network structure, the method includes: transmitting a registration signal toward a customer premises equipment; receiving registration response signals transmitted from the customer premises equipment through the plurality of lines; analyzing the registration response signals introduced from the plurality of lines and distinguishing a direct signal transmitted through a properly connected line and interference signal from the registration response signals; and establishing a link with the customer premises equipment connected to the properly connected line.Type: GrantFiled: May 11, 2017Date of Patent: April 5, 2022Assignee: KT CORPORATIONInventors: Kyoung-Ju Lee, Jun Gu Lee, Gyeong Doo Kang, Nowook Park, Sang Chul Seo, Ha Sung Lee, Hyung-Jin Park, Kwangyeol Yoon, In-Taek Jeong, Jonghak Kim, Tae Woo Ha
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Patent number: 11063813Abstract: A method for configurating a transmission mode to provide an Internet service to a customer-premises equipment by an transmission mode configurating apparatus in an access network structure is provided. At least one network management equipment and at least one customer-premises equipment are connected through a bundle of cables including a plurality of transmission lines. The method includes determining the number of transmission lines connected to the customer-premises equipment; determining at least one of available transmission mode to provide depending on the number of transmission lines; if a plurality of available transmission modes are determined, calculating a transmission performance in each of the available transmission modes; and selecting the transmission mode with the highest performance among the plurality of the available transmission modes.Type: GrantFiled: June 12, 2017Date of Patent: July 13, 2021Assignee: KT CORPORATIONInventors: Kwangyeol Yoon, Jonghak Kim, Nowook Park, Hyung-Jin Park, Kyoung-Ju Lee, In-Taek Jeong, Tae Woo Ha
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Patent number: 10666317Abstract: Disclosed is a method for performing transmission frequency control for a subscriber line of a customer premise device by a transmission control apparatus in an access network structure in which at least one network management device and a plurality of customer premise devices are connected through a bundle cable including a plurality of subscriber lines. The transmission control method includes: setting a partial frequency band in an entire service frequency band provided by the subscriber line as a transmission frequency band of the customer premise device; and varying the transmission frequency band in the entire service frequency band when a triggering event occurs, in which traffic of the customer premise device is transmitted and received in the transmission frequency band.Type: GrantFiled: July 11, 2017Date of Patent: May 26, 2020Assignee: KT CORPORATIONInventors: Kwangyeol Yoon, Jonghak Kim, Nowook Park, Hyung-Jin Park, Kyoung-Ju Lee, In-Taek Jeong, Tae Woo Ha
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Publication number: 20190245579Abstract: Disclosed is a method for performing transmission frequency control for a subscriber line of a customer premise device by a transmission control apparatus in an access network structure in which at least one network management device and a plurality of customer premise devices are connected through a bundle cable including a plurality of subscriber lines. The transmission control method includes: setting a partial frequency band in an entire service frequency band provided by the subscriber line as a transmission frequency band of the customer premise device; and varying the transmission frequency band in the entire service frequency band when a triggering event occurs, in which traffic of the customer premise device is transmitted and received in the transmission frequency band.Type: ApplicationFiled: July 11, 2017Publication date: August 8, 2019Applicant: KT CORPORATIONInventors: Kwangyeol YOON, Jonghak KIM, Nowook PARK, Hyung-Jin PARK, Kyoung-Ju LEE, In-Taek JEONG, Tae Woo HA
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Publication number: 20190238392Abstract: A method for configurating a transmission mode to provide an Internet service to a customer-premises equipment by an transmission mode configurating apparatus in an access network structure is provided. At least one network management equipment and at least one customer-premises equipment are connected through a bundle of cables including a plurality of transmission lines. The method includes determining the number of transmission lines connected to the customer-premises equipment; determining at least one of available transmission mode to provide depending on the number of transmission lines; if a plurality of available transmission modes are determined, calculating a transmission performance in each of the available transmission modes; and selecting the transmission mode with the highest performance among the plurality of the available transmission modes.Type: ApplicationFiled: June 12, 2017Publication date: August 1, 2019Applicant: KT CORPORATIONInventors: Kwangyeol YOON, Jonghak KIM, Nowook PARK, Hyung-Jin PARK, Kyoung-Ju LEE, In-Taek JEONG, Tae Woo HA
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Publication number: 20190207647Abstract: A method for registering customer premises equipment to provide an Internet service to the customer premises equipment by a network management apparatus of an access network structure, wherein the network management apparatus and the customer premises equipment are connected through a bundle cable including a plurality of lines in the access network structure, the method includes: transmitting a registration signal toward a customer premises equipment; receiving registration response signals transmitted from the customer premises equipment through the plurality of lines; analyzing the registration response signals introduced from the plurality of lines and distinguishing a direct signal transmitted through a properly connected line and interference signal from the registration response signals; and establishing a link with the customer premises equipment connected to the properly connected line.Type: ApplicationFiled: May 11, 2017Publication date: July 4, 2019Applicant: KT CORPORATIONInventors: Kyoung-Ju LEE, Jun Gu LEE, Gyeong Doo KANG, Nowook PARK, Sang Chul SEO, Ha Sung LEE, Hyung-Jin PARK, Kwangyeol YOON, In-Taek JEONG, Jonghak KIM, Tae Woo HA