Patents by Inventor Kyung-Chun Lee
Kyung-Chun Lee 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: 20240140191Abstract: The present disclosure provides a sealing device and an in-wheel motor including the sealing device. The in-wheel motor includes a stator, a rotor rotatably disposed with respect to the stator, an annular inner seal connected to the stator and spaced apart from the rotor by a predetermined gap so as to be disposed between the stator and the rotor, and an annular slinger coupled to an end portion of the rotor, wherein the annular inner seal seals between the slinger and the in-wheel motor.Type: ApplicationFiled: May 1, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ki Tack Lim, Jae Young Jeun, Jeong Uk An, Kyung Ku Yeo, Kam Chun Lee, Yong Gyu Lee, Sung Min Hong, Hong Wook Lee, Kyung Jun Lee
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Patent number: 10447437Abstract: A method for assigning a single frequency sub-channel to a plurality of MSs (Mobile Stations) in an OFDM (Orthogonal Frequency Division Multiplexing) system utilizing SDM (Spatial Division Multiplexing) with multiple transmit/receive antennas. In the method, a BS (Base Station) can effectively assign a pilot channel to estimate a downlink channel. The BS divides the single frequency sub-channel into a plurality of spatial channels, and sequentially assigns the plurality of spatial channels to the MSs having the maximum communication capacity, thereby transmitting signals of the MSs through the single frequency sub-channel.Type: GrantFiled: November 26, 2007Date of Patent: October 15, 2019Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology (KAIST)Inventors: Eung-Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Joo-Hwan Chun, Kyung-Chun Lee, Il-Han Kim
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Patent number: 10285641Abstract: A vital signal measuring watch is provided, the vital signal measuring watch including a watch module having a shape of a wrist watch, wherein the watch module includes a device receiving portion at one side of the watch module and a communication port in the device receiving portion; and a vital signal sensor connected to or disconnected from the device receiving portion, connected to the communication port when being connected to the device receiving portion, and configured to transmit biometric data obtained by measuring vital signals to the communication port, wherein the vital signal sensor is configured to generate an interrupt plug-in event to transmit the event to the watch module when being connected to the communication port, and the watch module is configured to count a number of interrupts of the transmitted interrupt plug-in event, automatically recognize a communication protocol supported by the vital signal sensor according to the number of interrupts, and dynamically activate a communication iType: GrantFiled: March 26, 2014Date of Patent: May 14, 2019Assignee: Kyungpook National University Industry-Academic Cooperation FoundationInventors: Soon Ju Kang, Cheol Soo Ahn, Kyung Chun Lee, Yu Jin Park
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Patent number: 10136389Abstract: The present invention relates to a heath care system having proximity-based neighbor device wake-up and automatic user identification function, a method for automatic logging of user's daily activity history, and a method for managing a user activity pattern, and the system comprises: a health or wellness service unit; and an user terminal. The health or wellness service unit transmits a wake-up signal for changing a state of the user terminal from a sleep state into a wake-up state, a low frequency (LF) signal for identifying a physical distance and direction between the health or wellness service unit and the user terminal, and a measured biological signal of a measuring object. The user terminal receives the biological signal, the wake-up signal, and the LF signal through bidirectional wireless communication with the health or wellness service unit, and transmits a terminal identification (ID) and a received signal strength indication (RSSI) corresponding to the received LF signal.Type: GrantFiled: February 6, 2017Date of Patent: November 20, 2018Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Soon Ju Kang, Sang Ho Jun, Kyung Chun Lee, Ki Eun Seong, Hyeong Gon Jo, Jae Hee Seo, Cheol Soo Ahn, Seong Wook Han
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Patent number: 10054595Abstract: The present invention relates to a blood sugar managing watch and a blood sugar managing method. The blood sugar managing watch comprises: a housing having a wrist watch shape; a blood sugar strip connector installed on a side of the housing such that a blood sugar strip is to be connected thereto; and a blood sugar meter that is embedded in the housing and automatically activates a blood sugar measurement task to measure the blood sugar of blood on the blood sugar strip when the blood sugar strip is connected to the blood sugar strip connector.Type: GrantFiled: September 19, 2014Date of Patent: August 21, 2018Assignee: ILBS CO., LTD.Inventors: Soon Ju Kang, Kyung Chun Lee, Sung Hwa Hong
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Publication number: 20170150446Abstract: The present invention relates to a heath care system having proximity-based neighbor device wake-up and automatic user identification function, a method for automatic logging of user's daily activity history, and a method for managing a user activity pattern, and the system comprises: a health or wellness service unit; and an user terminal. The health or wellness service unit transmits a wake-up signal for changing a state of the user terminal from a sleep state into a wake-up state, a low frequency (LF) signal for identifying a physical distance and direction between the health or wellness service unit and the user terminal, and a measured biological signal of a measuring object. The user terminal receives the biological signal, the wake-up signal, and the LF signal through bidirectional wireless communication with the health or wellness service unit, and transmits a terminal identification (ID) and a received signal strength indication (RSSI) corresponding to the received LF signal.Type: ApplicationFiled: February 6, 2017Publication date: May 25, 2017Inventors: Soon Ju KANG, Sang Ho JUN, Kyung Chun LEE, Ki Eun SEONG, Hyeong Gon JO, Jae Hee SEO, Cheol Soo AHN, Seong Wook HAN
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Patent number: 9602952Abstract: The present invention relates to a heath care system having proximity-based neighbor device wake-up and automatic user identification function, a method for automatic logging of user's daily activity history, and a method for managing a user activity pattern, and the system comprises: a health or wellness service unit; and an user terminal. The health or wellness service unit transmits a wake-up signal for changing a state of the user terminal from a sleep state into a wake-up state, a low frequency (LF) signal for identifying a physical distance and direction between the health or wellness service unit and the user terminal, and a measured biological signal of a measuring object. The user terminal receives the biological signal, the wake-up signal, and the LF signal through bidirectional wireless communication with the health or wellness service unit, and transmits a terminal identification (ID) and a received signal strength indication (RSSI) corresponding to the received LF signal.Type: GrantFiled: October 18, 2013Date of Patent: March 21, 2017Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Soon Ju Kang, Sang Ho Jun, Kyung Chun Lee, Ki Eun Seong, Hyeong Gon Jo, Jae Hee Seo, Cheol Soo Ahn, Seong Wook Han
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Publication number: 20160231325Abstract: The present invention relates to a blood sugar managing watch and a blood sugar managing method. The blood sugar managing watch comprises: a housing having a wrist watch shape; a blood sugar strip connector installed on a side of the housing such that a blood sugar strip is to be connected thereto; and a blood sugar meter that is embedded in the housing and automatically activates a blood sugar measurement task to measure the blood sugar of blood on the blood sugar strip when the blood sugar strip is connected to the blood sugar strip connector.Type: ApplicationFiled: September 19, 2014Publication date: August 11, 2016Applicant: iLBS Co., Ltd.Inventors: Soon Ju KANG, Kyung Chun LEE, Sung Hwa HONG
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Publication number: 20160183029Abstract: The present invention relates to a heath care system having proximity-based neighbor device wake-up and automatic user identification function, a method for automatic logging of user's daily activity history, and a method for managing a user activity pattern, and the system comprises: a health or wellness service unit; and an user terminal. The health or wellness service unit transmits a wake-up signal for changing a state of the user terminal from a sleep state into a wake-up state, a low frequency (LF) signal for identifying a physical distance and direction between the health or wellness service unit and the user terminal, and a measured biological signal of a measuring object. The user terminal receives the biological signal, the wake-up signal, and the LF signal through bidirectional wireless communication with the health or wellness service unit, and transmits a terminal identification (ID) and a received signal strength indication (RSSI) corresponding to the received LF signal.Type: ApplicationFiled: October 18, 2013Publication date: June 23, 2016Inventors: Soon Ju KANG, Sang Ho JUN, Kyung Chun LEE, Ki Eun SEONG, Hyeong Gon JO, Jae Hee SEO, Cheol Soo AHN, Seong Wook HAN
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Publication number: 20160051192Abstract: A vital signal measuring watch is provided, the vital signal measuring watch including a watch module having a shape of a wrist watch, wherein the watch module includes a device receiving portion at one side of the watch module and a communication port in the device receiving portion; and a vital signal sensor connected to or disconnected from the device receiving portion, connected to the communication port when being connected to the device receiving portion, and configured to transmit biometric data obtained by measuring vital signals to the communication port, wherein the vital signal sensor is configured to generate an interrupt plug-in event to transmit the event to the watch module when being connected to the communication port, and the watch module is configured to count a number of interrupts of the transmitted interrupt plug-in event, automatically recognize a communication protocol supported by the vital signal sensor according to the number of interrupts, and dynamically activate a communication iType: ApplicationFiled: March 26, 2014Publication date: February 25, 2016Applicant: Kyungpook National University Industry-Academic Cooperation FoundationInventors: Soon Ju KANG, Cheol Soo AHN, Kyung Chun LEE, Yu Jin PARK
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Patent number: 8565785Abstract: A method is provided for transmitting inter-cell interference information by a serving Evolved Node B (ENB) in a communication system. The method includes, if a specific resource is allocated to a User Equipment (UE) located in a service region of the serving ENB, checking a location of the UE in the service region; setting a High Interference Sensitivity (HIS) of the UE depending on the result of the checking; determining a location of the UE in an adjacent cell of the service region; setting a High Interference Transmission (HIT) of the UE depending on the determination result; and transmitting a High Interference Indicator (HII) for the specific resource, which includes the HIS and the HIT, to the adjacent cell.Type: GrantFiled: February 9, 2011Date of Patent: October 22, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-Chun Lee, Sung-Oh Kwon, Neung-Hyung Lee
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Patent number: 8559484Abstract: A method and apparatus for cooperative relaying based on beamforming in a mobile communication system. In a method of cooperative relaying based on beamforming in a mobile communication system, a signal received from a transmitting terminal is decoded by a relay station to determine whether a decoding error occurs. The relay station then acquires a beamforming weight corresponding to decoding error information, if the decoding error occurs. The relay station then applies the beamforming weight to the signal received from the transmitting terminal, and transmits the signal.Type: GrantFiled: February 9, 2010Date of Patent: October 15, 2013Assignee: Samsung Electronics Co., LtdInventor: Kyung-Chun Lee
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Patent number: 8412256Abstract: An inter-cell interference coordination method and apparatus is provided for mitigating inter-cell interference in a wireless communication system by using interference coordination information exchanged among neighbor base stations. The method includes receiving, at a serving base station, power control messages transmitted by neighbor base stations, receiving incoming interference coordination messages transmitted by neighbor base stations, each message including interference indicators of resource blocks, allocating the resource blocks with transmission power per resource block to user equipments served by the base station based on the power control and interference coordination messages, generating outgoing interference coordination messages for the respective neighbor base stations based on the resource block allocation result, and transmitting the interference coordination messages to the neighbor base stations, respectively.Type: GrantFiled: April 20, 2010Date of Patent: April 2, 2013Assignee: Samsung Electronics Co., LtdInventors: Neung Hyung Lee, Sung Oh Kwon, Jong In Kim, Ho Sun Youm, Kyung Chun Lee
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Patent number: 8126033Abstract: An apparatus and method for supporting relaying in a wireless communication system are provided. The apparatus and method include a transmitting apparatus which acquires channel information between the transmitting apparatus and an RS, pre-encodes a transmission signal to be transmitted to the RS with the channel information, transmits the pre-coded signal to the RS, and acquires, upon receipt of a signal from the RS, a signal transmitted by a receiving apparatus by eliminating the transmission signal transmitted to the RS from the received signal. Accordingly, the apparatus and method improve system capacity gain without adding time resources.Type: GrantFiled: November 28, 2007Date of Patent: February 28, 2012Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Young-Ho Jung, Yu-Seok Kim, Hyun-Jong Yang, Kyung-Chun Lee, Joo-Hwan Chun
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Publication number: 20110195724Abstract: A method is provided for transmitting inter-cell interference information by a serving Evolved Node B (ENB) in a communication system. The method includes, if a specific resource is allocated to a User Equipment (UE) located in a service region of the serving ENB, checking a location of the UE in the service region; setting a High Interference Sensitivity (HIS) of the UE depending on the result of the checking; determining a location of the UE in an adjacent cell of the service region; setting a High Interference Transmission (HIT) of the UE depending on the determination result; and transmitting a High Interference Indicator (HII) for the specific resource, which includes the HIS and the HIT, to the adjacent cell.Type: ApplicationFiled: February 9, 2011Publication date: August 11, 2011Inventors: Kyung-Chun LEE, Sung-Oh Kwon, Neung-Hyung Lee
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Publication number: 20100267408Abstract: An inter-cell interference coordination method and apparatus is provided for mitigating inter-cell interference in a wireless communication system by using interference coordination information exchanged among neighbor base stations. The method includes receiving, at a serving base station, power control messages transmitted by neighbor base stations, receiving incoming interference coordination messages transmitted by neighbor base stations, each message including interference indicators of resource blocks, allocating the resource blocks with transmission power per resource block to user equipments served by the base station based on the power control and interference coordination messages, generating outgoing interference coordination messages for the respective neighbor base stations based on the resource block allocation result, and transmitting the interference coordination messages to the neighbor base stations, respectively.Type: ApplicationFiled: April 20, 2010Publication date: October 21, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Neung Hyung Lee, Sung Oh Kwon, Jong In Kim, Ho Sun Youm, Kyung Chun Lee
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Publication number: 20100202497Abstract: A method and apparatus for cooperative relaying based on beamforming in a mobile communication system. In a method of cooperative relaying based on beamforming in a mobile communication system, a signal received from a transmitting terminal is decoded by a relay station to determine whether a decoding error occurs. The relay station then acquires a beamforming weight corresponding to decoding error information, if the decoding error occurs. The relay station then applies the beamforming weight to the signal received from the transmitting terminal, and transmits the signal.Type: ApplicationFiled: February 9, 2010Publication date: August 12, 2010Applicant: Samsung Electronics Co., Ltd.Inventor: Kyung-Chun Lee
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Patent number: 7706351Abstract: Disclosed is a method for transmitting an uplink signal by a mobile station in a mobile communication system using an OFDMA scheme. The method includes estimating a downlink channel status by using a signal received from a base station; determining a precoding matrix by using the estimated downlink channel status; and transmitting a signal obtained by multiplying an uplink signal to be transmitted by the precoding matrix to the base station.Type: GrantFiled: February 7, 2007Date of Patent: April 27, 2010Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Cheol-Woo You, Eung-Sun Kim, Jong-Hyeuk Lee, Joo-Hwan Chun, Kyung-Chun Lee, Yung-Soo Kim
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Patent number: 7483719Abstract: Disclosed is a method for configuring transmission antenna groups in a mobile communication system with multiple transmission antennas and multiple reception antennas. The method includes the steps of: receiving a first matrix having a size of ‘Nt×Nt’, which corresponds to Nt number of transmission antennas, fedback from the mobile terminal, generating combinations of sub-matrixes of the first matrix corresponding to Nr number of reception antennas, and calculating sums of maximum eigenvalues; determining combinations of the sub-matrixes having a maximum value from among the calculated sums of eigenvalues to be transmission antenna groups for the Nt number of transmission antennas; and transmitting different relevant symbols from each other through the transmission antenna groups.Type: GrantFiled: November 15, 2004Date of Patent: January 27, 2009Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Eung-Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Joo-Hwan Chun, Kyung-Chun Lee, Il-Han Kim
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Publication number: 20080137764Abstract: A method for assigning a single frequency sub-channel to a plurality of MSs (Mobile Stations) in an OFDM (Orthogonal Frequency Division Multiplexing) system utilizing SDM (Spatial Division Multiplexing) with multiple transmit/receive antennas. In the method, a BS (Base Station) can effectively assign a pilot channel to estimate a downlink channel. The BS divides the single frequency sub-channel into a plurality of spatial channels, and sequentially assigns the plurality of spatial channels to the MSs having the maximum communication capacity, thereby transmitting signals of the MSs through the single frequency sub-channel.Type: ApplicationFiled: November 26, 2007Publication date: June 12, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eung-Sun KIM, Jong-Hyeuk LEE, Jae-Hak CHUNG, Ho-Jin KIM, Joo-Hwan CHUN, Kyung-Chun LEE, Il-Han KIM