Patents by Inventor Jang Su Lee
Jang Su 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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Patent number: 11963273Abstract: The present embodiment relates to a communication protocol between an MCU and an LED driving circuit for LED driving. The MCU may define and use an SPI protocol including ID setting, a command, configuration data, etc.Type: GrantFiled: October 26, 2022Date of Patent: April 16, 2024Assignee: LX SEMICON CO., LTD.Inventors: Sang Suk Kim, Jang Su Kim, Jong Min Lee
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Patent number: 11922880Abstract: A current supply circuit according to the present disclosure may include a voltage/current converter configured to convert, into a data current, a data voltage received from a data driving circuit and a first current mirror circuit configured to mirror the data current so that a light-emitting diode (LED) current flows into an LED array. The data current may be adjusted based on a greyscale value of the LED array.Type: GrantFiled: November 22, 2022Date of Patent: March 5, 2024Assignee: LX SEMICON CO., LTD.Inventors: Jong Min Lee, Kyeong Rok Lee, Sang Suk Kim, Jang Su Kim
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Patent number: 10491409Abstract: Provided are methods of operating a gateway and a server, performing an intelligent negotiation in an Internet of Things (IoT) network. According to an example embodiment, a method of operating the gateway of an IoT system includes receiving status information from at least one of a plurality of end devices included in a local network, determining whether to start a negotiation based on a status of the local network that is analyzed based on the status information, transmitting a negotiation request to an external device, receiving a suggestion corresponding to the negotiation request from the external device, and transmitting a reply indicating whether to accept the suggestion to the external device.Type: GrantFiled: January 2, 2018Date of Patent: November 26, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jang-su Lee, Wook Choi, Jung-won Kim, Soo-yong Lee, Chang-keun Im
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Patent number: 10447574Abstract: A method, apparatus and/or system of selecting a routing in an asymmetric link, in which an arbitrary intermediate node of the at least one intermediate node receives routing request information including a first link quality for a path from the source node to the arbitrary neighbor node from an arbitrary neighbor node of the arbitrary intermediate node, acquires a second link quality for a path between the arbitrary intermediate node and the arbitrary neighbor node, acquires a third link quality based on the first and second link qualities, updates the first link quality in the routing request information with the third link quality, and broadcasts an updated routing request information to other neighbor node for the destination node to determine at least one of a desirable forward path or a desirable backward path from the source node to the destination node, may be provided.Type: GrantFiled: December 8, 2016Date of Patent: October 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Qiang Gao, Ying Huang, Hong Li Ge, Jang-su Lee, Lun Wang
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Patent number: 10178974Abstract: A method and system for monitoring a biomedical signal employ a sensor module configured to output a continuous electrical signal by sensing the biomedical signal, a memory configured to store reference data, a transmitter configured to transmit output data via a wireless channel, and a data processing unit configured to determine whether to transmit input data via the transmitter as the output data, based on the input data, which is generated from the continuous electrical signal, and the reference data.Type: GrantFiled: November 16, 2016Date of Patent: January 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Ihor Vasyltsov, Seung-Hwan Lee, Jae-Yong Park, Jang-Su Lee, Ji-Su Kim, Seung-Jin Kim, Jun-Yeon Lee
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Publication number: 20180212787Abstract: Provided are methods of operating a gateway and a server, performing an intelligent negotiation in an Internet of Things (IoT) network. According to an example embodiment, a method of operating the gateway of an IoT system includes receiving status information from at least one of a plurality of end devices included in a local network, determining whether to start a negotiation based on a status of the local network that is analyzed based on the status information, transmitting a negotiation request to an external device, receiving a suggestion corresponding to the negotiation request from the external device, and transmitting a reply indicating whether to accept the suggestion to the external device.Type: ApplicationFiled: January 2, 2018Publication date: July 26, 2018Inventors: Jang-su Lee, Wook Choi, Jung-won Kim, Soo-yong Lee, Chang-keun Im
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Publication number: 20170207995Abstract: A method, apparatus and/or system of selecting a routing in an asymmetric link, in which an arbitrary intermediate node of the at least one intermediate node receives routing request information including a first link quality for a path from the source node to the arbitrary neighbor node from an arbitrary neighbor node of the arbitrary intermediate node, acquires a second link quality for a path between the arbitrary intermediate node and the arbitrary neighbor node, acquires a third link quality based on the first and second link qualities, updates the first link quality in the routing request information with the third link quality, and broadcasts an updated routing request information to other neighbor node for the destination node to determine at least one of a desirable forward path or a desirable backward path from the source node to the destination node, may be provided.Type: ApplicationFiled: December 8, 2016Publication date: July 20, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: QIANG GAO, Ying HUANG, Hong Li GE, Jang-su LEE, Lun WANG
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Publication number: 20170164907Abstract: A method and system for monitoring a biomedical signal employ a sensor module configured to output a continuous electrical signal by sensing the biomedical signal, a memory configured to store reference data, a transmitter configured to transmit output data via a wireless channel, and a data processing unit configured to determine whether to transmit input data via the transmitter as the output data, based on the input data, which is generated from the continuous electrical signal, and the reference data.Type: ApplicationFiled: November 16, 2016Publication date: June 15, 2017Inventors: IHOR VASYLTSOV, SEUNG-HWAN LEE, JAE-YONG PARK, JANG-SU LEE, JI-SU KIM, SEUNG-JIN KIM, JUN-YEON LEE
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Patent number: 9447738Abstract: A method for controlling a variable valve lift apparatus includes: measuring an operation mode switching condition; determining whether the variable valve lift apparatus is in a normal operation condition; controlling the operation of the variable valve lift apparatus depending on a predetermined normal valve lift switching map; determining whether the variable valve lift apparatus is in a mode switching delay or switching disable condition from a high lift mode to a low lift mode or whether the variable valve lift apparatus is in the mode switching delay or switching disable condition from the low lift mode to the high lift mode; controlling the operation of the variable valve lift apparatus depending on a predetermined low oil temperature valve lift switching map; and controlling the operation of the variable valve lift apparatus depending on a predetermined high oil temperature valve lift switching map.Type: GrantFiled: December 30, 2013Date of Patent: September 20, 2016Assignee: Hyundai Motor CompanyInventors: Jang Su Lee, Jun Yu, Keun Sang Kim, Hyeungwoo Lee
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Publication number: 20160108822Abstract: A cylinder deactivation apparatus of an engine is configured to selectively deactivate at least one of a plurality of cylinders in accordance with operation states of an engine. The cylinders are configured to receive intake air from an intake manifold. The apparatus includes: at least one deactivation intake port having first and second ends. The first end communicates with the intake manifold. An intake channel connects the second end of the deactivation intake port to the at least one of the cylinders that is selectively deactivated. A deactivation throttle valve is disposed in the deactivation intake port and configured to selectively open or close the deactivation intake port. A controller is configured to control an operation of the deactivation throttle valve such that intake air is selectively supplied to the at least one of the cylinders.Type: ApplicationFiled: October 16, 2015Publication date: April 21, 2016Inventors: Hyoung Hyoun KIM, Jang Su LEE, Youngho KIM, Jong Man JUN
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Publication number: 20150114375Abstract: A method for controlling a variable valve lift apparatus includes: measuring an operation mode switching condition; determining whether the variable valve lift apparatus is in a normal operation condition; controlling the operation of the variable valve lift apparatus depending on a predetermined normal valve lift switching map; determining whether the variable valve lift apparatus is in a mode switching delay or switching disable condition from a high lift mode to a low lift mode or whether the variable valve lift apparatus is in the mode switching delay or switching disable condition from the low lift mode to the high lift mode; controlling the operation of the variable valve lift apparatus depending on a predetermined low oil temperature valve lift switching map; and controlling the operation of the variable valve lift apparatus depending on a predetermined high oil temperature valve lift switching map.Type: ApplicationFiled: December 30, 2013Publication date: April 30, 2015Applicant: Hyundai Motor CompanyInventors: Jang Su LEE, Jun YU, Keun Sang KIM, Hyeungwoo LEE
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Patent number: 8265604Abstract: The present invention provides a mobile phone including a memory unit for storing at least one phone number, search information representing specific search conditions corresponding to the phone number, and a plurality of recorded data; and a control unit for extracting search information corresponding to the phone number of a communication counterpart, searching for recorded data satisfying a search condition included in the search information from among the plurality of recorded data using the extracted search information, and outputting the searched recorded data when a call terminating or originating service operation for telephone communication is requested. According to the present invention, a user can refer to recorded data related to a communication counterpart while using call terminating or originating call services for telephone communication so that the user can more efficiently communicate with the counterpart.Type: GrantFiled: January 25, 2007Date of Patent: September 11, 2012Assignee: LG Electronics Inc.Inventor: Jang Su Lee
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Publication number: 20070190986Abstract: The present invention provides a mobile phone including a memory unit for storing at least one phone number, search information representing specific search conditions corresponding to the phone number, and a plurality of recorded data; and a control unit for extracting search information corresponding to the phone number of a communication counterpart, searching for recorded data satisfying a search condition included in the search information from among the plurality of recorded data using the extracted search information, and outputting the searched recorded data when a call terminating or originating service operation for telephone communication is requested. According to the present invention, a user can refer to recorded data related to a communication counterpart while using call terminating or originating call services for telephone communication so that the user can more efficiently communicate with the counterpart.Type: ApplicationFiled: January 25, 2007Publication date: August 16, 2007Inventor: Jang Su Lee
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Patent number: D1021834Type: GrantFiled: May 28, 2021Date of Patent: April 9, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Jang-Ho Kim, Seung-Ho Lee, Ji-Gwang Kim, Sang-Young Lee, Jin-Su Park