Patents by Inventor Sang Yeoun Lee
Sang Yeoun 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: 20230236301Abstract: There is provided a method performed by a system for obtaining a relative location of an anchor-free UWB-based node. The method includes obtaining relative distances between a plurality of nodes based on UWB sensor values between the nodes, constructing a relative coordinate system having a center node of the plurality of nodes as a base, and calculating coordinate values of other nodes in the relative coordinate system. The constructing of the relative coordinate system having the center node of the plurality of nodes as a base includes constructing the relative coordinate system based on a relative distance between the center node and another node and absolute values of y axis values.Type: ApplicationFiled: June 21, 2022Publication date: July 27, 2023Inventors: Ji Hun JEON, Sang Yeoun LEE, Jun Hee PARK, Kang Bok LEE, Soo Young JANG, Min Gi JEONG
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Publication number: 20230047587Abstract: Disclosed herein are an apparatus and a method for estimating the behavior of a user based on an image converted from sensing data. The apparatus for estimating the behavior of a user based on an image converted from sensing data includes memory for storing at least one program, and a processor for executing the program, wherein the program performs acquiring sensing data measured by one or more behavior measurement devices worn by the user, converting sensing data of the user obtained for a predetermined time period into images, and estimating the behavior of the user from the images of the user based on a pre-trained model.Type: ApplicationFiled: November 1, 2021Publication date: February 16, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Min-Gi JEONG, Kang-Bok LEE, Sang-Yeoun LEE, Ji-Hun JEON
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Publication number: 20220225069Abstract: Provided is a Bluetooth Low Energy (BLE) communication module that supports a dynamic multi-link to configure a wireless ad hoc network. The BLE communication module includes a master configured to scan an advertising message transmitted from a slave of another BLE communication module and a slave connected to the master through an internal interface and configured to receive a scan message transmitted from a master of the other BLE communication module and transmit an advertising message corresponding to the scan message. Each of the master and the slave has a predetermined multi-port and a routing table for processing transmitted or received data.Type: ApplicationFiled: December 29, 2021Publication date: July 14, 2022Inventors: Sang Yeoun LEE, Myung Eun KIM, Ji Hun JEON
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Patent number: 11113944Abstract: A walking analysis method includes measuring impacts due to floor landing occurring during walking; identifying an impact section before floor landing, a free fall section, and an impact peak section by floor landing in an impact graph over time; analyzing at least one impact-related parameter for the impact section before floor landing, the free fall section, and the impact peak section by floor landing; and determining a walking-related accident type according to a result of analyzing the at least one impact-related parameter. Accordingly, by classifying and detecting a variety of accidents that may actually occur, the main walking characteristics that are dangerous in the actual accident can be extracted.Type: GrantFiled: November 19, 2019Date of Patent: September 7, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Min Gi Jeong, Jeong Kyun Kim, Myung Nam Bae, Kang Bok Lee, Sang Yeoun Lee
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Publication number: 20210090418Abstract: A walking analysis method includes measuring impacts due to floor landing occurring during walking; identifying an impact section before floor landing, a free fall section, and an impact peak section by floor landing in an impact graph over time; analyzing at least one impact-related parameter for the impact section before floor landing, the free fall section, and the impact peak section by floor landing; and determining a walking-related accident type according to a result of analyzing the at least one impact-related parameter. Accordingly, by classifying and detecting a variety of accidents that may actually occur, the main walking characteristics that are dangerous in the actual accident can be extracted.Type: ApplicationFiled: November 19, 2019Publication date: March 25, 2021Inventors: Min Gi JEONG, Jeong Kyun KIM, Myung Nam BAE, Kang Bok LEE, Sang Yeoun LEE
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Patent number: 10341930Abstract: A mobile ad-hoc routing apparatus includes a first communication module and a second communication module configured to transmit and receive data through a first communication band and a second communication band, respectively, a memory configured to store a program for transmitting and receiving the data, and a processor configured to execute the program stored in the memory, wherein when the program is executed, the processor receives first control information broadcast by one or more neighboring nodes via the first communication module and stores the first control information in the memory, wherein the first control information includes current position and communication status information of the neighboring node, the processor updates information on the neighboring node on the basis of the first control information, generates packet forwarding information which includes information on a node which currently allows packet data to be transmitted based on the updated information on the neighboring node, andType: GrantFiled: November 23, 2016Date of Patent: July 2, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Myung eun Kim, Tae Joon Park, Sun Jin Kim, Jong Hyun Park, Hyo Chan Bang, Myung Nam Bae, Dong Beom Shin, Hoe Sung Yang, Kang Bok Lee, Sang Yeoun Lee, Hye Sun Lee, Jin Chul Choi, Sang Gi Hong
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Patent number: 10229566Abstract: An operation method of a first apparatus for supporting disaster communications includes obtaining map information of a disaster area from a server; obtaining information on a location of the first apparatus, and obtaining environmental condition information of the first apparatus indicating a risk of an area to which the first apparatus belongs; obtaining information on a location and environmental condition information of a second apparatus located in the disaster area from the second apparatus; determining a disaster risk level indicating a risk level for each location in the disaster area based on the location and environmental condition information of the first apparatus and the location and environmental condition information of the second apparatus; and updating the map information by reflecting the disaster risk level.Type: GrantFiled: November 21, 2017Date of Patent: March 12, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hye Sun Lee, Myung Nam Bae, Sang Gi Hong, Hyo Chan Bang, Kang Bok Lee, Dong Beom Shin, Sang Yeoun Lee, Kyo Hoon Son, Hoe Sung Yang, Jin Chul Choi
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Publication number: 20180165929Abstract: An operation method of a first apparatus for supporting disaster communications includes obtaining map information of a disaster area from a server; obtaining information on a location of the first apparatus, and obtaining environmental condition information of the first apparatus indicating a risk of an area to which the first apparatus belongs; obtaining information on a location and environmental condition information of a second apparatus located in the disaster area from the second apparatus; determining a disaster risk level indicating a risk level for each location in the disaster area based on the location and environmental condition information of the first apparatus and the location and environmental condition information of the second apparatus; and updating the map information by reflecting the disaster risk level.Type: ApplicationFiled: November 21, 2017Publication date: June 14, 2018Inventors: Hye Sun Lee, Myung Nam Bae, Sang Gi Hong, Hyo Chan Bang, Kang Bok Lee, Dong Beom Shin, Sang Yeoun Lee, Kyo Hoon Son, Hoe Sung Yang, Jin Chul Choi
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Patent number: 9954401Abstract: A wireless power transmitting apparatus converts rotational energy of an axle to electrical energy, transfers the electrical energy to a transmitting coil of the wireless power transmitting apparatus through a power transfer connection pin that connects the inside of the wheel and the outside of the wheel of a vehicle, and wirelessly transmits the electrical energy to the sensor using resonance between a transmitting coil of the wireless power transmitting apparatus and a receiving coil of the sensor in order to use it as a driving power source of a sensor that detects a state of a tire.Type: GrantFiled: March 31, 2016Date of Patent: April 24, 2018Assignee: Electronics and Telecommunications Research InstituteInventors: Hoe-Sung Yang, Kang Bok Lee, Sang Yeoun Lee
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Publication number: 20170273004Abstract: Provided are an apparatus and method for performing routing for multi-hop communication. A mobile ad-hoc routing apparatus includes a control information manager configured to generate control information for managing a topology in a mobile ad-hoc network, a control information transceiver configured to transmit the control information or information for generating the control information to other nodes and receives control information of the other nodes or information for generating the control information from the other nodes, a data path manager configured to set a path for transmitting and receiving data using the generated control information and the received control information or the information for generating the control information, and a data transceiver configured to transmit and receive the data through the set path. The path for transmitting and receiving the data and a path for transmitting and receiving the control information use channels that are physically different from each other.Type: ApplicationFiled: January 10, 2017Publication date: September 21, 2017Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Tae Joon PARK, Myung Eun KIM, Sun Jin KIM, Myung Nam BAE, Dong Beom SHIN, Hoe Sung YANG, Kang Bok LEE, Sang Yeoun LEE, Hye Sun LEE, Jin Chul CHOI, Sang Gi HONG, Hyo Chan BANG, Jong Hyun PARK
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Publication number: 20170150418Abstract: A mobile ad-hoc routing apparatus includes a first communication module and a second communication module configured to transmit and receive data through a first communication band and a second communication band, respectively, a memory configured to store a program for transmitting and receiving the data, and a processor configured to execute the program stored in the memory, wherein when the program is executed, the processor receives first control information broadcast by one or more neighboring nodes via the first communication module and stores the first control information in the memory, wherein the first control information includes current position and communication status information of the neighboring node, the processor updates information on the neighboring node on the basis of the first control information, generates packet forwarding information which includes information on a node which currently allows packet data to be transmitted based on the updated information on the neighboring node, andType: ApplicationFiled: November 23, 2016Publication date: May 25, 2017Inventors: Myung Eun KIM, Tae Joon PARK, Sun Jin KIM, Jong Hyun PARK, Hyo Chan BANG, Myung Nam BAE, Dong Beom SHIN, Hoe Sung YANG, Kang Bok LEE, Sang Yeoun LEE, Hye Sun LEE, Jin Chul CHOI, Sang Gi HONG
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Publication number: 20160329749Abstract: A wireless power transmitting apparatus converts rotational energy of an axle to electrical energy, transfers the electrical energy to a transmitting coil of the wireless power transmitting apparatus through a power transfer connection pin that connects the inside of the wheel and the outside of the wheel of a vehicle, and wirelessly transmits the electrical energy to the sensor using resonance between a transmitting coil of the wireless power transmitting apparatus and a receiving coil of the sensor in order to use it as a driving power source of a sensor that detects a state of a tire.Type: ApplicationFiled: March 31, 2016Publication date: November 10, 2016Inventors: Hoe-Sung YANG, Kang Bok LEE, Sang Yeoun LEE
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Publication number: 20150161421Abstract: Provided is an apparatus for controlling supply of power to a radio frequency identification (RFID) tag, in which an internal large-capacity memory of an RFID tag is physically divided into a plurality of memory blocks, and power is selectively supplied to each of the divided plurality of memory blocks depending on the case, thereby reducing power consumption of the RFID tag. The apparatus includes a first memory configured to store information which is used to perform an inventory operation with an RFID reader, a second memory configured to store a file and data associated with the RFID tag, and a control unit configured to perform the inventory operation with the RFID reader by using the inventory information stored in the first memory, and when a command for accessing the second memory is received from the RFID reader, allow power to be supplied to the second memory.Type: ApplicationFiled: March 1, 2014Publication date: June 11, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Yeoun LEE, Kang Bok LEE, Kyu Ha BAEK
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Patent number: 9054881Abstract: A Radio Frequency Identification (RFID) tag and an interrogator that support a normal mode and a secure mode, and operating methods thereof are provided. The RFID tag may notify the interrogator of whether a current operating mode of the RFID tag is the normal mode or the secure mode, may perform different inventory processes based on the current operating mode, and may perform an authentication of the interrogator. Here, the RFID tag and the interrogator may also perform a mutual authentication.Type: GrantFiled: May 16, 2011Date of Patent: June 9, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Sang Yeoun Lee, Kang Bok Lee, Heyung Sub Lee, Dong Beom Shin, Hyun Seok Kim, You Sung Kang, Joo Sang Park, Cheol Sig Pyo, Jong Suk Chae
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Patent number: 9004367Abstract: In relation to a security function of a radio frequency identification (RFID) tag, an RFID tag and a method of updating a key of the RFID tag that may manage a key to be used for an access to a reader by storing the key in a memory having a duplex structure, thereby minimizing an update error occurring during a process of updating the key are provided.Type: GrantFiled: November 15, 2013Date of Patent: April 14, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Sang Yeoun Lee, Joo Sang Park, Heyung Sub Lee, Chan Won Park
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Patent number: 8878650Abstract: In a radio frequency identification (RFID) security reader, by integrating an encryption module that encrypts transmission data and a decryption module that decrypts reception data from an RFID security tag to restore the reception data to original data to a modem, an input/output time period of a processor module that processes a communication protocol in an RFID security system is minimized.Type: GrantFiled: August 15, 2011Date of Patent: November 4, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Beom Shin, Heyung Sub Lee, Sang Yeoun Lee, Hyunseok Kim, Su Na Choi, Kang Bok Lee, Joo Sang Park
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Patent number: 8779896Abstract: Provided are an RFID reader and a method for controlling a gain thereof. The RFID reader includes an amplifier and an AGC circuit. The amplifier controls the gain of an RX signal, received from an RFID tag, in response to an AGC signal. The AGC circuit measures a signal level in an ante-preamble period of the RX signal and generates an AGC signal to control the gain of the RX signal, on the basis of the measured signal level.Type: GrantFiled: July 9, 2010Date of Patent: July 15, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Beom Shin, Jae-young Jung, Sang Yeoun Lee, Gil Young Choi, Heyung Sub Lee, Jong-Suk Chae
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Publication number: 20140149079Abstract: Disclosed is an RFID sensor tag supporting dual mode logging, an RFID sensor reader, and a controlling method thereof. The RFID sensor tag includes a controller that supports a dual mode including a scheduling logging mode in which sensor data is recorded in a predetermined interval and an alarm event logging mode in which sensor data is recorded in a predetermined alarm condition and records sensor data in the memory when a corresponding mode is performed and a memory that has a sensor data recording area divided per mode.Type: ApplicationFiled: October 18, 2013Publication date: May 29, 2014Applicants: KOREA FOOD RESEARCH INSTITUTE, Electronics and Telecommunications Research InstituteInventors: Dong-Beom SHIN, Sang-Yeoun LEE, Hyun-Seok KIM, Chan-Won PARK, Jong-Hoon KIM, Byeong-Sam KIM
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Publication number: 20140138448Abstract: In relation to a security function of a radio frequency identification (RFID) tag, an RFID tag and a method of updating a key of the RFID tag that may manage a key to be used for an access to a reader by storing the key in a memory having a duplex structure, thereby minimizing an update error occurring during a process of updating the key are provided.Type: ApplicationFiled: November 15, 2013Publication date: May 22, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Yeoun LEE, Joo Sang PARK, Heyung Sub LEE, Chan Won PARK
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Publication number: 20140023195Abstract: Provided is a method for authentication between a radio frequency identification (RFID) tag and an interrogator configured to communicate with the RFID tag. An authentication method performed by the interrogator may include: transmitting, to an RFID tag, a challenge command comprising random interrogator information for initializing an encryption engine and challenge interrogator information for authenticating the RFID tag; receiving, from the RFID tag, random tag information, encrypted challenge tag information, and encrypted tag authentication data; initializing the encryption engine based on the random to interrogator information and the random tag information; decrypting the encrypted challenge tag information and the encrypted tag authentication data; and authenticating the RFID tag based on the decrypted challenge tag information, the decrypted tag authentication data, and the challenge interrogator information.Type: ApplicationFiled: July 19, 2013Publication date: January 23, 2014Inventors: Sang Yeoun LEE, Joo Sang Park, Kang Bok Lee