Patents by Inventor Jae-Heum Lee
Jae-Heum 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: 20240097119Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
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Patent number: 11916512Abstract: An embodiment provides a DC-DC converter for sensing a grounded state and a method for controlling same in a photovoltaic energy storage system. Specifically, the converter can sense a grounded state on the basis of the magnitude of voltage applied to a resistor and provide a notification.Type: GrantFiled: August 26, 2019Date of Patent: February 27, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Sang Gyu Choi, Jae Geun Lee, Jeong Heum Lee
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Patent number: 10333222Abstract: Provided is a method of improving a bandwidth of an antenna using a transmission line stub to enable long-range communication together with broadband matching. According to the method, it is possible to combine a transmission line stub in series or parallel with a feeding point, which is an antenna signal input/output point of a body serving as an antenna, and apply the transmission line stub to an antenna for wide use.Type: GrantFiled: April 11, 2017Date of Patent: June 25, 2019Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Hee Kim, Ju Derk Park, In Hwan Lee, Ho Yong Kang, Jae Heum Lee
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Patent number: 10309077Abstract: Disclosed is a manhole type omnidirectional antenna having a relatively small angle between a main beam direction and the Earth's surface and exhibiting omnidirectional characteristics to allow long-range communication, wherein the manhole type omnidirectional antenna includes a manhole cover installed in a manhole in the Earth's surface; a main body installed in a cavity of an upper surface of the manhole cover and configured to convert an electrical signal into an electromagnetic wave to wirelessly communicate with a gateway separated from the manhole cover; and a radome inserted into the cavity to cover the main body.Type: GrantFiled: November 25, 2016Date of Patent: June 4, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Eun Hee Kim, Ju Derk Park, In Hwan Lee, Ho Yong Kang, Jae Heum Lee
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Publication number: 20170294711Abstract: Provided is a method of improving a bandwidth of an antenna using a transmission line stub to enable long-range communication together with broadband matching. According to the method, it is possible to combine a transmission line stub in series or parallel with a feeding point, which is an antenna signal input/output point of a body serving as an antenna, and apply the transmission line stub to an antenna for wide use.Type: ApplicationFiled: April 11, 2017Publication date: October 12, 2017Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Hee KIM, Ju Derk PARK, In Hwan LEE, Ho Yong KANG, Jae Heum LEE
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Publication number: 20170155191Abstract: Disclosed is a manhole type omnidirectional antenna having a relatively small angle between a main beam direction and the Earth's surface and exhibiting omnidirectional characteristics to allow long-range communication, wherein the manhole type omnidirectional antenna includes a manhole cover installed in a manhole in the Earth's surface; a main body installed in a cavity of an upper surface of the manhole cover and configured to convert an electrical signal into an electromagnetic wave to wirelessly communicate with a gateway separated from the manhole cover; and a radome inserted into the cavity to cover the main body.Type: ApplicationFiled: November 25, 2016Publication date: June 1, 2017Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Hee KIM, Ju Derk PARK, In Hwan LEE, Ho Yong KANG, Jae Heum LEE
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Publication number: 20150276932Abstract: An apparatus and method for determining the location of a mobile object are disclosed. The apparatus includes a GPS module unit, a mobile communication module unit, a USN module unit, and a control module unit. The GPS module unit receives a GPS signal including the coordinate information of the current location of a mobile object. The mobile communication module unit is operated when the GPS module unit has received the GPS signal, and transmits the coordinate information of the current location of the mobile object and the ID of the mobile object to a location estimation apparatus. The USN module unit is operated when the GPS module unit fails to receive the GPS signal, and broadcasts a beacon signal carrying the ID of the mobile object. The control module unit operates any one of the mobile communication module unit and the USN module unit.Type: ApplicationFiled: March 24, 2015Publication date: October 1, 2015Inventors: Kye-Seon LEE, Jae-Hong RYU, Jae-Heum LEE, Byeong-Cheol CHOI, Nae-Soo KIM
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Patent number: 8967457Abstract: A total history management system using a radio frequency identification (RFID) tag and a barcode. The system includes an RFID tag, a barcode recorder and a barcode reader. The RFID tag is attached to a box containing a plurality of individual products to store an environmental history of a distribution. The barcode recorder is configured to provide, to each of the plurality of individual products, a barcode in which identification (ID) information of the RFID tag is recorded. The barcode reader is configured to recognize the barcode attached to each of the plurality of individual products, and to output the environmental history of the distribution, corresponding to the ID information of the RFID tag that is received in response to a query with respect to the RFID tag, using the recognized barcode.Type: GrantFiled: August 28, 2012Date of Patent: March 3, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Dong Beom Shin, Heyung Sub Lee, Sang Hyun Mo, Kang Bok Lee, Jae Heum Lee, Cheol Sig Pyo
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Patent number: 8791857Abstract: To track the location of a terminal in an indoor space by using a pseudo GPS signal transmitter, a GPS signal sent from an artificial satellite is received, and a clock signal of the artificial satellite is extracted from the received GPS signal to perform synchronization with the artificial satellite. Once synchronization with the artificial satellite is performed, a pseudo GPS signal is generated, and the transmission time of the pseudo GPS signal is controlled. The GPS signal is sent to the terminal located in the indoor space by a plurality of transmitting antennas based on the controlled transmission time, thereby enabling the terminal located in the indoor space to track its location.Type: GrantFiled: October 5, 2011Date of Patent: July 29, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sang Hyun Mo, Heyung Sub Lee, Jae Heum Lee, Seung-Il Myong, Hoe-Sung Yang, Kang Bok Lee, Cheol Sig Pyo
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Patent number: 8787514Abstract: An apparatus and method of generating a pseudo noise (PN) code is provided. The apparatus for generating the PN code includes: a memory device unit including a plurality of memory devices; an exclusive-OR (XOR) operation unit receiving output values of at least two memory devices among output values of the plurality of memory devices to output an XOR operation value with respect to the received output values; and a PN code generation unit generating the PN code based on an output value of the XOR operation unit.Type: GrantFiled: December 31, 2008Date of Patent: July 22, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Il Myong, Jong Sub Cha, Sang Hyun Mo, Jae Heum Lee, Heyung Sub Lee, Jong Suk Chae
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Patent number: 8633803Abstract: Provided are a Radio Frequency Identification (RFID) tag and apparatus and method for locating a RFID tag without comparing arrival times of blink signals transmitted from the RFID tag in order to quickly trace a location of the RFID tag. The RFID tag includes a tag ID generator configured to generate a tag ID of the RFID tag, a blink generator configured to generate a plurality of sub-blink signals that form the blink signal, a sub-blink ID generator configured to generate sub-blink IDs for the generated sub-blink signals, a sub-blink ID inserter configured to insert the generated sub-blink IDs into the sub-blink signals, and a transmitter configured to transmit the blink signal having the tag ID and the sub-blink IDs.Type: GrantFiled: December 23, 2009Date of Patent: January 21, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sang-Hyun Mo, Jae-Heum Lee, Seung-Il Myong, Hoe-Sung Yang, Heyung-Sub Lee, Jong-Suk Chae, Jongsub Cha, Kang-Bok Lee, Dong-Beom Shin
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Publication number: 20130087610Abstract: Provided is a total history management system and method using a radio frequency indentification (RFID) tag and a barcode, which may efficiently manage individual products using a barcode and an RFID tag that may provide environmental information for management of the individual products.Type: ApplicationFiled: August 28, 2012Publication date: April 11, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Beom SHIN, Heyung Sub LEE, Sang Hyun MO, Kang Bok LEE, Jae Heum LEE, Cheol Sig PYO
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Patent number: 8314703Abstract: Provided is a method and apparatus for managing a product distribution. The product distribution management method may include: reading a security key of a product from a security tag attached to the product; transferring the read security key to a security server; receiving, from the security server, first authentication information that is encrypted using the security key; receiving, from the security tag, second authentication information that is encrypted using the security key; and determining whether the security tag is duplicated, based on the first authentication information and the second authentication information.Type: GrantFiled: July 16, 2009Date of Patent: November 20, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Kang Bok Lee, Heyung Sub Lee, Sang Yeoun Lee, Jae Heum Lee, Dong-Beom Shin, Hyunseok Kim, Jae-young Jung, Cheol Sig Pyo, Jong-Suk Chae
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Publication number: 20120086599Abstract: To track the location of a terminal in an indoor space by using a pseudo GPS signal transmitter, a GPS signal sent from an artificial satellite is received, and a clock signal of the artificial satellite is extracted from the received GPS signal to perform synchronization with the artificial satellite. Once synchronization with the artificial satellite is performed, a pseudo GPS signal is generated, and the transmission time of the pseudo GPS signal is controlled. The GPS signal is sent to the terminal located in the indoor space by a plurality of transmitting antennas based on the controlled transmission time, thereby enabling the terminal located in the indoor space to track its location.Type: ApplicationFiled: October 5, 2011Publication date: April 12, 2012Applicant: Electronic and Telecommunications Research InstituteInventors: Sang Hyun MO, Heyung Sub Lee, Jae Heum Lee, Seung-Il Myong, Hoe-Sung Yang, Kang Bok Lee, Cheol Sig Pyo
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Publication number: 20120032844Abstract: Real-time location tracking apparatus and method using a global positioning system (GPS) signal relay tag is provided. Here, a tag may receive a GPS signal and transmit the received GPS signal to a reader, and the reader may calculate a location of the tag, and thereby a real-time location tracking service may be provided.Type: ApplicationFiled: August 1, 2011Publication date: February 9, 2012Applicant: Electronics and Telecommunications Research instituteInventors: Sang Hyun Mo, Heyung Sub Lee, Jae Heum Lee, Cheol Sig Pyo, Kang Bok Lee, Dong Beom Shin, Seung Il Myong, Joo Sang Park, Hoe Sung Yang, Jong Suk Chae
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Publication number: 20110122926Abstract: An apparatus and method of generating a pseudo noise (PN) code is provided. The apparatus for generating the PN code includes: a memory device unit including a plurality of memory devices; an exclusive-OR (XOR) operation unit receiving output values of at least two memory devices among output values of the plurality of memory devices to output an XOR operation value with respect to the received output values; and a PN code generation unit generating the PN code based on an output value of the XOR operation unit.Type: ApplicationFiled: December 31, 2008Publication date: May 26, 2011Inventors: Seung Il Myong, Jong Sub Cha, Sang Hyun Mo, Jae Heum Lee, Heyung Sub Lee, Jong Suk Chae
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Publication number: 20110095869Abstract: Proposed are a method and apparatus for real-time location tracking using Radio Frequency Identification (RFID), the apparatus including: a first reception information receiver to receive first reception information of a tag signal from a plurality of RFID readers that receives the tag signal from an RFID tag; a reader group generator to select, from the plurality of RFID readers, at least three RFID readers based on the first reception information and generate an RFID reader group including the selected at least three RFID readers; and a location calculator to calculate a location of the RFID tag based on first reception information that is received from the at least three RFID readers included in the RFID reader group.Type: ApplicationFiled: December 31, 2008Publication date: April 28, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Hoe-Sung Yang, Seung Il Myong, Jae Heum Lee, Heyung Sub Lee, Jong-Suk Chae
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Publication number: 20100214067Abstract: Provided are a Radio Frequency Identification (RFID) tag and apparatus and method for locating a RFID tag without comparing arrival times of blink signals transmitted from the RFID tag in order to quickly trace a location of the RFID tag. The RFID tag includes a tag ID generator configured to generate a tag ID of the RFID tag, a blink generator configured to generate a plurality of sub-blink signals that form the blink signal, a sub-blink ID generator configured to generate sub-blink IDs for the generated sub-blink signals, a sub-blink ID inserter configured to insert the generated sub-blink IDs into the sub-blink signals, and a transmitter configured to transmit the blink signal having the tag ID and the sub-blink IDs.Type: ApplicationFiled: December 23, 2009Publication date: August 26, 2010Inventors: Sang-Hyun Mo, Jae-Heum Lee, Seung-Il Myong, Hoe-Sung Yang, Heyung-Sub Lee, Jong-Suk Chae, Jongsub Cha, Kang-Bok Lee, Dong-Beom Shin
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Publication number: 20100127934Abstract: A positioning system is provided which is capable of calculating the position of a target object even though it does not detect some synchronous signal necessary for position calculation. A communication signal receiver which provides information used in the position calculation is also provided.Type: ApplicationFiled: October 16, 2009Publication date: May 27, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Seung-il MYONG, Sang-hyun MO, Dong-beom SHIN, Jae-heum LEE, Heyung-sub LEE, Jong-suk CHAE
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Patent number: D911548Type: GrantFiled: April 30, 2019Date of Patent: February 23, 2021Assignee: SHAPL Inc.Inventors: Chi-Eun Jang, Ji Su Kim, Byeong Jae Ha, Jae Heum Lee