Patents by Inventor Lae-Hyuk Park
Lae-Hyuk Park 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: 10367267Abstract: A dual mode antenna including: an insulative sheet including a main surface and an opposite main surface; a loop-shaped wireless communication coil formed on the main surface of the insulative sheet; a wireless power transmission coil formed inside the loop-shaped wireless communication coil to be electrically disconnected from the loop-shaped wireless communication coil, and formed on the main surface of the insulative sheet, a pair of wireless communication coil connection terminals electrically connected to both ends of the loop-shaped wireless communication coil, respectively; a pair of wireless power transmission coil connection terminals electrically connected to both ends of the wireless power transmission coil, respectively; and a ferrite sheet formed to contact the opposite main surface of the insulative sheet.Type: GrantFiled: April 26, 2018Date of Patent: July 30, 2019Assignee: LS CABLE & SYSTEM LTD.Inventors: Min Seok Han, Young Sun Kim, Sung Han You, Lae Hyuk Park, Un Kyu Park, Ji Hyung Lee
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Patent number: 10263467Abstract: Provided is a wireless power antenna for wirelessly transmitting, receiving, or relaying power, the wireless power antenna comprising an insulating sheet and a wireless power coil including a split pattern unit including a plurality of patterns spaced from each other in at least a region thereof in a widthwise direction, wherein the split pattern unit is disposed on both a top surface and a bottom surface of the insulating sheet.Type: GrantFiled: December 12, 2013Date of Patent: April 16, 2019Assignee: LS CABLE & SYSTEM LTD.Inventors: Sung-Hoon Moon, Heung-kyu Lee, Ji-Hyung Lee, Min-Seok Han, Lae-Hyuk Park, Young-Sun Kim, Un-Kyu Park, Sung-Han You
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Patent number: 10224747Abstract: Provided is a wireless power antenna for wirelessly transmitting, receiving, or relaying power, the wireless power antenna comprising an insulating sheet and a wireless power coil including a split pattern unit including a plurality of patterns spaced from each other in at least a region thereof in a widthwise direction, wherein the split pattern unit is disposed on both a top surface and a bottom surface of the insulating sheet.Type: GrantFiled: September 6, 2017Date of Patent: March 5, 2019Assignee: LS CABLE & SYSTEM LTD.Inventors: Sung-Hoon Moon, Heung-Kyu Lee, Ji-Hyung Lee, Min-Seok Han, Lae-Hyuk Park, Young-Sun Kim, Un-Kyu Park, Sung-Han You
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Publication number: 20180248265Abstract: A dual mode antenna including: an insulative sheet including a main surface and an opposite main surface; a loop-shaped wireless communication coil formed on the main surface of the insulative sheet; a wireless power transmission coil formed inside the loop-shaped wireless communication coil to be electrically disconnected from the loop-shaped wireless communication coil, and formed on the main surface of the insulative sheet, a pair of wireless communication coil connection terminals electrically connected to both ends of the loop-shaped wireless communication coil, respectively; a pair of wireless power transmission coil connection terminals electrically connected to both ends of the wireless power transmission coil, respectively; and a ferrite sheet formed to contact the opposite main surface of the insulative sheet.Type: ApplicationFiled: April 26, 2018Publication date: August 30, 2018Applicant: LS CABLE & SYSTEM LTD.Inventors: Min Seok HAN, Young Sun KIM, Sung Han YOU, Lae Hyuk PARK, Un Kyu PARK, Ji Hyung LEE
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Patent number: 9991600Abstract: A dual mode antenna including: an insulative sheet; a loop-shaped wireless communication coil formed on a front surface of the insulative sheet; and a wireless power transmission coil formed inside the loop-shaped wireless communication coil to be electrically disconnected from the loop-shaped wireless communication coil, and formed on the front surface and a rear surface of the insulative sheet, the wireless power transmission coil being electrically connected from each other via a via-hole passing through the insulative sheet to wirelessly transmit or receive power.Type: GrantFiled: November 28, 2016Date of Patent: June 5, 2018Assignee: LS CABLE & SYSTEM LTD.Inventors: Min Seok Han, Young Sun Kim, Sung Han You, Lae Hyuk Park, Un Kyu Park, Ji Hyung Lee
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Patent number: 9893424Abstract: A dual mode antenna including: a wireless communication coil connection terminal; a wireless communication loop antenna electrically connected to the wireless communication connection terminal, and including a loop-shaped wireless communication coil; a wireless power transmission coil arranged inside the wireless communication loop antenna to be electrically disconnected from the wireless communication loop antenna, and configured to wirelessly transmit or receive power; a wireless power transmission coil connection terminal electrically connected to the wireless power transmission coil; and an extension pattern configured to electrically connect the wireless power transmission coil and the wireless power transmission coil connection terminal to each other, and arranged not to overlap with the wireless communication loop antenna.Type: GrantFiled: November 28, 2016Date of Patent: February 13, 2018Assignee: LS CABLE & SYSTEM LTD.Inventors: Min Seok Han, Young Sun Kim, Sung Han You, Lae Hyuk Park, Un Kyu Park, Ji Hyung Lee
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Publication number: 20170366013Abstract: Provided is a wireless power antenna for wirelessly transmitting, receiving, or relaying power, the wireless power antenna comprising an insulating sheet and a wireless power coil including a split pattern unit including a plurality of patterns spaced from each other in at least a region thereof in a widthwise direction, wherein the split pattern unit is disposed on both a top surface and a bottom surface of the insulating sheet.Type: ApplicationFiled: September 6, 2017Publication date: December 21, 2017Applicant: LS CABLE & SYSTEM LTD.Inventors: Sung-Hoon MOON, Heung-Kyu LEE, Ji-Hyung LEE, Min-Seok HAN, Lae-Hyuk PARK, Young-Sun KIM, Un-Kyu PARK, Sung-Han YOU
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Publication number: 20170077607Abstract: A dual mode antenna including: a wireless communication coil connection terminal; a wireless communication loop antenna electrically connected to the wireless communication connection terminal, and including a loop-shaped wireless communication coil; a wireless power transmission coil arranged inside the wireless communication loop antenna to be electrically disconnected from the wireless communication loop antenna, and configured to wirelessly transmit or receive power; a wireless power transmission coil connection terminal electrically connected to the wireless power transmission coil; and an extension pattern configured to electrically connect the wireless power transmission coil and the wireless power transmission coil connection terminal to each other, and arranged not to overlap with the wireless communication loop antenna.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Applicant: LS CABLE & SYSTEM LTD.Inventors: Min Seok HAN, Young Sun KIM, Sung Han YOU, Lae Hyuk PARK, Un Kyu PARK, Ji Hyung LEE
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Publication number: 20170077606Abstract: A dual mode antenna including: an insulative sheet; a loop-shaped wireless communication coil formed on a front surface of the insulative sheet; and a wireless power transmission coil formed inside the loop-shaped wireless communication coil to be electrically disconnected from the loop-shaped wireless communication coil, and formed on the front surface and a rear surface of the insulative sheet, the wireless power transmission coil being electrically connected from each other via a via-hole passing through the insulative sheet to wirelessly transmit or receive power.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Applicant: LS CABLE & SYSTEM LTD.Inventors: Min Seok HAN, Young Sun KIM, Sung Han YOU, Lae Hyuk PARK, Un Kyu PARK, Ji Hyung LEE
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Patent number: 9543653Abstract: Disclosed herein are a flexible printed circuit board for dual mode antennas, a dual mode antenna and a user device using the same. The flexible printed circuit board for dual mode antennas includes a first loop-shaped coil formed at one main surface of an insulative sheet and a second loop-shaped coil formed inside the loop of the first coil.Type: GrantFiled: May 3, 2013Date of Patent: January 10, 2017Assignee: LS CABLE & SYSTEM LTD.Inventors: Min Seok Han, Young Sun Kim, Sung Han You, Lae Hyuk Park, Un Kyu Park, Ji Hyung Lee
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Patent number: 9407360Abstract: Disclosed is an optical line monitoring system and method which detects an optical line where a disorder occurs, by using an OTDR (Optical Time Domain Reflectometer) pulse pattern with matching information. The optical line monitoring system generates and stores a reference OTDR pulse pattern matched with identification information of an optical channel service unit, and compares the matched reference OTDR pulse pattern with the OTDR pulse pattern collected at an inspection time to verify an optical line region where a disorder occurs.Type: GrantFiled: October 10, 2012Date of Patent: August 2, 2016Assignee: LS CABLE LTD.Inventors: Ji-Sang Park, Lae-Hyuk Park, Ki-Yeul Kim, Kwan-Hee Han, Eun-Jeong Yang
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Publication number: 20150318711Abstract: Provided is a wireless power antenna for wirelessly transmitting, receiving, or relaying power, the wireless power antenna comprising an insulating sheet and a wireless power coil including a split pattern unit including a plurality of patterns spaced from each other in at least a region thereof in a widthwise direction, wherein the split pattern unit is disposed on both a top surface and a bottom surface of the insulating sheet.Type: ApplicationFiled: December 12, 2013Publication date: November 5, 2015Applicant: LS CABLE & SYSTEM LTD.Inventors: Sung-Hoon MOON, Heung-Kyu LEE, Ji-Hyung LEE, Min-Seok HAN, Lae-Hyuk PARK, Young-Sun KIM, Un-Kyu PARK, Sung-Han YOU
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Patent number: 9130389Abstract: A wireless power transmission apparatus includes at least one power transmission antenna for transmitting a wireless power signal in a magnetic resonance manner by using a resonant frequency having different bandwidths from each other; a wireless power signal generating module for generating the wireless power signal; at least one wireless power converting module for converting a power level of the wireless power signal generated by the wireless power signal generating module and having different power level conversion ranges corresponding to the bandwidth of the resonant frequency of the power transmission antenna; a multiplexer matching module for selectively connecting the wireless power converting module to a corresponding power transmission antenna; and a control unit for selectively connecting the power transmission antenna and the wireless power converting module according to a required power of a device to be charged to adjust the power level of the wireless power signal.Type: GrantFiled: September 4, 2012Date of Patent: September 8, 2015Assignee: LS CABLE & SYSTEM LTD.Inventors: Ji-Hyung Lee, Lae-Hyuk Park, Un-Kyoo Park
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Publication number: 20150171519Abstract: Disclosed herein are a flexible printed circuit board for dual mode antennas, a dual mode antenna and a user device using the same. The flexible printed circuit board for dual mode antennas includes a first loop-shaped coil formed at one main surface of an insulative sheet and a second loop-shaped coil formed inside the loop of the first coil.Type: ApplicationFiled: May 3, 2013Publication date: June 18, 2015Applicant: LS CABLE & SYSTEM LTD.Inventors: Min Seok Han, Young Sun Kim, Sung Han You, Lae Hyuk Park, Un Kyu Park, Ji Hyung Lee
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Publication number: 20140308033Abstract: Disclosed is an optical line monitoring system and method which detects an optical line where a disorder occurs, by using an OTDR (Optical Time Domain Reflectometer) pulse pattern with matching information. The optical line monitoring system generates and stores a reference OTDR pulse pattern matched with identification information of an optical channel service unit, and compares the matched reference OTDR pulse pattern with the OTDR pulse pattern collected at an inspection time to verify an optical line region where a disorder occurs.Type: ApplicationFiled: October 10, 2012Publication date: October 16, 2014Inventors: Ji-Sang Park, Lae-Hyuk Park, Ki-Yeul Kim, Kwan-Hee Han, Eun-Jeong Yang
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Patent number: 8861911Abstract: An optical and power composite cable includes a plurality of power lines adjacently arranged in a cable, each power line having a central conductor and an insulating coating layer surrounding the central conductor; at least one optical fiber unit arranged together with the power lines, each optical fiber unit having at least one optical fiber and a tube surrounding the optical fiber; and a cable sheath surrounding the power lines and the optical fiber unit, wherein, assuming that the thickness of the tube is t and that the outer diameter of the tube is D, the ratio of the thickness of the tube to the outer diameter defined as t/D is 8% to 20%.Type: GrantFiled: May 16, 2011Date of Patent: October 14, 2014Assignee: LS Cable & System Ltd.Inventors: Hyung-Soo Shin, Lae-Hyuk Park, Ki-Yeul Kim, Hyoung-Koog Lee, Tae-Kyung Yook, Joong-Kwan Kim
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Publication number: 20130077924Abstract: An optical and power composite cable includes a plurality of power lines adjacently arranged in a cable, each power line having a central conductor and an insulating coating layer surrounding the central conductor; at least one optical fiber unit arranged together with the power lines, each optical fiber unit having at least one optical fiber and a tube surrounding the optical fiber; and a cable sheath surrounding the power lines and the optical fiber unit, wherein, assuming that the thickness of the tube is t and that the outer diameter of the tube is D, the ratio of the thickness of the tube to the outer diameter defined as t/D is 8% to 20%.Type: ApplicationFiled: May 16, 2011Publication date: March 28, 2013Applicant: LS Cable System Ltd.Inventors: Hyung-Soo Shin, Lae-Hyuk Park, Ki-Yeul Kim, Hyoung-Koog Lee, Tae-Kyung Yook, Joong-Kwan Kim
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Publication number: 20130057205Abstract: A wireless power transmission apparatus includes at least one power transmission antenna for transmitting a wireless power signal in a magnetic resonance manner by using a resonant frequency having different bandwidths from each other; a wireless power signal generating module for generating the wireless power signal; at least one wireless power converting module for converting a power level of the wireless power signal generated by the wireless power signal generating module and having different power level conversion ranges corresponding to the bandwidth of the resonant frequency of the power transmission antenna; a multiplexer matching module for selectively connecting the wireless power converting module to a corresponding power transmission antenna; and a control unit for selectively connecting the power transmission antenna and the wireless power converting module according to a required power of a device to be charged to adjust the power level of the wireless power signal.Type: ApplicationFiled: September 4, 2012Publication date: March 7, 2013Applicant: LS Cable & System Ltd.Inventors: Ji-Hyung Lee, Lae-Hyuk Park, Un-Kyoo Park
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Publication number: 20110243518Abstract: A non-zero dispersion shifted fiber includes a core region, and a clad region located out of the core region. The core region is classified into a plurality of detailed regions in accordance with refractive index contrasts. Among the detailed regions, a region located at a center of the fiber has GeO2 concentration of 3.5 mol % or less.Type: ApplicationFiled: April 1, 2011Publication date: October 6, 2011Inventors: Joong-Ho Pi, Lae-Hyuk Park, Ji-Sang Park, Soon-Il Sohn
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Publication number: 20090260401Abstract: Disclosed is a heating element having a ring shape provided in a furnace for drawing an optical fiber from a large-diameter preform so as to heat and melt a preform. The heating element according to heating element includes at least two hot zones having different heating temperatures, wherein one of the hot zones is arranged in a neck-down region of the preform to heat the preform at a temperature suitable for drawing an optical fiber. Also, the hot zone includes a first heating unit for heating a preform at a temperature suitable for draw an optical fiber from the preform; and a second heating unit for heating a surface of the preform to a relatively lower temperature than the first heating unit.Type: ApplicationFiled: November 13, 2006Publication date: October 22, 2009Inventors: Hyung-Soo Shin, Young-Gyu Yang, Lae-Hyuk Park