Patents by Inventor Ji-hyun Lim
Ji-hyun Lim 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: 20160109183Abstract: The present invention relates to a multipath cross flow heat exchanger and, more particularly, to a multipath cross flow heat exchanger, capable of preventing degradation of the cooling performance for cooling a superconductor which may occur when circulation of liquid nitrogen in a circulation tube is not efficient, by forming a cooling tube, in which a refrigerant for cooling liquid nitrogen flows, to intersect multiple times with the circulation tube, in which the liquid nitrogen is circulated, to thereby freeze the liquid nitrogen by the refrigerant.Type: ApplicationFiled: September 25, 2013Publication date: April 21, 2016Applicant: KOREA ELECTRIC POWER CORPORATIONInventors: Hyung-Suk YANG, Si-Dole HWANG, Song-Ho SOHN, Seong-Woo IM, Ji-Hyun LIM, Ho-Myung CHANG, Chan-Woo PARK, Gyeong-Hyeon GWAK
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Publication number: 20160109096Abstract: A light emitting device package includes a reflective unit having a first surface and a second surface opposing the first surface and having a through hole formed in a central portion of the reflective unit to penetrate through the first and second surfaces, a light emitting device disposed in the through hole and externally exposed to one of the first and second surfaces, and an optical device disposed on the first surface of the reflective unit to cover the light emitting device. The optical device allows light generated by the light emitting device to be partially transmitted and partially reflected to be emitted externally.Type: ApplicationFiled: July 21, 2015Publication date: April 21, 2016Inventors: Young Sam PARK, Hyun Bae PARK, Subedi RABINDRA, Chul Soo YOON, Giun LIM, Ji Hyun LIM, Young Sik JEONG, Hun Joo HAHM
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Publication number: 20160062033Abstract: A light source module is provided. The light source module includes a substrate having a first surface on which a circuit portion is disposed, and a second surface disposed opposite thereto. The light source module further includes a plurality of light emitting devices mounted on the first surface of the substrate and electrically connected to the circuit portion, wherein the substrate is provided with a groove portion in the second surface thereof, and has a structure bent along the groove portion.Type: ApplicationFiled: May 19, 2015Publication date: March 3, 2016Inventors: Young Kyung KIM, Seog Ho LIM, Ji Hyun LIM
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Publication number: 20150168151Abstract: A cloud system is provided for a vehicle in which a terminal is equipped to transmit information to a driver, and is adapted to communicate with a cloud server. The cloud server builds contents including a user experience (UX) on the server, and provides the contents to be displayed by the terminal. Moreover, the cloud server can provide simultaneously a plurality of contents to a plurality of terminals in communication with the cloud server. The contents are updated through an update of a database (DB) of the cloud server, which does not require a separate update of an additional DB on the driver side.Type: ApplicationFiled: November 17, 2014Publication date: June 18, 2015Inventors: Ji-Hyun LIM, Yong KIM
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Publication number: 20150065049Abstract: An apparatus having a Bluetooth module and a method for Bluetooth communication thereof are provided. The apparatus may be positioned in a vehicle. As such, the apparatus includes a Bluetooth module configured to perform Bluetooth communication with one or more devices configured to perform the Bluetooth communication. Also included is a processor configured to obtain received signal strength indications (RSSIs) of the devices when searched devices are products manufactured by the same manufacturer as that of the apparatus and perform pairing with a device having the largest RSSI among the obtained RSSIs to connect the Bluetooth communication.Type: ApplicationFiled: December 10, 2013Publication date: March 5, 2015Applicant: HYUNDAI MOTOR COMPANYInventors: Keun Hang Heo, Ji Hyun Lim, Man Ho Lee
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Patent number: 8768537Abstract: A technique for updating vehicle information using a wireless access point connected to a telematics server is described. More specifically, the system includes a wireless communication unit configured to connect to the wireless access point through, e.g., Wi-Fi network, to automatically receive an update data container(s), when the update data container(s) regarding the vehicle information is present in the telematics server; a control unit configured to store the update data container(s) received through the wireless communication unit and control the vehicle information and one or more devices corresponding to the vehicle information; and an update unit configured to update the vehicle information by using the update data container(s).Type: GrantFiled: April 14, 2011Date of Patent: July 1, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Woo Kim, Ji Hyun Lim, Sung Woo Park, Geum Dan Jin
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Publication number: 20120143402Abstract: The present invention provides a technique for updating vehicle information using a wireless access point connected to a telematics server. More specifically, the system includes a wireless communication unit configured to connect to the wireless access point through, e.g., Wi-Fi network, to automatically receive an update data container(s), when the update data container(s) regarding the vehicle information is present in the telematics server; a control unit configured to store the update data container(s) received through the wireless communication unit and control the vehicle information and one or more devices corresponding to the vehicle information; and an update unit configured to update the vehicle information by using the update data container(s).Type: ApplicationFiled: April 14, 2011Publication date: June 7, 2012Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Sung Woo Kim, Ji Hyun Lim, Sung Woo Park, Geum Dan Jin
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Patent number: 8049485Abstract: A measuring device for measuring the alternating current (AC) loss of a high-temperature superconductor is disclosed. In accordance with an embodiment of the present invention, the device includes a pulse power supply unit, which outputs pulse power in a cycle, a lead wire, which is formed on both sides of the pulse power supply unit and applies the pulse power to a superconductor, a degaussing coil unit, which is connected to one side of the superconductor and cancels an inductive voltage, a shunt unit, which is serially connected between one side of the degaussing coil unit and one side of the pulse power supply unit, and a measurement unit, which is connected to both ends of the shunt unit and measures an electric current flowing through the superconductor.Type: GrantFiled: June 15, 2010Date of Patent: November 1, 2011Assignee: Korea Electric Power CorporationInventors: Si-Dole Hwang, Song-Ho Sohn, Ji-Hyun Lim, Kyung-Woo Ryu
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Publication number: 20110102001Abstract: A measuring device for measuring the alternating current (AC) loss of a high-temperature superconductor is disclosed. In accordance with an embodiment of the present invention, the device includes a pulse power supply unit, which outputs pulse power in a cycle, a lead wire, which is formed on both sides of the pulse power supply unit and applies the pulse power to a superconductor, a degaussing coil unit, which is connected to one side of the superconductor and cancels an inductive voltage, a shunt unit, which is serially connected between one side of the degaussing coil unit and one side of the pulse power supply unit, and a measurement unit, which is connected to both ends of the shunt unit and measures an electric current flowing through the superconductor.Type: ApplicationFiled: June 15, 2010Publication date: May 5, 2011Applicant: KOREA ELECTRIC POWER CORPORATIONInventors: Si-Dole Hwang, Song-Ho Sohn, Ji- Hyun Lim, Kyung-Woo Ryu
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Publication number: 20090262714Abstract: The present invention relates to the network gateway for a vehicle and network system in which the mobile device which supports the wireless LAN is able to use the Internet by using the telematics module of a vehicle. For this, the present invention includes an user interface in which a user command is inputted and the process result for the user command is indicated; a telematics module in which a mobile communications network connecter is mounted to be able be connected to Internet that the mobile communications network provides; a mobile device equipped with a wireless LAN; and a network gateway which connects the mobile device to the Internet through the telematics module according to the request of the user interface or the mobile device in the state of being connected to the mobile device through the wireless LAN.Type: ApplicationFiled: July 29, 2008Publication date: October 22, 2009Applicant: Hyundai Motor CompanyInventors: Ji Hyun Lim, Nam Kwon Jung
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Publication number: 20090265633Abstract: The present invention relates to the network gateway for the vehicle sharing the contents between all display units of an inside-vehicle. For this, the invention includes an interface connecter which is connected respectively to at least one or more display units that receive a user command and display the process result for the user command; and a controller which shares a contents by transmitting the contents from a specific display unit to another display unit in case it is commanded to perform the contents sharing from the specific display unit through the interface connecter.Type: ApplicationFiled: July 30, 2008Publication date: October 22, 2009Applicant: Hyundai Motor CompanyInventors: Ji Hyun Lim, Nam Kwon Jung
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Publication number: 20090044008Abstract: The present invention relate to a DRM system and a method of managing DRM content, which allow the user of content protected by DRM to use DRM content even through an unconnected device, which is not connected to a network. The DRM system includes a DRM server for issuing a Public Key Infrastructure (PKI)-based certificate and a key pair to an unconnected device via a network client connected to the unconnected device so as to allow the unconnected device to share a right to DRM content with the network client and to authenticate the unconnected device and permit the unconnected device to join a domain on a basis of the certificate and the key pair via the network client.Type: ApplicationFiled: December 18, 2007Publication date: February 12, 2009Inventor: Ji Hyun Lim
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Publication number: 20090044278Abstract: Disclosed herein is a method of transmitting DRM content, stored in a device, to another external device. A rights object is embedded in a mutable information box of a Digital rights management Content Format (DCF), thus integrating the rights object and the DCF into a single object. The DCF, in which the rights object is embedded, is transmitted with a message authentication code. The message authentication code is embedded in the mutable information box of the DCF so as to enable integrity validation for the DCF, in which the rights object is embedded. The rights object is a domain rights object capable of being shared by one or more devices. The DCF, in which the rights object is embedded, is transmitted to the external device via mobile storage in which no security function exists or no security function is set.Type: ApplicationFiled: December 18, 2007Publication date: February 12, 2009Inventor: Ji Hyun Lim
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Publication number: 20090013185Abstract: Disclosed is a compatible system of digital rights management which enables the reproduction of the same contents between apparatuses each employing a different digital rights management system. The compatible system of digital rights management comprises: a user server including a first authentication document of a first apparatus; a second apparatus connected to the first apparatus and outputting a contents request signal and a second authentication document to reproduce substantially the same contents; and a provider server forming a virtual safe channel with the user server based on the contents request signal to receive the first authentication document, and generating first and second licenses encrypted through the first and second authentication documents to transmit the same to the second apparatus.Type: ApplicationFiled: January 9, 2008Publication date: January 8, 2009Inventor: Ji Hyun Lim
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Patent number: 6842611Abstract: A received data processing method in a wireless communication between devices that support a bluetooth wireless technology is provided. The method for processing data received through a wireless channel, in a communication device that supports bluetooth wireless communication, includes the steps of (a) a bluetooth module receiving data through a wireless channel, (b) the bluetooth module informing a bluetooth host that data received through a universal serial bus (USB) exists in the bluetooth module, and (c) the bluetooth host reading the data received by the bluetooth module in the step (a) through the USB when the bluetooth host is informed that received data exists in the step (b). According to the received data processing method, it is possible to prevent overhead from occurring due to unnecessary request for data by the bluetooth host generating request for data through the USB only when the received data exists in the bluetooth module.Type: GrantFiled: March 15, 2001Date of Patent: January 11, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-kyu Beck, Ji-hyun Lim
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Publication number: 20010049276Abstract: A received data processing method in a wireless communication between devices that support a bluetooth wireless technology is provided. The method for processing data received through a wireless channel, in a communication device that supports bluetooth wireless communication, includes the steps of (a) a bluetooth module receiving data through a wireless channel, (b) the bluetooth module informing a bluetooth host that data received through a universal serial bus (USB) exists in the bluetooth module, and (c) the bluetooth host reading the data received by the bluetooth module in the step (a) through the USB when the bluetooth host is informed that received data exists in the step (b). According to the received data processing method, it is possible to prevent overhead from occurring due to unnecessary request for data by the bluetooth host generating request for data through the USB only when the received data exists in the bluetooth module.Type: ApplicationFiled: March 15, 2001Publication date: December 6, 2001Inventors: Chang-kyu Beck, Ji-hyun lim