Patents by Inventor Jung-hyun Kim

Jung-hyun Kim 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).

  • CIRCUIT FOR DRIVING POWER SWITCH, POWER SUPPLY APPARATUS AND METHOD FOR DRIVING POWER SWITCH
    Publication number: 20150043250
    Abstract: The present invention relates to a circuit for driving power switch, a power supply apparatus, and a method for driving a power switch. According to an embodiment of the present invention, a circuit for driving power switch, which includes a variable oscillator for varying a frequency according to a change in primary side input voltage to output a reference signal for duty control; and a duty control unit for receiving a feedback signal fed back from a secondary side output signal and the reference signal for duty control from the variable oscillator and outputting a duty control signal for driving a power switch, is provided. Further, a power supply apparatus and a method for driving a power switch are provided.
    Type: Application
    Filed: May 20, 2014
    Publication date: February 12, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwan CHO, Jung Chul GONG, Jung Hyun KIM
  • Method for transmitting contents for contents management technology interworking, and recording medium for storing program thereof
    Patent number: 8954734
    Abstract: A DRM technique interoperability system includes an exporter and an importer. The exporter cancels the DRM technique from the contents to which the DRM technique of a DRM device is applied to generate a contents stream, generates a plurality of packets from the contents stream, and transmits the packets to the importer. The importer receives a plurality of packets from the exporter, generates a contents stream from the plurality of packets, applies a DRM technique of a second DRM device to the contents stream, and provides it to the second DRM device.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 10, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Do-Won Nam, Yeon-Jeong Jeong, Ki-Song Yoon, Jung-Hyun Kim, Jee-Hyun Park, Jung-Soo Lee
  • ORGANIC/INORGANIC NANOCOMPOSITE CAPABLE OF ADSORPTION/DESORPTION OF METAL IONS, AND PREPARATION METHOD THEREOF
    Publication number: 20150021511
    Abstract: The present invention relates to an organic-inorganic nanocomposite comprising a polymer having temperature dependent volume phase transition characteristics, and magnetic particles embedded in the polymer, and a preparation method thereof. The present invention induces more rapid adsorption and desorption of metal ions and can effectively recover the used organic-inorganic nanocomposite.
    Type: Application
    Filed: September 28, 2012
    Publication date: January 22, 2015
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jung Hyun Kim, Yong Seok Kim, In Woo Cheong
  • EYEGLASSES INCLUDING TRANSPARENT DISPLAY AND CONTROLLING METHOD THEREOF
    Publication number: 20150022773
    Abstract: Exemplary embodiments of the present invention relate to eyeglasses that have a transparent display and a controlling method thereof. The eyeglasses that have a transparent display include a lens unit, a frame unit coupled with the lens unit, and a pair of leg units connected to respective sides of the frame unit, wherein each of the lens unit and the frame unit comprises a transparent display.
    Type: Application
    Filed: November 7, 2013
    Publication date: January 22, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jung-Hyun Kim, Yu-Kyung Kim, Su-Zi Kim, Chae-Rin Kim
  • DISPLAY DEVICE
    Publication number: 20150023057
    Abstract: A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices.
    Type: Application
    Filed: December 26, 2013
    Publication date: January 22, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jung Hyun KIM, Hee-Kwang SONG, SEOKHYUN NAM, Juyoung YOON
  • Delay-locked loop (DLL) circuit apparatus and method for locking thereof
    Patent number: 8933736
    Abstract: A DLL circuit apparatus and a DLL locking method are provided. A control signal voltage value corresponding to a DLL locking state is stored, and a DLL unlocking state is detected when a change in control signal voltage value or a phase difference of clock signals occurs. When the DLL unlocking occurs, the DLL is locked again using the stored control signal voltage value. Accordingly, DLL unlocking from DLL locking state is quickly detected, and a fast DLL locking time occurs.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: January 13, 2015
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventor: Jung Hyun Kim
  • Method for transmitting preamble, synchronization method of wireless node and apparatus thereof
    Patent number: 8929314
    Abstract: The embodiments of the present invention are directed to a method and apparatus that synchronize radio nodes using preambles in a radio communication system. An embodiment of the present invention relates to a method of transmitting preambles by a radio node. The method includes generating a first preamble indicating a system bandwidth and a carrier configuration, generating a second preamble indicating a segment identifier used for obtaining a node identifier, allocating the first preamble to a first preamble carrier set, allocating the second preamble to a second preamble carrier set corresponding to the segment identifier, and transmitting the first preamble to a receiving node through the first preamble carrier set and the second preamble to the receiving node through the second preamble carrier set.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: January 6, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Hyun Kim, Ji Hung Kim, Hyun Jae Kim, Kwang Jae Lim, Dong Seung Kwon
  • SWITCHED-MODE POWER SUPPLY USING VARIABLE BIAS CURRENT
    Publication number: 20150002122
    Abstract: There is provided a switched-mode power supply including: a PWM control unit generating a clock signal having pulse widths of the clock depending on a load to provide a path switching signal; a clock counter counting the clock signal to generate a control signal; a current source generating a current; a current mirroring circuit unit having a plurality of upper side current mirroring units respectively mirroring the current from the current source to create a current having a predetermined amplitude; a first current adjusting unit individually selecting a portion of the plurality of upper side current mirroring units according to the control signal; and a path switching circuit unit switched according to the path switching signal so as to select a charging path between the first current adjusting unit and a power switch or a discharging path between the power switch and the ground.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwan CHO, Jung Hyun KIM, Jung Chul GONG
  • SEMICONDUCTOR MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME
    Publication number: 20140369109
    Abstract: A semiconductor memory device includes a plurality of word lines each of which are connected to a plurality of memory cells, a row control unit suitable for sequentially activating and precharging a word line corresponding to a target address and a predetermined (N) number of adjacent word lines during a target activation mode, and a mode exit control unit suitable for counting the number of activation operations by the row control unit during the target activation mode to determine whether or not to exit from the target activation mode.
    Type: Application
    Filed: December 5, 2013
    Publication date: December 18, 2014
    Applicant: SK hynix Inc.
    Inventors: Yo-Sep LEE, Jung-Hyun KIM
  • Delivery apparatus for medical fluid in box type with a syringe
    Patent number: 8911404
    Abstract: Disclosed is a delivery apparatus for medical fluid, in which a body is fabricated in a box shape and a cover is detachably coupled to the body, thereby facilitating the repairing work for the delicate malfunction of the apparatus and a fluctuation-prevention member is provided such that a syringe makes a vertical movement after the installation of the syringe even if the body is fabricated in the box shape.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: December 16, 2014
    Inventor: Jung Hyun Kim
  • SEMICONDUCTOR SYSTEM AND SEMICONDUCTOR PACKAGE
    Publication number: 20140355370
    Abstract: A semiconductor system includes a plurality of memory chips. Each of the memory chips includes an oscillator suitable for generating a periodic wave in a self refresh mode, and a delay unit suitable for delaying the periodic wave to generate a refresh pulse and for setting a delay value based on a corresponding chip identification.
    Type: Application
    Filed: September 19, 2013
    Publication date: December 4, 2014
    Applicant: SK hynix Inc.
    Inventor: Jung-Hyun KIM
  • DELAY-LOCKED LOOP (DLL) OPERATION MODE CONTROLLER CIRCUIT AND METHOD FOR CONTROLLING THEREOF
    Publication number: 20140347106
    Abstract: A delay-locked loop (DLL) operation mode control circuit and corresponding method are provided in which one of the output values from a display driver IC (DDI) is detected to switch a DLL block to standby mode. In examples, a CLKP/N frequency and CLKP/N common terminal voltage status are used to switch mode. Accordingly, since inoperable frequency domains otherwise present in a normal mode interval of the DLL block is included into standby mode, more stable operation of the DLL circuit is provided.
    Type: Application
    Filed: March 12, 2014
    Publication date: November 27, 2014
    Applicant: MAGNACHIP SEMICONDUCTOR, LTD.
    Inventors: Jung Hyun KIM, Brian CHUNG, Steve KANG
  • DELAY-LOCKED LOOP (DLL) CIRCUIT APPARATUS AND METHOD FOR LOCKING THEREOF
    Publication number: 20140347107
    Abstract: A DLL circuit apparatus and a DLL locking method are provided. A control signal voltage value corresponding to a DLL locking state is stored, and a DLL unlocking state is detected when a change in control signal voltage value or a phase difference of clock signals occurs. When the DLL unlocking occurs, the DLL is locked again using the stored control signal voltage value. Accordingly, DLL unlocking from DLL locking state is quickly detected, and a fast DLL locking time occurs.
    Type: Application
    Filed: April 8, 2014
    Publication date: November 27, 2014
    Applicant: MAGNACHIP SEMICONDUCTOR, LTD.
    Inventor: Jung Hyun KIM
  • 6-pyrazolylamido-3-substituted azabicyclo[3.1.0]hexane compounds as calcium channel inhibitors
    Patent number: 8895602
    Abstract: The present invention relates to a 6-pyrazolylamido-3-substituted azabicyclo[3.1.0]hexane derivatives useful as calcium channel blockers, pharmaceutically acceptable salts thereof and medical use of the calcium channel inhibiting effect of the compounds for treatment of diseases.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: November 25, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Ghil Soo Nam, Kyung Il Choi, Ae Nim Pae, Seon Hee Seo, Hyun Ah Choo, Gyo Chang Keum, Jung Hyun Kim
  • NOVEL 6-PYRAZOLYLAMIDO-3-SUBSTITUTED AZABICYCLO[3.1.0]HEXANE COMPOUNDS AS CALCIUM CHANNEL INHIBITORS
    Publication number: 20140343295
    Abstract: The present invention relates to a 6-pyrazolylamido-3-substituted azabicyclo[3.1.0]hexane derivatives useful as calcium channel blockers, pharmaceutically acceptable salts thereof and medical use of the calcium channel inhibiting effect of the compounds for treatment of diseases.
    Type: Application
    Filed: August 29, 2013
    Publication date: November 20, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ghil Soo NAM, Kyung Il CHOI, Ae Nim PAE, Seon Hee SEO, Hyun Ah CHOO, Gyo Chang KEUM, Jung Hyun KIM
  • Delay-locked loop (DLL) operation mode controller circuit and method for controlling thereof
    Patent number: 8890593
    Abstract: A delay-locked loop (DLL) operation mode control circuit and corresponding method are provided in which one of the output values from a display driver IC (DDI) is detected to switch a DLL block to standby mode. In examples, a CLKP/N frequency and CLKP/N common terminal voltage status are used to switch mode. Accordingly, since inoperable frequency domains otherwise present in a normal mode interval of the DLL block is included into standby mode, more stable operation of the DLL circuit is provided.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: November 18, 2014
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jung Hyun Kim, Brian Chung, Steve Kang
  • System and method for fingerprinting for comics
    Patent number: 8873863
    Abstract: The present disclosure relates to a system and a method for finger printing for comics. A system for searching comics according to the present disclosure includes: a fingerprint database storing fingerprints extracted from comics, a comics fingerprint extraction unit extracting fingerprints configured of at least one of box frames, cuts, and speech bubbles included in input comic images, a fingerprint based candidate group search unit searching candidate groups among comics stored in the fingerprint database using the extracted fingerprints, and a similarity measuring unit measuring similarity between the searched candidate groups and the comic images corresponding to the extracted fingerprints.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jee Hyun Park, Yong Suk Yoon, Sang Kwang Lee, Jung Hyun Kim, Seung Jae Lee, Sung Min Kim, Yong Seok Seo, Jung Ho Lee, Young Ho Suh, Won Young Yoo
  • METHOD AND APPARATUS FOR EXCHANGING NETWORK CODING-BASED INFORMATION
    Publication number: 20140293830
    Abstract: An information exchange apparatus of each node for sharing information between a plurality of nodes receives request information from an adjacent node and determines an information transmitting node based on information that each node holds and request information from the adjacent node, and an information exchange apparatus of a node that is determined to be an information transmitting node generates candidate transmitting information by performing network coding of at least one information set of held information, determines one of candidate transmitting information sets as transmitting information, and transmits the candidate transmitting information set to the adjacent node.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Hyun KIM, Jihyung KIM, Hyun-jae KIM, Kwang Jae LIM, DongSeung Kwon
  • KEY INPUT METHOD AND APPARATUS USING RANDOM NUMBER IN VIRTUAL KEYBOARD
    Publication number: 20140282204
    Abstract: A method and an apparatus for key input by using a random number in a virtual keyboard in a portable terminal are provided. The method includes sending, to a server, a request for random number generation; receiving a random number generated in response to the request; displaying a virtual keyboard that activates keys corresponding to the received random number; and receiving, through the displayed virtual keyboard, an input of keys.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kyu PARK, Hye-Won Cho, Jung-Hyun Kim, Kyung-Soo Lee, Il-Ho Lee
  • TOUCH SCREEN PANEL AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20140267953
    Abstract: In a method of manufacturing a touch screen panel, first sensing electrodes are formed in an active area of a substrate and are connected in a first direction, and second sensing electrodes are connected in a second direction that intersects the first direction. The method includes forming outside wiring lines for connecting the first and second sensing electrodes to an external driving circuit in units of lines in a non-active area positioned outside an active area of the substrate, forming bridge patterns for electrically connecting the first sensing electrodes in the active area of the substrate, forming insulating layer patterns for insulating the second sensing electrodes and the bridge patterns from each other on the bridge patterns, and forming the first and second sensing electrodes on the substrate where the outside wiring lines, the bridge patterns, and the insulating layer patterns are formed.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 18, 2014
    Inventors: Jung-Hyun KIM, Sung-Ki JUNG, Chung-Soo HA, Young-Sam SEO