Patents by Inventor Tae Won

Tae Won 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).

  • Patent number: 8482328
    Abstract: The present invention provides a switching device and a method for preventing malfunction of the same. The switching device includes: a controller for outputting a plurality of digital control signals; a protecting unit connected to the controller for protecting all signals when the plurality of digital control signals outputted from the controller are simultaneously received at a state of ON; a gate driver connected to the protecting unit for generating a switch control signal by converting the control signal passed through the protecting unit; and a plurality of switches connected to the gate driver for individually performing ON•OFF operations according to each of the switching control signals.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: July 9, 2013
    Assignees: Samsung Electro-Mechanics Co., Ltd., Industry Foundation of Chonnam National University
    Inventors: Tae Hoon Kim, Tae Won Lee, Kwang Soo Choi, Se Ho Lee, Doo Young Song, Don Sik Kim, Sung Jun Park, Min Ho Heo
  • Publication number: 20130140828
    Abstract: A wind power generator is provided. The wind power generator includes a hub in which rotor blades are installed, a driver, in which the hub is rotatably installed, for transmitting torque received from the hub, and a nacelle including a generator for generating electricity using the torque received from the driver. The hub is rotatably installed in the nacelle by a main shaft on one side of which a flange connected to the hub is formed and on the other side of which a rotating body connected to the driver is formed. Air flow holes through which air may flow from the inside of the hub to the inside of the nacelle are formed in the flange of the main shaft.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 6, 2013
    Applicant: SAMSUNG HEAVY IND. CO., LTD.
    Inventors: Kyungmin Ko, Tae Won Yoon, Samsang Kwon, Chunsik Lee
  • Patent number: 8455121
    Abstract: A system for activating a fuel cell includes a flow meter for measuring the amount of water discharged from an outlet of the air electrode and an outlet of the fuel electrode; a pressure sensor for measuring the pressure at the respective outlets; and a back pressure regulator receiving flow values measured by the flow meters and pressure values measured by the pressure sensors, which are fed back from a controller, and regulating a pressure difference (?P=PCathode?PAnode) to be a value greater than 0. With the system, the activation time of a fuel cell and the amount of hydrogen used for the activation can be reduced, thus improving the productivity and manufacturing cost.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: June 4, 2013
    Assignee: Hyundai Motor Company
    Inventors: Tae Won Lim, Sae Hoon Kim, Sang Yeoul Ahn, Bo Ki Hong, Byung Ki Ahn
  • Patent number: 8446510
    Abstract: Provided are a method and apparatus for measuring the skin condition of a face detected from an image and improving the face image. The apparatus for improving a face image in a digital image processor comprises a digital signal processor measuring the skin condition of a face detected from an image, correcting a rough portion of the skin of the detected face according to the measured skin condition and displaying the corrected image.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: May 21, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-yun Lee, Jae-won Jang, Inh-seok Suh, Tae-won Moon
  • Publication number: 20130121038
    Abstract: Disclosed herein are a converter, a method for controlling the same, and an inverter. The converter includes: an input terminal having power input thereto; a first converter unit converting the power input to the input terminal to thereby output the converted power to an output terminal; and a second converter unit connected between the input terminal and the output terminal while being in parallel with the first converter unit, wherein each of the first and second converter units includes an active clamp unit provided at a primary side thereof and a synchronous rectifying unit provided at a secondary side thereof.
    Type: Application
    Filed: May 29, 2012
    Publication date: May 16, 2013
    Inventors: Dong Kyun RYU, Tae Won LEE, Young Ho KIM, Chung Yuen WON, Yong Hyok JI
  • Patent number: 8436703
    Abstract: A method for winding a coil on an object, wherein the coil includes a plurality of first coils and a plurality of second coils, may have winding the first coils on an exterior circumferences of the second coils, wherein an outer circumferences of the respective second coil is enclosed and in contact with outer circumference of at least three first coils, and wherein cross-sectional area of the second coil is smaller than that of the first coil, and wherein the outer circumference of the at least three first coils are in contact each other.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: May 7, 2013
    Assignee: Hyundai Motor Company
    Inventor: Tae Won Lee
  • Patent number: 8431461
    Abstract: A method for forming devices with silicon gates over a substrate is provided. Silicon nitride spacers are formed on sides of the silicon gates. An ion implant is provided using the silicon nitride spacers as masks to form ion implant regions. A nonconformal layer is selectively deposited over the spacers and gates that selectively deposits a thicker layer on tops of the gates and spacers and between spacers than on sidewalls of the silicon nitride spacers. Sidewalls of the nonconformal layer are etched away on sidewalls of the silicon nitride spacers. The silicon nitride spacers are trimmed.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 30, 2013
    Assignee: Lam Research Corporation
    Inventors: Qinghua Zhong, Yoshie Kimura, Tae Won Kim, Qian Fu, Gladys Lo, Ganesh Upadhyaya, Yoko Yamaguchi
  • Patent number: 8428469
    Abstract: A method and an apparatus are provided for guaranteeing terminal mobility in a time division visible light communication system. In resource assignment in a position where the visible light communication terminal changes a cell, the terminal is assigned a resource to be used in a next cell in a cell boundary area from a communication coordinator, thereby guaranteeing the continuous mobility. The visible light communication system informs the terminal of cell boundary notice information for easily informing the terminal of the cell definition so that the terminal can recognize that the terminal is currently located in the cell boundary and is necessary to change the resource.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Do-Young Kim, Eun-Tae Won, Young-Kwon Cho, Tae-Han Bae, Sun-Gi Gu, Jae-Seung Son
  • Publication number: 20130096091
    Abstract: The present invention relates to a composition for preventing or treating osteoporosis which comprises an ibandronic acid, or a pharmaceutically acceptable salt thereof, or a hydrate thereof, and vitamin D. The present invention relates to a composition for preventing or treating osteoporosis which has uniform medicinal effects by minimizing the differences in physical properties between ibandronic acid, or the pharmaceutically acceptable salt thereof, or the hydrate thereof, and vitamin D.
    Type: Application
    Filed: June 3, 2011
    Publication date: April 18, 2013
    Inventors: Sang-Geun Park, Chang-Kyoo Lee, Tae-Won Lee
  • Publication number: 20130094267
    Abstract: There is provided an even-level inverter, including: a voltage-dividing circuit dividing input DC power into an even number of voltage levels; a plurality of switching devices connected to individual nodes of the voltage-dividing circuit having the even number of voltage levels; and a bidirectional switching device connected to the individual nodes of the voltage-dividing circuit through at least one of the plurality of switching devices and including at least two transistors. According to the present invention, the bidirectional switching device is implemented without a diode to thereby reduce conduction loss caused due to an anti-parallel diode included in the related art bidirectional switching device, and a neutral point of the voltage-dividing circuit is electrically separated from the switching devices to thereby control reactive power.
    Type: Application
    Filed: February 1, 2012
    Publication date: April 18, 2013
    Inventors: Min Ho HEO, Tae Hoon KIM, Sung Jun PARK, Doo Young SONG, Tae Won LEE
  • Patent number: 8422258
    Abstract: Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: April 16, 2013
    Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Jin Wook Kim, Tae Won Lee, Dong Seong Oh, Yong Hyok Ji, Byoung Kuk Lee, Chung Yuen Won, Jae Hyung Kim, Young Ho Kim
  • Patent number: 8406022
    Abstract: There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: March 26, 2013
    Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Tae Hoon Kim, Jae Hyung Kim, Jun Gu Kim, Yong Hyok Ji, Chung Yuen Won, Doo Young Song, Byoung Kuk Lee, Dong Seong Oh, Tae Won Lee, Jin Wook Kim
  • Publication number: 20130068420
    Abstract: An oxygen supplying apparatus of a melting furnace, in which waste contained within the melting furnace is stirred by using an oxygen supplying member of the melting furnace, includes an air cooling member provided in a through hole formed on the melting furnace and mounted on the oxygen supplying member to allow an outside air to enter thereto.
    Type: Application
    Filed: May 8, 2012
    Publication date: March 21, 2013
    Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.
    Inventors: Hyun Je CHO, Deuk Man Kim, Seok Mo Choi, Cheon Woo Kim, Tae Won Hwang
  • Publication number: 20130070803
    Abstract: A melting furnace includes a gas supplying unit configured to protrude inwardly of the melting furnace to supply a gas to the melting furnace, the gas supplying unit including a gas supplying pipe configured to penetrate the melting furnace to protrude inwardly of the melting furnace and configured to have a nozzle hole formed at a front end thereof; and a cooling passage pipe provided outside the gas supplying pipe to include a second cooling passage through which a cooling liquid flows, the second cooling passage being directly connected to a first cooling passage through which the cooling liquid is circulated along a wall of the melting furnace.
    Type: Application
    Filed: May 8, 2012
    Publication date: March 21, 2013
    Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.
    Inventors: Deuk Man KIM, Hyun Je Cho, Seok Mo Choi, Cheon Woo Kim, Tae Won Hwang
  • Publication number: 20130063082
    Abstract: Methods and apparatus are provided for controlling a wireless power receiver for wirelessly receiving power. A drive power for driving the wireless power receiver is received from a wireless power transmitter. A communication network is established with the wireless power transmitter. A wireless power network that is controlled by the wireless power transmitter is joined. A charge power is received from the wireless power transmitter.
    Type: Application
    Filed: September 10, 2012
    Publication date: March 14, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Woo LEE, Eun-Tae Won, Young-Min Lee, Se-Ho Park, Noh-Gyoung Kang, Kang-Ho Byun
  • Patent number: 8396138
    Abstract: Disclosed are a system and a method for controlling wireless network access information in using a removable external modem. These relates to a case where a removable external modem among devices for a wireless access server (e.g. WiMAX) is connected with a host customer electronics (CE) device so as to be used. Particularly, in a case where the removable external modem, which has no information for accessing a specific network, e.g. operator Lock, a roaming list, a credential, operator ID, etc., when it is introduced, receives network access information through initial access, registration, and provisioning step, and is connected to other device to be used, the modem can be directly connected to a network of an existing registered network communication provider without a separate supplementary registration or a provisioning step.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: March 12, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hae-Young Jun, Jai-Dong Kim, Eun-Tae Won, Wuk Kim, Ji-Cheol Lee, Ji-Eun Keum
  • Patent number: 8380081
    Abstract: A method and apparatus for allocating resources of a Visible Light Communication (VLC) terminal in a VLC system. The VLC terminal receives a beacon message from a base station, coordinates time synchronization with the base station, searches for an available wavelength channel, constructs available wavelength channel information, and transmits an initial access request using a basic time slot channel and a basic wavelength channel. The base station considers the available wavelength channel information and a current channel allocation condition, allocates an appropriate channel, and transmits channel allocation information to the VLC terminal. The VLC terminal and the base station communicate data with each other using an allocated time slot channel included in the channel allocation information and an allocated wavelength channel included in the channel allocation information.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: February 19, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Do-Young Kim, Eun-Tae Won, Tae-Han Bae, Sun-Gi Gu, Jae-Seung Son
  • Patent number: 8380977
    Abstract: A peer-to-peer communication method for NFC is provided. A link-level security is started by exchanging a link-level security request and a link-level security response between an initiator terminal and a target terminal, then transmission data are encrypted at link-level security layers of the initiator terminal and the target terminal, and the encrypted data are exchanged between the initiator terminal and the target terminal. The link-level security is released by exchanging a link-level security release request and a link-level security release response between the initiator terminal and the target terminal.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: February 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Seung Son, Eun-Tae Won, Jong-Hoon Ann
  • Patent number: 8380082
    Abstract: A method and apparatus are provided for outputting a visibility frame for a communication link connection during a communication link release in a Visible Light Communication (VLC) system. A transmitting-side VLC device determines a visibility frame output type according to a communication mode to be performed. The communication mode and the visibility frame output type are transmitted to a receiving-side VLC device. The receiving-side VLC device is communicated with according to the communication mode and it is determined whether a communication link is released while performing communication according to the communication mode. When the communication link is released, outputting a visibility frame according to the visibility frame output type.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: February 19, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Do-Young Kim, Eun-Tae Won, Tae-Han Bae, Sun-Gi Gu, Jae-Seung Son
  • Patent number: 8374201
    Abstract: For use in visible light communication (VLC), methods for synchronization with multiple topology support and for transmitting an extended preamble. The method for synchronization includes transmitting a two-part preamble sequence. The preamble sequence includes one or more repetitions of a fast locking pattern (FLP) configured to be used for clock synchronization, and one or more repetitions of a topology dependent pattern (TDP) configured to be used to distinguish a plurality of VLC topologies. The method for transmitting an extended preamble includes generating an extended preamble and transmitting the extended preamble during a receive or idle mode for maintaining visibility support and for better synchronization performance.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: February 12, 2013
    Assignee: Samsung Electronics Co., ltd.
    Inventors: Sridhar Rajagopal, Eun Tae Won, Ying Li