Patents by Inventor Sung Kyu Kim
Sung Kyu 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).
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Publication number: 20150013574Abstract: The present invention relates to an automated teller machine having an EPP guard cave formed therein. More particularly, the present invention relates to an automated teller machine having an EPP guard cave formed therein, in which the EPP guard cave is recessively formed on the front surface of the automated teller machine toward the inside thereof and an encrypting pin pad (EPP) is installed inside the EPP guard cave formed as such, so that a user may conveniently use the automated teller machine without anxiety by effectively preventing the procedure of inputting personal information by the user from being exposed to surroundings or other people through a concaved structure without a separate structure such as an EPP guard plate since the user may put a hand into the EPP guard cave and input the personal information through the EPP when the user inputs the personal information through the EPP for a banking transaction.Type: ApplicationFiled: December 19, 2013Publication date: January 15, 2015Applicant: Nautilus Hyosung Inc.Inventors: Chan Won Park, Sung Kyu KIM, Du Yong MOH, Dong Hee LEEM, Jae Min CHA
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Publication number: 20150015681Abstract: The present invention relates to a 3D image display device and includes an image display panel for displaying a 3D image, a control unit for controlling a viewpoint image, and a viewer position tracking system for determining the position of a viewer's pupil and transmitting positional information to the control unit, wherein the image display panel provides multiple viewpoints such as four or more viewpoints, and the intersection of the viewing zone for any one of the multiple viewpoints with the field of view of an adjacent viewpoint is at least 85% of the maximum brightness of one viewpoint.Type: ApplicationFiled: August 8, 2012Publication date: January 15, 2015Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20150014019Abstract: Provided are a three-phase coaxial superconducting power cable and a structure thereof. A certain space is formed between adjacent superconducting wires of a superconducting layer (disposed at an outer portion) having more superconducting wires among a plurality of superconducting layers, and another wire is disposed in the space, or the superconducting wires of the respective superconducting layers are disposed to have different critical currents. Accordingly, a waste of superconducting wires is prevented, and the optimized three-phase coaxial superconducting power cable is provided.Type: ApplicationFiled: July 11, 2013Publication date: January 15, 2015Inventors: Min Won PARK, In Keun YU, Sang Jin LEE, Sung Kyu KIM, Sun Kyoung HA
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Publication number: 20140369075Abstract: A system and a method for controlling a DC-DC converter include a microcomputer for deriving an input limiting current value by dividing an input limiting power value by an input voltage value. A conversion circuit scales the input limiting current value to a limiting voltage value. A voltage control circuit derives a control voltage value based on an output voltage value and a reference voltage value and defines the limiting voltage value as a control voltage limiting value. A current control circuit generates a pulse width modulation (PWM) control signal based on the control voltage value.Type: ApplicationFiled: September 10, 2013Publication date: December 18, 2014Applicant: Hyundai Motor CompanyInventors: Won Kyoung CHOI, Hui Sung JANG, Sung Kyu KIM, Mu Shin KWAK, Hyun Wook SEONG, Su Hyun BAE
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Patent number: 8912736Abstract: Disclosed is a DC/DC converter system that, after calculating required voltages of the first and second motors based on the magnetic flux and speeds of the first and second motors, the voltage supplied to inverters is controlled by a final voltage command determined as a larger value of the battery voltage and the final required voltage. In particular, the final required voltage is determined as a larger value of the required voltages of the first and second motors.Type: GrantFiled: July 25, 2012Date of Patent: December 16, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Kyu Kim, Wonkyoung Choi, Mu Shin Kwak, Suhyun Bae
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Patent number: 8907613Abstract: Disclosed are a system and a method for controlling a motor of an electric vehicle. In particular, an output voltage from a battery used to provide power to a motor of an electric vehicle, a speed and a torque of the motor are used to generate a magnetic flux based current control map. A current control command is then generated using the magnetic flux based current control map.Type: GrantFiled: August 10, 2012Date of Patent: December 9, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Kyu Kim, Wonkyoung Choi, Mu Shin Kwak, Suhyun Bae
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Publication number: 20140333678Abstract: Disclosed is an image display apparatus for switching a two-dimensional (2D) mode and a three-dimensional (3D) mode. The image display apparatus includes a display panel in which pixels are arranged, a back light line source arranged so as to be spaced apart from the display panel, a fixed light diffusion plate arranged between the display panel and the back light line source, and a control unit controlling to switch the 2D mode and the 3D mode, wherein 3D line sources forming at least one set are arranged in the back light line source so as to be spaced apart from each other at regular intervals, and a 2D line source is arranged between the 3D line sources arranged so as to be spaced apart from each other.Type: ApplicationFiled: December 6, 2013Publication date: November 13, 2014Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Publication number: 20140232837Abstract: Disclosed is a multi-view three-dimensional (3D) image display apparatus using a modified common viewing zone. The multi-view 3D image display apparatus may use a modified common viewing zone between a central viewing zone (common viewing zone) of the multi-view 3D image display apparatus and a central viewing zone (parallel viewing zone) of a 3D image display apparatus employing an integral photography method, or form a common viewing zone at an optimum viewing distance (OVD) of the multi-view 3D image display apparatus and use a modified common viewing zone in an area beyond the OVD.Type: ApplicationFiled: December 5, 2013Publication date: August 21, 2014Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Patent number: 8810228Abstract: The present invention relates to a method for compensating a current of a DC/DC converter that detects an average value of a pulsatory current that is output as a chopping wave form from an inductor that is used in a DC/DC converter to compensate an offset value in real time. A method for compensating a current of a DC/DC converter can include analyzing a PWM signal for a switching DC-DC converter, if the PWM signal is on, comparing a delay time with a rise half cycle size between a detected current and a real current that is output by an inductor, calculating a current variation amount and determining an offset compensation value for compensating a current variation amount according to the comparison result of the rise half cycle size and the delay time, and applying the offset compensation value to compensate the detected current of the inductor.Type: GrantFiled: June 26, 2012Date of Patent: August 19, 2014Assignee: Hyundai Motor CompanyInventors: Sung Kyu Kim, Wonkyoung Choi, Mu Shin Kwak, Suhyun Bae
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Publication number: 20140183941Abstract: A fail-safe method and apparatus for high voltage parts in a hybrid vehicle is provided. In the fail-safe method, it is determined whether or not a high voltage main relay is turned off. Here, when the high voltage main relay is turned off, a voltage is charged into a direct current (DC) link using a counter electromotive force generated in a motor generator linked with a revolution of an engine. Voltage control is performed such that the voltage of the DC link is uniformly maintained using an inverter for the motor generator.Type: ApplicationFiled: November 21, 2013Publication date: July 3, 2014Applicant: HYUNDAI MOTOR COMPANYInventors: Su Hyun Bae, Young Kook Lee, Seong Yeop Lim, Won Kyoung Choi, Sung Kyu Kim, Jin Hwan Jung, Mu Shin Kwak
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Publication number: 20140138788Abstract: Various aspects of the present disclosure provide a semiconductor device, for example comprising a finger print sensor, and a method for manufacturing thereof. Various aspects of the present disclosure may, for example, provide an ultra-slim finger print sensor having a thickness of 500 ?m or less that does not include a separate printed circuit board (PCB), and a method for manufacturing thereof.Type: ApplicationFiled: November 18, 2013Publication date: May 22, 2014Applicant: Amkor Technology, Inc.Inventors: Jin Young Kim, No Sun Park, Yoon Joo Kim, Seung Jae Lee, Se Woong Cha, Sung Kyu Kim, Jo Hoon Yoon
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Publication number: 20140103843Abstract: Provided is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (NVH) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (PWM) signal according to a switching frequency and a sampling frequency and controls ON/OFF driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency.Type: ApplicationFiled: October 9, 2013Publication date: April 17, 2014Applicant: HYUNDAI MOTOR COMPANYInventors: Su Hyun Bae, Won Kyoung Choi, Sung Kyu Kim, Mu Shin Kwak
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Publication number: 20140103854Abstract: Disclosed is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (NVH) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (PWM) signal according to a switching frequency and a sampling frequency and controls ON/OFF driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency.Type: ApplicationFiled: December 17, 2012Publication date: April 17, 2014Applicant: HYUNDAI MOTOR COMPANYInventors: Su Hyun Bae, Won Kyoung Choi, Sung Kyu Kim, Mu Shin Kwak
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Patent number: 8690422Abstract: The present invention provides a method for measuring the temperature of a motor for a hybrid electric vehicle. In preferred embodiments, the method of the present invention can preferably ensure the stability and reliability of motor control by extending the linearity of a temperature sensor attached to the motor within a required measurement range. The present invention preferably provides a method for measuring the temperature of a motor for a hybrid electric vehicle, in which a required measurement range of motor temperature is divided into high and low temperature ranges and a hardware gain circuit is divided into first and second gain blocks such that the first gain block measures the temperature of the high temperature range and the second gain block measures the temperature of the low temperature range.Type: GrantFiled: June 9, 2010Date of Patent: April 8, 2014Assignee: Hyundai Motor CompanyInventors: Chul Woo Kim, Bum Sik Kim, Tae Hwan Chung, Young Kook Lee, Jin Hwan Jung, Sang Hyeon Moon, Sung Kyu Kim, Jae Won Lee
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Patent number: 8686671Abstract: The present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, thereby stably controlling the motor current during high-torque and high-speed operation. In preferred aspects, the present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, the method including collecting resolver position data; determining whether to perform resolver position correction in the corresponding vehicle; and compensating nonlinearity of the resolver based on the collected resolver position data, if it is determined that the resolver position correction is not performed.Type: GrantFiled: August 10, 2010Date of Patent: April 1, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Yong Jeon, Shin Hye Chun, Won Kyoung Choi, Bum Sik Kim, Young Kook Lee, Jin Hwan Jung, Sang Hyeon Moon, Sung Kyu Kim
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Publication number: 20140077366Abstract: A wafer level fan-out package with a fiducial die is disclosed and may include a semiconductor die and a transparent fiducial die both encapsulated in a molding compound resin, passivation layers on an upper surface and a lower surface of the molding compound resin except where redistribution layers are formed on upper and lower surfaces of the molding compound resin, and a metal pattern on a lower surface of the transparent fiducial die that is visible through an exposed upper surface of the transparent fiducial die. The pattern may comprise a standard coordinate for forming a through mold via utilizing laser drilling.Type: ApplicationFiled: August 9, 2013Publication date: March 20, 2014Inventors: Sung Kyu Kim, Jin Young Kim, Yoon Joo Kim, Jin Han Kim, Seung Jae Lee, Se Woong Cha, Jae Hun Bae, Dong Jin Kim, Won Myoung Ki
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Patent number: 8663388Abstract: Disclosed are a single crystal wire and other single crystal articles, and a manufacturing method thereof. The method comprises the steps of: placing into a growth crucible at least one metal selected from the group consisting of gold, copper, silver, aluminum and nickel; heating and melting the metal placed in the growth crucible; growing a single crystal using metal crystal as a seed by Czochralski or Bridgman method; cutting the grown single crystal by electric discharge machining; and machining the cut single crystal and producing a wire or other articles such as a ring. In the method, the grown metal single crystal is cut into a disc-shaped piece by electric discharge machining. The piece is transformed into a single crystal wire or other articles by wire-cut electric discharge machining, and the single crystal wire can be used as a ring, a pendant, or a wire for high-quality cables for audio and video systems.Type: GrantFiled: May 6, 2009Date of Patent: March 4, 2014Assignee: Korea Electrotechnology Research InstituteInventors: Se Young Jeong, Chae Ryong Cho, Sang Eon Park, Sung Kyu Kim
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Publication number: 20140042600Abstract: A semiconductor package and manufacturing method thereof are disclosed and may include a first semiconductor device comprising a first bond pad on a first surface of the first semiconductor device, a first encapsulant material surrounding side edges of the first semiconductor device, and a redistribution layer (RDL) formed on the first surface of the first semiconductor device and on a first surface of the encapsulant material. The RDL may electrically couple the first bond pad to a second bond pad formed above the first surface of the encapsulant material. A second semiconductor device comprising a third bond pad on a first surface of the second semiconductor device may face the first surface of the first semiconductor device and be electrically coupled to the first bond pad on the first semiconductor device. The first surface of the first semiconductor device may be coplanar with the first surface of the encapsulant material.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Inventors: Jin Young Kim, No Sun Park, Yoon Joo Kim, Choon Heung Lee, Jin Han Kim, Seung Jae Lee, Se Woong Cha, Sung Kyu Kim, Glenn Rinne
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Patent number: 8610711Abstract: The present invention relates to a autostereoscopic image display device capable of observing a natural three-dimensional image without crosstalk or pseudo-stereoscopic zone between optimal viewpoints and without using special glasses. The three-dimensional image display device of the present invention includes: a display panel configured to display image information of at least two viewpoints; an optical substrate that is separately disposed from the display panel at a predetermined distance, the optical substrate being configured to form at least one intermediate viewing zone between left and right viewing zones included in base viewing zones corresponding to two viewpoints, which are observed when a position of an observer moves horizontally; and a control unit configured to provide the image information corresponding to the respective viewpoints at the base viewing zones and remove image information from the at least one intermediate viewing zone.Type: GrantFiled: May 19, 2011Date of Patent: December 17, 2013Assignee: Korea Institute of Science and TechnologyInventors: Sung Kyu Kim, Jinwook Kim, Seon Kyu Yoon
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Publication number: 20130328508Abstract: Disclosed is a method for controlling a permanent magnet synchronous motor to maximize use of voltages of a battery by voltage phase control within weak magnetic flux area and to achieve compensation for a torque error through a torque compensator when driving the permanent magnet synchronous motor for hybrid vehicles. In particular, the method controls a permanent magnet synchronous motor so that voltage use can be maximized in a weak magnetic flux area by using voltage near maximum voltage through voltage phase control utilizing magnetic flux-based map data receiving a torque command and motor speed/batter output voltage as inputs and torque error can be compensated using a torque compensation filter when a motor constant is changed in the weak magnetic flux by a circumstance parameter, when the permanent magnet synchronous motor mounted in a hybrid vehicle and an electric vehicle is driven.Type: ApplicationFiled: October 17, 2012Publication date: December 12, 2013Applicants: Hyundai Motor Company, Industry-Academic Cooperation Foundation, Yeungnam University, Kia Motors CorporationInventors: Su Hyun Bae, Sung Kyu Kim, Won Kyoung Choi, Mu Shin Kwak, Jul Ki Seok, Se Hwan Kim