Jae Hwa
Jae Hwa Chung, Daejeon-Si KR
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20100107643 | TRIPLE SWIRL GAS TURBINE COMBUSTOR - Disclosed is a triple swirl gas turbine combustor using various fuels such as coal gas, DiMethyl Ether, and waste gas generated in an ironworks in a gas turbine. The triple swirl gas turbine combustor combusts three different fuels simultaneously or individually and various fuels such as LCV gas and HCV gas so that fuel flexibility can be improved. Swirl generated in a second swirler of the triple swirler is reversely jetted to increase a mixing degree of a fuel-air mixture and an intensity of a turbulent flow so that combustion efficiency can be increased, harmful exhaust gas can be reduced and vibration can be reduced. | 05-06-2010 |
Jae Hwa Jeong, Gyeonggi-Do KR
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20120279344 | PLANAR 3-DOF STAGE - The present invention relates to a planar 3-DOF (degree of freedom) stage, which includes: a transitional manipulator section having parallel 2-DOF; a rotation manipulator section having rotation 1-DOF so as to carry out motion independently from the transitional manipulator section; and a stage base mounted with the transitional manipulator section and the rotation manipulator section and having a fixing section inside and a driving section outside. According to the planar 3-DOF stage, transitional motion and rotational motion are independently carried out so that it is possible to reduce motion errors and simplify control and design. | 11-08-2012 |
Jae Hwa Kim, Seoul KR
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20150237728 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A printed circuit board according to the embodiment includes an insulating layer; a first pad on a top surface of the insulating layer; a second pad on a bottom surface of the insulating layer; and a via formed in the insulating layer and having one surface connected to the first pad and an opposite surface connected to the second pad, wherein the via includes a plurality of via parts which are at least partially overlapped with each other. | 08-20-2015 |
20150245486 | PRINTED CIRCUIT BOARD AND METHOD OF FABRICATING THE SAME - Disclosed is a printed circuit board including a base insulating layer, an upper insulating layer formed on the base insulating layer, a lower insulating layer formed under the base insulating layer. The upper insulating layer has a plurality of first vias filled in the first through holes, respectively, and the lower insulating layer has a second via filled in one second through hole formed through a top and a bottom surface and commonly connected with the first vias. | 08-27-2015 |
Jae Hwa Kim, Anyang-Si KR
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20130038090 | CENTER FLOOR PANEL ASSEMBLY FOR VEHICLE - A center floor panel assembly for a vehicle may include a first center floor panel and a second center floor panel mutually engaged to form a tunnel portion of a closed section in which a center muffler unit that may be provided in a vertical direction of a vehicle body may be accommodated, and provided in a continuous shape along a longitudinal direction of the vehicle body, and a support member provided in the tunnel portion between the first center floor panel and the second center floor panel and enclosing the center muffler unit to support the center muffler unit against the tunnel portion. | 02-14-2013 |
Jae Hwa Kwon, Daegu City KR
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20100141090 | ACOUSTIC SENSOR WITH PIEZO-ARRANGEMENT FILM - Provided is an acoustic sensor for measuring a sound wave propagating through a gas such as air or a fluid such as water and an elastic wave propagating through a solid medium, and more particularly, an acoustic sensor with a piezo-arrangement film capable of detecting frequencies in a broad band or amplifying a signal at a specific frequency by comparting a waveguide into an upper waveguide and a lower waveguide by means of a compartment diaphragm and arranging piezoelectric sensors on the compartment diaphragm in several forms. The acoustic sensor can be utilized as a resonant acoustic sensor in which the piezoelectric sensors are arranged on the compartment diaphragm in the same form so that a signal at a specific frequency overlaps for high sensibility or a broadband acoustic sensor in which the piezoelectric sensors are arranged in a different form to detect frequencies in a broad band. The sensor for measuring an acoustic wave includes a waveguide including a vibrating membrane for receiving the acoustic wave, an emitting membrane for emitting the acoustic wave, and a propagation medium filled therein for propagating the acoustic wave received by the vibrating membrane; a compartment diaphragm for computing the waveguide into an upper waveguide and a lower waveguide; an omni-directional endpoint processing unit formed at an end of the waveguide for absorbing the acoustic wave received by the vibrating membrane; and a plurality of piezoelectric sensors formed on the compartment diaphragm for detecting the acoustic wave. | 06-10-2010 |
Jae Hwa Lee, Busan KR
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20110020881 | METHOD OF PRODUCING BIOFUEL USING BROWN ALGAE - In a method of producing biofuel using brown algae, | 01-27-2011 |
20130217075 | METHOD OF PRODUCING BIOFUEL USING BROWN ALGAE - In a method of producing biofuel using brown algae, | 08-22-2013 |
20150026449 | METHOD OF MANAGING A SOLID STATE DRIVE, ASSOCIATED SYSTEMS AND IMPLEMENTATIONS - One embodiment of a method includes loading, by a memory controller, a boot image from a solid state drive to an operating memory of a computing system during an initialization operation of the computing system. The initialization operation initializes components of the computing system. | 01-22-2015 |
Jae Hwa Moon, Seoul KR
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20130022172 | X-RAY DEVICE AND METHOD FOR CONTROLLING X-RAY IRRADIATION AREA USING THE SAME - An X-ray device includes a camera to image an object and output the image of the object, a display member using a touch screen to display the image of the object output from the camera, and an X-ray irradiation region of the object, an X-ray irradiation region controller to control a region of the object to which an X-ray is irradiated, and a control member to enable the irradiation region controller to control the region of the object to which an X-ray is irradiated according to the X-ray irradiation region, when the X-ray irradiation region is determined, based on the image of the object displayed in the display member. | 01-24-2013 |
Jae Hwa Park, Yongin-City KR
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20150062512 | DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A display panel includes a first display substrate, a second display substrate facing the first display substrate and being coupled to the first display substrate, a liquid crystal layer interposed between the first display substrate and the second display substrate, an alignment layer disposed in a display area of at least one of the first and second display substrates, and a partition wall disposed in a peripheral area surrounding the display area of the first or second display substrate. The partition wall includes a body and a capping layer that covers an upper surface of the body. A width of the upper surface of the body is smaller than a width of the capping layer disposed on the body. | 03-05-2015 |
Jae-Hwa Kim, Suwon-Si KR
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20080254752 | APPARATUS AND METHOD FOR TRANSMITTING DATA AND APPARATUS AND METHOD FOR RECEIVING DATA - Provided are an apparatus and method for transmitting data and an apparatus and method for receiving data, in which beam forming is performed in consideration of the communication capabilities of antennas of stations that perform directional communication in a high-frequency band. The apparatus for transmitting data includes a communication-capability-determination module which determines the communication capability of a receiver (RX) antenna module of a receiving station based on communication-capability data transmitted by the receiving station; an antenna-control module which controls a transmitter (TX) antenna module according to a beam-forming mode determined based on the communication capability of the RX antenna module and the communication capability of the TX antenna module; and a communication module which transmits data through the TX antenna module, wherein the beam-forming mode determines whether to transmit a TX antenna weight vector (AWV) pattern, whether to receive a feedback response pattern and whether to transmit an RX AWV pattern. | 10-16-2008 |
20100027494 | WIRELESS NETWORK SYSTEM AND METHOD OF CONFIGURING THE SAME - Provided are a wireless network system and a method of configuring the same, more particularly, a wireless network system and a method of configuring the same, in which a wireless network station desiring to transmit or receive data in a high-frequency band notifies a wireless network coordinator of its carrier transmission method to enable the wireless network coordinator to efficiently manage a network. An apparatus for transmitting or receiving data includes: a request command generation unit which generates a request command to secure network resources required to transmit or receive data before actually transmitting or receiving the data over a network; and a communication unit which transmits the request command. | 02-04-2010 |
20100135259 | METHOD AND APPARATUS FOR CHANGING COMMUNICATION LINK BETWEEN SOURCE DEVICES AND SINK DEVICES - Provided is a method of changing a communication link between source devices and sink devices. The method includes in a first downlink period, broadcasting an uplink period allocation message to the sink devices and passive source devices by an active source device, which establishes a communication link with a primary sink device from among the sink devices; during a first uplink period, broadcasting by a primary passive source device a link set message for establishing a communication link with the primary sink device to all the source devices in the network; during a second downlink period, relaying the link set message to all the sink devices in the network, wherein the link set message is relayed by the active source device; and during a second uplink period, establishing a communication link between the primary sink device and the primary passive source device by the primary sink device. | 06-03-2010 |
20120093085 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING LEGACY FORMAT DATA IN HIGH THROUGHPUT WIRELESS NETWORK - A method and an apparatus are provided for enabling a legacy station to perform virtual carrier sensing when a plurality of stations with heterogeneous capabilities coexist in a wireless network. The method includes receiving first data compliant with a first protocol, and transmitting second data compliant with a second protocol, where the first protocol is downward compatible with the second protocol. | 04-19-2012 |
20140036899 | WIRELESS LAN COMMUNICATION METHOD AND APPARATUS - A wireless local area network (WLAN) communication method and apparatus are provided. The WLAN communication method includes allowing a receiving station to receive a multi input multi output (MIMO) frame, allowing the receiving station to determine whether the MIMO frame is erroneous and whether the MIMO frame is destined for the receiving station, allowing the receiving station to generate a single input single output (SISO) acknowledgement (ACK) frame if the MIMO frame is not erroneous and is destined for the receiving station, and allowing the receiving station to transmit the SISO ACK frame to a sending station that has transmitted the MIMO frame. | 02-06-2014 |
Jae-Hwa Kim, Gyeonggi-Do KR
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20150138017 | METHOD AND APPARATUS FOR BEAMFORMING IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for beamforming in a wireless communication system are provided. The method of supporting beamforming in a wireless communication device includes detecting a direction change of the wireless communication device while communicating with a peer device. The method of supporting beamforming in a wireless communication device also includes adjusting a beam direction for communication with the peer device based on information indicating a direction change of the wireless communication device. | 05-21-2015 |
Jae-Hwa Lee, Yongin-Si Gyeonggi-Do KR
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20150253561 | MICROSCOPE AND METHOD FOR CONTROLLING SAME - Disclosed is a microscope and a method of controlling the same. According to the one or more of the embodiments of the present inventions relating to the microscope, an optical module for observing cells may be separated from a control module to be disposed in a narrow space such as the inside of an incubator or the inside of a clean bench, and is capable of observing cells while measuring a distribution of the cells (confluence) in a predetermined cycle. | 09-10-2015 |
Jae-Hwa Lee, Gyeongg-Do KR
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20150046638 | MULTI-BIT MEMORY DEVICE AND ON-CHIP BUFFERED PROGRAM METHOD THEREOF - A program method of a multi-bit memory device is provided. First page data is programmed in a first region of a memory cell array. The first page data is stored in a first buffer of a page buffer. Second page data is programmed in the first region of the memory cell array. The second page data is stored in a third buffer of the page buffer. Third page data is stored in the first region of the memory cell array. The second page data stored in the third buffer is transferred to a second buffer of the page buffer and the third page data is stored in the third buffer. The first to third page data stored in page buffer are programmed in a second region of the memory cell array. | 02-12-2015 |
Jae-Hwa Lee, Haeundae-Gu KR
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20100082890 | Method of managing a solid state drive, associated systems and implementations - A solid state drive may include one or more memory cell arrays divided into a plurality of blocks. A first portion of the blocks may be designated for storing user data and a second portion of the blocks may be designated as reserved blocks for replacing defective blocks in the first portion. In one embodiment, the method includes reformatting, by a memory controller, the solid state drive to convert one or more blocks in the first portion into reserved blocks. | 04-01-2010 |
20110238900 | Method of managing a solid state drive, associated systems and implementations - In one embodiment, the method includes storing, by a status checking module, status information for a solid state drive, and determining a status state of the solid state drive based on the status information. The status state is one of a good state, an intermediate state and a bad state, and the intermediate state is a state between the good state and the bad state. | 09-29-2011 |
20110238971 | Method of managing a solid state drive, associated systems and implementations - One embodiment of a method includes loading, by a memory controller, a boot image from a solid state drive to an operating memory of a computing system during an initialization operation of the computing system. The initialization operation initializes components of the computing system. | 09-29-2011 |
Jae-Hwa Ryu, Gyeongsangbuk-Do KR
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20100307641 | High Carbon Steel Sheet Superior in Tensile Strength and Elongation and Method for Manufacturing the Same - A high carbon steel sheet having superior strength and ductility and a method for manufacturing the same comprising: 0.2 to 1.0 wt % carbon (C), 0 to 3.0 wt % silicon (Si), 0 to 3.0 wt % manganese (Mn), 0 to 3.0 wt % chromium (Cr), 0 to 3.0 wt % nickel (Ni), 0 to 0.5 wt % molybdenum (Mo), 0 to 3.0 wt % aluminum (Al), 0 to 0.01 wt % boron (B), 0 to 0.5 wt % titanium (Ti), and the remainder substantially being iron (Fe) and inevitable impurities. The contents of carbon, manganese, chromium, and nickel satisfy the following Equation 1, and the contents of silicon and aluminum satisfy the following Equation 2: (3.0−2.5×C)wt %≦(Mn+Cr+Ni/2)≦8.5 wt %—(Equation 1) Si+Al>1.0 wt % (Equation 2). | 12-09-2010 |
Jae-Hwa Shin, Suwon-Si KR
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20130054372 | APPARATUS AND METHOD FOR PROVIDING ADVERTISING SERVICE IN PORTABLE TERMINAL - An apparatus and method for providing an advertising service in a portable terminal are provided. The apparatus includes an attribute information confirmation unit for sorting attribute information based on a priority of each piece of the attribute information by acquiring landmark information and then, by recognizing attribute information in which information to be used to determine a user preferences is written; a request information determination unit for recognizing a user-preferred advertisement by using information written in the sorted attribute information; and a controller for controlling the attribute information confirmation unit and the request information determination unit to receive the user-preferred advertisement. | 02-28-2013 |