Lee, Incheon-Si
Chan-Joo Lee, Incheon-Si KR
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20090107234 | System and method for measuring liquid level by image - The present invention relates to a system and a method for measuring liquid level by image, and more particularly to a system and a method for measuring liquid level by image, which is capable of measuring a liquid level accurately and automatically by photographing a proximity of liquid surface where a staff gage contacts the liquid using an image capturing apparatus, such as a camera, being located apart from the liquid to be measured, and by analyzing the photographed footage. The system for measuring liquid level by image comprises: a staff gage installed in the liquid; an image capturing part provided with a distance from where the staff gage is installed and capturing an image by photographing a proximity of liquid surface where the staff gage is installed; and a level recognition part controlling a capture of the image, wherein the level recognition part receives the image captured by the image capturing part and determines the liquid level. | 04-30-2009 |
Dong Hyun Lee, Incheon-Si KR
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20110183719 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal includes a display unit configured to display content on a screen, a wireless communication unit configured to communicate with at least one external terminal, and a control unit configured to display a menu list including a transmission menu of the content when a command for displaying the menu list related to the content is input, and control the communication unit to transmit the content to the external terminal when the transmission menu is selected. | 07-28-2011 |
Dong Woo Lee, Incheon-Si KR
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20120240726 | PRODUCTION METHOD FOR HIGH PURITY COPPER POWDER USING A THERMAL PLASMA - The present invention relates to a method of manufacturing a high purity copper (Cu) powder material useable in fabricating a sputtering target material for electronic industrial applications, for example a penetrator liner. The foregoing method has a configuration of using an apparatus composed of a raw material feeder, a plasma torch and a reactor to prepare a metal powder, and includes steps of passing a Cu powder having an average particle diameter of 30 to 450 μm through the thermal plasma torch at an introduction rate of 2 to 30 kg/hr. to thereby fabricate a Cu powder having an average particle diameter of 5 to 300 μm. | 09-27-2012 |
Jaegil Lee, Incheon-Si KR
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20120273871 | Superjunction Structures for Power Devices and Methods of Manufacture - A power device includes a semiconductor region which in turn includes a plurality of alternately arranged pillars of first and second conductivity type. Each of the plurality of pillars of second conductivity type further includes a plurality of implant regions of the second conductivity type arranged on top of one another along the depth of pillars of second conductivity type, and a trench portion filled with semiconductor material of the second conductivity type directly above the plurality of implant regions of second conductivity type. | 11-01-2012 |
20120273884 | Superjunction Structures for Power Devices and Methods of Manufacture - A power device includes a semiconductor region which in turn includes a plurality of alternately arranged pillars of first and second conductivity type. Each of the plurality of pillars of second conductivity type further includes a plurality of implant regions of the second conductivity type arranged on top of one another along the depth of pillars of second conductivity type, and a trench portion filled with semiconductor material of the second conductivity type directly above the plurality of implant regions of second conductivity type. | 11-01-2012 |
Jong-Hoon Lee, Incheon-Si KR
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20110115313 | ELECTRIC WATER PUMP - An electric water pump may include a stator generating a magnetic field according to a control signal and a rotor rotated by the magnetic field generated at the stator and pressurizing coolant. According to the electric water pump, the stator may include, a stator core formed by stacking a plurality of pieces made of a magnetic material, an insulator connecting pieces of the stator core to each other, a coil coiling the stator core so as to form a magnetic path, a Hall sensor detecting a position of the rotor, a Hall sensor board controlling the control signal supplied to the stator according to the position of the rotor detected by the Hall sensor, and a stator case wrapping and sealing the stator core, the insulator, the coil, the Hall sensor, and the Hall sensor board. | 05-19-2011 |
20110116921 | WATER PUMP PROVIDED WITH A BEARING - A water pump that is equipped with a bearing, may include a drive shaft, at least two bearings of an arc type that are mounted around the exterior circumference of the drive shaft and being engaged with each other, a housing that fixes the at least two bearings of the art type therein such that the drive shaft can rotate in the at least two bearings of the arc type. | 05-19-2011 |
20110116947 | Electric water pump - The present invention relates to an electric water pump having improved performance and durability. The electric water pump may include a stator generating a magnetic field according to a control signal, a rotor rotated by the magnetic field, a pump cover having an inlet and an outlet, a body having a front surface forming a volute chamber, a stator chamber, and a rotor chamber, the stator mounted in the stator chamber and the rotor mounted in the rotor chamber, a shaft having a central axis, fixed to the rotor and mounted in the rotor chamber, and an impeller fixed to the shaft so as to rotate together with the shaft, pressurizing the coolant having flowed in through the inlet, and mounted in the volute chamber, wherein the rotor chamber is fluidly connected to the volute chamber, and the stator chamber is fluidly closed and sealed from the rotor chamber. | 05-19-2011 |
20110116948 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 05-19-2011 |
20110116952 | Electric water pump - An electric water pump apparatus may include a body having a stator chamber and a rotor chamber therein, a stator having a hollow cylindrical shape and being disposed in the stator chamber and generating a magnetic field, wherein the stator fluidly insulates the stator chamber and the rotor chamber, a rotor disposed in the rotor chamber and enclosed by the stator, wherein the rotor is rotated by the magnetic field, and a pump cover connected to the body and forming a volute chamber therein, wherein the volute chamber and the rotor chamber are fluidly-communicated through a connecting hole formed to the body and a coolant is supplied to the rotor chamber through the connection hole, wherein the stator includes a stator groove formed in an inner circumference therein and the stator groove is fluid-connected to the rotor chamber and the volute chamber through the connection hole. | 05-19-2011 |
20110116953 | Electric Water Pump - An electric water pump may include a stator generating a magnetic field, a rotor rotated by the magnetic field, a pump cover, a body having a volute chamber with the pump chamber, a stator chamber and a rotor chamber, the stator being mounted in the stator chamber and the rotor being mounted in the rotor chamber, a shaft fixed to the rotor, an impeller fixed to the shaft in the volute chamber, a driver case mounted at a rear end of the body and having a rear surface opened backward and formed of a driver chamber therein, and a driver mounted in the driver chamber and applying a control signal to the stator, wherein the case surface is provided with an insert portion protruded forward from an external circumference thereof and inserted in a rear end portion of the body, and a fixing groove in which the insert portion is inserted. | 05-19-2011 |
20110116954 | Electric Water Pump - An electric water pump apparatus may include a body, a stator disposed in the body, a rotor in the stator, a pump cover having an inlet and an outlet, wherein a front surface of the body and the pump cover form a volute chamber, wherein a stator chamber is formed at an outer portion in the body in a radial direction and the stator is mounted in the stator chamber, and wherein a rotor chamber is formed at an inner portion in the body and the rotor is mounted in the rotor chamber, a shaft rotatably coupled to the front surface and fixed into the rotor, and an impeller fixed to a front portion of the shaft, wherein the shaft includes a first shaft connecting the impeller and a front end portion of the rotor and a second shaft connected to a rear end portion of the rotor along the central axis of the shaft. | 05-19-2011 |
20140271283 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 09-18-2014 |
Joon-Seub Lee, Incheon-Si KR
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20130052992 | APPARATUS AND METHOD FOR SECURING MOBILE TERMINAL - A mobile terminal and a method for securing information are provided. The mobile terminal includes an application part to receive information related to an application; a determining unit to receive a command issued by the application and to determine whether the command or the application is authorized to access a system resource of the mobile terminal; and a blocking unit to block an execution of the command in response to a determination that the execution of the command is unauthorized or issued by the unauthorized application. The method includes receiving information related to an application; receiving a request for executing a command issued by the application; determining whether the requested command or the application is authorized to access a system resource of a mobile terminal; and blocking execution of the command in response to a determination that the execution of the command is unauthorized or issued by an unauthorized application. | 02-28-2013 |
20140096236 | APPARATUS AND METHOD FOR SECURING MOBILE TERMINAL - A mobile terminal and a method for securing information are provided. The mobile terminal includes an application part to receive information related to an application; a determining unit to receive a command issued by the application and to determine whether the command or the application is authorized to access a system resource of the mobile terminal; and a blocking unit to block an execution of the command in response to a determination that the execution of the command is unauthorized or issued by the unauthorized application. The method includes receiving information related to an application; receiving a request for executing a command issued by the application; determining whether the requested command or the application is authorized to access a system resource of a mobile terminal; and blocking execution of the command in response to a determination that the execution of the command is unauthorized or issued by an unauthorized application. | 04-03-2014 |
20150033143 | USER TERMINAL AND METHOD FOR DISPLAYING INTEGRATED COMMUNICATION HISTORY OF THE USER TERMINAL - A method for displaying an integrated communication history of a user terminal includes transmitting or receiving a content using an integrated communication service, collecting communication history of content transmission or reception using the integrated communication service, and generating a user interface feature based on the communication history. A user terminal to display an integrated communication history includes an integrated communication provider to support an integrated communication service, a communicator to transmit or receive content using the integrated communication service, a communication history manager to collect communication history of content transmission or reception using the integrated communication service, an interface manager to generate a user interface feature based on the communication history, and an image display to display a user interface comprising the user interface feature. | 01-29-2015 |
Jung-Won Lee, Incheon-Si KR
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20140169484 | VIDEO DECODING APPARATUS AND METHOD FOR ENHANCING VIDEO QUALITY - A video decoding apparatus and method for enhancing video quality of lower resolution than the resolution of a display of a terminal is provided. The video decoding apparatus includes a quality enhancer and a controller. The quality enhancer includes a resizer and quality enhancement filters, each configured to perform a different video quality enhancement operation, and to perform a quality enhancement process on a decoded video with at least one selected enhancement filter from among the quality enhancement filters and perform upscaling with the resizer. The controller selects at least one of the quality enhancement filters to be involved in the quality enhancement and sets up a processing sequence of the resizer and the at least one selected quality enhancement filter. | 06-19-2014 |
Jun Jeong Lee, Incheon-Si KR
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20090075673 | TERMINAL HAVING FUNCTION FOR MANAGING POSITION REVELANT INFORMATION AND PROGRAM RECORDED MEDIUM - A terminal including a position-location module configured to receive position information of the terminal, and a controller configured to control an operation of the position-location module, and synchronize position relevant information obtained using the position information received by the position-location module with user schedule information. | 03-19-2009 |
Jun Kyu Lee, Incheon-Si KR
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20110285015 | BUMP STRUCTURE AND FABRICATION METHOD THEREOF - There is provided a bump structure for a semiconductor device, comprising a metal post formed on and electrically connected to an electrode pad on a substrate, a solder post formed on the top surface of the metal post, said solder post having the same horizontal width as the metal post and the top surface of the solder post being substantially rounded, and an intermetallic compound layer disposed at the interface between the metal post and the solder post. An oxide layer formed on the solder post prevents solder post under reflow from being changed into a spherical shape. An intermetallic compound layer may be formed by an aging process at the interface between the metal post and the solder post. The bump structure can realize fine pitch semiconductor package without a short between neighboring bumps. | 11-24-2011 |
Kyunam Lee, Incheon-Si KR
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20150185035 | ELECTRONIC DEVICE AND OPERATION METHOD THEREOF - The present disclosure provides an electronic device and operating method of the electronic device reflecting real traffic situation more precisely, by navigating a path in consideration of both real-time traffic information and statistical traffic information. | 07-02-2015 |
Kyung Hae Lee, Incheon-Si KR
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20140128625 | METHOD OF PREPARING FURFURAL COMPOUNDS - Provided is a two-step method of producing a compound of chemical formula 1 in the presence of an alcohol solvent and a Group 3B metal catalyst or a salt thereof, comprising a first step comprising alkylation or isomerization of an aldohexose-containing substrate to obtain an intermediate, and a second step comprising dehydration of the intermediate to produce a compound of chemical formula 1. Preferably, additional solvent and/or catalyst are not added in the second step. | 05-08-2014 |
Kyung-Sook Lee, Incheon-Si KR
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20130076572 | INK FOR PRINTING A MOBILE PHONE ANTENNA PATTERN, METHOD FOR MANUFACTURING A SYNTHETIC RESIN PART FOR A MOBILE PHONE ON WHICH AN ANTENNA PATTERN IS PRINTED USING THE INK, AND SYNTHETIC RESIN PART FOR A MOBILE PHONE ON WHICH AN ANTENNA PATTERN IS PRINTED - The ink for printing an antenna pattern for a mobile phone according to an embodiment of the present invention includes a mixture of one of silver (Ag) powder, nickel (Ni) powder, copper (Cu) powder, and gold (Au) powder, liquid acrylonitrile, liquid polystyrene, liquid butadiene, and methyl ethyl ketone (MEK) as a diluent. The present invention does not include a plating process, and thus allows a significant improvement in productivity. | 03-28-2013 |
Seung-Cheol Lee, Incheon-Si KR
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20120200463 | BROADBAND BUILT-IN ANTENNA USING A DOUBLE ELECTROMAGNETIC COUPLING - A broadband internal antenna using double electromagnetic coupling is disclosed. The disclosed antenna may include: a first conducting member electrically connected to a feeding point; a second conducting member placed at a designated distance from at least a portion of the first conducting member so as to allow a first electromagnetic coupling with at least a portion of the first conducting member, and remaining in a floating state without being coupled to a ground and the feeding point; a third conducting member placed at a designated distance from the second conducting member so as to allow a second electromagnetic coupling with the second conducting member, and electrically connected to the ground; and a fourth conducting member extending from the third conducting member, for radiating RF signals. The disclosed antenna has the advantage of providing broadband characteristics within a limited size. | 08-09-2012 |
20120229359 | N PORT FEEDING SYSTEM USING A SLOW WAVE STRUCTURE FEEDING DEVICE INCLUDED IN THE SAME - A feeding system for feeding power using slow wave structure is disclosed. The feeding system includes a first substrate, a first pattern disposed on the first substrate, being a conductor, a second substrate separated from the first substrate, and a second pattern configured to locate on the second substrate, being a conductor. Here, the first pattern and the second pattern are connected electrically, and at least one of the first pattern and the second pattern has a slow wave structure. | 09-13-2012 |
Won-Jae Lee, Incheon-Si KR
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20120302189 | AUTOMATICALLY CONTROLLABLE, FREQUENCY TUNABLE FILTER - A frequency tunable filter is disclosed. The disclosed filter comprises a filter unit having a sliding member so as to be capable of tuning a frequency band of a frequency signal being filtered; a communication module configured to receive a control signal for controlling the tuning of the frequency band; and a control unit configured to control the tuning of the frequency band by moving the sliding member based on the control signal. With the disclosed filter, the tuning of the filter may be performed automatically by way of control signals transmitted from a remote location. | 11-29-2012 |
Won Jun Lee, Incheon-Si KR
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20150270303 | IMAGE SENSOR WITH MICRO LENS - An image sensor includes a color filter configured to pass a specific color of light; a micro lens formed under the color filter and configured with a plurality of layers in which an upper layer has a smaller area than a lower layer; and a photo device formed under the micro lens and configured to receive light passing through the micro lens and convert the received light into an electrical signal. | 09-24-2015 |
Wook Hwa Lee, Incheon-Si KR
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20140354248 | METHOD FOR CONTROLLING MULTILEVEL CONVERTER - The present disclosure provides a method for controlling a multilevel converter, the method including, detecting modulation state values and current directions of sub-modules, and designating, by one sub-module, an average number of switching for each period of an output waveform, wherein the step of designating the average number of switching includes, grouping the sub-modules according to being in ON state or in OFF state, comparing the number of sub-modules in previous ON state and the number of sub-modules in OFF state to obtain a difference therebetween, and changing a state as much as the difference, comparing a sub-module of ON state in charged state and in discharged state with a sub-module of OFF state, and changing the compared states of sub-modules of ON state and OFF state. | 12-04-2014 |
Woo-Yeob Lee, Incheon-Si KR
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20120324033 | APPARATUS AND METHOD OF PERFORMING DISCOVERY BASED ON PRIORITY LEVEL IN DISTRIBUTED NETWORK, AND METHOD OF DETERMINING DISCOVERY BACK-OFF TIME - Provided are a network node and a method of performing discovery, which may stably perform discovery without delay or crash of a network at the time of initial discovery in a large-scale network. The network node operated in a distributed network includes a discovery performing unit that determines a discovery back-off time that is a transmission wait time of a discovery message based on levels of priority of the network node, and a communication unit that transmits the discovery message using the discovery back-off time. | 12-20-2012 |