Patent application number | Description | Published |
20140071586 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer; first and second internal electrodes disposed to face each other with the dielectric layer interposed therebetween within the ceramic body; and first and second external electrodes formed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein, when the dielectric layer is divided into three areas in a thickness direction of the ceramic body, an average size of dielectric grains in a middle area is different from that of dielectric grains in upper and lower areas, and when T | 03-13-2014 |
20140153154 | MULTI-LAYERED CERAMIC ELECTRONIC COMPONENT - There is provided a multi-layered ceramic electronic component including: a ceramic body including a dielectric layer and having first and second main surfaces, first and second side surfaces, and first and second end surfaces; a first internal electrode having an overlapping region to form a capacitance formation part and exposed to the first and second side surfaces, and including a first lead-out part; a second internal electrode alternately multi-layered with the first internal electrode to be exposed to the first and second side surfaces, and insulated from the first internal electrode, and including the second lead-out part; first and second external electrodes; and insulation layers formed on the first and second side surfaces, the first and second lead-out parts being regions in which the first and second internal electrodes are not overlapped with each other. | 06-05-2014 |
20140160616 | MULTILAYERED CERAMIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayered ceramic capacitor including: a ceramic body; a plurality of first and second internal electrodes having first and second lead-out portions overlapped with each other, respectively, and exposed to one surface of the ceramic body; first and second external electrodes formed on one surface of the ceramic body and electrically connected to the first and second lead-out portions, respectively; and an insulating layer formed on one surface of the ceramic body to cover exposed portions of the first and second lead-out portions, wherein the first lead-out portion has a first overlap increase part of which a forward edge has an inclined surface, and the second lead-out portion has a second overlap increase part of which a forward edge has an inclined surface. | 06-12-2014 |
20140160618 | MULTILAYER CERAMIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayer ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes alternately formed on the plurality of dielectric layers and including first and second lead-out parts having an overlap area exposed to one surface of the ceramic body, respectively; first and second external electrodes formed on one surface of the ceramic body and electrically connected to the first and second lead-out parts, respectively; and a first insulating layer formed on one surface of the ceramic body to cover exposed portions of the first and second lead-out parts, wherein the first and second lead-out parts are formed to have concave-convex portions alternating with each other in the overlap area therebetween. | 06-12-2014 |
20140160621 | MULTILAYER CERAMIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A multilayer ceramic capacitor includes a ceramic body; first and second internal electrodes including first and second body parts overlapped with each other and first and second lead-out parts having an overlap region and exposed to one surface of the ceramic body; first and second external electrodes formed on one surface of the ceramic body; and an insulating layer formed on one surface of the ceramic body, wherein first and second connection surfaces extended from end portions of the first and second body parts to end portions of the first and second lead-out parts are inclined, and when half of length of the internal electrode is defined as A and length from a center of the ceramic body to a starting point of the connection surface is defined as B, B/A satisfies 0.03≦B/A≦0.90. | 06-12-2014 |
20140285946 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF - There are provided a multilayer ceramic electronic component and a manufacturing method thereof, such that a high capacitance multilayer ceramic electronic component having excellent reliability through the suppression of crack generation due to a step portion and an increase in an overlapped area may be provided. | 09-25-2014 |
Patent application number | Description | Published |
20110187451 | POWER AMPLIFIER - There is provided a power amplifier that can reduce power consumption by selectively turning a plurality of amplifiers on or off according to the power of a signal to be transmitted. A power amplifier according to an aspect of the invention may include: a first amplification section amplifying an input signal by a predetermined gain; a second amplification section having a plurality of amplification units re-amplifying the input signal, amplified by the first amplification section, by predetermined gains; and a switch section supplying or cutting off power to the plurality of amplification units according to an switching signal to selectively operate the plurality of amplification units. | 08-04-2011 |
20110193545 | POWER CONTROL SYSTEM AND POWER AMPLIFICATION SYSTEM USING THE SAME - There is provided a power control system. A power control system may include: a power regulator having a plurality of power PMOS transistors connected to a power source in parallel with each other; a current sensing unit connected to the power source and sensing currents flowing through a plurality of target PMOS transistors located at predetermined positions; a current mirror unit connected to a first regulated voltage terminal and generating a plurality of currents equal to the currents sensed by the current sensing unit; a comparator unit totaling the plurality of currents generated by the current mirror unit to convert the totaled currents into a voltage, and generating a voltage difference between the voltage and a predetermined reference voltage; and a current bias circuit unit controlling a bias current according to the voltage difference from the comparator unit. | 08-11-2011 |
20110215981 | HIGH FREQUENCY TRANSMISSION MODULE WITH IMPROVED HARMONIC FEATURE - There is provided a high frequency transmission module, including: a high band power amplifier amplifying power of a preset high band frequency signal; a low band power amplifier amplifying power of a preset low band frequency signal; an LC matching circuit unit matching output impedance of the low band power amplifier to impedance of an antenna switch circuit; the antenna switch circuit connecting one of a first terminal connected to an output terminal of the high band power amplifier and a second terminal connected to the LC matching circuit unit to a common terminal; and a matching/ESD protecting unit matching impedances between the antenna switch circuit and an antenna and blocking static electricity introduced from the antenna. | 09-08-2011 |
20120025914 | CMOS POWER AMPLIFIER - A CMOS power amplifier includes: a first MOS transistor connected between a first power terminal and a first output stage and having a gate connected to an input stage; a second MOS transistor connected between the first output stage and a ground and having a gate connected to the input stage; a switching circuit unit connecting or separating a feedback line between the input stage and the first output stage to select a linear amplifying operation or a non-linear amplifying operation; and a resistor formed at the feedback line between the input stage and the first output stage to determine a linear amplification gain when the feedback line is turned on. | 02-02-2012 |
20120068803 | TRANSFORMER - A transformer having a structure in which first and second substrates are vertically laminated, including: a plurality of input conductive lines disposed on the first substrate along a circumference thereof; a single output conductive line disposed co-planarly with the plurality of input conductive lines, and having one end connected to a ground; and an air bridge including a pair of conductive via holes formed in any one conductive line in an overlapped area in which the input and output conductive lines are intersected with each other to penetrate through the first substrate and a single piece of conductive line connecting the pair of conductive via holes to each other and disposed on the second substrate, thereby preventing a short-circuit between the input and output conductive lines. | 03-22-2012 |
20120249262 | POWER COMBINER, POWER AMPLIFYING MODULE HAVING THE SAME, AND SIGNAL TRANSCEIVING MODULE - There are provided a power combiner implemented by a printed circuit board, a power amplifying module having the same, and a signal transceiving module. The power combiner includes: a primary wiring unit formed on one surface of a printed circuit board, receiving a plurality of balance signals having positive balance signals and negative balance signals, and including a plurality of positive primary wirings and a plurality of negative primary wirings, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one ends of the plurality of positive primary wirings are connected in common to thereby receive the plurality of positive balance signals, one ends of the plurality of negative primary wirings are connected in common to thereby receive the plurality of negative balance signals, and the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other to thereby form a loop; and a secondary wiring unit formed on the other surface of the printed circuit board, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal. | 10-04-2012 |
20130072187 | DUAL MODE COMMUNICATIONS DEVICE AND METHOD OF IMPROVING DATA RATE THEREOF - There are provided a dual mode communications device and a method of improving a data rate thereof. The dual mode communications device according to the embodiment of the present invention may include a selection unit | 03-21-2013 |
20140221041 | DUAL MODE COMMUNICATIONS DEVICE AND METHOD OF IMPROVING DATA RATE THEREOF - There are provided a dual mode communications device and a method of improving a data rate thereof. The dual mode communications device according to the embodiment of the present invention may include a selection unit | 08-07-2014 |
Patent application number | Description | Published |
20100038590 | METHOD FOR PREPARING B-SIALON PHOSPHOR - There is provided a method for preparing a β-SiAlON phosphor capable of be controlled to show characteristics such as high brightness and desired particle size distribution. The method for preparing a β-SiAlON phosphor represented by Formula: Si | 02-18-2010 |
20100283382 | White light emitting device - A white light emitting device including: a blue light emitting diode (LED); a green silicate phosphor formed on the blue LED; and a red sulfide phosphor with a surface coated with a silicone oxide layer, the red sulfide phosphor formed on the blue LED. | 11-11-2010 |
20110007228 | WHITE LIGHT EMITTING DEVICE - A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED. | 01-13-2011 |
20110096560 | PHOSPHOR, METHOD FOR PREPARING AND USING THE SAME, LIGHT EMITTING DEVICE PACKAGE, SURFACE LIGHT SOURCE APPARATUS AND LIGHTING APPARATUS USING RED PHOSPHOR - Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M) | 04-28-2011 |
20110234118 | Complex Crystal Phosphor, Light Emitting Device, Surface Light Source Apparatus, Display Apparatus, and Lighting Device - A complex crystal phosphor is an inorganic composition containing at least an M element, an Al element, silicon, oxygen, and nitrogen. The inorganic composition has particles having at least two types of crystal phase, and the at least two types of crystal phase include a first crystal phase which is the same as a M | 09-29-2011 |
20110266584 | WHITE LIGHT EMITTING DIODE WITH YELLOW, GREEN AND RED LIGHT EMITTING PHOSPHORS - Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light. | 11-03-2011 |
20120138992 | METHOD FOR PREPARING PHOSPHOR AND LIGHT EMITTING DEVICE - A method for preparing a phosphor includes: dissolving at least one metal as a raw material of a desired phosphor in liquid ammonia to form a metal-amide type precursor; gathering the metal-amide type precursor; and firing the precursor to form a desired phosphor. | 06-07-2012 |
20120306356 | FLUORESCENT SUBSTANCE, LIGHT EMITTING DEVICE, SURFACE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND ILLUMINATING DEVICE - There is provided a phosphor having a β-type Si | 12-06-2012 |
20130147344 | PHOSPHOR, MANUFACTURING METHOD OF PHOSPHOR AND LIGHT EMITTING DEVICE INCLUDING THE SAME - A phosphor is represented by a general Formula: Eu | 06-13-2013 |
20130161534 | METHOD OF MANUFACTURING WHITE LIGHT EMITTING DEVICE (LED) AND APPARATUS MEASURING PHOSPHOR FILM - A method of manufacturing a white light emitting device includes dividing a phosphor sheet into phosphor film units to be applied to individual light emitting diode (LED) devices, measuring light conversion characteristics of the respective phosphor film units, classifying the phosphor film units of the phosphor sheet into a plurality of groups according to measurement results of the light conversion characteristics and combining the phosphor film units classified into the plurality of groups and an LED device having predetermined light characteristics so as to obtain target color characteristics. | 06-27-2013 |
20130168888 | METHOD FOR PREPARING A -SIAION PHOSPHOR - There is provided a method for preparing a β-SiAlON phosphor capable of be controlled to show characteristics such as high brightness and desired particle size distribution. The method for preparing a β-SiAlON phosphor represented by Formula: Si | 07-04-2013 |
20140133146 | PHOSPHOR, METHOD FOR PREPARING AND USING THE SAME, LIGHT EMITTING DEVICE PACKAGE, SURFACE LIGHT SOURCE APPARATUS AND LIGHTING APPARATUS USING RED PHOSPHOR - Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M) | 05-15-2014 |
Patent application number | Description | Published |
20140177604 | ELECTRONIC SHELF LABEL SYSTEM AND METHOD OF OPERATING THE SAME - There is provided a method of operating an electronic shelf label system performed by a gateway wirelessly connected to a plurality of electronic shelf label tags and providing data provided from an electronic shelf label server to the plurality of electronic shelf label tags through a data channel, the method including, interlocking with the electronic shelf label server to thereby be allocated time slots of a wakeup channel, providing information regarding the time slots allocated to the gateway to the plurality of electronic shelf label tags, and receiving an update data request from at least one of the plurality of electronic shelf label tags when the time slots allocated to the gateway have elapsed and providing update data in response to the corresponding update data request. | 06-26-2014 |
20150253913 | TOUCH SEPARATION AND TOUCHSCREEN APPARATUS - There are provided a touch separation method and a touchscreen apparatus. The touch separation method includes: obtaining a digital signal including a plurality of pieces of digital data depending on changes in capacitances in a plurality of nodes; setting at least one touch group depending on levels of the plurality of pieces of digital data; testing pieces of digital data of the at least one touch group in a preset sequence; and determining a trough depending on a level of a combination of two adjacent pieces of digital data facing each other, based on a test target piece of digital data among the pieces of digital data of the at least one touch group. | 09-10-2015 |
20150261349 | TOUCH SENSING METHOD AND TOUCHSCREEN APPARATUS - A touch sensing method may include setting at least one touch group according to levels of a plurality of digital data according to changes of capacitance in a plurality of nodes; detecting two nodes having highest levels of the plurality of digital data among the touch group; generating a plurality of combinations by matching nodes defining two vertices, among four vertices of the touch group, facing each other with the two nodes having the highest levels among the plurality of digital data; selecting one combination among the plurality of combinations; and setting an examination region executing a touch separating algorithm according to two points positioned two respective line segments connecting the respective nodes of the selected combination. | 09-17-2015 |
Patent application number | Description | Published |
20090295496 | BALUN - A balun having a first balanced terminal, a second balanced terminal and an unbalanced terminal, includes a filter unit and a first transmission line. The filter unit is connected to the first balanced terminal, the second balanced terminal and the unbalanced terminal, and includes a low-pass filter and a high-pass filter. The first transmission line is connected between the filter unit and the first balanced terminal. | 12-03-2009 |
20120081869 | PRINTED CIRCUIT BOARD FOR REDUCING CROSSTALK - There is provided a printed circuit board for reducing crosstalk, having a capacitive impedance component connected between signal and ground patterns, the printed circuit board including: signal patterns including a first signal pattern transferring low frequency signals and a second signal pattern transferring high frequency signals; ground patterns including a first ground pattern connected to the first signal pattern and a second ground pattern connected to the second signal pattern which are separated from each other; and a conductive shielding film connected between the first and second ground patterns and shielding electromagnetic waves generated from the printed circuit board. Accordingly, crosstalk between the low and high frequency signals may be reduced. | 04-05-2012 |
20120161914 | TRANSFORMER - There is provided a transformer having a minimized thickness. The transformer includes: insulating layers; and coil units including primary and secondary coils disposed on the insulating layers to have a common center. | 06-28-2012 |
20130076212 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator part including a plurality of salient poles formed at an inner peripheral surface thereof and coils wound around the salient poles; and a rotor part rotatably inserted into an inner portion of the stator part to thereby rotate in one direction by a reluctance torque, wherein the rotor part includes: a rotor including a rotor core provided with a shaft hole into which a shaft is inserted and a plurality of rotor salient poles formed to be protruded from the rotor core so as to face the salient poles of the stator part; and a blade part disposed between the rotor salient poles to thereby generate a fluid flow in a direction of the shaft. | 03-28-2013 |
20130175904 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a stator; a rotor rotating based on a motor shaft with respect to the stator; a housing having a cup shape and receiving the stator and the rotor therein and including a receiving groove at a central portion of a lower surface thereof; a sensor part including a disk coupled to a predetermined position of a lower portion of the motor shaft extended up to the receiving groove and a sensor detecting a rotational state of the disk, and mounted on the outside of the housing; and filter shielding the sensor part. | 07-11-2013 |
20140042852 | AXIAL FLUX PERMANENT MAGNET MOTOR - Disclosed herein is an axial flux permanent magnet (AFPM) motor including: a stator including a stator core, a magnet wire wound around the stator core, a shaft, and a stator core supporting member fixedly supporting the stator core to the shaft; and a rotor including a rotor case having a space part formed therein so as to receive the stator core therein, a magnet fixedly coupled to an inner side portion of the rotor case so as to face the stator core, and a bearing rotatably supporting the rotor case to the shaft, wherein a ratio between the number of stator slots by the stator core and the number of poles of the rotor by the magnet is (6×n+9):((6×n+9)+1) or (6×n+9):((6×n+9)−1) where n indicates a positive integer number including 0. | 02-13-2014 |
20140175931 | AXIAL FLUX PERMANENT MAGNET MOTOR - An axial flux permanent magnet motor includes a shaft, a rotor extending from the shaft in a radial direction, the rotor being rotatably mounted on the shaft, a magnet part disposed on the rotor to face downwardly in an axial direction, the magnet part having N poles and S poles, alternately disposed in a circumferential direction, a support member extending from the shaft in a radial direction, the support member being disposed below the rotor in the axial direction, and an electromagnet part disposed on the support member to face the magnet part in the axial direction. An axial distance between facing surfaces of the magnet part and the electromagnet part repeatedly changes in the circumferential direction. | 06-26-2014 |
20140183992 | MOTOR AND MANUFACTURING METHOD THEREOF - There are provided a switched reluctance motor which can be easily manufactured and available for automation, and a manufacturing method thereof. The motor includes: a stator with a coil wound therearound; and a control board coupled to one side of the stator, the coil being electrically connected to the control board, wherein the control board includes a coupling recess in which the coil is fixedly bonded and a guide recess allowing the coil to be moved into the coupling recess from the outside of the control board. | 07-03-2014 |
20140346904 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor comprising: a rotor having a shaft disposed at a central portion thereof and having salient poles formed at an outer circumference thereof; a stator having the rotor rotatably installed therein while forming a gap and having salient poles facing the salient poles of the rotor; and an extraction pressure decreasing unit separating the rotor and the stator from a mold, wherein the rotor and the stator are made of a soft magnet composite (SMC). | 11-27-2014 |
Patent application number | Description | Published |
20100321000 | AC DETECTION CIRCUIT FOR POWER SUPPLY - There is provided an alternating current (AC) detection circuit for a power supply, the circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; a comparing part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage and generating an input detection signal when the stabilized voltage is higher than the internal reference voltage; and an output part outputting an AC detection signal when the input detection signal is inputted from the comparing part. | 12-23-2010 |
20110007051 | DRIVER FOR PLASMA DISPLAY PANEL - Disposed is a driver for a plasma display panel, which is capable of absorbing surplus power of a plasma display panel by power conversion switching performed according to the switching of a sustain circuit to form a transmission path using resonance between the inductance of a transformer for power conversion and the capacitance of the plasma display panel, without using an energy recovery circuit. The driver includes a power supply unit including preset inductance, and converting alternating current (AC) commercial power into preset driving power by using the inductance, a driving unit switching the driving power from the power supply unit according to a logic signal and supplying the switched driving power to a plasma display panel. Surplus power of the driving unit is transmitted to the power supply unit by resonance between the inductance of the power supply unit and capacitance of the plasma display panel. | 01-13-2011 |
20110013435 | AC DETECTION CIRCUIT FOR POWER SUPPLY - There is provided an alternating current (AC) detection circuit for power supply, the AC circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; and a first square wave generating part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage, and generating a first square wave signal having a duty ratio according to comparison results between the stabilized voltage and the internal reference | 01-20-2011 |
20110074299 | DRIVER FOR PLASMA DISPLAY PANEL HAVING SEPARATED BOARD STRUCTURE - There is provided a driver for a plasma display panel having a separated board structure that can reduce parasitic resonance by shortening the length of a cable used for power transmission by separating a board having a Y electrode switch thereon from a board having an X electrode switch thereon. A driver for a plasma display panel having a separated board structure according to an aspect of the invention may include: a first board having a predetermined mounting area, and mounted with a power supply section having predetermined inductance and converting commercial AC power into predetermined driving power using the inductance, and a first electrode switch section, switching the driving power from a power conversion section and supplying the switched driving power to a first electrode of a plasma display panel; and a second board having a predetermined mounting area, physically separated from the first board, and mounted with a second electrode switch section receiving the driving power from the power supply section through a cable and switching the driving power to supply the switched driving power to a second electrode of the plasma display panel. | 03-31-2011 |
20110080394 | DRIVER FOR PLASMA DISPLAY PANEL - There is provided a driver for a plasma display panel that can perform power transmission by setting different paths for an address period and a sustain period. The driver for a plasma display panel may include: a power supply part converting commercial AC power into predetermined driving power; a driving part switching the driving power from the power supply part during the sustain period to supply the switched driving power to the plasma display panel; and a path setting part setting a path through which the driving power from the power supply part is transmitted to the driving part during the sustain period and setting a charging path through which a capacitor is charged with the driving power from the power supply part during the address period. | 04-07-2011 |
20120013266 | APPARATUS FOR DRIVING LIGHT EMITTING DEVICE WITH OVER-CURRENT AND OVER-VOLTAGE PROTECTION - An apparatus for driving a light emitting part includes a DC/DC converter for supplying an amplified driving voltage to the light emitting part; a constant current circuit for controlling a current flowing through the light emitting part; a converter controller for controlling the DC/DC converter and the constant current circuit; a current sensor for sensing and converting a current flowing to an anode of the light emitting part into a voltage; a feedback controller for controlling a feedback current according to a magnitude of the voltage from the current sensor; an optical coupling part for performing optical coupling to transmit the feedback current as a feedback voltage; and a main controller for determining whether an over-current is occurring according to a magnitude of the feedback voltage and stopping an operation of the converter controller when the over-current is occurring. | 01-19-2012 |
Patent application number | Description | Published |
20140170523 | ELECTRODE PASTE FOR SOLID OXIDE FUEL CELL, SOLID OXIDE FUEL CELL USING THE SAME, AND FABRICATING METHOD THEREOF - Disclosed herein are an electrode paste for a solid oxide fuel cell in an anode supported type in which an anode, an electrolyte layer, and a cathode are sequentially stacked, including a raw material powder, a dispersant, a binder, a solvent, and a liquid pore-forming material, a solid oxide fuel cell using the same, and a fabricating method thereof. The electrode paste for the solid oxide fuel cell may form uniform pores in the electrode and may provide high porosity. | 06-19-2014 |
20140178787 | SOLID OXIDE FUEL CELL ASSEMBLY AND METHOD FOR FORMING SEAL - Disclosed herein is a solid oxide fuel cell assembly, including: one or more unit cell, a box-shaped housing provided in the unit cell so as to prevent fuel and air from contacting with each other; a metal plate provided with one or more penetration hole in a plate shape partitioning the housing so as to prevent fuel and air from contacting with each other; and a seal sealing a spaced gap between an outer circumferential surface of the unit cell and a penetration hole of a metal plate. The preferred embodiment of the present invention provides the reliable sealed state between the unit cell and the metal plate by using the seal formed of a sealant, a bonding material, and a sealing material. | 06-26-2014 |
20140178793 | SOLID OXIDE FUEL CELL - Disclosed herein is a unit cell including: an internal electrode including a flat upper surface and a lower surface arranged in parallel to face each other and a plurality of internal channels having a flat lower side disposed between the upper surface and the lower surface; an interconnector seated on the upper surface of the internal electrode; an electrolyte laminated on an outer circumferential surface of the internal electrode, except for the interconnector; and an external electrode laminated on an outer circumferential surface of the electrolyte. | 06-26-2014 |
20140178795 | SOLID OXIDE FUEL CELL AND METHOD OF MANUFACTURING INTERCONNECTOR FOR SOLID OXIDE FUEL CELL - Disclosed herein is a solid oxide fuel cell including: a unit cell including an anode, an electrolyte, and a cathode; interconnectors having a rugged shape due to a channel and a protruded portion formed on one surface or both surfaces of a body and arranged in parallel at a predetermined interval, wherein a lower surface and a side of the channel are stacked with oxidation resistance insulating ceramic layers. In particular, the present invention includes a method of manufacturing an interconnector for a planar solid oxide fuel cell. | 06-26-2014 |
20140178797 | SOLID OXIDE FUEL CELL - Disclosed herein is a solid oxide fuel cell including: a unit cell including an anode, an electrolyte, and a cathode; an interconnector including a planar body, a plurality of through holes penetrating through the body, a bar inserted into the through hole and made of an electrical conductor, and a lower enclosure protruding from one surface of the body so as to enclose the through hole; and a sealant arranged along edges of the unit cell and the interconnector. | 06-26-2014 |
20140178799 | SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD THEREOF - Disclosed herein is a solid oxide fuel cell including a unit cell, wherein the unit cell includes: a cylindrical internal electrode: an interconnector having a T-shaped cross section and stacked on an outer peripheral surface of the internal electrode in a length direction; an electrolyte stacked on the outer peripheral surface of the internal electrode except for the interconnector; and an external electrode stacked on an outer peripheral surface of the electrolyte except for wing parts of the interconnector. In addition, disclosed herein is a manufacturing method of a solid oxide fuel cell. | 06-26-2014 |
20140178800 | INTERCONNECT FOR SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are an interconnect for a solid oxide fuel cell and a method for manufacturing the same, the interconnect including: a conductive core; an oxidation-resistant insulating part receiving therein; and an oxidation-resistant conductive material layer coated on an exposed surface of the conductive core, which is exposed to an external environment by removing a portion of the oxidation-resistant insulating part, so that the interconnect can maintain durability against high-temperature heat generated from a flat type solid oxide fuel cell for a long time and thus have a very small voltage loss due to oxidation even with the use over a long-time period; have no sealing problem and no delaminating problem of a coating film due to a difference in coefficient of thermal expansion; be inexpensive; and have a simple structure. | 06-26-2014 |
Patent application number | Description | Published |
20130086760 | ROBOT CLEANER - The robot cleaner includes a main body configured to remove dust from a floor while traveling on the floor, the main body having a lateral rim defining the external appearance of a lateral surface of the robot cleaner, and at least one side brush assembly mounted to the main body to clean the corner of the floor. The side brush assembly includes a side arm pivotably coupled to the main body, the side arm moving between a first position where the side arm is inserted into the main body and a second position where the side arm protrudes outward from the lateral rim of the main body, a brush unit provided at the side arm to sweep the floor, and a rim cover coupled to the side arm to form a part of the lateral rim of the main body when the side arm is inserted into the main body. | 04-11-2013 |
20130092190 | ROBOT CLEANER AND CONTROL METHOD FOR THE SAME - A robot cleaner includes a body to travel on a floor, an obstacle sensing unit to sense an obstacle approaching the body, an auxiliary cleaning unit mounted to a bottom of the body, to be extendable and retractable, and a control unit to control extension or retraction of the auxiliary cleaning unit when the obstacle is sensed, through adjustment of an extension or retraction degree of the auxiliary cleaning unit. | 04-18-2013 |
20130096717 | ROBOT CLEANER AND METHOD FOR CONTROLLING THE SAME - Disclosed are a robot cleaner and a method for controlling the same, capable of controlling a travelling or cleaning pattern of a robot cleaner in accordance with extension and retraction operations of an auxiliary cleaning tool to perform an efficient cleaning operation. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, an obstacle sensor to sense an obstacle in a cleaning region of the robot cleaner, and a control unit to extend the auxiliary cleaning units while travelling in a wall tracing manner along the periphery of the cleaning region, and to retract the auxiliary cleaning units while the robot cleaner travels in an inner portion of the cleaning region when traveling of the periphery of the cleaning region is finished. | 04-18-2013 |
20130098402 | ROBOT CLEANER AND CONTROL METHOD FOR THE SAME - A robot cleaner and a control method for the same are disclosed. The robot cleaner and control method are capable of detecting malfunction of an auxiliary cleaning unit, and controlling travel of the robot cleaner in accordance with the detection result, to achieve efficient cleaning of an edge area even when there is an error in the auxiliary cleaning unit. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom portion of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, a sensing unit to sense an extension, retraction, or rotation state of each of the auxiliary cleaning units, and a control unit to determine whether the auxiliary cleaning units operate normally, based on a sensing result of the sensing unit, and to control travel of the robot cleaner, based on a result of the determination. | 04-25-2013 |
20130263889 | ROBOT CLEANER AND METHOD OF CONTROLLING THE SAME - A robot cleaner that automatically removes dust accumulated on a floor while navigating a cleaning area, and a method of controlling the robot cleaner, includes a main body that navigates a floor; a first detector that detects an obstacle getting closer to the main body; an auxiliary cleaner that is mounted on the main body to protrude and retract; a second detector that detects a protrusion state or a retraction state of the auxiliary cleaner; and a controller that determines an abnormal operation of the auxiliary cleaner based on a result of the detection of the second detector and controls a protrusion operation or a retraction operation of the auxiliary cleaner according to a result of the determination. | 10-10-2013 |
20140036062 | SENSOR ASSEMBLY AND ROBOT CLEANER HAVING THE SAME - Disclosed herein are a sensor assembly executing functions of both an obstacle sensor and a vision sensor and a robot cleaner having the same. The robot cleaner includes a main body and at least one sensor assembly mounted on the main body, the sensor assembly includes a housing, a light emitting module mounted on the housing and generating a light beam, and a light receiving module mounted on the housing and receiving reflected light obtained by reflecting the light beam generated from the light emitting module by an obstacle, the light receiving module includes a receiving reflector concentrating the reflected light and provided with the opened central part to form a vision hole and a camera unit sensing light, and the camera unit senses the reflected light concentrated by the receiving reflector and photographs an image above the main body through the vision hole, simultaneously. | 02-06-2014 |
20150265122 | ROBOT CLEANER - The robot cleaner includes a main body configured to remove dust from a floor while traveling on the floor, the main body having a lateral rim defining the external appearance of a lateral surface of the robot cleaner, and at least one side brush assembly mounted to the main body to clean the corner of the floor. The side brush assembly includes a side arm pivotably coupled to the main body, the side arm moving between a first position where the side arm is inserted into the main body and a second position where the side arm protrudes outward from the lateral rim of the main body, a brush unit provided at the side arm to sweep the floor, and a rim cover coupled to the side arm to form a part of the lateral rim of the main body when the side arm is inserted into the main body. | 09-24-2015 |
Patent application number | Description | Published |
20130250478 | DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME - There is provided a dielectric composition, including: a base powder including Ba | 09-26-2013 |
20140022692 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND METHOD OF FABRICATING THE SAME - There are provided a laminated ceramic electronic component and a method of fabricating the same. The laminated ceramic electronic component include a ceramic body including a dielectric layer; and first and second internal electrodes disposed to face each other, having the dielectric layer interposed therebetween within the ceramic body, wherein the ceramic body includes an active layer that is a capacitance forming part and a cover layer that is a non-capacitance forming part formed on at least one of a top surface and a bottom surface of the active layer, and when a thickness of the ceramic body is t and a thickness of the cover layer is T, T≦t×0.05 is satisfied and when an average particle diameter of a dielectric grain in the active layer is Da and an average particle diameter of a dielectric grain in the cover layer is Dc, 0.7≦Dc/Da≦1.5 is satisfied. | 01-23-2014 |
20140022698 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND METHOD OF FABRICATING THE SAME - There is provided a laminated ceramic electronic component, including a ceramic body including a dielectric layer; and first and second internal electrodes disposed to face each other, having the dielectric layer interposed therebetween within the ceramic body, wherein when a value of 1% is set to be D1, a value of 50% is set to be D50, and a value of 99% is set to be D99 in a cumulative distribution of dielectric grains by an average particle diameter thereof within the dielectric layer, 2≦D99/D50≦3 and 2≦D50/D1≦3 are satisfied. A high-capacity laminated ceramic electronic component may be implemented with improved adhesion between the dielectric layer and the internal electrode, and improved withstand voltage characteristics and excellent reliability may be implemented. | 01-23-2014 |
20140185183 | DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR USING THE SAME - There is provided a multilayer ceramic capacitor, including: a ceramic body including dielectric layers; first and second internal electrodes disposed to face each other with the dielectric layer interposed therebetween within the ceramic body; a first external electrode electrically connected to the first internal electrodes; and a second external electrode electrically connected to the second internal electrodes, wherein the dielectric layer includes 40 to 99 wt % of barium titanate (BaTiO | 07-03-2014 |
20140268492 | BARIUM CALCIUM TIN TITANATE POWDER, DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR - There is provided a dielectric composition containing barium calcium tin titanate powder composed of (Ba | 09-18-2014 |
20150029637 | DIELECTRIC COMPOSITION FOR LOW-TEMPERATURE SINTERING, MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME, AND METHOD OF MANUFACTURING MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a dielectric composition for low-temperature sintering including BaTiO | 01-29-2015 |
20150062774 | DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME - There are provided a dielectric ceramic composition and a multilayer ceramic capacitor including the same. The dielectric ceramic composition according to embodiments of the present disclosure includes a base powder represented by xSrTiO | 03-05-2015 |
20160090325 | DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR USING THE SAME - The present invention relates to a dielectric ceramic composition, method for preparing the same, and electronic device using the same. According to the present invention, there is provided a dielectric ceramic composition which allows use of a nickel internal electrode, sintering under a reducing atmosphere, and having 1000 or higher dielectric constant while providing excellent dc-bias properties and reliability which is close to paraelectric property. The composition of the present invention can generate high effective capacity under high DC voltage, have strong resistance against electrostatic discharge (ESD) damage, and be used for preparing an electronic device having low acoustic noise. | 03-31-2016 |
Patent application number | Description | Published |
20140183940 | EMERGENCY START DEVICE OF FUEL CELL VEHICLE - An emergency start device of a fuel cell vehicle having a motor as a driving source is provided and includes a fuel cell that supplies power to a motor and an air blower that supplies air to the fuel cell. A high voltage battery supplies power to the air blower and a direct current (DC) converter increases an output of the high voltage battery to transfer the output to the air blower. In addition, a first switch transfers or intercepts an output of the high voltage battery to the air blower. By directly transferring a voltage of the high voltage battery to the air blower, the fuel cell is driven, when the DC converter fails while driving by the high voltage battery. | 07-03-2014 |
20150105952 | SYSTEM AND METHOD FOR CONTROLLING AIR SUPPLY OF FUEL CELL VEHICLE - A method for controlling an air supply of a fuel cell vehicle is provided. In particular, an air supply of a fuel cell vehicle is controlled by calculating an available power which is currently being used by a vehicle; calculating a motoring request power from a driving motor, based on the calculated available power and power required by the driving motor; calculating stack request power required in the fuel cell based on a required charging request power and the calculated motoring request power, depending on a state of charge (SOC) of a high voltage battery; and controlling the air supply to the fuel cell depending on the calculated stack request power. | 04-16-2015 |
20150360582 | TORQUE CONTROL APPARATUS AND METHOD FOR DRIVE MOTOR - A torque control apparatus and method for a drive motor is provided. The torque control method includes determining whether an input request torque is a rising torque or a falling torque. In addition, a controller is configured to select one of a rising rate map and a falling rate map based on a result of the judgment on the input request torque. Further, the controller is configured to adjust a rising rate of the rising torque using the rising rate map or a falling rate of the falling torque using the falling rate map. | 12-17-2015 |
Patent application number | Description | Published |
20120271001 | COMPOSITION OF POLYKETONE WITH HIGH IMPACT STRENGTH - The present invention provides a polyketone composition having about 40˜90 wt % of polyketone, about 5˜40 wt % of polyamide, and about 5˜20 wt % of modified rubber. The composition of the present invention greatly improves the impact resistance of polyketone, which has increased heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance or the like, and thus may be widely applied in various industrial fields, such as automotive parts including wheel covers, wheel caps, fuel filler necks, fuel tanks, fuel tubes, center fascias, door handles, roof rack covers, gear, junction boxes, connectors, seat backs or the like, electric/electronic parts, and household items, thereby providing durability of the parts and price competition. | 10-25-2012 |
20130066015 | POLYLACTIC ACID COMPOSITION FOR AUTOMOBILE PARTS - Disclosed is a polylactic acid composition with improved heat-resistance and improved impact-resistance. Specifically, in the disclosed polylactic acid composition, both impact strength and heat-resistance are improved by mixing 30 to 80 wt % of polyketone and 10 to 40 wt % of modified rubber. The disclosed polylactic acid composition does not only exhibit excellent in heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance, etc., but also has improved impact-resistance and improved heat resistance. Thus, it is possible to employ polylactic acid as a bioplastic in interior/exterior parts of a vehicle. | 03-14-2013 |
Patent application number | Description | Published |
20140147067 | BEARING MODULE FOR MOTOR - Disclosed herein is a bearing module for a motor that rotatably supports a rotational shaft and is sintered and molded, including: an upper bearing; and a lower bearing coupled to the upper bearing, wherein an oil receiving portion is formed in at least one of the upper bearing and the lower bearing. | 05-29-2014 |
20140154114 | SWITCHED RELUCTANCE MOTOR ASSEMBLY AND METHOD OF ASSEMBLING THE SAME - Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation. | 06-05-2014 |
20140159516 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly, wherein a lower balancing part, which becomes a target to be cut for balancing, includes a lower balancing part body installed on a lower surface of a rotor part and an encoder protruding on a lower surface of the lower balancing part body. In the present invention, the encoder, which is a portion of a balancing part, becomes a target to be cut, thereby making it possible to more effectively perform balancing even with a smaller amount of cutting as compared with the prior art. | 06-12-2014 |