Patent application number | Description | Published |
20130051714 | HYDRODYNAMIC BEARING ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - There are provided a hydrodynamic bearing assembly and a method of manufacturing the same. The hydrodynamic bearing assembly includes: a lubricating oil filled so as to form a liquid-vapor interface between stationary members and rotating members; and a lipophilic coating formed on the liquid-vapor interface of the lubricating oil so as to prevent lubricating oil leakage. Therefore, the lipophilic coating is formed on the interface of the lubricating oil and an oil repellent material is formed on a surface of at least one of the stationary members and the rotating members, whereby the scattering and the leakage of the lubricating oil may be effectively prevented. | 02-28-2013 |
20130085090 | LUBRICATING OIL COMPOSITION FOR FLUID DYNAMIC BEARING AND HDD MOTOR FABRICATED BY USING THE SAME - There are provided a lubricating oil composition for a fluid dynamic bearing and a hard disk drive (HDD) motor fabricated by using the same. The lubricating oil composition for a fluid dynamic bearing, includes: aliphatic mono carboxylic acid ester having a total of carbon numbers of 26 to 40, as a base oil, obtained by esterification between alcohol represented by the following Chemical Formula 1; and a straight or branched saturated aliphatic mono carboxylic acid having carbon numbers of 2 to 16: | 04-04-2013 |
20130090275 | LUBRICATING OIL COMPOSITION FOR FLUID DYNAMIC BEARINGS AND HDD MOTOR FABRICATED USING THE SAME - There are provided a lubricating oil composition for a fluid dynamic bearing and and a hard disk drive (HDD) motor fabricated by using the same. The lubricating oil composition for a fluid dynamic bearing includes: an aliphatic mono carboxylic acid ester, as a base oil, obtained by esterification between carboxylic acid represented by the following Chemical Formula 1; and isopropyl alcohol: | 04-11-2013 |
20130090276 | LUBRICATING OIL COMPOSITION FOR FLUID DYNAMIC BEARING AND HDD MOTOR FABRICATED USING THE SAME - There are provided a lubricating oil composition for a fluid dynamic bearing and a hard disk drive (HDD) motor fabricated using the same. The lubricating oil composition for a fluid dynamic bearing includes: an aliphatic mono carboxylic acid ester, as a base oil, obtained by esterification between alcohol represented by the following Chemical Formula 1; and 2-ethylbutanoic acid: | 04-11-2013 |
20130165356 | LUBRICATING OIL COMPOSITION FOR FLUID DYNAMIC BEARING AND HDD MOTOR FABRICATED USING THE SAME - There are provided a lubricating oil composition for a fluid dynamic bearing, and a HDD motor fabricated using the same. The lubricating oil composition includes an ester base oil and 0.01 to 3.00 parts by weight of an additive relative to 100 parts by weight of the base oil and has a density of 0.900 g/cm | 06-27-2013 |
20140018270 | LUBRICATING OIL COMPOSITION FOR FLUID DYNAMIC BEARING AND MOTOR FOR HDD FABRICATED USING THE SAME - There are provided a lubricating oil composition for a fluid dynamic bearing and a motor for a hard disk drive (HDD), the lubricating oil composition including, as a base oil, an aliphatic monocarboxylic acid ester having a total of between 16 to 46 carbon atoms, obtained by an esterification reaction of carboxylic acid represented by Chemical Formula 1 below and a primary or a secondary alcohol having between 8 to 38 carbon atoms, | 01-16-2014 |
20140296114 | LUBRICATING OIL COMPOSITION FOR HYDRODYNAMIC BEARING AND HDD MOTOR USING THE SAME - There is provided a lubricating oil composition for a hydrodynamic bearing including: 95 to 99 wt % of an ester-based base oil; and 1.0 to 5.0 wt % of mixed oil containing at least two kinds of ester-based oils different from the ester-based base oil. According to the present invention, a hard disk drive (HDD) motor is manufactured using the lubricating oil composition for a hydrodynamic bearing having a low viscosity, a small evaporation loss, and improved oxidation stability at a room temperature, whereby the impact resistance and low-temperature operation stability of the hydrodynamic bearing motor may be improved. | 10-02-2014 |
Patent application number | Description | Published |
20130147936 | APPARATUS AND METHOD FOR DETECTING DRIVER'S DAZZLING AND SYSTEM AND METHOD FOR BLOCKING DAZZLING USING THE SAME - Disclosed is a technique for detecting whether dazzling is affecting the drivers driving ability when the eye area is included in the area to which the direct sunlight is incident. More particularly of the technique detects a facial area and an eye area of a driver's image, and an area to which direct sunlight is incident in the facial area, and then determines whether dazzling is effecting the drivers driving ability when the eye area is included in the area to which the direct sunlight is incident to detect a direction of incidence of the direct sunlight and then, automatically blocks the direct sunlight in the direction to which light is incident via a blocking apparatus. | 06-13-2013 |
20140160289 | APPARATUS AND METHOD FOR PROVIDING INFORMATION OF BLIND SPOT - Disclosed is an apparatus and method for providing information regarding a blind spot in a vehicle. The apparatus includes a view transforming area detector that is configured to detect a predefined side area and rear side area from a captured image input from a side imaging device. The imaging device is configured to capture the image including the blind spot of the vehicle. Additionally, the apparatus includes a view transformer that is configured to view transform an image of the side area and an image of the rear side area based on a pre-set view transformation parameter and generate view transformed images corresponding to the images of the side area and the rear side area. | 06-12-2014 |
20140169624 | IMAGE BASED PEDESTRIAN SENSING APPARATUS AND METHOD - An image based pedestrian sensing apparatus and method that rapidly senses a pedestrian within an image by setting a region of interest (ROI) corresponding to a size of an object in a front image of a vehicle (i.e., an image taken from in front of the vehicle), extracting pedestrian candidates based on motion of the object, and sequentially comparing the extracted pedestrian candidates with pedestrian feature databases (e.g., databases for each posture of the pedestrian) according to a distance to judge the pedestrian. | 06-19-2014 |
20140180496 | SYSTEM AND METHOD OF DETECTING DROWSY DRIVING - A system and method of detecting drowsy driving that include a controller configured to calculate basic characteristics based on steering torque information and lateral displacement information for every first time and basic thresholds based on the basic characteristics for a second time. In addition, the controller calculates a current characteristic based on the steering torque information and the lateral displacement information for every third time and calculates current thresholds based on the current characteristic for a fourth time. The controller then compares the current thresholds and the current characteristics to determine whether drowsy driving is generated. | 06-26-2014 |
20160052524 | SYSTEM AND METHOD FOR ALERTING DROWSY DRIVING - A system and method for alerting drowsy driving are provided. The system includes a d controller configured to analyze a driving pattern of a vehicle to detect a dangerous driving pattern. In addition, the controller is configured to analyze a face image of a driver to detect an eye pattern maintained for a predetermined period of time or longer. Further, the controller is configured to determine that the driver is driving while drowsy when the eye closing for the predetermined period of time or longer and the dangerous driving pattern are simultaneously detected. | 02-25-2016 |
20160090043 | DRIVER CUSTOMIZABLE BLIND SPOT DISPLAY METHOD AND APPARATUS - A driver customizable blind spot display method and apparatus are provided. The method of displaying blind spots of a vehicle via a screen mounted within a vehicle includes receiving information regarding positions of the driver's eyes from a driver state monitoring system and receiving current mirror setting information on a per in-vehicle mirror basis from a mirror drive unit. Blind spots and viewable spots are then calculated using the information regarding positions of the driver's eyes and the current mirror setting information. Further, a current blind spot coverage screen is output that displays the calculated blind spots and viewable spots. | 03-31-2016 |
Patent application number | Description | Published |
20140174792 | INSULATING FILM FOR PRINTED CIRCUIT BOARD HAVING IMPROVED THERMAL CONDUCTIVITY, MANUFACTURING METHOD THEREOF, AND PRINTED CIRCUIT BOARD USING THE SAME - This invention relates to an insulating film for a printed circuit board having improved thermal conductivity, a manufacturing method thereof and a printed circuit board using the same, wherein the insulating film includes an amphiphilic block copolymer having a vertical structure formed in a thickness direction by chemically coupling a hydrophilic compound with a hydrophobic compound. | 06-26-2014 |
20140187674 | RESIN COMPOSITION WITH ENHANCED HEAT-RELEASING PROPERTIES, HEAT-RELEASING FILM, INSULATING FILM, AND PREPREG - This invention relates to a resin composition with enhanced heat-releasing properties, including a liquid crystal oligomer, an epoxy resin, or a resin mixture thereof, and graphene oxide as a filler, and to a heat-releasing film for an electronic device, an insulating film for a printed circuit board, and a prepreg, which are manufactured using the resin composition. | 07-03-2014 |
20140187679 | RESIN COMPOSITION WITH GOOD WORKABILITY, INSULATING FILM, AND PREPREG - This invention relates to a resin composition with good workability, including a liquid crystal oligomer, an epoxy resin, or a resin mixture thereof, and an inorganic filler having a nanocone shape, and to an insulating film for a printed circuit board, and a prepreg, which are manufactured using the resin composition. | 07-03-2014 |
20150090578 | TOUCH PANEL AND METHOD OF MANUFACTURING THE SAME - There is provided a touch panel including: a substrate; mesh pattern electrodes formed on the substrate; and hard coating layers formed on the substrate and filling air gaps of the mesh pattern electrode. | 04-02-2015 |
Patent application number | Description | Published |
20120111618 | FLAME RETARDANT RESIN COMPOSITION FOR MULTILAYER WIRING BOARD AND MULTILAYER WIRING BOARD INCLUDING THE SAME - There are provided a flame-retardant resin composition for a multilayer wiring board and a multilayer wiring board having the same. The flame-retardant resin composition for a multilayer wiring board according to an exemplary embodiment of the present invention includes a composite epoxy resin including a naphthalene modified epoxy resin, a cresol novolac epoxy resin, a rubber modified epoxy resin and a phosphorous-based epoxy resin, as well as a flame retardant represented by a specific chemical formula. The flame-retardant resin composition for a multilayer wiring board and the multilayer wiring board having the same disclosed herein exhibits excellent flame retardancy, moisture resistance and peel strength. | 05-10-2012 |
20120125667 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - There are provided a printed circuit board and a method of manufacturing the same. The printed circuit board includes a first circuit pattern formed on a core substrate; an insulating layer stacked on the core substrate to cover the first circuit pattern and having a uniform surface roughness on a nano scale; a second circuit pattern formed on the insulating layer; and a via pattern electrically connecting the first circuit pattern to the second circuit pattern and penetrating through the insulating layer. | 05-24-2012 |
20140066544 | INSULATING COMPOSITION FOR MULTILAYER PRINTED CIRCUIT BOARD - The present invention relates to an interlayer insulating composition for a multilayer printed wiring board including: an epoxy resin including a naphthalene-modified epoxy resin, a cresol novolac epoxy resin, and a rubber-modified epoxy resin; a thermoplastic resin; a curing agent; and an inorganic filler and a multilayer printed wiring board including the same as an insulating layer. The present invention can provide an insulating composition excellent in adhesion between an insulating layer and a Cu layer to secure normal operation and reliability of a final substrate. Further, since the present invention properly includes an epoxy resin and a thermoplastic resin regardless of an increase in the content of an inorganic filler, it is possible to secure the reliability of the substrate by preventing an insulating film from being brittle and improving toughness of the insulating film while maintaining a low thermal expansion rate. | 03-06-2014 |
20140182908 | EPOXY RESIN COMPOSITION FOR INSULATING FILM, INSULATING FILM, AND PRINTED CIRCUIT BOARD HAVING THE SAME - This invention relates to an epoxy resin composition for an insulating film, an insulating film, and a printed circuit board including the same. Particularly in a printed circuit board using a build-up process, a skin layer and a roughness are formed on the surface of the insulating film using different curing starting temperatures, so that peel strength can be enhanced, thus enabling the formation of a fine pattern, and also, a coefficient of thermal expansion of the insulating film is low, thus preventing the deformation of the film. | 07-03-2014 |
Patent application number | Description | Published |
20110094075 | METHOD FOR FORMING A CAPACITOR MODULE CIRCUIT IN AN INVERTER USING IMPEDANCE MATCHING - The present invention is directed to methods for forming an inverter circuit for operating a drive motor of an electric vehicle, which can more effectively reduce the switching noise generated by a power module during the operation of an inverter. | 04-28-2011 |
20110095603 | EMERGENCY CONTROL APPARATUS AND METHOD FOR USE - The present invention provides an emergency control apparatus, and method which maintains the power flow between a battery and an inverter and the operation state of an electric vehicle in the event of failure of a bidirectional DC-DC converter connected between the battery as a power source and the inverter for operating a drive motor. | 04-28-2011 |
20110106469 | CIRCUIT AND METHOD FOR DETECTING SHORT AND DISCONNECTION OF RESOLVER FOR HYBRID ELECTRIC VEHICLE - The present invention relates to a circuit and method for detecting a short and a disconnection of a resolver for a Hybrid Electric Vehicle (HEV), which can accurately analyze and detect the fault code of the resolver which detects the speed of a drive motor for an HEV and the angle of a rotator for an HEV. | 05-05-2011 |
20110133547 | MOTOR DRIVE SYSTEM FOR HYBRID VEHICLE AND METHOD FOR CONTROLLING THE SAME IN THE EVENT OF FAILURE - The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a | 06-09-2011 |
20110134959 | METHOD FOR MEASURING TEMPERATURE OF MOTOR FOR HYBRID ELECTRIC VEHICLE - 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. | 06-09-2011 |
20110241578 | METHOD FOR CONTROLLING PERMANENT MAGNET SYNCHRONOUS MOTOR - The present invention provides a method for controlling a permanent magnet synchronous motor used in electric vehicles such as hybrid vehicles, fuel cell vehicles, and the like. The method for controlling the permanent magnet synchronous motor preferably includes detecting an absolute angular position of a permanent magnet synchronous motor; calculating a rotational speed of the permanent magnet synchronous motor based on the detected absolute angular position; detecting a voltage of a battery as a power source; calculating a compensated speed, for which a battery voltage variation is compensated, from the rotational speed of the permanent magnet synchronous motor based on a torque command, the rotational speed of the permanent magnet synchronous motor, and the battery voltage; generating a d-axis current command and a q-axis current command corresponding to the torque command and the compensated speed using a predetermined current command map; converting three-phase currents flowing into the permanent magnet synchronous motor into a d-axis feedback current and a q-axis feedback current based on the detected absolute angular position; calculating a d-axis voltage command and a q-axis voltage command based on the d-axis current command, the q-axis current command, the d-axis feedback current, and the q-axis feedback current; converting the d-axis voltage command and the q-axis voltage command into three-phase voltage commands based on the detected absolute angular position; and controlling the operation of the permanent magnet synchronous motor based on the three-phase voltage commands. | 10-06-2011 |
20110260663 | METHOD FOR COMPENSATING NONLINEARITY OF RESOLVER FOR HYBRID AND FUEL CELL VEHICLES - 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. | 10-27-2011 |
20110304948 | CAPACITOR FOR INVERTER OF VEHICLE - The present invention provides a capacitor for an inverter of a vehicle comprising a case; a plurality of capacitor unit modules; positive and negative bus plates that are disposed in the case to be connected to the capacitor unit modules; and a power module corresponding to the unit modules, wherein that the unit modules are insulated from each other through an insulating material, and wherein the bus plates each comprise a bus bar that overlaps with the other bus bar and is electrically connected to the power module. | 12-15-2011 |
20120044647 | STRUCTURE FOR COOLING PARTS OF HEV - The present invention provides an apparatus for cooling parts of a hybrid electric vehicle. The apparatus cools the main heating parts of a motor driving system, including an inverter, in the HEV. A heat dissipater may also be provided and equipped with different heating parts, such that the heating parts share the heat dissipater. A channel for a coolant to flow is formed in the heat dissipater, and the heat dissipater defines heat transfer paths for transferring heat generated from the heating parts to the coolant. The heating parts include a power module, an inductor, and a film capacitor. | 02-23-2012 |
20120068721 | POWER CABLE BREAKING DETECTION METHOD OF MOTOR - A power cable breaking detection method for a vehicle includes detecting currents of respective phases supplied to a three-phase motor from an inverter through at least a power cable, and a driving speed of the motor, determining whether the respective currents and the driving speed of the motor satisfy power cable breaking detection conditions, determining whether various conditions are satisfied with respect to a cable breaking sensing reference value of a current command performing cable breaking timer counting when the conditions are satisfied, and determining whether a predetermined period has elapsed such that a cable is considered broken when the predetermined period has elapsed. | 03-22-2012 |
20120138274 | COOLING APPARATUS FOR ELECTRIC MODULES OF HYBRID ELECTRIC VEHICLE OR ELECTRIC VEHICLE - The present invention provides an apparatus for effectively cooling electric modules such as an inverter and an LDC installed in a hybrid electric vehicle or an electric vehicle. The cooling apparatus for electric modules of a hybrid electric vehicle or an electric vehicle secures a uniform cooling efficiency and achieves an excellent heat radiating efficiency at the same time by realizing a new type of cooling system adapted to separately manage heat transfer in the cooling water passages of first and second electric modules by separating an upper passage of the first electric module and a lower passage of the second electric module using a cooling separator. | 06-07-2012 |
20120140412 | POWER MODULE FOR INVERTER - A power module for an inverter which includes a base which has a plurality of slots are formed thereto, a plurality of building blocks inserted into the slots and power cables interconnecting the building blocks. Further, each of these building blocks is provided with a power element which corresponds to one phase. Thus, each building block in the power module may be replaced individually without having to replace the entire power module in case of a failure in a single power element of the power module. | 06-07-2012 |
20130106423 | MAIN RELAY MONITORING DEVICE AND METHOD FOR GREEN VEHICLE | 05-02-2013 |
Patent application number | Description | Published |
20140151101 | EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME, AND PRINTED CIRCUIT BOARD HAVING EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT THEREIN - There is provided an embedded multilayer ceramic electronic component, including: a ceramic body including dielectric layers; first and second internal electrodes facing each other with the dielectric layers interposed therebetween; a first external electrode and a second external electrode formed on external surfaces of the ceramic body, the first external electrode being electrically connected to the first internal electrodes and the second external electrode being electrically connected to the second internal electrodes; and a plating layer formed on the first external electrode and the second external electrode, wherein a surface roughness of the ceramic body is 500 nm or greater and not greater than a thickness of a ceramic cover sheet and a surface roughness of the plating layer is 300 nm or greater and not greater than a thickness of the plating layer. | 06-05-2014 |
20140209364 | MULTILAYER CERAMIC CAPACITOR, MANUFACTURING METHOD THEREFOR, CIRCUIT BOARD HAVING MULTILAYER CERAMIC CAPACITOR EMBEDDED THEREIN, AND POLISHING DEVICE FOR MULTILAYER CERAMIC CAPACITOR - There are provided multilayer ceramic capacitor, a manufacturing method therefor, a circuit board having a multilayer ceramic capacitor embedded therein, and a polishing device for a multilayer ceramic capacitor. | 07-31-2014 |
20140262463 | EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT AND PRINTED CIRCUIT BOARD HAVING THE SAME - There is provided an embedded multilayer ceramic electronic component including a ceramic body including dielectric layers, having first and second main surfaces, first and second side surfaces, and first and second end surfaces, and having a thickness of 250 μm or less, first and second internal electrodes alternately exposed to the first or second side surface, and first and second external electrodes formed on the first and second side surfaces, wherein the first external electrode includes a first electrode layer and a first metal layer, the second external electrode includes a second electrode layer and a second metal layer, the first and second external electrodes are extended onto the first and second main surfaces, and widths of the first and second external electrodes formed on the first and second main surfaces are different from each other. | 09-18-2014 |
20150021079 | MULTILAYER CERAMIC ELECTRONIC COMPONENT TO BE EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING MULTILAYER CERAMIC ELECTRONIC COMPONENT EMBEDDED THEREIN - There is provided a multilayer ceramic electronic component to be embedded in a board, including a ceramic body including dielectric layers and having first and second main surfaces facing each other, first and second side surfaces facing each other, and first and second end surfaces facing each other, an active layer including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body with the dielectric layers interposed therebetween, to form capacitance therein, upper and lower cover layers formed on upper and lower portions of the active layer, and first and second external electrodes formed on both end surfaces of the ceramic body, wherein when a thickness of the upper or lower cover layer is defined as tc, 4 μm≦tc≦20 μm may be satisfied. | 01-22-2015 |
20150021080 | MULTILAYER CERAMIC ELECTRONIC PART TO BE EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING MULTILAYER CERAMIC ELECTRONIC PART EMBEDDED THEREIN - There is provided a multilayer ceramic electronic part to be embedded in a board including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes; upper and lower cover layers disposed on and below the active layer, respectively; and first and second external electrodes formed on both end portions of the ceramic body, wherein a first internal electrode positioned at an outermost position among the first electrodes is connected to the first external electrode by at least one first via extended to at least one of first and second main surfaces of the ceramic body, and a second internal electrode positioned at an outermost position among the second internal electrodes is connected to the second external electrode by at least one second via extended to at least one of first and second main surfaces of the ceramic body. | 01-22-2015 |
20150022943 | MULTILAYER CERAMIC CAPACITOR TO BE EMBEDDED IN BOARD, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING BOARD HAVING MULTILAYER CERAMIC CAPACITOR EMBEDDED THEREIN - There is provided a multilayer ceramic capacitor to be embedded in a board, including: a ceramic body; first and second internal electrodes alternately exposed through end surfaces of the ceramic body; first and second external electrodes formed on end surfaces of the ceramic body; and first and second plating layers enclosing the first and second external electrodes, wherein when distance from one end of bands of the first or second external electrode to the other end thereof is ‘A’ and distance between points at which a virtual line drawn from a point vertically spaced apart from a surface of the first or second plating layer at a point ½×A from one end of the bands inwardly of the ceramic body by 3 μm in length direction of the ceramic body intersects points on the surface of the first or second plating layer is ‘B,’ B/A≧0.6. | 01-22-2015 |
20150041197 | EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT AND PRINTED CIRCUIT BOARD HAVING THE SAME - There is provided an embedded multilayer ceramic electronic component including: a ceramic body including dielectric layers; first internal electrodes and second internal electrodes having first and second leads; first dummy electrodes and second dummy electrodes; and first and second external electrodes, wherein when a length from ends of the first and second external electrodes formed on first and second lateral surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is G, a length of the first and second external electrodes formed on the first and second lateral surfaces of the ceramic body up to end surfaces of the ceramic body is BW, and a length from the end surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is M, 30 μm≦G02-12-2015 | |
20150041198 | MULTILAYER CERAMIC ELECTRONIC PART TO BE EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING MULTILAYER CERAMIC ELECTRONIC PART EMBEDDED THEREIN - There is provided a multilayer ceramic electronic part to be embedded in a board, the multilayer ceramic electronic part including: a ceramic body including dielectric layers; first and second internal electrodes disposed in the ceramic body; first and second external electrodes formed on the respective end portions of the ceramic body, and a third external electrode formed on first and second main surfaces of the ceramic body, wherein an outermost first internal electrode among the first internal electrodes is connected to the first and second external electrodes through at least one first via, and the second internal electrodes are connected to the third external electrode through at least one second via. | 02-12-2015 |
20150049412 | MULTILAYER CERAMIC CAPACITOR, METHOD OF MANUFACTURING THE SAME, AND PRESSING PLATE FOR MULTILAYER CERAMIC CAPACITOR - There is provided a multilayer ceramic capacitor, including: a ceramic body including a plurality of dielectric layers stacked therein; first and second internal electrodes alternately exposed to both end surfaces of the ceramic body, having each of the dielectric layers disposed therebetween; and first and second external electrodes formed on the end surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively, wherein a difference in rigidity between upper and lower portions of the ceramic body is 4% or less. | 02-19-2015 |
20150053472 | EMBEDDED MULTILAYER CERAMIC ELECTRONIC COMPONENT AND PRINTED CIRCUIT BOARD HAVING THE SAME - There is provided an embedded multilayer ceramic electronic component including: a ceramic body including a dielectric layer; a plurality of first and second internal electrodes; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first and second external electrodes are extended to first and second main surfaces of the ceramic body, and when a thickness of the ceramic body is defined as ts, a maximum thickness of the first and second external electrodes formed on the first and second main surfaces of the ceramic body is defined as tb, a minimum distance of the first and second external electrodes formed on first and second end surfaces of the ceramic body in a length direction of the ceramic body is defined as ta, tb/ts and ta/tb satisfy the following Equations, respectively: 0.1≦tb/ts≦1.0 and 0.5≦ta/tb≦2.0. | 02-26-2015 |
20150060122 | MULTILAYER CERAMIC ELECTRONIC COMPONENT TO BE EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING MULTILAYER CERAMIC ELECTRONIC COMPONENT EMBEDDED THEREIN - There is provided a multilayer ceramic electronic component embedded in a board including: a ceramic body including dielectric layers; first and second internal electrodes; and first and second external electrodes formed on first and second side surfaces of the ceramic body, respectively, wherein the first external electrode includes a first electrode layer and a first metal layer formed on the first electrode layer, the second external electrode includes a second electrode layer and a second metal layer formed on the second electrode layer, the first and second external electrodes are formed to be extended to first main surface of the ceramic body, and when a maximum width and a minimum width of at least one of the first and second external electrodes formed on the first main surface are defined as BWmax and BWmin, respectively, 0≦BWmax−BWmin≦100 μm is satisfied. | 03-05-2015 |
20150075853 | MULTILAYER CERAMIC ELECTRONIC COMPONENT EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING THE SAME - There is provided a multilayer ceramic electronic component embedded in a board including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes, having the dielectric layer therebetween, to thereby form capacitance; upper and lower cover layers formed in upper and lower portions of the active layer; and first and second external electrodes formed in both ends of the ceramic body, wherein the first external electrode includes a first base electrode and a first terminal electrode formed on the first base electrode, the second external electrode includes a second base electrode and a second terminal electrode formed on the second base electrode, and in the case that a thickness of the upper cover layer is tc1 and a thickness of the lower cover layer is tc2, 0.10≦tc1/tc2≦1.00 is satisfied. | 03-19-2015 |
20150122535 | MULTILAYER CERAMIC ELECTRONIC COMPONENT TO BE EMBEDDED IN BOARD AND PRINTED CIRCUIT BOARD HAVING MULTILAYER CERAMIC ELECTRONIC COMPONENT EMBEDDED THEREIN - There is provided a multilayer ceramic electronic component to be embedded in a board including: a ceramic body including dielectric layers and having first and second main surfaces opposing one another, first and second lateral surfaces opposing one another, and first and second end surfaces opposing one another; first and second internal electrodes stacked to be spaced apart from both end surfaces of the ceramic body at a predetermined distance with the dielectric layers interposed therebetween, respectively; and first and second external electrodes formed in both end portions of the ceramic body, wherein the first and second external electrodes include first and second base electrodes and first and second terminal electrodes formed on the first and second base electrodes, respectively, and a non-conductive paste layer is formed on both lateral surfaces of the ceramic body. | 05-07-2015 |
Patent application number | Description | Published |
20080225408 | Subminiature imaging optical system - There is provided a subminiature imaging optical system installed in a mobile telecommunication terminal or a PDA, or used in a surveillance camera or a digital camera. The subminiature imaging optical system including: first, second, third and fourth lenses sequentially positioned from an object side to an image side, the first lens having positive refractive power, the second lens having negative refractive power, the third lens having negative refractive power, and the fourth lens having positive refractive power, wherein each of the third and fourth lenses has at least one aspherical surface. The subminiature imaging optical system corrects chromatic aberration superbly to reduce color fringing significantly, thereby achieving high resolution and compactness as well. | 09-18-2008 |
20090073577 | Super wide angle optical system - A super wide angle optical system including: a first lens group including one or more of irrotational symmetric lens surfaces disposed sequentially from an object side and having, overall, a negative refractive power; an aperture stop for intercepting unnecessary light; and a second lens group including one or more of irrotational symmetric lens surfaces and having, overall, a positive refractive power. | 03-19-2009 |
20090109552 | Subminiature imaging optical system - There is provided a subminiature imaging optical system suitably applicable to a subminiature optical device such as a mobile phone camera. The subminiature imaging optical system including: a first lens having positive refractive power and both convex surfaces; a second lens having negative refractive power and a concave image-side surface; a third lens having negative refractive power and a meniscus shape with a convex image-side surface; and a fourth lens having negative refractive power. | 04-30-2009 |
20090251801 | Super wide angle optical system - There is provided a super wide angle optical system including, arranged about an optical axis: a first lens having a negative refractive power and having a meniscus shape with a convex object-side surface; a second lens having a negative refractive power and having a meniscus shape with a convex object-side surface; a third lens having a positive refractive power and having both convex surfaces; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power and having both convex surfaces. | 10-08-2009 |
20130329307 | LENS MODULE - There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, | 12-12-2013 |
20140098281 | LENS MODULE - There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, | 04-10-2014 |
20140104480 | LENS MODULE - There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, | 04-17-2014 |
20140104701 | LENS MODULE - There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, | 04-17-2014 |
Patent application number | Description | Published |
20130214623 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor including: a salient pole type rotor provided with a plurality of salient poles; and a stator including a stator body provided with a plurality of salient poles facing the rotor and a plurality of auxiliary slots disposed between the salient poles, a plurality of phase windings formed by winding coils around the salient poles, and a plurality of electromagnets formed by winding coils in the auxiliary slots, wherein magnetic fluxes generated due to excitation of the phase windings interact with magnetic force generated from the electromagnets, such that a magnetic flux amount may increase and torque density may be improved, and an intersection line is not generated in the magnetic fluxes generated due to the excitation of the phase windings. | 08-22-2013 |
20140056740 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly capable of reducing an assembling error that is generated according to separate assembling and improving precision of assembling of bearing parts by forming a diffuser part and a motor housing integrally with each other. In the switched reluctance motor assembly, the diffuser is coupled integrally with the housing, such that a separate member for fixing the diffuser is omitted, thereby making it possible to reduce vibration according to driving of a motor and noise according to the vibration. | 02-27-2014 |
20140062226 | SWITCHED RELUCTANCE MOTOR ASSEMBLY - Disclosed herein is a switched reluctance motor assembly including: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled to the shaft; a balancing member including the rotor part and formed so as to enclose the shaft; a sensor magnet coupled to a lower end portion of the balancing member in an axial direction; and a printed circuit board having a hall sensor attached thereto so as to face the sensor magnet at a lower portion of the sensor magnet in the axial direction. According to the present invention, the coupling precision of the sensor magnet for sensing the position of the rotor part forming the rotor of the switched reluctance motor assembly may be improved. | 03-06-2014 |
20140119945 | SWITCHED RELUCTANCE MOTOR ASSEMBLY AND METHOD OF ASSEMBLING THE SAME - Disclosed herein are a controller embedded switched reluctance motor assembly and a method of assembling thereof. Particularly, according to the present invention, a controller controlling the motor unit is installed in a housing, such that a separate process of installing the controller may be omitted, thereby facilitating assembling of the switched reluctance motor assembly. In addition, since a separate installation space of the controller is not required, a vacuum cleaner including the switched reluctance motor assembly may be miniaturized, and since the controller is installed in a state in which a motor unit and an insulator are coupled to each other and then installed in the housing, intermediate tests of the controller or the motor to unit may be easily performed, such that defects may be reduced. Further, the controller is in the housing, such that the controller may be protected from external disturbance. | 05-01-2014 |
20140175911 | STATOR AND MOTOR HAVING THE SAME - Disclosed herein is a stator including: a plurality of stator cores; a coil wound around each of the plurality of stator cores; and an injection part injection-molded between the plurality of stator cores. | 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 |