Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Kwang Seok

Kwang Seok An, Gwangju KR

Patent application numberDescriptionPublished
20090195118SPINDLE MOTOR - A spindle motor is provided. The spindle motor includes a bearing housing, a bearing, a rotation shaft, a stator, and a rotor. A guide is disposed on an outer surface of the bearing housing. The bearing is fixed in the bearing housing. The rotation shaft is rotatably supported by the bearing. The stator is fixed to the bearing housing. The stator includes a core in contact with the guide and a coil wound around the core. The rotor is fixed to the rotation shaft to rotate by interacting with the stator.08-06-2009

Kwang Seok Hong, Gwacheon-Si KR

Patent application numberDescriptionPublished
20090299943CONCERNED INFORMATION RECOMMENDATION SYSTEM AND METHOD CONSIDERING USER'S WATCHING OR LISTENING TIME AND MAXIMUM PLAYING TIME OF CONTENTS - A user-concerned information recommendation system and method considering user's watching or listening time and the maximum playing time of contents are disclosed. The user-concerned information provision system includes a plurality of user terminals to provide contents transmitted from an external server to a user, a user-concerned information inference server to infer an association relationship between the contents based on information of maximum playing time and actual playing time of the contents provided to the user terminals, and a content provision server to provide a content requested by an arbitrary one of the user terminals and other contents associated with the requested content according to the inferred association relationship to the arbitrary one of the user terminals when receiving a request of the content from the arbitrary one of the user terminals, thereby providing more accurate user-concerned information to the user.12-03-2009
20100185579USER-BASED COLLABORATIVE FILTERING RECOMMENDATION SYSTEM AND METHOD FOR AMENDING SIMILARITY USING INFORMATION ENTROPY - The present invention relates to a user-based collaborative filtering recommendation method and system and, more specifically, relates to a user-based collaborative filtering recommendation method and system which amends the similarity between the recommend probable user and the other user to improve the accuracy in the prediction of preference by using the relation between the user preference information entropies of the recommend probable user and the other user.07-22-2010

Kwang Seok Hong, Gwacheon KR

Patent application numberDescriptionPublished
20090284608GAZE TRACKING APPARATUS AND METHOD USING DIFFERENCE IMAGE ENTROPY - In accordance with one aspect of the present invention, there is provided a gaze tracking apparatus using difference image entropy, comprising: image detection module for detecting user's eye region image from image of the user taken by picture-taking apparatus which is connected to the gaze tracking apparatus; image selection module for computing entropy value of difference image between the eye region image and a plurality of reference images respectively indicating each gazing direction and selecting reference image with least difference image entropy value among the plurality of reference images; and gaze tracking module for recognizing user's gazing direction by regarding gazing direction that the selected reference image indicates as user's gazing direction.11-19-2009

Kwang Seok Jeon, Icheon-Si KR

Patent application numberDescriptionPublished
20090289295Semiconductor Device and Method of Fabricating the same - The invention relates to semiconductor devices and a method of fabricating the same. In accordance with a method of fabricating a semiconductor device according to an aspect of the invention, a tunnel insulating layer, a first conductive layer, a dielectric layer, a second conductive layer, and a gate electrode layer are sequentially stacked over a semiconductor substrate. The gate electrode layer, the second conductive layer, the dielectric layer, and the first conductive layer are patterned so that the first conductive layer partially remains to prevent the tunnel insulating layer from being exposed. Sidewalls of the gate electrode layer are etched. A first passivation layer is formed on the entire surface including the sidewalls of the gate electrode layer. At this time, a thickness of the first passivation layer formed on the sidewalls of the gate electrode layer is thicker than that of the first passivation layer formed in other areas. A cleaning process is performed to thereby remove byproducts occurring in the etch process. A gate pattern is formed by etching the first passivation layer, the first conductive layer, and the tunnel insulating layer.11-26-2009

Kwang Seok Jeong, Shiheong-Shi KR

Patent application numberDescriptionPublished
20090153151Obstacle Detection System and Obstacle Detection Method Thereof - An obstacle detection system includes a static capacitance detection module including a sensor strip for detecting a static capacitance, an RF oscillator connected to the sensor strip, a phase lock loop section for maintaining the oscillation frequency of the RF oscillator to a selected value and a first MCU for controlling the operation of the phase lock loop section, a control module including a second MCU for remotely controlling the first MCU of the static capacitance detection module and a transmission line for connecting the static capacitance detection module and the control module and transmitting the information acquired by the first MCU so as to be transmitted to the control module, a control signal to be transmitted from the second MCU to the first MCU and drive power of the static capacitance detection module.06-18-2009

Kwang Seok Kim, Seoul KR

Patent application numberDescriptionPublished
20090144767METHOD FOR SWITCHING BETWEEN MINOR CHANNELS FOR DIGITAL TELEVISIONS - A method for switching between minor channels for digital televisions is disclosed. The method includes determining whether a minor channel is in a non-signal state, analyzing information of a major channel, to which the minor channel in the non-signal state pertains, if the minor channel is in the non-signal state, followed by obtaining information of minor channels pertaining to the major channel, and selecting other minor channels excluding the minor channel in the non-signal state based on an analysis of the information of the minor channels to sequentially determine whether the selected minor channels are in a signal state, followed by switching from the minor channel in the non-signal state to a minor channel in the signal state if a minor channel in the signal state is present.06-04-2009

Kwang Seok Oh, Seoul KR

Patent application numberDescriptionPublished
20090134507Adhesive on wire stacked semiconductor package - A semiconductor package and a method of producing the same has a substrate. A first semiconductor chip is coupled to a surface of the substrate. The first semiconductor chip has a first and second surfaces which are substantially flat in nature. An adhesive layer is coupled to the second surface of the first semiconductor chip. A second semiconductor chip having first and second surfaces which are substantially flat in nature is further provided. An insulator is coupled to the first surface of the second semiconductor chip for preventing shorting of wirebonds. The second semiconductor chip is coupled to the adhesive layer by the insulator coupled to the first surface thereof.05-28-2009
20110089564ADHESIVE ON WIRE STACKED SEMICONDUCTOR PACKAGE - A semiconductor package and a method of producing the same has a substrate. A first semiconductor chip is coupled to a surface of the substrate. The first semiconductor chip has a first and second surfaces which are substantially flat in nature. An adhesive layer is coupled to the second surface of the first semiconductor chip. A second semiconductor chip having first and second surfaces which are substantially flat in nature is further provided. An insulator is coupled to the first surface of the second semiconductor chip for preventing shorting of wirebonds. The second semiconductor chip is coupled to the adhesive layer by the insulator coupled to the first surface thereof.04-21-2011

Patent applications by Kwang Seok Oh, Seoul KR

Kwang Seok Oh, Yeoju-Gun KR

Patent application numberDescriptionPublished
20090117705METHOD OF FORMING ISOLATION LAYER OF SEMICONDUCTOR MEMORY DEVICE - The present invention relates to a method of forming isolation layers of a semiconductor device. According to a method of forming isolation layers of a semiconductor device in accordance with an aspect of the present invention, a tunnel insulating layer, a charge trap layer, and a hard mask layer are sequentially formed over a semiconductor substrate. First trenches are formed by etching the hard mask layer, the charge trap layer, the tunnel insulating layer, and the semiconductor substrate. A spacer layer is formed on the entire surface including the first trenches. Second trenches are formed by etching the spacer layer, which is formed at a bottom of the first trenches, and the semiconductor substrate. An insulating layer for isolation is formed on the entire surface including the second trenches.05-07-2009

Kwang Seok Seo, Seoul KR

Patent application numberDescriptionPublished
20090009218Literal Gate Using Resonant Tunneling Diodes - The present invention relates to a literal gate using resonant tunneling diodes; and, more particularly, to a literal gate using only resonant tunneling diodes (RTDs).01-08-2009
20100308925Method of producing micromachined air-cavity resonator, micromachinedair-cavity resonator, band-pass filter and oscillator using the method - A micromachined air-cavity resonator, a method for fabricating the micromachined air-cavity resonator, and a band-pass filter and an oscillator using the same are provided. In particular, a micromachined air-cavity resonator including a current probe fabricated together when the air-cavity resonator is fabricated, and a groove structure for rejecting detuning effect when an external circuit of a package substrate is coupled to the current probe, a millimeter-wave band-pass filter using the same, and a millimeter-wave oscillator using the same are provided. The micromachined air-cavity resonator includes a cavity structure which comprises a current probe simultaneously formed through a fabrication process, and a groove structure; and a package substrate integrated with the cavity structure. Thus, the micromachined air-cavity resonator can be easily fabricated by etching a silicon substrate and easily integrated to the package substrate using the flip-chip bonding.12-09-2010

Patent applications by Kwang Seok Seo, Seoul KR

Kwang-Seok Hong, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090177423SIGNAL DETECTION USING DELTA SPECTRUM ENTROPY - Disclosed is a method of signal detection. A received input signal is divided into a frame unit and each input signal present in a first frame and a second frame is transformed into a frequency signal. Then, first power spectrum information and second power spectrum information are computed utilizing the transformed frequency signal and a delta spectrum entropy value corresponding to a difference of the two computed power spectrum information is obtained. A predetermined input signal is included in a predetermined frame among the input signal after judging through comparing the delta spectrum entropy value with a critical value. Desired signal can be detected in a noisy environment including a noise signal by using the delta spectrum entropy value.07-09-2009

Kwang-Seok Jeong, Suwon-Si KR

Patent application numberDescriptionPublished
20090115314BORON NITRIDE NANOTUBE PASTE COMPOSITION, ELECTRON EMISSION SOURCE INCLUDING THE SAME, ELECTRON EMISSION DEVICE INCLUDING THE ELECTRON EMISSION SOURCE, AND BACKLIGHT UNIT AND ELECTRON EMISSION DISPLAY DEVICE INCLUDING THE ELECTRON EMISSION DEVICE - Boron nitride nanotube paste compositions, electron emission sources including the same, electron emission devices including the same and backlight units and electron emission display devices including the same are provided. A boron nitride nanotube paste composition includes about 100 parts by weight boron nitride nanotubes, from about 500 to about 2000 parts by weight glass frit, from about 1000 to about 2000 parts by weight filler, from about 2000 to about 4000 parts by weight organic solvent, and from about 4000 to about 6000 parts by weight polymer binder. Electron emission devices including the boron nitride nanotube electron emission sources have longer lifespan and improved uniformity among pixels.05-07-2009

Patent applications by Kwang-Seok Jeong, Suwon-Si KR

Kwang-Seok Lee, Daegu KR

Patent application numberDescriptionPublished
20090038228METHOD AND APPARATUS FOR WINDOW CLOSING IN THE SLIDING WINDOW SYSTEM - Provided are an apparatus and method for opening and closing a window by slidably moving a movable window sash or door (hereinafter collectively called a ‘movable window sash’) with respect to a fixed window sash or door (hereinafter collectively called a ‘fixed window sash’). The apparatus is designed such that the movable window sash cannot only slide along a rail mounted within a blank frame but also be separated from a roller to move back and forth from any position on a rail toward the blank frame or the fixed window sash in a perpendicular direction with respect to a length direction of the rail, thus allowing the entire seal member interposed between either the blank frame or the fixed window sash and the movable window sash to be uniformly pressed in the perpendicular direction. Thus, excellent soundproofing, air tightness (windproofing), water tightness, insulation performance, and wind pressure resistance can be provided. Furthermore, the sliding window system has a simplified opening/closing structure and a minimum number of components, and low manufacturing cost.02-12-2009

Kwang-Seok Oh, Daejeon KR

Patent application numberDescriptionPublished
20100145054IMIDAZOLE DERIVATIVES HAVING ARYL PIPERIDINE SUBSTITUENT, METHOD FOR PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME - The present invention is directed to a novel imidazole derivative having an aryl piperidine substituent of formula (I) and a method for preparation thereof, and a pharmaceutical composition containing said imidazole derivative as an active ingredient for preventing or treating a MCH (melanine-concentrating hormone)-related disease.06-10-2010