Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Cheol-Ho
Cheol Ho Cho, Bucheon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100123196 | LDMOS Transistor and Method for Manufacturing the Same - A LDMOS transistor and a method for manufacturing the same are disclosed. A lateral double diffused metal oxide semiconductor (LDMOS) transistor includes a first dielectric layer formed on a top surface of a substrate; a plurality of second dielectric layers on a top surface of the first dielectric layer; a plurality of contact plugs spaced apart by a predetermined distance in an active region of the substrate, passing through the first and second dielectric layers; and a bridge metal line formed in the second dielectric layers, inter-connecting the contact plugs in a horizontal direction. The bridge metal line formed to inter-connect the contact plugs allows for more current to flow in the presently disclosed LDMOS transistor than in a conventional LDMOS transistor of identical size. | 05-20-2010 |
Cheol Ho Cho, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100148258 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed are a semiconductor device and a method of manufacturing the same. The semiconductor device includes a substrate formed therein with a first conductive type well, and an LDMOS device formed on the substrate. The LDMOS device includes a gate electrode, gate oxides formed below the gate electrode, a source region formed in the substrate at one side of the gate electrode, and a drain region formed in the substrate at an opposite side of the gate electrode. The gate oxide includes first and second gate oxides disposed side-by-side and having thicknesses different from each other. | 06-17-2010 |
Cheol Ho Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20120030942 | Method for manufacturing multi-layer printed circuit board - Disclosed herein is a method for manufacturing a multi-layer printed circuit board. The method for manufacturing the multi-layer printed circuit board according to an exemplary embodiment of the present invention includes manufacturing a core substrate on which circuit patterns are formed by patterning copper clads on both sides thereof; laminating insulating films on top and bottom surfaces of the core substrate; and stacking the copper clads provided with bumps on the top and bottom surfaces of the core substrate, respectively, on which the insulating films are laminated. | 02-09-2012 |
| 20120103662 | Printed circuit board and manufacturing method thereof - Disclosed herein are a printed circuit board including a first low-viscosity solder resist layer formed on one surface of a substrate having circuit patterns formed thereon and a second high-viscosity solder resist layer stacked on the first solder resist layer, thereby being advantageous in controlling the deviation in application thickness of solder resist (SR), while having excellent adhesion to the substrate, and a manufacturing method thereof. | 05-03-2012 |
Cheol Ho Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100238283 | LANE DEPARTURE WARNING METHOD AND SYSTEM USING VIRTUAL LANE-DIVIDING LINE - The present invention relates to a lane departure warning system and method, which use a virtual lane-dividing line generated using lane width information that is calculated using previously detected lane-dividing lines even when it is difficult to detect a lane-dividing line according to the weather, illuminance, road surface conditions, etc. present during travel of a vehicle, thus allowing a lane departure warning to be provided to a driver on the basis of the virtual lane-dividing line. | 09-23-2010 |
Cheol Ho Kim, Uiwang-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120133862 | LIGHT DIFFUSER FILM AND LIQUID CRYSTAL DISPLAY PANEL USING THE SAME - The present invention discloses a light diffuser film including a transparent thermoplastic resin, the light diffuser film having an embossed pattern on at least one side thereof, the embossed pattern having an average roughness (Ra) of about 1.5 μm or less, and a peak count (Rpc) of about 100 peaks/cm or more. | 05-31-2012 |
Cheol Ho Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080316170 | Computer Mouse - Provided is a computer mouse including a grip portion having a flat bottom surface and a longitudinal central grip axis; a grip central point located at the center of the longitudinal central grip axis; the grip portion standing on a surface on which the computer mouse moves; a vertical axis perpendicular to the surface and including the central point; a sensor portion which includes a sensor having a sensor central point located at the center of the sensor; the sensor being located distant in a forward direction from the grip portion; a vertical plane containing the vertical axis and the sensor central point; wherein the longitudinal central axis is angled from the vertical axis and tilted to the left or right with reference to the forward direction; a bottom grip point defined by the intersection between the vertical axis and the bottom surface; and wherein the bottom grip point is located substantially at the center of the bottom surface. | 12-25-2008 |
Cheol Ho Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110219454 | METHODS OF IDENTIFYING ACTIVEX CONTROL DISTRIBUTION SITE, DETECTING SECURITY VULNERABILITY IN ACTIVEX CONTROL AND IMMUNIZING THE SAME - Provided is a method of identifying an ActiveX control distribution site, detecting a security vulnerability in an ActiveX control and immunizing the same. A security vulnerability existing in an ActiveX control may be automatically detected, effects brought on by the corresponding security vulnerability may be measured, and abuse of the detected security vulnerability in a user PC to be protected may be immediately prevented. Therefore, since the user PC may be protected regardless of a security patch, it is anticipated that security problems in the Internet environment caused by imprudent use of the ActiveX control may be significantly enhanced. | 09-08-2011 |
Cheol Ho Ohk, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090067682 | Facial region detection device and correction method for photoprinting - Disclosed is a method for correcting a facial region detected from image data for photoprinting of improved image quality. The method includes an image data input step of inputting the image data to an image processing device; facial region detection step of extracting a skin color region from the inputted image data and detecting a planar face or a rotated planar face from a face-existing candidate region; a region division step of dividing the facial region detected in the facial region detection step; a correction step of extracting a distortion data value from the region divided in the region division step and conducting correction; and a photoprinting step of visually outputting the image data finally corrected in the correction step. Various types of distortion of the facial image is effectively corrected before it is printed by a photoprinter so that the image quality is improved. | 03-12-2009 |
Cheol Ho Yang, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100043542 | SENSOR FOR TIRE PRESSURE AND TIRE PRESSURE MONITORING SYSTEM HAVING THE SAME - Provided is a tire pressure monitoring system including: a tire pressure measurement sensor including a pressure detection means for detecting an air pressure in a tire, a connection pipe for connecting an air injection valve of the tire to the pressure detection means, a fixing means for fixing the connection pipe to the air injection valve of the tire, and an air injection means connected to the pressure detection means to inject air into the tire through the pressure detection means; and a display for showing the air pressure of each tire of a vehicle to a driver, wherein the tire pressure measurement sensor is mounted in the air injection valve of the tire and transmits a pressure value of the tire to the display through wireless communication. | 02-25-2010 |
Cheol-Ho Cho, Cheongju-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100258865 | TRANSISTOR HAVING RECESS CHANNEL AND FABRICATING METHOD THEREOF - A transistor includes a substrate including a trench, an insulation layer filled in a portion of the trench, the insulation layer having a greater thickness over an edge portion of a bottom surface of the trench than over a middle portion of the bottom surface of the trench, a gate insulation layer formed over inner sidewalls of the trench, the gate insulation layer having a thickness smaller than the insulation layer, and a gate electrode filled in the trench. | 10-14-2010 |
Cheol-Ho Choi, Gwangju-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090044501 | Dust separating apparatus - A dust separating apparatus is provided, including a main body having a cylindrical shape and including a suction port on a bottom surface and an open upper part, a cover that covers the upper part of the main body and includes a discharge port formed on the same axis as the suction port; and an air guide member protruding from the suction port to the inside of the main body, wherein the air guide member allows the suction port to be in fluid communication with the main body when suction force is generated in the main body and does not allow the suction port to be in fluid communication with the main body when suction force is not generated in the main body. | 02-19-2009 |
Cheol-Ho Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100291488 | Manufacturing method for multilayer core board - A method for manufacturing a cone board including: preparing a core insulation layer including one or more resins selected from the group consisting of epoxy resins and bismaleimide triazine resins; and forming a first nickel layer on at least one surface of the core insulation layer by electroless plating | 11-18-2010 |
Cheol-Ho Jeong, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080286006 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image on a surface of the drum by charging plates included in the drum surface among plates of capacitors of a plurality of cells based onprint data, wherein the cells constitute a circumference of the drum, the electrostatic latent image is developed so as to generate a developed image, the developed image is transferred onto a printing medium, and the developed image is fixed to the printing medium. Accordingly, the time required to print the print data is drastically reduced, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained. | 11-20-2008 |
| 20080286007 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image corresponding to print data that is to be printed, on a surface of the drum, the electrostatic latent image is developed so as to generate a developed image, the developed image is transferred onto a printing medium, and the transferred image is fixed to the printing medium. Accordingly, the time required to print the print data is drastically reduced, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained. | 11-20-2008 |
| 20080317502 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD USING LATENT IMAGES - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image for each of one or more basic colors in accordance with print data on a surface of the drum while making the polarities of the electrostatic latent images different, the electrostatic latent images are developed so as to generate developed images, the developed images are transferred onto a printing medium, and the transferred images are fixed to the printing medium. Accordingly, color printing can be rapidly completed even by using a number of drums less than the number of basic colors for use in representing colors to be printed, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained. | 12-25-2008 |
Cheol-Ho Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100005253 | MEMORY CONTROLLER, PCB, COMPUTER SYSTEM AND MEMORY ADJUSTING METHOD - A memory controller, a PCB and a computer system employing the memory controller, and a memory adjusting method using the memory controller. The memory controller interfaces data reading from and writing to a memory and includes: a characteristic estimating part estimating a characteristic of a memory output signal outputted from the memory for the data reading and writing; and a characteristic adjusting part controlling the memory so that the characteristic of the memory output signal is within a predetermined reference range if the characteristic of the memory output signal estimated by the characteristic estimating part is beyond the predetermined reference range. | 01-07-2010 |
| 20110231620 | MEMORY CONTROLLER, PCB, COMPUTER SYSTEM AND MEMORY ADJUSTING METHOD - A memory controller, a PCB and a computer system employing the memory controller, and a memory adjusting method using the memory controller. The memory controller interfaces data reading from and writing to a memory and includes: a characteristic estimating part estimating a characteristic of a memory output signal outputted from the memory for the data reading and writing; and a characteristic adjusting part controlling the memory so that the characteristic of the memory output signal is within a predetermined reference range if the characteristic of the memory output signal estimated by the characteristic estimating part is beyond the predetermined reference range. | 09-22-2011 |
Cheol-Ho Pan, Gangwon-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110033890 | METHOD FOR THE SECRETORY PRODUCTION OF HETEROLOGOUS PROTEIN IN ESCHERICHIA COLI - The present invention relates to a signal sequence peptide for the improvement of extracellular secretion efficiency of a heterologous protein in | 02-10-2011 |
Cheol-Ho Park, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110143174 | LITHIUM SECONDARY BATTERY AND METHOD OF CONTROLLING SHORT RESISTANCE THEREOF - Provided is a lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a polymer electrolyte composition having a polymer electrolyte, a non-aqueous organic solvent, and a lithium salt. The content of the polymer electrolyte is 9 to 20 wt %, based on the total weight of the polymer electrolyte composition. | 06-16-2011 |
Cheol-Ho Park, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090203230 | Mask for crystallizing a semiconductor layer and method of crystallizing a semiconductor layer using the same - A mask for crystallizing a semiconductor layer includes a plurality of first main-slit portions, a plurality of second main-slit portions, upper slit portion and lower slit portion. The first main-slit portions extend along an inclined direction with respect to a first direction. The second main-slit portions are spaced apart from the first main-slit portions. The upper slit portion is disposed on the first main-slit portions along a second direction to be parallel to the first main-slit portions, and extends partway over the second main-slit portions to be longer than the first main-slit portions. The lower slit portion is disposed under the second main-slit portions along the second direction to be parallel to the second main-slit portions, and extends partway under the first main-slit portions to be longer than the second main-slit portions. | 08-13-2009 |
Cheol-Ho Shin, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090154532 | APPARATUS AND METHOD FOR RECEIVING SIGNAL FOR EXTENT LIMITATION OF TIMING SYNCHRONIZATION IN MB-OFDM UWB SYSTEM - The present invention relates to an apparatus and a method for receiving signal for extent of timing synchronization in MB-OFDM UWB System. The invention divides the digital samples completed of sampling twice as much as minimum sampling clock required to restore the MB-OFDM received signal into ODD data path and EVEN data path, executes the packet detection and timing synchronization for each of divided path and selects the data of path with larger cross correlation value at the timing synchronization point to secure the stable receiving performance in system environment with severe frequency offset and prevent the FTT window shift within preamble section through adding minimum hardware and structural change without increasing the system clock. | 06-18-2009 |
| 20100124252 | APPARATUS AND METHOD FOR COMMUNICATION - A communication apparatus generates a digital detection signal including a plurality of time symbols by digital-converting a detection signal corresponding to a received signal, estimates an average power value of the detection signal by calculating average power of the digital detection signal based on the digital detection signal, and performs UWB communication through a predetermined first channel when a predetermined reference power value is greater than the average power value. | 05-20-2010 |
| 20110002416 | METHOD OF COMMUNICATING FOR SMART UTILITY NETWORK USING TV WHITE SPACE AND APPARATUS FOR THE SAME - There are disclosed a method of communicating for a smart utility network using a TV white space and an apparatus for the same. The method of communicating for a smart utility network using a TV white space according to the present invention includes: generating a time domain sequence repeated every predetermined number of samples; generating an OFDM symbol having a cyclic prefix length corresponding to an FFT size divided by a natural number of 2 or more and including samples of a number corresponding to the sum of the FFT size and the cyclic prefix length; and generating an SUN packet to be transmitted through a TV channel band selected in the TV white space by using the time domain sequence and the OFDM symbol. Accordingly, it is possible to satisfy all requirements required by the IEEE 802.15.4g SUN standardization group. | 01-06-2011 |
| 20120057618 | SYSTEM AND METHOD FOR DETECTING VICTIM SIGNAL IN MB-OFDM UWB COMMUNICATION SYSTEM - To detect a victim signal in an ultra wideband communication system, fast Fourier transform of a received signal including a plurality of time symbols is performed to generate a signal including a plurality of frequency symbols, it is determined whether a first signal is present in a first region of the signal, and if a first signal is present, the first signal is detected as a first victim signal. Next, an error signal is generated based on the signal including the plurality of frequency symbols, it is determined whether a second signal is present in a second region of the error signal, and if a second signal is present, the second signal is detected as a second victim signal. | 03-08-2012 |