Chulmin
Chulmin Choi, Seoul KR
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20130322652 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL - A method and an apparatus process an audio signal. The method of processing an audio signal includes: separating the audio signal into a first harmonic signal and a first percussion signal; adjusting gains of the first harmonic signal and the first percussion signal to generate a second harmonic signal and a second percussion signal; and adding the second harmonic signal and the second percussion signal. The method can generally improve the apparatus for controlling a gain and adopt a reproducing volume level to a current environment by separating the audio signal into a harmonic signal and a percussion signal to adjust a gain. The audio signal can have a high output level without non-linear distortion. | 12-05-2013 |
20140086434 | METHOD AND APPARATUS FOR CUSTOMIZING AUDIO SIGNAL PROCESSING FOR A USER - A method and apparatus for customizing audio signal processing for a user by a mobile device is provided. The method includes identifying hearing characteristics of the user by testing hearing abilities of the user, by the mobile device, at a plurality of frequencies; adjusting a dynamic range of each of the plurality of frequencies based on the hearing characteristics; processing a decoded audio signal based on the adjusted dynamic range of each of the plurality of frequencies; and outputting the processed audio signal. | 03-27-2014 |
Chulmin Jeon, Daejeon KR
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20140080011 | MANUFACTURING METHOD FOR CATALYST ELECTRODE, CATALYST ELECTRODE MANUFACTURED BY MEANS OF METHOD, AND BATTERY COMPRISING SAME - The catalytic electrode of the present invention does not cause mass transfer resistance, unlike conventional catalytic electrodes coated with Nafion or the like, and thus can achieve significantly high electron transfer efficiency. Accordingly, the catalytic electrode can have high power density, and thus has excellent physical properties. | 03-20-2014 |
Chulmin Joo, Goyang-Si KR
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20150260645 | APPARATUS AND METHOD FOR MEASURING CONCENTRATION OF HEMOGLOBIN USING PHOTOTHERMAL EFFECT - The present invention relates to an apparatus for measuring concentration of hemoglobin in blood using a photothermal effect, the apparatus including: a reference light source unit for radiating a reference beam; a photothermal light source unit for radiating a photothermal beam from which the photothermal effect is generated; a cuvette unit for accommodating a collected blood sample thereinto and having first and second reflection layers; and a concentration operation unit for calculating the concentration of hemoglobin by using the phase changes of interference signals generated from the incidence of the reference beam radiated from the reference light source unit onto the first and second reflection layers of the cuvette unit as the photothermal beam radiated from the photothermal light source unit is incident onto the cuvette unit and absorbed by hemoglobin to generate the photothermal effect through the emission of heat. | 09-17-2015 |
20150281544 | CARDIOVASCULAR OCT IMAGE MAKING METHOD AND METHOD FOR DETECTING STENTS USING THEREOF - A cardiovascular OCT image making method which reduces artifacts includes the steps of: inputting a cardiovascular OCT image; converting coordinates of the inputted OCT image into two-dimensional polar coordinates (θ and r); generating a brightness control function of the A-line direction based on the blood wall relative to each θ value; forming a brightness image in the A-line direction based on the blood wall depending on the brightness control function; and forming an OCT image of which brightness is controlled by the brightness image by applying the brightness image formed on the inputted OCT image. | 10-01-2015 |
20150338267 | DYNAMIC OPTICAL HEAD AND IMAGING DEVICE USING FLEXIBLE NANO FILM OPTICAL STRUCTURE - The present invention relates to an optical head for revealing near field through beams irradiated from a light source of a far field optical system, the optical head including: a flexible substrate made of a soft material and adapted to allow the optical head to be brought into close contact with a measured object and attached thereto even if the measured object has a curved or flat surface; and a near-field revelation part located between the measured object and the flexible substrate in such a manner as to have one side brought into contact with the flexible substrate and the other side detachably attached to the measured object and adapted to reveal the near field through the beams irradiated from the light source. | 11-26-2015 |
Chulmin Jung, San Diego, CA US
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20140266398 | METHOD AND SEMICONDUCTOR APPARATUS FOR REDUCING POWER WHEN TRANSMITTING DATA BETWEEN DEVICES IN THE SEMICONDUCTOR APPARATUS - A semiconductor apparatus is provided herein for reducing power when transmitting data between a first device and a second device in the semiconductor apparatus. Additional circuitry is added to the semiconductor apparatus to create a communication system that decreases a number of state changes for each signal line of a data bus between the first device and the second device for all communications. The additional circuitry includes a decoder coupled to receive and convert a value from the first device for transmission over the data bus to an encoder that provides a recovered (i.e., re-encoded) version of the value to the second device. One or more multiplexers may also be included in the additional circuitry to support any number of devices. | 09-18-2014 |
20140269104 | Sense Amplifier Column Redundancy - A memory includes a redundant sense amplifier and a plurality of sense amplifier pairs. Each sense amplifier pair includes a first sense amplifier and a second sense amplifier. Each sense amplifier pair drives a common load line. The memory is configured to implement column redundancy using a single redundant sense amplifier without requiring local read lines for each sense amplifier. | 09-18-2014 |
20140269112 | APPARATUS AND METHOD FOR WRITING DATA TO MEMORY ARRAY CIRCUITS - A write driver for a memory circuit includes a control circuit configured to: operate a first push-pull driver to generate a first drive signal in a first voltage domain at a first node based on an input signal in a second domain and in response to a mode select signal being in a first mode, wherein the first drive signal is at a same logic level as the input signal; operate a second push-pull driver to generate a second drive signal in the first voltage domain at a second node based on the input signal and in response to the mode select signal being in the first mode, wherein the second drive signal is at a complement logic level with respect to the input signal; and operate the first and second push-pull drivers to float the first and second nodes in response to the mode select signal being in a second mode. | 09-18-2014 |
20140355365 | PULSE GENERATOR - Various circuits and methods of operating circuits are disclosed. A circuit may include a pulse generator and a latch having an output configured to trigger the pulse generator, wherein the latch is configured to be set by an input signal and reset by feedback from the pulse generator. A method may include resetting a latch using feedback from a pulse generator by setting a latch using an input signal, triggering a pulse generator using an output from the latch, and resetting the latch using feedback from the pulse generator. | 12-04-2014 |
20150029778 | MASK-PROGRAMMED READ ONLY MEMORY WITH ENHANCED SECURITY - A mask-programmed read-only memory (MROM) has a plurality of column line pairs, each having a bit line and a complement bit line. The MROM includes a plurality of memory cells corresponding to a plurality of intersections between the column line pairs and a plurality of word liens. Each memory cell includes a high Vt transistor and a low Vt transistor. | 01-29-2015 |
20150269978 | METHOD AND APPARATUS FOR LOW-LEVEL INPUT SENSE AMPLIFICATION - A sense amplifier is disclosed that includes an amplifier circuit configured to receive, at an input, an input signal including an input level, the amplifier circuit configured to provide an amplified output signal including a gain with respect to the input level; and a feedback circuit coupled to receive the amplified output signal from the amplifier circuit, the feedback circuit configured to provide, at the input of the amplifier circuit, an adjusted version of the amplified output signal including a modified output magnitude based on common mode feedback. | 09-24-2015 |
20150279451 | EDGE-TRIGGERED PULSE LATCH - A pulse latch is provided that latches a ground signal responsive to decoded signal carried on a decoded signal node. The pulse latch includes a reset logic circuit that controls a switch coupled between the decoded signal node and ground such that when the switch is turned on by the reset logic circuit, the decoded signal node is grounded. The reset of the decoded signal node by the reset logic circuit is responsive to a ground signal. The ground signal is generated so as to be responsive to a clock edge. Thus, the reset of the decoded signal node is also responsive to the clock edge. | 10-01-2015 |
20150294697 | HIGH SPEED DEGLITCH SENSE AMPLIFIER - A sense amplifier is provided that includes a skewed latch that latches a voltage difference developed responsive to a read operation on an accessed memory cell. The skewed latch includes a loaded logic gate that is cross-coupled with an unloaded logic gate. The loaded logic gate drives the unloaded logic gate and an output transistor whereas the unloaded logic gate drives only the loaded logic gate. | 10-15-2015 |
Chulmin Kim, Chungcheongnam-Do KR
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20130256186 | MAGAZINE FOR LOADING A LEAD FRAME - A strip member loading magazine, which may load strip members such as semiconductor integrated circuit lead frames, for example, may include a bottom plate, a plurality of first slot plates provided at opposite sides of the bottom plate, a top plate fixed to a top portion of the first slot plates to be parallel to the bottom plate, second slot plates disposed to face each other between the first slot plates and be able to be moved, and locking units fastening the second slot plates to at least the top or bottom plate, the second slot plates being fastened parallel to the first slot plates. | 10-03-2013 |
Chulmin Kim, Cheonan-Si KR
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20140238618 | DIE EJECTOR AND DIE SEPARATION METHOD - A die ejector includes a supporting unit configured to support a bottom surface of a film on which a die may be attached. The supporting unit may have a hole formed at a center thereof. The die ejector may further include a ring-shaped elevating unit in the hole and configured to move along a vertical direction, a driving unit connected to the elevating unit and configured to move the elevating unit along the vertical direction, and a pressure controlling unit connected to the hole and configured to control a pressure of the hole. | 08-28-2014 |
20150228612 | DIE BONDING APPARATUS - The die bonding apparatus including a transferring unit, a loading member loading a substrate to the transferring unit, an unloading member unloading the substrate from the transferring unit, a wafer holder supporting a wafer providing dies, and a bonding member picking up one of the dies from the wafer and bonding the picked-up die to the substrate loaded on the transferring unit by pressuring the picked-up die against the substrate using a gas may be provided. | 08-13-2015 |
Chulmin Lee, Daegu KR
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20150161099 | METHOD AND APPARATUS FOR PROVIDING INPUT METHOD EDITOR IN ELECTRONIC DEVICE - A method and a system that detects language information from objects in the electronic device and automatically sets a language for the Input Method Editor (IME) based on the detected language information are provided. The method includes executing an application, recognizing an object in the application, detecting language information related to a language from the object, setting a language for a text IME based on the detected language information, and displaying the text IME for input of the set language. There are various embodiments and modifications from the method and system. | 06-11-2015 |
Chulmin Lim, Seoul KR
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20150366020 | LIGHTING APPARATUS - A lighting apparatus according to an embodiment of the present invention includes: a main body from which light is emitted; and a stand supporting the main body. The main body includes: an inner body connected to an end of the stand; an outer body disposed to surround the inner body at a position that is spaced apart from an outer circumferential surface of the inner body; and a light emitting module disposed inside the outer body. The outer body is rotatable in a state where the outer body is connected to the inner body. | 12-17-2015 |
Chulmin Park, Siheung-Si KR
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20110317489 | Nonvolatile Memory Devices, Read Methods Thereof And Memory Systems Including The Nonvolatile Memory Devices - Reading methods of nonvolatile memory devices including a substrate and a plurality of memory cells which are stacked in a direction intersecting the substrate. The reading methods apply a bit line voltage to a plurality of bit lines and apply a first string selection line voltage to at least one selected string selection line. The reading methods apply a second string selection line voltage to at least one unselected string selection line and apply a read voltage to a plurality of word lines. The reading methods apply a first ground selection line voltage to at least one selected ground selection line and apply a second ground selection line voltage to at least one unselected ground selection line. | 12-29-2011 |
Chulmin Park, Yuseong-Gu Daejeon KR
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20080275058 | N-Substituted-1H-Quinoline-2,4-Diones, Preparation Method Thereof, And Pharmaceutical Composition Containing The Same - The present invention relates to compounds of N-substituted -1H-quinoline-2,4-diones acting as a 5HT6 receptor antagonist, a preparation method thereof, and a pharmaceutical composition containing the same for treatment of the central nervous system disorders. The compounds of N-substituted-1H-quinoline-2,4-diones according to the present invention have excellent binding affinity for the 5HT6 receptor and excellent selectivity for the 5HT6 receptor over other receptors. Also, the compounds reverse a disruption of PPI by methamphetamine and don't show rotatod deficit in mice. Thereof the compounds according to the present invention may be valuably used for treatment if a 5HT6 receptor relating disorder | 11-06-2008 |
Chulmin Son, Seoul KR
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20130318428 | IMAGE DISPLAY DEVICE AND MEMORY MANAGEMENT METHOD OF THE SAME - According to the present disclosure, there is disclosed an image display device and a memory management method thereof. According to an embodiment of the present disclosure, when a plurality of web pages are loaded and thus the memory space is insufficient, the loaded web pages may be implemented to be unloaded based on unloading priorities assigned by user preference, thereby minimizing data loss and securing insufficient memory space. Furthermore, when approaching an excess of memory capacity as a plurality of web pages are executed, it may be notified to the user in advance and the assigned unloading priorities may be provided to allow the user's selective unloading, thereby providing the user's convenience and enhancing the use efficiency of a web browser. | 11-28-2013 |