Tae-Hwa
Tae Hwa Choi, Seosan-Si KR
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20080256645 | Digital rights management method and digital rights management-enabled portable device - A DRM method and DRM-enabled portable device for controlling playback of DRM content on the basis of content usage log is disclosed. A digital rights management method for a portable device of the present invention includes playing a content item recording, when an abnormal playback stop event is detected, a stop time point in a playback session of the content item on a usage log and controlling a next playback of the content item with reference to the recorded stop time point. The DRM method and DRM-enabled portable device of the present invention further manages the licenses issued for the DRM content stored in the portable device by updating the licenses even when the DRM content are abnormally closed during its playback session. | 10-16-2008 |
20090043866 | License acquisition scheme indication method and mobile terminal therefor - A license acquisition scheme indication method and mobile terminal implemented with the license acquisition indication method is provided for informing a user of available license acquisition scheme in a current connectivity environment. A license acquisition scheme indication method of the present invention collects access information of at least one content server issuing licenses required for playing right protected files, attempts access to the at least one content server in one of a direct license acquisition scheme and an indirect license acquisition scheme on the basis of the access information, and displays identities of the individual right protected files with available license acquisition schemes determined as a result of the access attempts. | 02-12-2009 |
20090138403 | Right objects acquisition method and apparatus - A license acquisition method and apparatus for a DRM-enabled mobile terminal is provided for acquiring licenses for multiple right-protected content items in a batch processing manner. The rights objects acquisition method for a mobile terminal supporting digital rights management according to the present invention includes attempting download of at least one acquisition-requested rights object, classifying the at least one acquisition-requested rights object into download-succeeded rights objects and download-failed rights objects, and outputting information on the downloaded-succeeded rights objects and download-failed rights objects. | 05-28-2009 |
Tae Hwa Hwang, Kyungsangbuk-Do KR
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20110210662 | PLASMA DISPLAY APPARATUS - The present invention relates to a plasma display apparatus. The plasma display apparatus comprises an upper substrate, a first electrode and a second electrode formed on the upper substrate, a lower substrate disposed to face the upper substrate, and a third electrode and a barrier rib formed in the lower substrate. First and second black matrices are formed in the upper substrate and are separated from each other on a same straight line. According to the present invention, while maintaining the function of improving a contrast ratio and reflectance of a black matrix, a short and a spotted pattern that may occur when simultaneous exposure is performed can be reduced, and so the picture quality, the cost of production, and efficiency can be improved. | 09-01-2011 |
Tae Hwa Kim, Daejeon KR
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20150188819 | Method and Apparatus for Deciding Network Coding Method Based on Link Utilization - A method and apparatus for deciding a network coding method based on link utilization are disclosed herein. The method may include a step of setting up an output link utilization reference value of a network intermediate node, a step of calculating an average utilization of output links for each network intermediate node, a step of deciding a network coding method in accordance with the average utilization of the output link for each network intermediate node, a step of consistently updating the average utilization of the output link for each network intermediate node, and a step of changing the network coding method, when a value of the average utilization value is changed. | 07-02-2015 |
Tae Hwa Lee, Seoul KR
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20140372681 | APPARATUS AND METHOD FOR INDICATING FLASH MEMORY LIFE - The present invention relates to an apparatus and method for indicating flash memory life. While data is being stored in a flash memory, the number of writes in a plurality of blocks of the flash memory increases. The amount of flash memory life is calculated on the basis of the number of write times in the plurality of blocks. The calculated amount of life can be transmitted to a host. In addition, when the calculated amount of life is greater than a threshold value, a signal providing notice that the life of the flash memory has reached a dangerous level can be output. | 12-18-2014 |
Tae-Hwa Jeong, Hwaseong-Si KR
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20160033398 | SUBSTRATE TARGET FOR IN-SITU LITHOGRAPHY METROLOGY, METROLOGY METHOD FOR IN-SITU LITHOGRAPHY, AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT DEVICE BY USING IN-SITU METROLOGY - A substrate can include a feature pattern included in an integrated circuit on the substrate and an in-situ metrology pattern spaced apart from the feature pattern on the substrate, the in-situ metrology pattern and the feature pattern both configured to have equal heights relative to a surface of the substrate. | 02-04-2016 |
Tae-Hwa Jung, Seoul KR
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20100195275 | PORTABLE ELECTRONIC DEVICE HAVING INTERCEPTOR FOR FOREIGN SUBSTANCE - Disclosed is a portable electronic device having an interceptor for cutting off foreign substances such as water, dust or the like from being entered between the coupling surfaces thereof. The portable electronic device includes: a first case; a second case to be joined with the first case; and an intercepting part integrally formed with at least one of the first case or the second case, wherein the intercepting part is sealingly engaged with the coupling surface of the first case or the second case to prevent foreign substances and waterproof the device thereof. | 08-05-2010 |
Tae-Hwa Kim, Hwaseong-Si KR
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20150198944 | METHOD AND SYSTEM MANAGING EXECUTION OF PREVENTATIVE MAINTENANCE OPERATION IN SEMICONDUCTOR MANUFACTURING EQUIPMENT - Provided are a method and a system for managing semiconductor manufacturing equipment. The method may be performed using an equipment computer and may include ordering to perform a preventive maintenance to a chamber and parts in the chamber, monitoring a result of the preventive maintenance to the chamber and the parts, and performing a manufacturing process using plasma reaction in the chamber, if the result of the preventive maintenance is normal. The monitoring the result of the preventive maintenance may include a pre-screening method monitoring the result of the preventive maintenance using electric reflection coefficients obtained from the chamber and the parts without using the plasma reaction. | 07-16-2015 |
Tae-Hwa Kim, Gyeonggi-Do KR
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20160027652 | SUBSTRATE MANUFACTURING METHOD AND SUBSTRATE MANUFACTURING APPARATUS - Provided are a substrate manufacturing method and a substrate manufacturing apparatus used therefor. The substrate manufacturing method includes providing a substrate having a mask film into a chamber. A plasma reaction is induced in the chamber. A first gas and a second gas are alternately provided into the chamber to etch the substrate. Each of the first and second gases is provided into the chamber at a stabilized feed pressure including a pressure fluctuation profile comprising a square wave shape. | 01-28-2016 |
Tae-Hwa Lee, Gyeonggi-Do KR
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20130309849 | METHOD FOR FABRICATING NONVOLATILE MEMORY DEVICE - A method for fabricating a nonvolatile memory device includes forming a stacked structure having a plurality of interlayer dielectric layers and a plurality of sacrificial layers wherein interlayer dielectric layers and sacrificial layers are alternately stacked over a substrate, forming a first hole exposing a part of the substrate by selectively etching the stacked structure, forming a first insulation layer in the first hole, forming a second hole exposing the part of the substrate by selectively etching the first insulation layer, and forming a channel layer in the second hole. | 11-21-2013 |
Tae-Hwa Lee, Daejeon KR
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20130224416 | SILICONE ADHESIVE COMPOSITION FOR A WINDOW FILM HAVING EXCELLENT RELEASE PROPERTIES AND COMPATIBILITY, AND WINDOW FILM USING SAME - Provided are a silicone adhesive composition for a window film, and a window film using same, wherein the composition has excellent release properties for easy release from a window, and also has excellent compatibility with a UV absorbent. The silicone adhesive composition for a window film, according to the present invention, is characterized by comprising: a) 100 parts by weight of a combination of a silicone adhesive and a silicone release agent; b) 1 to 10 parts by weight of a crosslinking agent; c) 0.1 to 2 parts by weight of a platinum based catalyst; and d) 0.1 to 5 parts by weight of an anchoring agent, wherein the weight ratio of the silicone adhesive to the silicone release agent is in the range of 1:1 to 1:0.2. | 08-29-2013 |