Do Wan
Do Wan Kim, Gyeonggi-Do KR
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20100031281 | METHOD FOR REALIZING A PPV PURCHASE MECHANISM AND A SYSTEM FOR THE SAME - Disclosed is a method and a system for realizing a Pay Per View (PPV) purchasing mechanism. The system includes: a broadcasting center for setting system information including an available purchase time, an available purchase cancellation time, and a time point for transfer of PPV details regarding each PPV broadcast program, for broadcasting the PPV broadcast programs and the system information to a broadcasting network, and for performing charging of a price and a management of a viewing right through provided PPV details information on each PPV broadcast program; and a broadcast viewing terminal for booting a previously set PPV purchase application on the basis of the PPV broadcast programs and the system information, for receiving PPV broadcast programs and system information provided through a broadcasting network, for purchasing or canceling the purchase of a prescribed PPV broadcast program at the available purchase time or at the available purchase cancellation time on the basis of PPV details information previously stored in the broadcast viewing terminal, for forming PPV details information updated according to a result of processing a broadcast viewing right by discriminating if the PPV broadcast program is rebroadcasted, and for delivering the updated PPV details information to the broadcasting center via a mobile communication network or an internet. Hence, details information formed by purchase and purchase cancellation regarding the PPV broadcasting programs can be flexibly employed, and by discriminating if a PPV broadcast program received through a broadcast viewing terminal is rebroadcasted, setting a discriminative broadcast viewing right and handling the charging of price can be performed. | 02-04-2010 |
Do Wan Kim, Gyunggi-Do KR
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20140037862 | METHOD FOR MANUFACTURING PRINTED CIRCUIT BOARD - Disclosed herein is a method for manufacturing a printed circuit board for forming a solder resist of an outermost layer having a step structure by performing laser machining or exposing and developing processes. | 02-06-2014 |
Do Wan Kim, Dongnae-Gu KR
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20130140756 | Medium Storage Box, Medium Handling Apparatus and Financial Device - A medium storage box is provided. The medium storage box includes a first supporting plate for storing first medium, a second supporting plate spaced apart from the first supporting plate, for storing second medium, and a pickup roller, disposed between the first supporting plate and the second supporting plate, for selectively picking up one of the first medium and the second medium. | 06-06-2013 |
Do Wan Kim, Paju-Si KR
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20150187328 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - Discussed is an organic light emitting display device and a driving method thereof, which reduce a size of corrected image data by using a color compression scheme to decrease a capacity of a memory, and reduce a size of an integrated circuit (IC) to increase a manufacturing yield. The method can include loading a compensation coefficient stored in a memory, correcting image data by applying the compensation coefficient to a data voltage supplied to a pixel, compressing, in different compression schemes, corrected image data of a color having high visual perceivability and corrected image data of a color having low visual perceivability, and synthesizing corrected image data of red, green, and blue pixels, which are compressed by the different compression schemes, to store the synthesized image data in a memory. | 07-02-2015 |
Do Wan Kim, Seongnam-Si-Gyeonggi-Do KR
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20130333005 | CLOUD SERVICE SYSTEM BASED ON ENHANCED SECURITY FUNCTION AND METHOD FOR SUPPORTING THE SAME - The present invention relates to cloud service supporting technology. Particularly, a cloud service system based on an enhanced security function includes a terminal that includes a trusted platform therein and is configured to perform security authentication based on encrypted information provided by the trusted platform, to perform normal authentication based on preregistered ID and password information, and to use a cloud service according to the security authentication and the normal authentication, and a cloud service apparatus that is configured to provide the cloud service to the terminal after completing the security authentication and the normal authentication with the terminal that includes the trusted platform therein. The service apparatus, the terminal, and a method for supporting them are also disclosed. | 12-12-2013 |
Do Wan Kim, Seongnam-Si KR
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20140090041 | METHOD, APPARATUS AND SYSTEM FOR AUTHENTICATING OPEN IDENTIFICATION BASED ON TRUSTED PLATFORM - The disclosure relates to a method, an apparatus and a system for authenticating an open identification (ID) based on a trusted platform to prevent network overload which may occur due to data transmission repeated at every time of open ID authentication. An open ID authentication system includes a web service providing apparatus configured to provide a specific web service and to support a login of a user device in an open ID service procedure according to mutual arrangements with an open ID management apparatus, and the user device configured to have a separate environment formed of a non-security region operating based on an open operating system and a security region operating based on a security operating system. | 03-27-2014 |
20140245013 | METHOD FOR INTERWORKING WITH TRUSTZONE BETWEEN NORMAL DOMAIN AND SECURE DOMAIN, AND MANAGEMENT METHOD OF TRUSTED APPLICATION DOWNLOAD, MANAGEMENT SERVER, DEVICE AND SYSTEM USING IT - The present invention provides a trusted application download management, authentication, and execution method and system. A trusted application download management server according to the present invention includes a service loader, which accesses a device equipped with a trusted platform and establishes a data communication channel, and a service controller which controls the delegation of a download authority for a trusted application and allows the trusted application to be downloaded to the device when a trusted application download is requested by the device, thus totally managing the download of the trusted applications and allowing the trusted application to be securely downloaded. | 08-28-2014 |
Do-Wan Kim, Hwaseong-Si KR
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20090184910 | CIRCUIT BOARD AND DISPLAY DEVICE INCLUDING THE SAME - One or more embodiments of the present disclosure relate to a circuit board having a substrate and a plurality of differential signal lines formed on the substrate and transmitting differential signals. The differential signal lines include a first signal line and a second signal line. The first signal line and the second signal line extend along at least two paths that are parallel to each other. The paths of the first signal line and the second signal line switch at path change portions, and the path change portions of neighboring differential signal lines are positioned at different distances away from an edge of the circuit board along the length direction of the differential signal line. | 07-23-2009 |
20090284499 | CONTROLLER BOARD, DISPLAY DEVICE HAVING THE SAME AND METHOD OF CONTROLLING THE DISPLAY DEVICE - A controller board includes a memory and a timing controller. The memory stores previous frame image data. The timing controller outputs driving image data based on current frame image data supplied from an external device and the previous frame image data. The timing controller disperses a frequency band of the current frame image data within a reference frequency range to generate dispersed current frame image data and transmits the dispersed current frame image data to the memory. | 11-19-2009 |
Do-Wan Kim, Suwon-Si KR
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20080266213 | PLASMA DISPLAY DEVICE AND AUTOMATIC POWER CONTROL METHOD FOR GENERATING ADDRESS DATA OF PLASMA DISPLAY DEVICE - According to one embodiment, a plasma display device has a plurality of pixels for displaying images during frames using an input video signal, each of the frames being divided into a plurality of sub-fields, each of the sub-fields including a reset period, an address period, and a sustain discharge period, and the images having gray levels according to combined brightness weights of the sub-fields. The plasma display device includes an address power controller for reducing the gray level of a first pixel of the pixels by decreasing a sum of the brightness weights of the sub-fields, and for increasing the gray level of a second pixel of the pixels by increasing a sum of the brightness weights of the sub-fields, the second pixel being adjacent to the first pixel and the gray level of the second pixel being lower than the gray level of the first pixel. | 10-30-2008 |
20090001944 | Soft start circuit and power supply including soft start circuit - A soft start circuit is connected to a pulse width modulation controller including an oscillator, and a functionality of modulating amplitude to a pulse width and a power supply includes the soft start circuit. The soft start circuit includes a frequency controlling unit, a duty ratio establishing unit, and a variable switching unit. The frequency controlling unit generates first and second parameter signals for determining a frequency signal frequency by a power source from the PWM controller and provides them to the PWM controller. The duty ratio establishing unit generates a third parameter for determining amplitude of the frequency signal generated by the PWM controller according to a reference voltage, and provides it to the PWM controller. The variable switching unit determines whether it is a first predetermined time from a start-up state, and controls the first parameter of the frequency controller during the first predetermined time. | 01-01-2009 |
20140185939 | IMAGE TRANSFORMATION APPARATUS AND METHOD - An image transformation apparatus includes a detection unit which is configured to detect, from each of a user image and a reference image, feature points of a face and angle information of the face, a feature points adjusting unit which is configured to adjust the feature points of the user image or the reference image by using the detected angle information, a face analysis unit which is configured to compare facial features contained in the user image and the reference image by using the adjusted feature points, and an image transformation unit which is configured to transform the user image by using a result of the comparison of the facial features from the face analysis unit. | 07-03-2014 |
Do-Wan Lee, Seoul KR
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20150241542 | FUSION PHANTOM FOR TESTING PERFORMANCE OF MAGNETIC RESONANCE IMAGING AND MAGNETIC RESONANCE SPECTROSCOPY - The present invention is to enhance efficiency of performance test and quality control, which is designed and manufactured to simultaneously acquire the performance test using one fused phantom. It is a phantom capable of simultaneously conducting a performance test on magnetic resonance imaging and a performance test on magnetic resonance spectroscopy within a predetermined error range by grasping a degree of performance capability of a human MRI system from a comprehensive result of image conditions and image parameters, in which the test elements of an ACR-MRI phantom used as a standard MRI phantom in the prior art are relocated, and inner containers configured in layers are inserted. It is a fusion phantom capable of performing a quantitative test and analysis by changing a type and concentration of a cerebral metabolite when a variety of images and spectra are acquire. | 08-27-2015 |