Patents by Inventor Tae Choy

Tae Choy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140204839
    Abstract: Disclosed herein are a terminal device including: a state determining unit to determine a connection state of a voice call or a data call at a specific time prior to a transfer period of a keep-alive message designated to a specific application; and an application interworking unit to transfer the keep-alive message through the data call according to the determined connection state of the voice call or the data call to notify of a driving state of the specific application.
    Type: Application
    Filed: March 25, 2014
    Publication date: July 24, 2014
    Applicant: SK TELECOM CO., LTD.
    Inventors: Nam Gun KIM, Jin Tae CHOI, Chang Moon HAN, Seong Soo BAE
  • Patent number: 8761441
    Abstract: Disclosed is a method for automatically extracting centroids and features of a spherical object required to measure a flight speed, a flight direction, a rotation speed, and a rotation axis of the spherical object in a system for measuring flight information of the spherical object with a high-speed stereo camera. In order to automatically extract the centroids and the features of the spherical object, the present invention may automatically extract the centroid and the feature by detecting only the pixel of the foreground image including the spherical object generated by excluding the motionless background image from each camera image, sorting the interconnected pixels among the pixels of the detected foreground image into the independent pixel cluster, and then, using, in the extraction of the centroid and the feature, only one pixel cluster having a size similar to the actual spherical object.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: June 24, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jong Sung Kim, Seong Min Baek, Myung Gyu Kim, Il Kwon Jeong, Byoung Tae Choi
  • Publication number: 20140173498
    Abstract: Provided are a method and a mobile terminal for simultaneously displaying at least two application windows on a display unit of a mobile terminal. The method may include displaying a first application window associated with a first application on an entire display area of the display unit, receiving a multi_screen mode initiation input from a user, dividing a display area of the display unit into at least two display areas including a first display area and a second display area in response to the multi_screen mode initiation input, and displaying the first application window and a second application window on the at least two display areas, respectively, in a multi_screen mode.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: KT CORPORATION
    Inventors: Haeng-Suk CHAE, Kyoung-Tae CHOI
  • Publication number: 20140152705
    Abstract: A pixel array and an organic light emitting display device including the same, can display an image with uniform luminance by compensating for a variation in threshold voltage/mobility of a driving transistor for each pixel and compensating for a change in efficiency due to degradation of an organic light emitting diode. A first pixel among the pixel array includes an organic light emitting diode; a pixel circuit positioned among an anode electrode of the organic light emitting diode, a first scan line and a first data line through which a data signal is supplied to the first pixel, and controlling current flowing in the organic light emitting diode; and a switching element controlling the coupling between a second data line through which a data signal is supplied to a second pixel of the plurality of pixels and the anode electrode of the organic light emitting diode.
    Type: Application
    Filed: June 7, 2013
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Oh-Jo Kwon, Joo-Hyung Lee, Won-Tae Choi
  • Publication number: 20140101929
    Abstract: The present invention relates to a method for packaging a thin film battery. The method for packaging the thin film battery comprises: a first step of measuring a stacking depth of a package housing stacking space; a second step of correcting a stacking position of each unit battery in order to equalize the average depth formed by stacking each unit battery and the stacking depth of the package housing stacking space, and then sequentially stacking the unit batteries at the corrected stacking positions thereof in the stacking space; and a third step of thermosetting the unit batteries that have finished being stacked. The present invention also relates to an apparatus for a thin film battery package.
    Type: Application
    Filed: November 25, 2011
    Publication date: April 17, 2014
    Inventors: Yong Yeon Kim, Soo Tae Choi
  • Patent number: 8693777
    Abstract: There are provided an apparatus and a method for estimating edge areas of pixels in a digital image to thereby prevent an edge sharpening algorithm from being applied to non-edge area of the digital image. Therefore, the apparatus can accurately determine whether each pixel is in an edge area or in a non-edge area, by generating a binary mask obtained by using a luminance difference average between each pixel and each of neighboring pixels in the digital image. Moreover, the determination of an edge-area or a non-edge area may be applied to various digital images, by adjusting a level of edge-area determination.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: April 8, 2014
    Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy Cooperation
    Inventors: Joo Young Ha, Won Tae Choi, Byung Hyun Kim, Bong Soon Kang, Won Woo Jang, Kyung Rin Kim, Jung Joo Yang, Gi Dong Lee, Kang Joo Kim
  • Patent number: 8666151
    Abstract: An apparatus for enhancing the visibility of color images includes: a luminance value cumulative distribution calculator that calculates a cumulative distribution function of the number of pixels from a minimum value of luminance values; a baseband signal determining unit that determines baseband signal pixels having luminance values smaller than a threshold level; a luminance compensation value generator that generates luminance compensation values to apply the lower-level luminance compensation values as the pixels have higher-level luminance values, for the pixels having the luminance values larger than the threshold level; a luminance gain generator that determines a luminance gain applied to the luminance compensation values according to a mean luminance values of the input images and the level of the luminance values of the pixels to which the luminance compensation values are applied; and a luminance value enhancing unit that summing the luminance compensation values including the gain with the luminan
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: March 4, 2014
    Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy Cooperation
    Inventors: Joo Hyun Kim, Won Tae Choi, Bong Soon Kang, Sung Mok Lee, Won Woo Jang, Hak Yong Han
  • Publication number: 20140038220
    Abstract: Disclosed is a method for screening a substance inhibiting inflammatory skin aging, comprising: treating an immune cell with an inflammatory stimulant; treating a skin cell with a candidate substance; treating the skin cell treated with the candidate substance, with the immune cell treated with the inflammatory stimulant; and measuring the concentration of matrix metalloproteinase-1 (MMP-1) in the skin cell treated with the immune cell.
    Type: Application
    Filed: April 13, 2012
    Publication date: February 6, 2014
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Ji Seong Kim, Jin Young Lee, Jun Seong Park, Hyang Tae Choi, Han Byul Kim, Ji Hyun Bae
  • Publication number: 20140022149
    Abstract: There are disclosed a DC-DC converter and an organic light emitting display including the same. The DC-DC converter includes a first voltage generator that has an inductor and a plurality of transistors, and converts an input voltage into a first voltage and outputs the first voltage to a first output terminal. The DC-DC converter also includes a controller that controls driving of the first voltage generator by supplying a first driving pulse to each transistor of the first voltage generator. In the DC-DC converter, the amplitude of the first driving pulse is adjustable. Accordingly, it is possible to provide a DC-DC converter and an organic light emitting display including the same, which can achieve high power conversion efficiency by change a driving pulse used in a DC-DC converter.
    Type: Application
    Filed: September 27, 2012
    Publication date: January 23, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Oh-Jo Kwon, Hak-Sun Kim, Joo-Hyung Lee, Won-Tae Choi, Bo-Yeon Kim
  • Publication number: 20140012596
    Abstract: The present invention relates to a portable device for storing personal health records and a method for controlling the same, and more particularly, to a portable device for storing personal health records and a method for controlling the same in which user authentication is performed in order to personally manage health records and utilization of data is selected according to a result of the user authentication.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 9, 2014
    Applicant: MDWARE CO., LTD
    Inventors: Yoon Nyun Kim, Hyo Chan Jeon, Kyu Tae Choi
  • Patent number: 8621797
    Abstract: A steel structure including pre-stressing brackets for improving load-carrying capacity and serviceability comprises: a steel girder; a plurality of connecting brackets connected to the bottom surface of the steel girder spaced and apart from one; and a cover plate connected to the bottom surfaces of the connecting brackets. Since the cover plate is installed regardless of the connecting portion of the steel girder, pre-stressing section can be consecutively formed therefore pre-stress effect is improved. Moreover, since the connecting brackets space the cover plate a constant distance from the steel girder, the moment of inertia is increased so the span of a bridge might be increased.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: January 7, 2014
    Assignees: Yooho Development & Construction Co. Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Sang Hyo Kim, Jin Hee Ahn, Jung Ho Yoo, Seung Soo Han, Chang Keon Cho, Kyu Tae Choi
  • Publication number: 20140001924
    Abstract: Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures.
    Type: Application
    Filed: September 4, 2013
    Publication date: January 2, 2014
    Applicants: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Tae CHOI, Young-kwan LEE, Ja-Choon KOO, Jong-oh KWON, Su-jin PARK
  • Publication number: 20130342519
    Abstract: An organic light emitting device is provided. The organic light emitting device includes an organic light emitting panel, a drive unit receiving image data and image luminance discrimination signal that includes information on a maximum luminance of the image and providing a data voltage corresponding to the image luminance discrimination signal to the organic light emitting panel, and a power supply unit providing a common voltage to the organic light emitting panel. The common voltage is varied to correspond to the image luminance discrimination signal.
    Type: Application
    Filed: November 5, 2012
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo-Yeon Kim, Oh-Jo Kwon, Won-Tae Choi
  • Patent number: 8614750
    Abstract: An apparatus for auto white balance includes a histogram generation unit writing respective histograms of Cb values and Cr values with regard to pixels included in an input image frame, a single-tone determination unit comparing respective maximum values of the histograms of Cb values and Cr values with a first threshold value, and determining the input image frame as a single-tone image if at least one of the maximum values is higher than the first threshold value, and an auto white balance gain computation unit computing and an auto white balance gain by using color information of an input image frame and outputting the computed auto white balance gain, wherein if the input image frame is determined to be a single-tone image, the auto white balance gain computation unit outputs an auto white balance gain computed with respect to a previous input image frame.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: December 24, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joo Hyun Kim, Bong Soon Kang, Sung Mok Lee, Won Woo Jang, Kyung Rin Kim, Won Tae Choi, Joo Young Ha
  • Patent number: 8606034
    Abstract: There is provided an apparatus for improving the sharpness of an image, which may prevent occurrence of distortion of an image in an edge enhancement process of the image by applying an active weight in accordance with a two-dimensional (2D) high pass filtering value of the image. The apparatus may include: a 2D high pass filter outputting a high frequency element value for the luminance values of pixels of an input image; a weight generating unit generating a weight changed depending on a magnitude of the high frequency element value; a weight applying unit applying the weight to the high frequency element value; and an edge enhancement image generating unit adding, to the luminance values of the pixels of the input image, the high frequency element value to which the weight is applied to thereby output an image of which an edge is enhanced.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: December 10, 2013
    Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy Cooperation
    Inventors: Joo Young Ha, Won Tae Choi, Bong Soon Kang, Byung Hyun Kim, Joo Hyun Kim, Sun Mi Sin, Won Woo Jang, Hak Yong Han, Gi Dong Lee
  • Patent number: 8605773
    Abstract: A data communication apparatus using a radio frequency and a data processing method thereof are provided. A first communication apparatus frequency shift keying and phase shift keying modulates and transmits data from a service server to a radio frequency band. A second communication apparatus modulates, demodulates, and outputs the data. The data communication apparatus using a radio frequency, includes: a data modulation module frequency shift keying and phase shift keying modulates data to a radio frequency band to generate a modulated data signal; and a data transmission module transmitting the modulated data to another communication apparatus.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: December 10, 2013
    Assignee: Hyundai Motor Company
    Inventors: Yu Tae Choi, Young Seak Kim
  • Patent number: 8599490
    Abstract: A variable-focus liquid lens is provided. The liquid lens includes a membrane and a fluid. The membrane is made of a transparent elastomer, and the fluid fills a predetermined space to contact at least a lens surface of the membrane. The membrane and the fluid are respectively made of materials repulsive to each other, for example, hydrophilic and hydrophobic materials or oleophilic and oleophobic materials. Accordingly, a repulsive force between the fluid and the membrane can prevent the absorption or leaking of the fluid into/through the membrane.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: December 3, 2013
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jeong-yub Lee, Cheol-min Park, Seung-tae Choi, Seung-wan Lee, Jong-oh Kwon, Hee-joon Jung
  • Patent number: 8592231
    Abstract: An LED package includes a substrate having an electrically conductive portion and an electrically non-conductive portion composed of an oxide of the conductive portion; an LED mounted on the conductive portion and electrically connected to the conductive portion; a first electrode disposed on the non-conductive portion and electrically connected to the LED by a wire; and a second electrode disposed on the substrate and electrically connected to the LED.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: November 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • Patent number: 8576221
    Abstract: Provided are an apparatus and a method for generating mesh models of feathers. The apparatus for generating the mesh models of the feathers includes a geometrical model analyzing unit that analyzes groups of barbs included in a geometrical curve model of the feather; a calculating unit that calculates the number of grids for each of the groups of barbs by applying curve lengths of the barbs and an average length of the curve lengths included in each of the groups of barbs; and a mesh model generating unit that constructs the geometrical curve models as polygonal mesh models based on the number of grids. According to the present invention, it extracts curved points by using characteristics of a model of a feather and constructs polygonal meshes by using the extracted curved points, thereby making it possible to physically and realistically express the forced physical variation of the polygonal meshes.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: November 5, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Choong-Gyoo Lim, Byoung-Tae Choi
  • Patent number: 8577308
    Abstract: Disclosed are a beamformer and a beamforming method. The beamformer includes a plurality of dividers, each of which divides an input signal along a plurality of paths, an input switch which selects one of the dividers such that the input signal is input to the selected divider, a phase shifter which shifts phases of respective output signals from the divider, and an output switch which transmits the output signals from the phase shifter to an antenna.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: November 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Tae Choi, Jung-Han Choi, Young-Hwan Kim, Dong-Hyun Lee, Hong-Yi Kim, Ki-Chan Eun, Chul-Soon Park