Patents by Inventor Tae Choi

Tae Choi 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).

  • Apparatus and method for measuring location and distance of object by using camera
    Publication number: 20110025845
    Abstract: The present invention provides an apparatus for measuring a location and a distance of an object by using a camera including: a camera module for photographing an external image; a parameter setup unit for setting internal and external parameters of the camera module; an image processor unit for receiving a captured image of an image photographed from the camera module, extracting a target object within the captured image, and extracting specific point coordinates of the extracted target object; and a location and distance calculating unit for calculating three-dimensional object location information in a two-dimensional camera coordinate system through the internal and external parameters of the camera module and coordinates of the target object, and calculating distance information from the location information of the object.
    Type: Application
    Filed: October 6, 2009
    Publication date: February 3, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Bum Han, Won Tae Choi, Young Jin Cho
  • Overlay electromagnetic bandgap (EBG) structure and method of manufacturing the same
    Patent number: 7880567
    Abstract: Provided is an electromagnetic bandgap (EBG) structure, and particularly, an overlay EBG structure in which a plurality of vias and a plurality of plates are formed at intervals on a central signal line in such a manner that the vias and plates extend vertically from a substrate in order to reduce leakage loss of an electromagnetic wave through the substrate. Therefore, it is possible to prevent an electromagnetic wave passing through a transmission line from being lost through the substrate, to obtain desired frequency characteristics by adjusting the dimensions of the vias and plates, and to manufacture the overlay EBG structure using an existing CMOS process without having to perform any additional process.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: February 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-gyu Hwang, Sung-tae Choi, Jung-han Choi, Young-hwan Kim, Dong-hyun Lee
  • Hybrid sensor module and sensing method using the same
    Patent number: 7870678
    Abstract: Provided is a hybrid sensor module including first and second sensors that are attached on one surface of a printed circuit board (PCB) so as to detect two-axis signal components parallel to the PCB; a third sensor that is attached on one surface of the PCB such that the axial direction of the third sensor is tilted at a predetermined angle from a vertical direction of the PCB, the third sensor detecting a signal component sensed in the axial direction; and a signal correction unit that is connected to the first to third sensor and corrects signal components, detected from the respective sensors, into signal components of an orthogonal coordinate system.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: January 18, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Oh Jo Kwon, Won Tae Choi, Kyoung Soo Kwon
  • APPARATUS FOR REMOVING IMAGE NOISE AND METHOD THEREOF
    Publication number: 20110007973
    Abstract: The present invention relates to an apparatus for removing image noise and a method thereof. There is provided with an apparatus for removing image noise including a buffer register that divides image signals in an n*n area obtained from an image sensor into brightness components and chroma components to store them as pixel values; an image analyzing unit that classifies the n*n area stored in the buffer register into a contour area, a texture area, and a planarization area; and a noise reduction unit that designs noise removal filters according to the features of the classified areas to reduce image noise.
    Type: Application
    Filed: October 7, 2009
    Publication date: January 13, 2011
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Hyeon KWON, Won Tae CHOI
  • LED PACKAGE STRUCTURE AND MANUFACTURING METHOD, AND LED ARRAY MODULE
    Publication number: 20110003412
    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: Application
    Filed: September 16, 2010
    Publication date: January 6, 2011
    Applicant: SAMSUNG LED Co., Ltd.
    Inventors: Su-ho SHIN, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • Switched beam-forming apparatus and method using multi-beam combining scheme
    Patent number: 7859460
    Abstract: Provided is a switched beam-forming apparatus which includes a beam-forming unit forming a plurality of beams using an array antenna, a beam selection adjusting unit measuring Quality of Service (QoS) values of each of a plurality of signals received through the plurality of beams, a beam selecting unit selecting at least two beams with high QoS from among the plurality of beams according to the results of the QoS measuring, and a beam combining unit combining the at least two beams selected by the beam selecting unit.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: December 28, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-gyu Hwang, Sung-tae Choi, Young-hwan Kim, Jung-han Choi, Dong-hyun Lee, Jae-hyon Kim, Hyun-cheol Park, Yu-sung Lee, Han-kil Lee
  • LED package structure and manufacturing method, and LED array module
    Patent number: 7821027
    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: April 21, 2006
    Date of Patent: October 26, 2010
    Assignee: Samsung LED Co., Ltd.
    Inventors: Su-ho Shin, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • METHOD FOR TRANSMITTING DATA OVER VOICE CHANNEL
    Publication number: 20100266001
    Abstract: The present invention features a digital data communications system for transmitting a voice or digital data between a terminal mounted in a vehicle and an external server, including a MDOV modem configured to modulate the digital data to include frequency characteristics of vowel and consonant of the voice; and a transceive module configured to transceive the modulated signal through a voice channel.
    Type: Application
    Filed: November 24, 2009
    Publication date: October 21, 2010
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Yu Tae Choi, Young Seok Kim
  • Method and apparatus for processing an image exposed to backlight
    Patent number: 7817190
    Abstract: An imaging processing device and method where, when areas having a luminance difference set by a user, for example, 45 dB or more, are preset in an image captured by a camera, an area, the luminance level of which exceeds a predetermined threshold level, may be displayed as a gray level or a black level, with the luminance thereof decreased by a certain luminance level, or may be displayed while a mask, having a gray or black level, and the area, the luminance level of which exceeds the predetermined threshold level, overlap each other. Therefore, glare caused by a high luminance subject can be decreased, or other subjects present in a backlit image can be easily recognized.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: October 19, 2010
    Assignee: LG Electronics Inc.
    Inventors: Sung Ha Seo, Kyun Ho Kang, Jong Tae Choi, Byung Jin Park
  • Active pixel array of CMOS image sensor
    Patent number: 7817198
    Abstract: The present invention relates to an active pixel array of a CMOS image sensor. The active pixel array includes a pixel sensor array in which a pixel sensor which detects first and second light signals, of which the wavelengths are different from each other, among all wavelengths of light signals so as to generate current and voltage signals and a pixel sensor which detects a third light signal with a predetermined wavelength so as to generate a current or voltage signal are alternately arranged; and a color filter array that is formed on the pixel sensor array and in which a filter which transmits all wavelengths of light signals and a filter which transmits the third signal with a predetermined wavelength are alternately arranged.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: October 19, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Shin Jae Kang, Won Tae Choi, Joo Yul Ko, Deuk Hee Park
  • WAVEGUIDE OF MULTI-LAYER METAL STRUCTURE AND MANUFACTURING METHOD THEREOF
    Publication number: 20100244997
    Abstract: A waveguide of a multi-layer metal structure and a manufacturing method thereof are provided, the method including applying a plurality of metal layers on a substrate and a plurality of insulating layers respectively between the respective metal layers. Accordingly, it is possible to minimize conductive loss by dispersing current uniformly through wide regions between a signal line and ground lines.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 30, 2010
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION
    Inventors: Dong-hyun Lee, Young-hwan Kim, Sung-tae Choi, Jung-han Choi, Cheol-gyu Hwang, Young-woo Kwon, Woo-yeol Choi
  • METHOD AND APPARATUS FOR PROCESSING DIGITAL IMAGE
    Publication number: 20100245610
    Abstract: A digital image photographing method includes: recognizing a subject by analyzing an image photographed by a digital image photographing apparatus; separating the recognized subject from a background in the image; and displaying a recommending lead line of a rule of thirds on a display of the digital image photographing apparatus to help position the recognized subject on an intersection point of transversal and vertical trisectional lines. Further, the digital image photographing method includes recommending a composition, a pose and a motion which are matched to the recognized subject and the background with reference to pre-recorded information about the composition, the pose and the motion.
    Type: Application
    Filed: March 31, 2009
    Publication date: September 30, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyunsang AHN, Sang Won GHYME, Won Seok CHAE, Byoung Tae CHOI
  • Multilayered coplanar waveguide filter unit and method of manufacturing the same
    Patent number: 7795996
    Abstract: A multilayered coplanar waveguide (CPW) filter unit and a method of manufacturing the same are provided. A plate having a capacitance element is formed on or below a CPW layer including a signal line for transmitting a signal and a ground plane. As the filter unit has a multilayered structure, characteristic impedance may be reduced without increasing the width of the signal line. Where an inductor line is inserted between the signal line and the plate, a clear frequency response curve may be obtained without performing an additional process or increasing the area of the filter unit.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: September 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-tae Choi, Jung-han Choi, Cheol-gyu Hwang, Young-hwan Kim, Dong-hyun Lee
  • Light emitting device package having a transparent cover
    Patent number: 7781788
    Abstract: A light emitting device package including a transparent cover having an electrode pattern formed on a bottom surface thereof; a light emitting device installed below the transparent cover and electrically connected to an external circuit via the electrode pattern; a fixing resin which fixes the light emitting device onto the bottom surface of the transparent cover; and a metal slug provided under the fixing resin to dissipate heat away from the light emitting device.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: August 24, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Arthur Darbinian, Seung Tae Choi, Ki Hwan Kwon, Chang Youl Moon, Kyu Ho Shin
  • POLYMER AND POLYMER ACTUATOR COMPRISING THE SAME
    Publication number: 20100201227
    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: February 12, 2010
    Publication date: August 12, 2010
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Seung-tae CHOI, Young-kwan LEE, Ja-Choon KOO, Jong-oh KWON, Su-jin PARK
  • Mobile terminal and method of reducing interfering phase-noise in the mobile terminal
    Patent number: 7773966
    Abstract: A mobile terminal capable of breaking a phase-noise signal caused by a high power transmission signal of a mobile phone such as GSM when receiving digital TV broadcasting such as DVB-H and a method of reducing interfering phase-noise in the mobile terminal. The mobile terminal includes a first RF transmitter/receiver; a first signal coupler; a phase-noise filter; a phase shifter; a VGA amplifier; and a signal combiner.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: August 10, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Wook So, Hak Sun Kim, Won Tae Choi, Young Kyu Park, Joo Yul Ko
  • Apparatus and method for auto white balance control considering the effect of single tone image
    Publication number: 20100194991
    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: Application
    Filed: October 19, 2009
    Publication date: August 5, 2010
    Applicant: 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
  • LANDMARK FOR POSITION DETERMINATION OF MOBILE ROBOT AND APPARATUS AND METHOD USING IT
    Publication number: 20100188510
    Abstract: There are provided a landmark for recognizing a position of a mobile robot moving in an indoor space and an apparatus and method for recognizing the position of the mobile robot by using the landmark. The landmark includes a position recognition part formed of a mark in any position and at least two marks on an X axis and Y axis centered on the mark and further includes an area recognition part formed of a combination of a plurality of marks to distinguish an individual landmark from others. The apparatus may obtain an image of the landmark by an infrared camera, detect the marks forming the landmark, and detect precise position and area information of the mobile robot from the marks.
    Type: Application
    Filed: March 13, 2007
    Publication date: July 29, 2010
    Inventors: Ki-Sung Yoo, Chin-Tae Choi, Hee-Don Jeong
  • VARIFOCAL LENS
    Publication number: 20100165475
    Abstract: Varifocal lens for camera module incorporated in wireless mobile communication device is provided. The varifocal lens includes: a membrane; a frame which is fixed to the membrane and has a receiving hole formed in the middle; a transparent substrate which is fixed to the frame to seal optical fluid received in the receiving hole; one or more actuators to change a curvature of a fluid lens part by bending the circumference of the fluid lens part formed around a central portion of the receiving hole; and a restriction lessening member which is adapted to lessen a restrictive force of an edge of the fluid lens part, is made of a transparent material, has with an area smaller than the fluid lens part to correspond to an inner side of the fluid lens part except the edge of the fluid lens part, and has a larger Young's modulus than the membrane.
    Type: Application
    Filed: August 17, 2009
    Publication date: July 1, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jeong-yub Lee, Seung-wan Lee, Woon-bae Kim, Seung-tae Choi
  • METHOD AND APPARATUS FOR GENERATING GRAPHIC HAIR MOTION
    Publication number: 20100156902
    Abstract: The present invention provides a graphic motion generating method and apparatus for modeling hair into elastic curves that are inextensible while twisting and curling of hair can be expressed, for applying an adaptive different subdividing method to subdivide a single strand of hair into several segments such that detailed bending and curling of the strands of hair can be expressed in the vicinities of roots and ends of the strands of hair, for modeling the respective segments of respective strands of hair into low degree-of-freedom elastic curves with degrees of freedom less than two such that geometric and dynamic physical quantities can be calculated in a short time, and for automatically generating a curvature vector of the elastic curve model from an initial hair curve by using a minimizing technique.
    Type: Application
    Filed: June 24, 2009
    Publication date: June 24, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Myunggyu Kim, Il-Kwon Jeong, Byoung Tae Choi