Patents by Inventor Yong Ju

Yong Ju 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).

  • Patent number: 7821311
    Abstract: A DLL circuit includes a multiphase clock signal generating unit configured to produce a plurality of multiphase clock signals by delaying a reference clock signal for a unit delay time and to produce an enable signal that is enabled when one of the plurality of the multiphase clock signals synchronizes with the reference clock signal at a frequency, and a multiphase clock signal selecting unit configured to delay one of the plurality of the multiphase clock signals for a predetermined time in response to a first control signal, to compare a phase of a delayed multiphase clock signal with a phase of the reference clock signal, and to output one of the plurality of the multiphase clock signals as a delayed clock signal, wherein a phase of the delayed clock signal synchronizes with the phase of the reference clock signal when the enable signal is enabled.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: October 26, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Yong-Ju Kim, Sung-Woo Han, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang, Hae-Rang Choi, Ji-Wang Lee, Jae-Min Jang, Chang-Kun Park
  • Publication number: 20100266198
    Abstract: A method, apparatus, and medium of converting a two-dimensional (2D) image to a three-dimensional (3D) image based on visual attention are provided. A visual attention map including visual attention information, which is information about a significance of an object in a 2D image, may be generated. Parallax information including information about a left eye image and a right eye image of the 2D image may be generated based on the visual attention map. A 3D image may be generated using the parallax information.
    Type: Application
    Filed: October 8, 2009
    Publication date: October 21, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Won Kim, Yong Ju Jung, Aron Baik, Du Sik Park
  • Patent number: 7808841
    Abstract: A data output circuit for a semiconductor memory apparatus includes a driver control signal generating unit that has a plurality of control signal generating units, each of which generates a driver unit control signal in response to a test signal during a test, and generates the driver unit control signal according to whether or not a fuse is cut after the test is completed, a first driver that has a plurality of driver units, each of which is activated in response to the driver unit control signal to drive a first data signal as an input signal and to output the driven first data signal to an output node, a signal combining unit that generates a first driver control signal in response to the driver unit control signal and an enable signal, and a second driver that has a plurality of driver units, each of which is activated in response to the first driver control signal to drive a second data signal as an input signal and to output the driven second data signal to the output node, and the number of driver uni
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: October 5, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hae-Rang Choi, Kun-Woo Park, Yong-Ju Kim, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang, Ji-Wang Lee
  • Publication number: 20100246954
    Abstract: A method, apparatus, and medium of generating a visual attention map. A visual attention map to extract visual attention may be generated to convert a two-dimensional (2D) image into a three-dimensional (3D) image based on visual attention. The 2D image may be downscaled and at least one downscaled image may be generated. A feature map may be extracted from the 2D image and the at least one downscaled image, and the visual attention map may be generated.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 30, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Won KIM, Yong Ju Jung
  • Publication number: 20100250994
    Abstract: Disclosed is an output driver capable of solving problems that occur when outputting the same data successively by using a data pattern detecting circuit. The data pattern detecting circuit includes a first data storage unit configured to receive data of a first line and store the received data until a next data is inputted through the first line, a second data storage unit configured to receive data of a second line and store the received data until a next data is inputted through the second line, and a detection signal output unit configured to activate a pattern detection signal when data stored in the first data storage unit and data stored in the second data storage unit have the same logic level.
    Type: Application
    Filed: June 30, 2009
    Publication date: September 30, 2010
    Inventors: Chang-Kun Park, Yong-Ju Kim, Kyung-Whan Kim, Sung-Woo Han, Jae-Il Kim, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang, Hae-Rang Choi, Ji-Wang Lee, Jae-Min Jang
  • Patent number: 7800416
    Abstract: A data output circuit includes a pre-driving block configured to receive input data, generate a plurality of pull-up signals and pull-down signals, and change enable times of the pull-up signals and the pull-down signals in response to a plurality of control signals, and a main driving block configured to generate output data in response to the pull-up signals and the pull-down signals.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: September 21, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang, Chang Kun Park
  • Patent number: 7795936
    Abstract: A data center tracking circuit includes a clock tree, a sensing block, and a delay compensation block. The clock tree includes a plurality of clock buffers connected in series, buffers a clock, and outputs an output signal. The sensing block senses the phase change of the output signal on the basis of the clock, and outputs a sensing signal. The delay compensation block adjusts current to be supplied to the clock tree in response to the sensing signal, and adjusts the phase of the output signal.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: September 14, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Yong-Ju Kim, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang, Hae-Rang Choi, Ji-Wang Lee
  • Patent number: 7786783
    Abstract: A duty cycle correction circuit includes a signal generating unit including a first signal generating unit coupled to a power supply voltage terminal and configured to output a complementary output signal of an output signal in response to a clock signal, and a second signal generating unit coupled to the power supply voltage terminal and configured to output the output signal in response to a complementary clock signal of the clock signal; a variable resistor unit coupled between the first and second signal generating units configured to vary an amount of current flowing into the signal generating unit according to a duty correction control signal, the duty correction control signal having a voltage level determined based on a voltage level of the output signal; and a current source coupled between the variable resistor unit and a ground voltage terminal configured to supply current to the signal generating unit.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: August 31, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hee-Woong Song, Yong-Ju Kim, Sung-Woo Han, Jae-Min Jang, Hyung-Soo Kim, Ji-Wang Lee, Chang-Kun Park, Ic-Su Oh, Hae-Rang Choi, Tae-Jin Hwang
  • Publication number: 20100215044
    Abstract: The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic. To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet.
    Type: Application
    Filed: August 18, 2008
    Publication date: August 26, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Tae Jin Lee, Jae-Hyoun Yoo, Kyeongok Kang, Jin Woong Kim, Chieteuk Ahn
  • Patent number: 7783230
    Abstract: A transfer unit and an image forming apparatus having the same. The transfer unit includes a transfer unit body to accommodate a printing medium conveyor, which makes a printing medium receive an image while moving the printing medium, a body handle used to mount the transfer unit body in an image forming apparatus and to separate the transfer unit body from the image forming apparatus, and a locking and releasing unit to lock the transfer unit body to the image forming apparatus and to release a locking connection therebetween. The locking and releasing unit is disposed to carry out a releasing operation by grasping the body handle.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 24, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-yong Ju, Il-kwon Kang, Gyeong-sun Park
  • Patent number: 7755410
    Abstract: A semiconductor integrated circuit includes a voltage supplying unit that supplies a first regulated voltage and a second regulated voltage by using a first reference voltage and a second reference voltage, respectively, and a clock buffer unit that supplies an output clock clocking within a range of the first regulated voltage and the second regulated voltage.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: July 13, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Ic-Su Oh, Yong-Ju Kim, Sung-Woo Han, Hee-Woong Song, Hyung-Soo Kim, Tae-Jin Hwang, Hae-Rang Choi, Ji-Wang Lee, Jae-Min Jang, Chang-Kun Park
  • Publication number: 20100171882
    Abstract: Provided are a method of tuning a coding rate and applying an unequal error protection for an adaptive video transmission, and a video transmission/reception apparatus using the method. The video transmission apparatus may include: a coding rate tuner to predict, as a channel capacity of a subsequent channel interval, an estimated channel capacity value fed back from the video reception apparatus, and to tune video and channel coding rates within the predicted channel capacity; a video encoder to perform video encoding of video frames at the tuned video coding rate, and to generate a video packet; and a forward error correction (FEC) encoder to apply the unequal error protection based on a length of the video packet and a type of the video frames included in the video packet, and to perform channel encoding of the video packet at the tuned channel coding rate to generate a bitstream.
    Type: Application
    Filed: January 5, 2010
    Publication date: July 8, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju CHO, Jin Woo HONG, Han Kyu LEE
  • Publication number: 20100174548
    Abstract: Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.
    Type: Application
    Filed: October 1, 2007
    Publication date: July 8, 2010
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Tae-Jin Lee, Yong-Ju Lee, In-Seon Jang, Jae-Hyoun Yoo
  • Patent number: 7751745
    Abstract: A developing apparatus usable with an image forming apparatus includes a developer receptacle having a sidewall on which a shaft hole is formed, a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle and an end on which a connection hole is formed, and a driving member rotatably supported by the shaft hole of the developer receptacle and having a connecting shaft inserted into the connection hole of the rotation shaft.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: July 6, 2010
    Assignee: Samsung Electronics Co. Ltd
    Inventors: Joo-hwan Noh, Yong-ju Cheon
  • Publication number: 20100164567
    Abstract: An internal supply voltage generating circuit includes a clock comparator configured to compare a first clock signal having clock information corresponding to a level of a reference voltage with a second clock signal having clock information corresponding to a level of an internal supply voltage, a control signal generator configured to generate a driving control voltage having a voltage level corresponding to an output signal of the clock comparator; and a driver configured to drive a terminal of the internal supply voltage in response to the driving control voltage.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 1, 2010
    Inventors: Yong-Ju KIM, Sung-Woo Han, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-jin Hwang, Hae-Rang Choi, Ji-Wang Lee, Jae-Min Jang, Chang-Kun Park
  • Publication number: 20100164571
    Abstract: A phase mixer includes a phase mixing unit configured to mix a phase of a first input signal and a phase of a second input signal in response to a phase control signal and output a phase mixed signal whose phase is varied by one or more units of a unit phase value, and a phase value adjusting unit configured to control an operation of the phrase mixing unit so that the unit phase value is adjusted in response to a code signal coding at least one of a process, voltage, or temperature (PVT) variation.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 1, 2010
    Inventors: Jae-Min JANG, Yong-Ju Kim, Sung-Woo Han, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang, Hae-Rang Choi, Ji-Wang Lee, Chang-Kun Park
  • Publication number: 20100164568
    Abstract: A variable delay circuit includes at least a fixed delay unit, a first selection unit, and variable delay unit. The fixed delay unit receives an input signal and a first delay selection signal indicative of a first delay, and outputs a first delayed signal that is substantially the input signal delayed by the first delay. The first selection unit receives the input signal, the first delayed signal, and a second delay selection signal, and outputs either the input signal or the first delayed signal based on the second delay selection signal to the variable delay unit. The variable delay unit also receives a third delay selection signal indicative of a third delay, and outputs a output signal that is substantially the output signal of the selection unit delayed by a third delay. The first delay is 0 or X multiples of M delay units. The third delay is a delay selected from 0 to N delay units.
    Type: Application
    Filed: December 14, 2009
    Publication date: July 1, 2010
    Applicant: Hynix Semiconductor Inc.
    Inventors: Hae-Rang CHOI, Yong-Ju KIM, Sung-Woo HAN, Hee-Woong SONG, Ic-Su OH, Hyung-Soo KIM, Tae-Jin HWANG, Ji-Wang LEE, Jae-Min JANG, Chang-Kun PARK
  • Publication number: 20100155264
    Abstract: Provided are a gas storage structure and a gas storage apparatus including the gas storage structure. The gas storage structure includes a gas storage part including an opening thereon and an entrance control part disposed on the opening and including a gate.
    Type: Application
    Filed: May 8, 2009
    Publication date: June 24, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Han-Young YU, Byung-Hoon Kim, Soon-Young Oh, Yong-Ju Yun
  • Publication number: 20100161087
    Abstract: Disclosed are an apparatus and a method of providing contents. The apparatus of providing the contents may include a receiving unit to receive, from a contents provider, contents and information about a contents providing location, a local group setting unit to search for at least one cell based on the information about the contents providing location and to set the retrieved cell as a content providing location group of the contents, and a transmitting unit to transmit the contents to the set content providing location group. The object based audio contents may be consecutively replayed based on an identical audio preset.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 24, 2010
    Applicants: Electronics and Telecommunications Research Institute, Audizen Co., Ltd.
    Inventors: Yong Ju Lee, Tae Jin Lee, Jeong Il Seo, In Seon Jang, Dae Young Jang, Seung Kwon Beack, Jae Hyoun Yoo, Min Je Kim, Kyeong Ok Kang, Jin Woong Kim, Jin Woo Hong, Seung Chul Ham
  • Patent number: 7741888
    Abstract: A PLL circuit includes a phase detector that compares the phase of an input clock and the phase of a feedback clock and generates a pull-up control signal and a pull-down control signal. A loop filter pumps a voltage in response to the pull-up and pull-down control signals, filters the pumped voltage, and outputs a control voltage. A voltage controlled oscillator receives the control signal and oscillates an output clock. A clock divider divides the frequency of the output clock at a predetermined rate to generate the feedback clock. In the PLL circuit, the loop filter includes a compensator that compensates for a variation.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: June 22, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Yong-Ju Kim, Kun-Woo Park, Jong-Woon Kim, Hee-Woong Song, Ic-Su Oh, Hyung-Soo Kim, Tae-Jin Hwang