Patents by Inventor Yong Ahn

Yong Ahn 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: 9355720
    Abstract: A write driver is configured to determine a magnitude and an application time of a pre-emphasis current pulse in response to control codes generated according to parasitic components on a path from a write driver to a program target cell and a resistance value of the program target cell, and supply a preset program current to a memory circuit block by adding a pre-emphasis current to the preset program current in a program mode.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: May 31, 2016
    Assignee: SK HYNIX INC.
    Inventors: Chang Yong Ahn, Yoon Jae Shin, In Soo Lee, Jun Ho Cheon
  • Publication number: 20160138204
    Abstract: The present invention relates to an aid for making it easier to knit by hand, and more particularly to an aid for knitting a band accessory by hand. The hand knitting aid includes: a main body which is formed in the form of a plate; a fixing portion which is formed on one upper portion of the main body and fixes one end of yarn for a band accessory; a holder which is formed on one lower side portion of the main body and spaced from the fixing portion and aligns and fixes the other end of the yarn for a band accessory in accordance with a pattern of the band accessory; and an elastic pressing portion which elastically presses the holder and provides a constant tension to the yarn for a band accessory.
    Type: Application
    Filed: June 24, 2014
    Publication date: May 19, 2016
    Inventor: Boem Yong AHN
  • Publication number: 20160137827
    Abstract: Disclosed are a chloroethylene-based nanocomposite composition and a method of preparing the same. More particularly, disclosed are a chloroethylene-based nanocomposite composition comprising a chloroethylene-based resin; a nanoclay comprising a coupling agent bonded thereto; and at least one polymer selected from unsaturated organic acid-based resins or polycarboxylic acid-based resins, and a method of preparing the same. According to the present disclosure, a uniformly dispersed water dispersion suspension may be provided by enhancing water dispersion effects of the nanoclay, and superior tensile strength may be exhibited by using the uniformly dispersed water dispersion suspension in chloroethylene-based suspension polymerization, and a chloroethylene nanocomposite having superior transparency may be provided.
    Type: Application
    Filed: April 10, 2015
    Publication date: May 19, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Seong Yong AHN, Kun Ji KIM, Se Woong LEE, Kyung Hyun KIM
  • Patent number: 9315596
    Abstract: The present invention provides a method of preparing vinyl chloride polymer having excellent processability and high bulk density by the separate stepwise additions of vinyl chloride monomer during suspension polymerization.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: April 19, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Seong-Yong Ahn, Kyung-Hyun Kim, Young-Suk Kim, Jong-Hun Cho, Chang-Ryang Jang
  • Publication number: 20160105192
    Abstract: A digital to analog converter includes a reference voltage generation unit that generates a reference voltage, and a plurality of unit conversion units. A number of unit conversion units to be activated are decided in response to digital codes. An activated unit conversion unit drives a control node to a voltage level corresponding to a voltage level of the reference voltage, and a deactivated unit conversion unit substantially maintains the control node to a voltage level greater than a voltage level of a ground voltage.
    Type: Application
    Filed: January 19, 2015
    Publication date: April 14, 2016
    Inventors: Chang Yong AHN, Jun Ho CHEON
  • Patent number: 9313900
    Abstract: Disclosed is a method for manufacturing a double-sided printed circuit board (PCB) having a circuit pattern by printing a conductive paste. According to the method of the present invention, a circuit pattern that is precise and highly conductive can be formed, and a reduction in raw materials and the simplification of processes are made possible. Also, due to the printing of the conductive paste, short-circuit can be prevented even when a conductive layer is bent or exposed to heat or physical impact.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: April 12, 2016
    Assignees: Inktec Co., Ltd., Haeun Chemtec Co., Ltd.
    Inventors: Kwang Choon Chung, Young-Koo Han, Myung-Bong Yoo, Nam-Boo Cho, Young-Ho Han, Kyong-Min Lee, Kwang-Baek Yoon, Hee-Yong Ahn, Su-Han Kim
  • Publication number: 20160065215
    Abstract: A system on chip includes a plurality of function blocks configured to perform predetermined functions, respectively, a clock control unit configured to generate a plurality of operating clock signals that are provided to the plurality of function blocks, respectively, a clock monitor configured to monitor frequencies of the operating clock signals to generate an interrupt signal, and a processor configured to control the frequencies of the operating clock signals based on the interrupt signal. The clock monitor includes a selector configured to select one of the operating clock signals to provide a selected clock signal, a frequency detector configured to detect a frequency of the selected clock signal to provide a detection frequency, and an interrupt generator configured to generate the interrupt signal based on the detection frequency, where the interrupt signal indicates a frequency abnormality of the operating clock signal corresponding to the selected clock signal.
    Type: Application
    Filed: April 22, 2015
    Publication date: March 3, 2016
    Inventors: DONG-SUK SHIN, JI-YONG AHN, JANG-HYEON LEE
  • Publication number: 20160064051
    Abstract: A semiconductor memory apparatus may include a write driver, a data sensing section, and a programming control section. The write driver may write an input data into a memory cell in response to a write signal. The data sensing section may generate a comparison flag signal by comparing an output data outputted from the memory cell with a reference voltage in response to a verification read signal. The programming control section may generate the write signal for an initial write operation and the verification read signal in response to a write command, and generate the write signal for a following write operation as soon as the comparison flag signal is at a predetermined level.
    Type: Application
    Filed: December 8, 2014
    Publication date: March 3, 2016
    Inventors: Chang Yong AHN, Ho Seok EM
  • Patent number: 9273388
    Abstract: Provided is a hard film for a cutting tool formed on a surface of a base material, the hard film being comprised of a nano multi-layered structure comprising a thin layer A, a thin layer B, a thin layer C and a thin layer D or a structure in which the nano multi-layered structure is repeatedly stacked at least twice, wherein the thin layer A is comprised of Ti1-xAlxN (0.5?x?0.7); the thin layer B is comprised of Al1-y-zTiyCrzN (0.3?y?0.6 and 0<z?0.3); the thin layer B is comprised of MeN (where Me is Nb or V); and the thin layer D is comprised of Al1-a-bTiaSibN (0.3?a?0.7 and 0<b<0.1).
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 1, 2016
    Assignee: KORLOY INC.
    Inventors: Je-Hun Park, Jae-Hoon Kang, Seung-Su Ahn, Sung-Hyun Kim, Sung-Gu Lee, Jung-Wook Kim, Sun-Yong Ahn, Dong-Bok Park
  • Publication number: 20160042788
    Abstract: A write driver is configured to determine a magnitude and an application time of a pre-emphasis current pulse in response to control codes generated according to parasitic components on a path from a write driver to a program target cell and a resistance value of the program target cell, and supply a preset program current to a memory circuit block by adding a pre-emphasis current to the preset program current in a program mode.
    Type: Application
    Filed: October 16, 2014
    Publication date: February 11, 2016
    Inventors: Chang Yong AHN, Yoon Jae SHIN, In Soo LEE, Jun Ho CHEON
  • Patent number: 9241290
    Abstract: Provided are apparatus and method for controlling handover to prevent femtocell interference. The apparatus may include an event receiving module, a handover determining module, and an inter-frequency processing module. The event receiving module may be configured to receive a control message from user equipment. The handover determining module may be configured to analyze the received control message and determine whether the control message includes a request of inter-cell handover from a first cell base station of the first cell to a second cell base station of one of the second cells. The inter-frequency processing module may be configured to perform inter-frequency handover using an unshared frequency when the handover determining module determines that the control message includes the request of inter-cell handover.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: January 19, 2016
    Assignee: KT CORPORATION
    Inventors: Byoung-Jin Choi, Tae-Won Ban, Chang-Yong Ahn, Sung-Sang You, Kyeong-Soo Lee, Hee-Jun Lee
  • Publication number: 20150364174
    Abstract: A world line driver circuit according to an embodiment includes a driving unit configured to output a sub word line driving signal in response to a word line select signal and a main word line driving signal, a transmission unit configured to transmit the sub word line driving signal to a word line in response to a first enable signal, and a precharge unit configured to precharge a potential of the word line.
    Type: Application
    Filed: September 15, 2014
    Publication date: December 17, 2015
    Inventors: Chang Yong AHN, Yoon Jae SHIN
  • Publication number: 20150357048
    Abstract: A semiconductor memory apparatus may include a read/write circuit unit configured to receive an external voltage, to read data from a memory cell array, and to generate a pre-read signal, while an internal voltage is generated during a test mode, and a controller configured to selectively drive a write circuit unit in response to the pre-read signal.
    Type: Application
    Filed: September 8, 2014
    Publication date: December 10, 2015
    Inventors: Chang Yong AHN, Yoon Jae SHIN
  • Patent number: 9202429
    Abstract: A 3D-capable image display device includes: a display panel having a plurality of pixels and a plurality of data lines; a gamma reference voltages generator for generating a plurality of gamma reference voltages including positive gamma reference voltages and negative gamma reference voltages; a data lines driver for converting an image signal into corresponding data line drive voltages based on the plurality of gamma reference voltages; and a signal controller operating according to a mode selection signal including information for selecting one of different 3D driving methods, wherein when a gap between the positive gamma reference voltages and the negative gamma reference voltages is referred to as a black gap, and size of the black gap is variable based on the selected 3D driving method.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Seok Bae, Haeng Won Park, Duck Yong Ahn, Min Jun Choi, Joo Young Choi
  • Publication number: 20150337459
    Abstract: Provided is a multilayer thin film for a cutting tool, in which unit thin films each of which is formed of a total of four thin layers are stacked more than once, the multilayer thin film being capable of realizing improved physical properties compared with conventional one by adjusting an elastic period and a lattice period between the four thin layers. The multilayer thin film for a cutting tool according to the present disclosure is a multilayer thin film for a cutting tool, in which unit thin films each of which is sequentially stacked with thin layers A, B, C, and D are stacked more than once, wherein elastic modulus k between the thin layers satisfies relationships of kA, kC>kB, kD or kB, kD>kC, kA, and lattice parameter L between the thin layers satisfies relationships of LA>LB, LD>LC or LC>LB, LD>LA.
    Type: Application
    Filed: May 21, 2013
    Publication date: November 26, 2015
    Inventors: Seung-Su AHN, Je-Hun PARK, Sung-Gu LEE, Sun-Yong AHN
  • Publication number: 20150307998
    Abstract: Provided is a multilayer thin film for a cutting tool, in which micro-scale thin films having a thickness of a few nanometers to tens of nanometers are alternately stacked, having less quality variations and being capable of realizing excellent wear resistance. The multilayer thin film according to the present disclosure is a multilayer thin film for a cutting tool, in which unit thin films which are respectively formed of thin layers A, B, C, and D are stacked more than once, wherein elastic moduluses k of the thin layers satisfy relationships of kA>kB, kD>kC or kC>kB, kD>kA, lattice parameters L of the thin layers satisfy relationships of LA, LC>LB, LD or LB, LD>LA, LC, and a difference between maximum and minimum values of the lattice parameter L is 20% or less.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 29, 2015
    Applicant: KORLOY INC.
    Inventors: Seung-Su AHN, Je-Hun PARK, Jae-Hoon KANG, Sung-Gu LEE, Sun-Yong AHN
  • Publication number: 20150277609
    Abstract: In one embodiment, the touch controller receives touch signals transmitted by a touch panel so as to generate the touch data and perform segmentation based on a peak node of the touch data by assigning labels to neighboring nodes. The method includes determining whether nodes of the touch data are in a touch state by using an energy change of the touch data; selecting a peak node of the touch data; determining a state of the touch data by tracking the peak node; and performing segmentation based on the peak node.
    Type: Application
    Filed: March 11, 2015
    Publication date: October 1, 2015
    Inventors: Ji-sung JUNG, Hae-yong AHN, Jong-seon KIM, Mi-hye JUNG, Hwi-taek CHUNG
  • Patent number: 9141208
    Abstract: A method of segmenting multiple touches in a touch sensor system is disclosed. The method includes setting a point node by selecting a valid node of a touch sensor panel from among valid nodes having touch data equal to or greater than a threshold value of a touch sensor panel; determining one or more candidate labels for the point node by searching for adjacent nodes around the point node; and when there are two or more candidate labels for the point node, labeling the point node by selecting a label of a label group that has the highest group similarity with the point node and that is from among label groups of the two or more candidate labels, and by assigning the selected label to the point node.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-kang Park, Young-tae Son, Hae-yong Ahn, Jong-hak Baek, Mi-hye Jung, Yoon-kyung Choi, Gyoo-cheol Hwang
  • Patent number: 9134857
    Abstract: An adaptive digital filtering method and apparatus for touch data in a touch system is described. Adaptive digital filtering involves estimating a signal-to-noise ratio (SNR) for stored touch data, and reducing a digital filter order if the SNR is high and increasing the digital filter order if the SNR is small.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: September 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-kang Park, Hae-yong Ahn, Yoon-kyung Choi
  • Patent number: D738721
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoo-Shin Song, Seong-Min Kwon, Eun-Kyung Kim, Se-Yong Ahn