Patents by Inventor Jae-Min Jang

Jae-Min Jang 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: 12248702
    Abstract: A memory controller includes a plurality of processors, a memory device and a memory manager. The memory device includes a plurality of segments, which are divided into a plurality of segment groups, to which group identifiers are respectively assigned. The memory manager is configured to map a first buffer identifier to a first group identifier from among the group identifiers, select one or more segments only from a first segment group, to which the first group identifier is assigned among the plurality of segment groups, map the first buffer identifier to the one or more segments, and allocate, to a first processor from among the plurality of processors, the first buffer identifier and the one or more segments.
    Type: Grant
    Filed: January 7, 2023
    Date of Patent: March 11, 2025
    Assignee: SK hynix Inc.
    Inventors: Tae Ho Lim, Ie Ryung Park, Dong Sop Lee, Youn Won Park, Jae Min Jang
  • Publication number: 20240069796
    Abstract: A memory controller includes a plurality of processors, a memory device and a memory manager. The memory device includes a plurality of segments, which are divided into a plurality of segment groups, to which group identifiers are respectively assigned. The memory manager is configured to map a first buffer identifier to a first group identifier from among the group identifiers, select one or more segments only from a first segment group, to which the first group identifier is assigned among the plurality of segment groups, map the first buffer identifier to the one or more segments, and allocate, to a first processor from among the plurality of processors, the first buffer identifier and the one or more segments.
    Type: Application
    Filed: January 7, 2023
    Publication date: February 29, 2024
    Inventors: Tae Ho LIM, Ie Ryung PARK, Dong Sop LEE, Youn Won PARK, Jae Min JANG
  • Publication number: 20230343096
    Abstract: The present disclosure relates to technology for automatically searching and recovering the recovery area of frames corresponding to a desired time for large-capacity video evidence using a time map generated through an optical character recognition (OCR) function.
    Type: Application
    Filed: October 28, 2022
    Publication date: October 26, 2023
    Applicant: GMDSOFT Inc.
    Inventors: Hyun Soo KIM, Kyung Su LEE, Chang Ha LEE, Jae Min JANG
  • Publication number: 20200090746
    Abstract: A memory device includes a plurality of word lines and a plurality of bit lines intersecting the word lines, a memory cell array comprising a plurality of memory cells coupled between the word lines and the bit lines at intersections between the word lines and the bit lines, respectively, an address decoder suitable for decoding an address to access a memory cell selected among the memory cells, and a controller suitable for writing and reading data to and from the selected memory cell by applying voltages to the word lines and bit lines, wherein the controller invalidates data stored in memory cells coupled to a target word line among the word lines by applying an invalidation voltage to the target word line for a set time.
    Type: Application
    Filed: December 26, 2018
    Publication date: March 19, 2020
    Inventors: Jung-Hyun KWON, Jae-Min JANG, Sang-Gu JO
  • Patent number: 9595498
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 14, 2017
    Assignee: SK HYNIX INC.
    Inventors: Chang Kun Park, Seong Hwi Song, 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
  • Patent number: 9361969
    Abstract: A semiconductor device includes a periodic signal generating circuit for generating a periodic signal having a set period regardless of changes in temperature in response to a first trimming signal as a default value and controlling the set period of the periodic signal based on the temperature in response to a second trimming signal, and an internal circuit to perform a set operation in response to the periodic signal.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: June 7, 2016
    Assignee: SK Hynix Inc.
    Inventors: Yong-Ju Kim, Dae-Han Kwon, Hae-Rang Choi, Jae-Min Jang
  • Publication number: 20160104684
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: December 7, 2015
    Publication date: April 14, 2016
    Inventors: Chang Kun PARK, Seong Hwi SONG, 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
  • Patent number: 9257968
    Abstract: A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 9, 2016
    Assignee: SK Hynix Inc.
    Inventors: Shin-Deok Kang, Jae-Min Jang, Yong-Ju Kim, Hae-Rang Choi
  • Patent number: 9225316
    Abstract: A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: December 29, 2015
    Assignee: SK Hynix Inc.
    Inventors: Shin-Deok Kang, Jae-Min Jang, Yong-Ju Kim, Hae-Rang Choi
  • Patent number: 9209145
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 8, 2015
    Assignee: SK Hynix Inc.
    Inventors: Chang Kun Park, Seong Hwi Song, 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
  • Patent number: 9201415
    Abstract: An internal control signal regulation circuit includes a programming test unit configured to detect an internal control signal in response to an external control signal and generate a selection signal, test codes and a programming enable signal; and a code processing unit configured to receive the test codes or programming codes in response to the selection signal and regulate the internal control signal.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: December 1, 2015
    Assignee: SK Hynix Inc.
    Inventors: Yong Ju Kim, Dae Han Kwon, Hae Rang Choi, Jae Min Jang
  • Patent number: 9197202
    Abstract: A phase mixing circuit includes a first mixing unit configured to mix phases of first and second clocks at a predetermined ratio, and generate a first mixed signal; a second mixing unit configured to mix phases of an inverted signal of the first clock and an inverted signal of the second clock at the predetermined ratio, and generate a second mixed signal; and an output unit configured to generate an output signal based on of the first and second mixed signals.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: November 24, 2015
    Assignee: SK Hynix Inc.
    Inventors: Jae Min Jang, Yong Ju Kim, Dae Han Kwon, Kil Ho Cha
  • Patent number: 9190372
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Chang Kun Park, Seong Hwi Song, 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
  • Patent number: 9128511
    Abstract: A semiconductor device includes a characteristic code storage unit configured to store signal transfer characteristic information input through a given pad and output a control code corresponding to the signal transfer characteristic information, and a characteristic reflection unit configured to reflect the signal transfer characteristic information in an input signal input through the given pad, in response to the control code, and to output the reflected input signal.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: September 8, 2015
    Assignee: SK Hynix Inc.
    Inventors: Hae-Rang Choi, Yong-Ju Kim, Dae-Han Kwon, Jae-Min Jang
  • Publication number: 20150200656
    Abstract: A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Inventors: Shin-Deok KANG, Jae-Min JANG, Yong-Ju KIM, Hae-Rang CHOI
  • Publication number: 20150200655
    Abstract: A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Inventors: Shin-Deok KANG, Jae-Min JANG, Yong-Ju KIM, Hae-Rang CHOI
  • Publication number: 20150124545
    Abstract: A semiconductor device includes a periodic signal generating circuit for generating a periodic signal having a set period regardless of changes in temperature in response to a first trimming signal as a default value and controlling the set period of the periodic signal based on the temperature in response to a second trimming signal, and an internal circuit to perform a set operation in response to the periodic signal.
    Type: Application
    Filed: May 15, 2014
    Publication date: May 7, 2015
    Applicant: SK hynix Inc.
    Inventors: Yong-Ju KIM, Dae-Han KWON, Hae-Rang CHOI, Jae-Min JANG
  • Patent number: 9018994
    Abstract: A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.
    Type: Grant
    Filed: March 16, 2013
    Date of Patent: April 28, 2015
    Assignee: SK Hynix Inc.
    Inventors: Shin-Deok Kang, Jae-Min Jang, Yong-Ju Kim, Hae-Rang Choi
  • Publication number: 20150076614
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Chang Kun PARK, Seong Hwi SONG, 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
  • Publication number: 20150076703
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Chang Kun PARK, Seong Hwi SONG, 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