Patents by Inventor Ho Jung Kim

Ho Jung Kim 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: 20130177323
    Abstract: A microprocessor chip includes a plurality of processors; at least one first optical input/output unit configured to receive optical signals from an external device and transmit optical signals to the external device; and an optical system bus that is connected between the plurality of processors and the at least one first optical input/output unit.
    Type: Application
    Filed: September 12, 2012
    Publication date: July 11, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung KIM, Young-soo PARK
  • Patent number: 8477055
    Abstract: A digital-to-analog converter (DAC) includes: a plurality of first controllers and a plurality of resistor devices. The plurality of first controllers are configured to be selectively switched on according to a received digital signal to control an analog signal according to the received digital signal. The plurality of resistor devices are respectively connected to the plurality of first controllers. The plurality of resistor devices include non-volatile memory devices.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: July 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-sik Choi, Ho-jung Kim, Hyung-su Jeong
  • Patent number: 8471640
    Abstract: Oscillators and methods of operating the oscillators are provided, the oscillators include an oscillating unit including at least one magnetic layer having a magnetization direction that varies according to at least one selected from the group consisting of an applied current, an applied voltage and an applied magnetic field. The oscillating unit is configured to generate an oscillation signal having a set frequency. The oscillators further include an output stage that provides an output signal by differentially amplifying the oscillation signal.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: June 25, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-sik Choi, Ho-jung Kim, Jai-kwang Shin
  • Publication number: 20130121059
    Abstract: A multi-valued logic device having an improved reliability includes a conversion unit configured to convert a multi level signal into a plurality of partial signals; and a plurality of nonvolatile memory devices configured to individually store the plurality of partial signals, wherein a number of bits of each of the plurality of partial signals individually stored in the plurality of nonvolatile memory devices is less than the number of bits of the multi level signal.
    Type: Application
    Filed: August 2, 2012
    Publication date: May 16, 2013
    Applicants: University of Seoul Foundation of Industry Academic Cooperation, Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, Joong-ho Choi, Jai-kwang Shin, Hyun-sik Choi
  • Patent number: 8422328
    Abstract: A semiconductor device, a semiconductor system including the same, and a voltage supply method of the semiconductor device are provided. The semiconductor device includes at least two semiconductor memory devices and a voltage supply controller configured to selectively supply a voltage to each of the at least two semiconductor memory devices.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Chul Woo Park, Sang Beom Kang, Jung Min Lee, Hyun Ho Choi
  • Patent number: 8406029
    Abstract: In a memory device and in a method for controlling a memory device, the memory device comprises a magnetic structure that stores information in a plurality of domains of the magnetic structure. A read unit reads information from at least one of the plurality of domains of the magnetic structure by applying a read current to the magnetic structure. A position detector unit compares the information read by a read current from the read unit from multiple domains of the plurality of domains of the magnetic structure to identify the presence of an expected information pattern at select domains of the plurality of domains.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: March 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, Chul-woo Park, Sang-beom Kang, Jong-wan Kim, Hyun-ho Choi, Young-pil Kim, Sung-chul Lee
  • Publication number: 20130069714
    Abstract: A semiconductor device and a method of operating the semiconductor device. The semiconductor device includes a voltage generator configured to generate a test voltage, a graphene transistor configured to receive a gate-source voltage based on the test voltage, and a detector configured to detect whether the gate-source voltage is a Dirac voltage of the graphene transistor, and output a feedback signal applied to the voltage generator indicating whether the gate-source voltage is the Dirac voltage.
    Type: Application
    Filed: July 17, 2012
    Publication date: March 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung Kim, U-in Chung, Jai-kwang Shin
  • Publication number: 20130049802
    Abstract: A logic device may include a first functional block, the first functional block including, a first storage block, a second storage block, and a first function controller. In a first operation time period, the first function controller may be configured to receive a first configuration selection signal and a first configuration command signal that instructs a first function be configured, select the first storage block as a configured storage block in the first operation time period based on the first configuration selection signal, and configure the first function in the first storage block based on the first configuration command signal.
    Type: Application
    Filed: August 29, 2012
    Publication date: February 28, 2013
    Applicants: University of Seoul Industry Cooperation Foundation, Samsung Electronics Co., Ltd.
    Inventors: Hyun-sik CHOI, Ho-jung KIM, Ki-chul KIM, Jai-kwang SHIN, Joong-ho CHOI, Hyung-su JEONG
  • Patent number: 8374052
    Abstract: An information storage device includes a first portion comprising at first at least one magnetic track, each of the at least one magnetic track in the first portion including a first plurality of magnetic domains and being configured to store a first type of data therein and a second portion comprising a second at least one magnetic track, each of the at least one magnetic track in the second portion including a second plurality of magnetic domains and being configured to store a second type of data therein, the second type of data being related to the first type of data.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: February 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Sang Beom Kang, Chul Woo Park, Hyun Ho Choi, Jong Wan Kim, Young Pill Kim, Sung Chul Lee
  • Patent number: 8369173
    Abstract: A method of changing a parameter in a semiconductor device is provided. The method includes receiving and storing data in a storage region; and changing at least one between a DC characteristic and an AC timing characteristic of a parameter, used to access a non-volatile memory cell included in a memory core of the semiconductor device, according to the data stored in the storage.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: February 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Chul Woo Park, Sang Beom Kang, Hyun Ho Choi, Jung Min Lee, Seung Eon Ahn
  • Patent number: 8357992
    Abstract: The non-volatile memory device may include a substrate, a plurality of first signal lines on the substrate in a vertical direction, a plurality of memory cells having ends connected to the plurality of first signal lines, a plurality of second signal lines perpendicular to the plurality of first signal lines on the substrate and each connected to other ends of the plurality of memory cells, and a plurality of selection elements on the substrate and connected to at least two of the plurality of first signal lines.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: January 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, In-kyeong Yoo, Chang-jung Kim, Ki-ha Hong
  • Patent number: 8355291
    Abstract: A resistive memory device comprises a memory cell array comprising a plurality of memory units. The memory device performs a refresh read operation to check a condition of each of the memory units. Then, it determines whether to refresh each memory unit based on data read by performing the refresh read operation, and refreshes the memory unit according to a result of the determination. The refresh read operation uses a reference resistance with a smaller margin from a resistance distribution than a normal read operation.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: January 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Sang Beom Kang, Hong Sun Hwang, Chul Woo Park
  • Patent number: 8345464
    Abstract: A memory device includes a stacked resistive memory cell array comprising a plurality of resistive memory cell layers stacked on a semiconductor substrate, wherein respective memory cell layers are configured to store data according to respective program modes comprising a number of bits per cell. The memory device further includes a control circuit configured to identify a program mode of a selected memory cell layer responsive to an address signal and to access the selected memory cell layer responsive to the address signal according to the identified program mode. The program modes may include a single-level cell mode and at least one multi-level cell mode.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Beom Kang, Chul Woo Park, Hyun Ho Choi, Ho Jung Kim
  • Publication number: 20120326747
    Abstract: A logic device that includes a plurality of non-volatile memory cells configured to store possible output results related to the input signal. The logic device generating an output signal by selecting and accessing one of the plurality of non-volatile memory cells based on the input signal.
    Type: Application
    Filed: April 18, 2012
    Publication date: December 27, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-su Jeong, Ho-jung Kim, Jai-kwang Shin, Hyun-sik Choi
  • Publication number: 20120326748
    Abstract: According to example embodiments, a logic device includes a first functional block configured to perform a first operation according to first operation information and a second operation according to second operation information, and a second functional block configured to perform a third operation according to the first operation information and a fourth operation according to the second operation information. The first functional block is configured to receive configuration information, to select one of the first operation information and the second operation information based on the configuration information, and to perform the first or second operation based on the selected first or second operation information.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 27, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung Kim, Jae-kwang Shin, Hyun-sik Choi, Hyun-su Jeong
  • Patent number: 8301835
    Abstract: A controller may include a RAID controller and an access controller. The RAID controller exchanges data with a host and select ones of a plurality of RAID levels responsive to RAID level information. The access controller is connected to the RAID controller and to a plurality of channels that are each connected to a plurality of non-volatile memory chips. The access controller accesses data in at least one of the non-volatile memory chips connected to each of the channels according to the selected RAID level. The controller may alternatively or additionally include a storage device and a main processor. The main processor is configured to logically partition a plurality of non-volatile memory chips that are connected to each of a plurality of channels into a normal partition region and a RAID level partition region, where data access is performed according to a selected RAID level, in response partition information that is stored in the storage device.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: October 30, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho Jung Kim
  • Patent number: 8279667
    Abstract: Provided are nonvolatile memory devices and program methods thereof, an integrated circuit memory system includes a memory array comprising at least one magnetic track, each of the at least one magnetic track including a plurality of magnetic domains and at least one read/write unit coupled thereto, decoding circuitry coupled to the memory array that is operable to select at least one of the magnetic domains, a read/write controller coupled to the memory array that is operable to read data from at least one of the plurality of magnetic domains and to write data to at least one of the plurality of magnetic domains via the at least one read/write unit coupled to each of the at least one magnetic track, and a domain controller coupled to memory array that is operable to move data between the magnetic domains on each of the at least one magnetic track.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jung Kim, Sang Beom Kang, Chul Woo Park, Hyun Ho Choi, Jong Wan Kim, Young Pill Kim, Sung Chul Lee
  • Patent number: 8271856
    Abstract: To control operations of a resistive memory device, an input-output operation of an error check and correction (ECC) code is separated from an input-output operation of data. A condition of the input-output operation of the ECC code is determined stricter than a condition of the input-output operation of the data. reliability of the input-output operation of the ECC code may be enhanced, thereby reducing errors due to defect memory cells, noise, etc.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: September 18, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Beom Kang, Chul-Woo Park, Hyun-Ho Choi, Ho-Jung Kim
  • Publication number: 20120212255
    Abstract: The logic circuit includes at least one variable resistance device configured such that a resistance value of the at least one variable resistance device varies according to at least one selected value. The selected value is selected from among a voltage and a current of an input signal, and the at least one variable resistance device is configured to memorize the resistance value. The logic circuit is configured to store multi-level data by setting the memorized resistance value.
    Type: Application
    Filed: September 23, 2011
    Publication date: August 23, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-su Jeong, Ho-jung Kim, Hyun-sik Choi
  • Publication number: 20120210054
    Abstract: Provided are a storage medium, which has a security function, for storing media content and an output apparatus for outputting data stored in the storage medium. The storage medium includes a controller for converting at least one of a position of pins of a connector and a storage position of media content in a memory unit in order to control transmission of the media content in the memory unit to the output apparatus.
    Type: Application
    Filed: October 21, 2010
    Publication date: August 16, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Jung Kim, In-Kyeong Yoo, Ho-Jung Kim, Chul-Woo Park