Patents by Inventor Jaeduk Han

Jaeduk Han 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: 11966625
    Abstract: Provided are a memory device storing setting data and a memory system including the same. The memory device may include a cell array including a plurality of cell blocks, each including a plurality of pages, and a control logic that controls a program and read operation on the cell array, wherein at least one page of the cell array stores information data read (IDR) data including information related to a setting operation of the memory device, at least one other page of the cell array stores replica IDR data including inverted bit values of the IDR data, and the control logic controls a recovery operation for repairing errors in the IDR data by reading the replica IDR data when a read fail of the IDR data occurs.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Guyeon Han, Sangwon Park, Jinkyu Kang, Raeyoung Lee, Jaeduk Lee
  • Publication number: 20240064046
    Abstract: The disclosure relates to a pulse amplitude modulation (PAM) data encoding technique capable of reducing effects due to supply noise. A data transmission method according to an embodiment includes identifying an encoding rule of mapping a plurality of pieces of N-bit data and M data symbols, according to a designated level, obtaining a plurality of segmented pieces of data by performing segmentation on input data in units of N bits, mapping the obtained plurality of segmented pieces of data to the M data symbols based on the identified encoding rule, and transmitting the M data symbols obtained as a result of mapping through a plurality of single-ended data lines, wherein an absolute value of a sum of the M data symbols has a value equal to or less than the designated level.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 22, 2024
    Applicant: IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jaeduk Han, Seonghyun Park, Eunji Song, Jeonghyu Yang, Youngmin Oh
  • Publication number: 20230403010
    Abstract: A parallel-to-serial converter includes first to fourth input nodes configured to receive first to fourth data input signals, respectively, and an output node configured to output a data output signal. First to fourth logic circuits are provided, which are configured to electrically couple respective ones of the first to fourth input nodes one-at-a-time to the output node, in synchronization with first to fourth clock signals. The first logic circuit includes a first input circuit, a second input circuit, and an output circuit electrically coupled to the first and second input circuits. The output circuit includes a first pull-up transistor and a first pull-down transistor having drain terminals coupled to the output node, a second pull-up transistor connected between a source terminal of the first pull-up transistor and a first power supply node, and a second pull-down transistor connected between a source terminal of the first pull-down transistor and a second power supply node.
    Type: Application
    Filed: February 28, 2023
    Publication date: December 14, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Hyunyoon Cho, Eunseok Shin, Youngdon Choi, Jaeduk Han, Hyuntae Kim, Jeonghyu Yang, Sanghun Lee
  • Publication number: 20230344686
    Abstract: A pulse-amplitude modulation (PAM) transmitter includes a transceiver, and at least one processor connected to the transceiver and configured to identify, from among symbols included in an input signal, a symbol that exceeds a specified transition level, when the symbol exceeding the transition level is identified, obtain a frame buffer including at least one bit among bits constituting the identified symbol, encode input data by inverting at least one bit among the bits constituting the identified symbol, and transmit the frame buffer and the encoded input data.
    Type: Application
    Filed: April 18, 2023
    Publication date: October 26, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATON HANYANG UNIVERSITY)
    Inventors: Jaeduk HAN, Eunji SONG, Seonghyun PARK
  • Publication number: 20230208418
    Abstract: A high-speed 4:1 multiplexer according to an embodiment comprises an input circuit unit including a first circuit that receives a first data as an input signal, and outputs a first output data as an output signal, a second circuit that receives a second data as an input signal, and outputs a second output data as an output signal, a third circuit that receives a third data as an input signal, and outputs a third output data as an output signal, and a fourth circuit that receives a fourth data as an input signal, and outputs a fourth output data as an output signal, a first stage for dividing the output data of the input circuit unit by two and receiving as an input signal, and outputting a first intermediate data and a second intermediate data as an output signal and a second stage of receiving the first intermediate data and the second intermediate data as an input signal and outputting a final data as an output signal.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 29, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Jaeduk HAN, Jeonghyu YANG, Hyuntae KIM, Hyeongmin SEO
  • Patent number: 11664809
    Abstract: An apparatus includes a receiver buffer, a phase compensation circuit, a data sampler circuit, and an error sampler circuit. The receiver buffer may generate an equalized signal on a signal node using an input signal received via a channel. The phase compensation circuit may, in response to an initiation of a training mode, replace the equalized signal on the signal node with a reference signal. The data sampler circuit may sample, using a data clock signal, the reference signal to generate a plurality of data samples. The error sampler circuit may sample, using an error clock signal, the reference signal to generate a plurality of errors samples. The phase compensation circuit may also adjust a phase difference between the data clock signal and the error clock signal using at least some of the plurality of data samples and at least some of the plurality of error samples.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: May 30, 2023
    Assignee: Apple Inc.
    Inventors: Jaeduk Han, Wenbo Liu, Wing Liu, Ming-Shuan Chen, Sanjeev K. Maheshwari, Vishal Varma, Sunil Bhosekar, Lizhi Zhong, Gary A. Rogan
  • Publication number: 20230071072
    Abstract: According to an aspect, a data inversion circuit configured to perform DBI-AC encoding using a PAM 4 signal may comprise a data generation unit configured to generate input data based on the PAM 4 signal, a channel comprising N data lines, a first auxiliary signal generation unit configured to generate a first auxiliary signal that determines whether to perform a first encoding on the input data based on the number of each of a plurality of data symbols included in the input data, a first data encoding unit configured to generate intermediate data by performing the first encoding on the input data based on the first auxiliary signal, a second auxiliary signal generation unit configured to generate a second auxiliary signal that determines whether to perform a third encoding on the intermediate data by analyzing the relationship between a plurality of data symbols at a current time point and a plurality of data symbols at a previous time point included in the intermediate data and a second data encoding unit c
    Type: Application
    Filed: August 26, 2022
    Publication date: March 9, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Jaeduk HAN, Eunji SONG, SangHun LEE, YunSeong JO, HyeongMin SEO, Hyuntae KIM
  • Publication number: 20230073629
    Abstract: According to an aspect, a data inversion circuit configured to perform DBI-DC encoding using a PAM 4 signal may comprise a data generation unit configured to generate input data based on the PAM 4 signal and a data transmission unit comprising, an auxiliary signal generation unit configured to generate an auxiliary signal that determines whether to perform encoding on the input data by analyzing a plurality of data symbols included in the input data, a channel comprising a plurality of data lines and a data encoding unit configured to generate encoded data by performing DBI (data bus inversion) encoding on the data based on the auxiliary signal and to transmit the generated encoded data to a data reception unit via the channel.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 9, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Jaeduk Han, Eunji Song, SangHun Lee, YunSeong Jo, HyeongMin Seo, Hyuntae Kim
  • Publication number: 20230004703
    Abstract: Generating a layout of an integrated circuit having a plurality of components may be performed by generating placement information of the plurality of components; generating pin position information for pins of the plurality of components; generating grid information according to the pin position information; and generating routing information between two pins of the plurality of components using the grid information.
    Type: Application
    Filed: June 2, 2022
    Publication date: January 5, 2023
    Inventors: Youngbog YOON, Jaeduk HAN
  • Patent number: 11322935
    Abstract: An ESD protection circuit is disclosed. The ESD protection circuit is coupled between a first node and a second node that is coupled to an input of a functional circuit. A first protection circuit is coupled to the first node. The circuit further includes a first path and a second path. The first path includes a second protection circuit that is coupled to the second node, and is AC coupled to the first node. A second circuit path includes a third protection circuit, a resistor coupled between the third protection circuit and the first node, and a switch having a first terminal coupled to the resistor and the third protection circuit. A shunt circuit includes a transistor having a gate terminal coupled to the second terminal of the switch. The transistor, when activated, shunts current from the second node to ground.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 3, 2022
    Assignee: Apple Inc.
    Inventors: Farzan Farbiz, Jaeduk Han, Praveen R. Singh
  • Publication number: 20220077679
    Abstract: An ESD protection circuit is disclosed. The ESD protection circuit is coupled between a first node and a second node that is coupled to an input of a functional circuit. A first protection circuit is coupled to the first node. The circuit further includes a first path and a second path. The first path includes a second protection circuit that is coupled to the second node, and is AC coupled to the first node. A second circuit path includes a third protection circuit, a resistor coupled between the third protection circuit and the first node, and a switch having a first terminal coupled to the resistor and the third protection circuit. A shunt circuit includes a transistor having a gate terminal coupled to the second terminal of the switch. The transistor, when activated, shunts current from the second node to ground.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 10, 2022
    Inventors: Farzan Farbiz, Jaeduk Han, Praveen R. Singh
  • Publication number: 20210226639
    Abstract: An apparatus includes a receiver buffer, a phase compensation circuit, a data sampler circuit, and an error sampler circuit. The receiver buffer may generate an equalized signal on a signal node using an input signal received via a channel. The phase compensation circuit may, in response to an initiation of a training mode, replace the equalized signal on the signal node with a reference signal. The data sampler circuit may sample, using a data clock signal, the reference signal to generate a plurality of data samples. The error sampler circuit may sample, using an error clock signal, the reference signal to generate a plurality of errors samples. The phase compensation circuit may also adjust a phase difference between the data clock signal and the error clock signal using at least some of the plurality of data samples and at least some of the plurality of error samples.
    Type: Application
    Filed: April 5, 2021
    Publication date: July 22, 2021
    Inventors: Jaeduk Han, Wenbo Liu, Wing Liu, Ming-Shuan Chen, Sanjeev K. Maheshwari, Vishal Varma, Sunil Bhosekar, Lizhi Zhong, Gary A. Rogan
  • Patent number: 10972107
    Abstract: An apparatus includes a receiver buffer, a phase compensation circuit, a data sampler circuit, and an error sampler circuit. The receiver buffer may generate an equalized signal on a signal node using an input signal received via a channel. The phase compensation circuit may, in response to an initiation of a training mode, replace the equalized signal on the signal node with a reference signal. The data sampler circuit may sample, using a data clock signal, the reference signal to generate a plurality of data samples. The error sampler circuit may sample, using an error clock signal, the reference signal to generate a plurality of errors samples. The phase compensation circuit may also adjust a phase difference between the data clock signal and the error clock signal using at least some of the plurality of data samples and at least some of the plurality of error samples.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 6, 2021
    Assignee: Apple Inc.
    Inventors: Jaeduk Han, Wenbo Liu, Wing Liu, Ming-Shuan Chen, Sanjeev K. Maheshwari, Vishal Varma, Sunil Bhosekar, Lizhi Zhong, Gary A. Rogan
  • Publication number: 20210036707
    Abstract: An apparatus includes a receiver buffer, a phase compensation circuit, a data sampler circuit, and an error sampler circuit. The receiver buffer may generate an equalized signal on a signal node using an input signal received via a channel. The phase compensation circuit may, in response to an initiation of a training mode, replace the equalized signal on the signal node with a reference signal. The data sampler circuit may sample, using a data clock signal, the reference signal to generate a plurality of data samples. The error sampler circuit may sample, using an error clock signal, the reference signal to generate a plurality of errors samples. The phase compensation circuit may also adjust a phase difference between the data clock signal and the error clock signal using at least some of the plurality of data samples and at least some of the plurality of error samples.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 4, 2021
    Inventors: Jaeduk Han, Wenbo Liu, Wing Liu, Ming-Shuan Chen, Sanjeev K. Maheshwari, Vishal Varma, Sunil Bhosekar, Lizhi Zhong, Gary A. Rogan
  • Patent number: 10193540
    Abstract: An apparatus and method and system therefor relates generally to decision threshold control. In such an apparatus, an ac-coupler circuit is configured as a high-pass circuit path for a first frequency range. A buffer amplifier circuit is coupled in parallel with the ac-coupler circuit. The buffer amplifier circuit is configured as a low-pass circuit path for a second frequency range. An offset injection circuit is coupled to both the ac-coupler circuit and the buffer amplifier circuit and configured to inject an offset.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: January 29, 2019
    Assignee: XILINX, INC.
    Inventors: Jaeduk Han, Hsung Jai Im
  • Patent number: 9101016
    Abstract: Disclosed is a light emitting diode (LED) illuminating apparatus having enhanced stability of the quantity of light. The LED illuminating apparatus includes an LED lighting block connected to a rectified voltage and including at least one LED module, an alternative reference voltage generating block configured to detect the rectified voltage and generate an alternative reference voltage, and a switching block connected to the tap and configured to form a closed circuit including the at least one LED module. The at least one LED module includes a cathode terminal having a tap. The alternative reference voltage has a voltage level according to a root mean square (RMS) value of the rectified voltage. The amount of currents flowing through the closed circuit is controlled by the alternative reference voltage to have a negative relationship with the RMS value of the rectified voltage.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 4, 2015
    Assignee: TLI INC.
    Inventor: Jaeduk Han
  • Publication number: 20150084543
    Abstract: Disclosed is a light emitting diode (LED) illuminating apparatus having enhanced stability of the quantity of light. The LED illuminating apparatus includes an LED lighting block connected to a rectified voltage and including at least one LED module, an alternative reference voltage generating block configured to detect the rectified voltage and generate an alternative reference voltage, and a switching block connected to the tap and configured to form a closed circuit including the at least one LED module. The at least one LED module includes a cathode terminal having a tap. The alternative reference voltage has a voltage level according to a root mean square (RMS) value of the rectified voltage. The amount of currents flowing through the closed circuit is controlled by the alternative reference voltage to have a negative relationship with the RMS value of the rectified voltage.
    Type: Application
    Filed: January 23, 2013
    Publication date: March 26, 2015
    Applicant: TLI iNC.
    Inventor: Jaeduk Han