Patents by Inventor Hongseok Kim
Hongseok 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).
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Patent number: 11385831Abstract: A memory controller and a storage device including the same are provided. The memory controller includes memory channel controllers configured to perform erase, program, read, erase suspend and program suspend operations for flash memories, a flash translation layer configured to control the memory channel controllers to process write/read commands, allocate a buffer space in a buffer memory in response to a write command in the write/read commands, temporarily store data in the allocated buffer space, and deallocate the buffer spaceaafter the data is programmed to the flash memory, a host interface configured to receive the write/read commands from a host and transmit the received write/read commands to the flash translation layer, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the size of the allocable buffer space, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.Type: GrantFiled: August 27, 2020Date of Patent: July 12, 2022Assignee: FADU Inc.Inventors: Eui Jin Kim, Hongseok Kim, EHyun Nam, Kyoungmoon Sun
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Publication number: 20220197549Abstract: A memory controller and a storage device including the same are provided. The memory controller is provided with an internal memory in addition to an external memory for write buffering, and may manage a buffer in different modes according to the write workload of a host.Type: ApplicationFiled: December 21, 2021Publication date: June 23, 2022Applicant: FADU Inc.Inventors: Yeong-Jae WOO, Hongseok KIM, EHyun NAM
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Publication number: 20220197548Abstract: A memory controller and a storage device including the same are provided. The memory controller is provided with an internal memory in addition to an external memory for write buffering. Accordingly, the frequency of accessing the external memory may be reduced.Type: ApplicationFiled: December 21, 2021Publication date: June 23, 2022Applicant: FADU Inc.Inventors: Yeong-Jae WOO, Hongseok KIM, EHyun NAM
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Patent number: 11348658Abstract: A memory controller and a storage device including the same are provided. The memory controller performs decoding by selecting a decoder of a level enough to correct bit errors in a codeword from among a plurality of error correction code (ECC) decoders based on a bit error history of a non-volatile memory device.Type: GrantFiled: June 28, 2021Date of Patent: May 31, 2022Assignee: FADU Inc.Inventors: Hongseok Kim, Sang Hyun Park, Sunggil Hong, Hayoung Lim, EHyun Nam
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Patent number: 11322220Abstract: A memory system is provided. In the memory system, a memory controller transmits a write enable signal and a data strobe signal to a flash memory device, a command or an address is transmitted at a rising edge or a falling edge of the write enable signal through a data line in a single data rate (SDR) scheme, and input data is transmitted at each of a rising edge and a falling edge of the data strobe signal through the data line in a double data rate (DDR) scheme. The memory controller includes a parity signal generation unit configured to receive the write enable signal transmitted in the DDR scheme and output a parity signal by generating a first parity bit for the input data. The flash memory device includes a bit error detection unit configured to receive the parity signal output from the memory controller, generate a second parity bit for the input data received by the flash memory device, and determine whether a bit error has occurred to the input data by performing a parity check.Type: GrantFiled: November 20, 2020Date of Patent: May 3, 2022Assignee: FADU Inc.Inventors: Hongseok Kim, Kyoungseok Rha, EHyun Nam
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Patent number: 11306931Abstract: A humidifying air purifier includes a body frame having an opened front and rear, a fan housing coupled to a rear end of the body frame and having a fan intake, a housing cover coupled to a rear end of the fan housing to accommodate an air blowing fan, and an air discharge port formed at an upper end of the fan housing and an upper end of the housing cover. A waterwheel motor is installed on a front surface of the fan housing and positioned outside the fan intake, a driving gear is coupled to the waterwheel motor, a door assembly is configured to be pushed into or drawn out from a front end of the body frame, a water tub is accommodated in a lower side of the door assembly, and a humidifying filter assembly is inserted into the water tub.Type: GrantFiled: January 18, 2019Date of Patent: April 19, 2022Assignee: LG ELECTRONICS INC.Inventors: Hongseok Kim, Jungwoo Lee, Junhyuk Jang, Taeyoon Kim, Myungjin Ku, Sukchun Kim, Seonmi Kim, Inmun Yu, Kunyoung Lee
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Patent number: 11295824Abstract: A memory controller and a storage device including the same are provided. The memory controller groups pages in a memory block into page groups of different classes according to bit error rates, and allocates a page to be programmed according to a reliability requirement of a logical block address (LBA).Type: GrantFiled: December 23, 2020Date of Patent: April 5, 2022Assignee: FADU Inc.Inventors: Hongseok Kim, Ilyong Jung, Youngnam Kim, EHyun Nam
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Publication number: 20220005535Abstract: A memory controller and a storage device including the same are provided. The memory controller groups pages in a memory block into page groups of different classes according to bit error rates, and allocates a page to be programmed according to a reliability requirement of a logical block address (LBA).Type: ApplicationFiled: December 23, 2020Publication date: January 6, 2022Applicant: FADU Inc.Inventors: Hongseok KIM, Ilyong JUNG, Youngnam KIM, EHyun NAM
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Publication number: 20220005540Abstract: A memory controller and a storage device including the same are provided. The memory controller performs decoding by selecting a decoder of a level enough to correct bit errors in a codeword from among a plurality of error correction code (ECC) decoders based on a bit error history of a non-volatile memory device.Type: ApplicationFiled: June 28, 2021Publication date: January 6, 2022Applicant: FADU Inc.Inventors: Hongseok KIM, Sang Hyun PARK, Sunggil HONG, Hayoung LIM, EHyun NAM
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Publication number: 20220004326Abstract: A memory controller and a storage device including the same are provided. The memory controller generates a plurality of scrambled data by randomizing input data, counts the number of toggles per bit of each scrambled data, and writes one scrambled data with a smallest number of toggles in a non-volatile memory.Type: ApplicationFiled: June 28, 2021Publication date: January 6, 2022Applicant: FADU Inc.Inventors: Hongseok KIM, Sang Hyun PARK, Sunggil HONG, Hayoung LIM, EHyun NAM
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Patent number: 11177704Abstract: An interior permanent magnet motor includes a stator provided with a plurality of slots and a rotor rotatably disposed inside the stator. A plurality of permanent magnets of the same polarity are disposed at equal intervals in a circumferential direction inside the rotor. A plurality of flux bathers are provided on left and right sides of one end of each of the plurality of permanent magnets adjacent to an outer circumferential surface of the rotor. A ratio of a number of slots of the stator to a number of magnetic poles of the rotor is 3:2 or 3:4. The number of permanent magnets provided in the rotor is ½ of the number of magnetic poles of the rotor.Type: GrantFiled: June 5, 2019Date of Patent: November 16, 2021Assignee: SAMSUNG ELECTRONICS CO., LTDInventors: Taeho Yoon, Junseok Kim, Hyungchul Lee, Byoungsoo Ko, Hongseok Kim
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Patent number: 11156225Abstract: An embodiment of the present invention relates to a flow generating device comprising: a main body comprising a first suction part and a second suction part disposed at sides opposite to each other, a first inner discharge part through which air suctioned into the first suction part passes, a second inner discharge part through which air suctioned into the second suction part passes, and at least one outer discharge part through which air passing through the first inner discharge part and air passing through the second inner discharge part are discharged to the outside; a first fan disposed between the first suction part and the first inner discharge part; and a second fan disposed between the second suction part and the second inner discharge part.Type: GrantFiled: August 31, 2018Date of Patent: October 26, 2021Assignee: LG ELECTRONICS INC.Inventors: Heechul Park, Myungjin Ku, Hongseok Kim, Eunsun Lee
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Patent number: 11150809Abstract: A memory controller and a storage device including the same are provided. The memory controller includes a memory channel controller configured to perform erase/program, read, and erase/program suspend operations for a flash memory, a flash translation layer configured to control an operation of the memory channel controller by receiving a write/read command, and transmit a completion for the write/read command, a host interface configured to receive the write/read command from a host, transmit the write/read command to the flash translation layer, receive the completion from the flash translation layer, and calculate a write/read latency for the write/read command based on the completion, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the calculated write/read latency, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.Type: GrantFiled: August 14, 2020Date of Patent: October 19, 2021Assignee: FADU Inc.Inventors: Eui Jin Kim, Hongseok Kim, EHyun Nam, Kyoungmoon Sun
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Publication number: 20210158885Abstract: A memory system is provided. In the memory system, a memory controller transmits a write enable signal and a data strobe signal to a flash memory device, a command or an address is transmitted at a rising edge or a falling edge of the write enable signal through a data line in a single data rate (SDR) scheme, and input data is transmitted at each of a rising edge and a falling edge of the data strobe signal through the data line in a double data rate (DDR) scheme. The memory controller includes a parity signal generation unit configured to receive the write enable signal transmitted in the DDR scheme and output a parity signal by generating a first parity bit for the input data. The flash memory device includes a bit error detection unit configured to receive the parity signal output from the memory controller, generate a second parity bit for the input data received by the flash memory device, and determine whether a bit error has occurred to the input data by performing a parity check.Type: ApplicationFiled: November 20, 2020Publication date: May 27, 2021Applicant: FADU Inc.Inventors: Hongseok KIM, Kyoungseok RHA, EHyun NAM
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Publication number: 20210141559Abstract: A memory controller and a storage device including the same are provided. The memory controller for performing a buffering operation of temporarily storing data to be written to a non-volatile memory and data to be read from the non-volatile memory in a buffer memory includes a buffer request queue configured to store a plurality of buffer write requests requesting data to be temporarily stored in the buffer memory and a plurality of buffer read requests requesting data stored in the buffer memory to be read, a buffer traffic monitor configured to calculate the total amount of requested data in real time by summing the lengths of data specified in the respective buffer write requests and the respective buffer read requests stored in the buffer request queue, and a buffer manager configured to control execution of the buffering operation by setting an execution ratio based on the total amount of requested data calculated in real time.Type: ApplicationFiled: November 6, 2020Publication date: May 13, 2021Applicant: FADU Inc.Inventors: Hongseok KIM, EHyun NAM, Yeong-Jae WOO, Jin-yong CHOI
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Publication number: 20210109673Abstract: A memory controller and a storage device including the same are provided. The memory controller includes memory channel controllers configured to perform erase, program, read, erase suspend and program suspend operations for flash memories, a flash translation layer configured to control the memory channel controllers to process write/read commands, allocate a buffer space in a buffer memory in response to a write command in the write/read commands, temporarily store data in the allocated buffer space, and deallocate the buffer spaceaafter the data is programmed to the flash memory, a host interface configured to receive the write/read commands from a host and transmit the received write/read commands to the flash translation layer, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the size of the allocable buffer space, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.Type: ApplicationFiled: August 27, 2020Publication date: April 15, 2021Applicant: FADU Inc.Inventors: Eui Jin KIM, Hongseok KIM, EHyun NAM, Kyoungmoon SUN
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Publication number: 20210096985Abstract: A memory controller and a storage device including the same are provided. The memory controller includes a memory channel controller configured to perform erase/program, read, and erase/program suspend operations for a flash memory, a flash translation layer configured to control an operation of the memory channel controller by receiving a write/read command, and transmit a completion for the write/read command, a host interface configured to receive the write/read command from a host, transmit the write/read command to the flash translation layer, receive the completion from the flash translation layer, and calculate a write/read latency for the write/read command based on the completion, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the calculated write/read latency, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.Type: ApplicationFiled: August 14, 2020Publication date: April 1, 2021Applicant: FADU Inc.Inventors: Eui Jin KIM, Hongseok KIM, EHyun NAM, Kyoungmoon SUN
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Publication number: 20210006103Abstract: Disclosed is a compressor including a housing, and a motor including a stator to be interference fitted into and fixed to an inner circumferential surface of the housing and a rotor rotatable inside the stator. The stator includes an annular back yoke disposed inside the housing, a plurality of teeth extending radially inward from the back yoke, and a coil wound on the plurality of teeth. The back yoke includes a deformation portion compressed and deformed by the housing while the stator is interference fitted into the inner circumferential surface of the housing, a contact portion which protrudes radially outward from the deformation portion and being in contact with the housing, and a cavity formed on a radial inner side of the deformation portion into which which the deformation portion is deformed.Type: ApplicationFiled: July 1, 2020Publication date: January 7, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinwoo CHO, Hongseok KIM, Jae-Woo PARK, Ui-Yoon LEE
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Publication number: 20200355191Abstract: An embodiment of the present invention relates to a flow generating device comprising: a main body comprising a first suction part and a second suction part disposed at sides opposite to each other, a first inner discharge part through which air suctioned into the first suction part passes, a second inner discharge part through which air suctioned into the second suction part passes, and at least one outer discharge part through which air passing through the first inner discharge part and air passing through the second inner discharge part are discharged to the outside; a first fan disposed between the first suction part and the first inner discharge part; and a second fan disposed between the second suction part and the second inner discharge part.Type: ApplicationFiled: August 31, 2018Publication date: November 12, 2020Inventors: Heechul PARK, Myungjin KU, Hongseok KIM, Eunsun LEE
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Patent number: D918299Type: GrantFiled: August 21, 2019Date of Patent: May 4, 2021Assignee: LG ELECTRONICS INC.Inventors: Sangwon Yoon, Hongseok Kim, Joe Hyun, Yongho Lee