Patents by Inventor Hye Mi KANG

Hye Mi KANG 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: 12152948
    Abstract: A sensor includes a base material and a through-hole formed to pass through the upper surface and the lower surface of the base material. The sensor may also include a conductive thread sensor including conductive thread that passes through the through-hole. The pressure sensor is implemented through a structural combination of the conductive thread and the base material so that the degree of design freedom can be effectively increased in the application of a variety of recent wearable flexible materials.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: November 26, 2024
    Assignee: Korea Electronics Technology Institute
    Inventors: Won Hyo Kim, Woo Kyeong Seong, Kook Nyung Lee, Su Mi Yoon, Dong Ki Hong, Young Joo Kim, Hye Lim Kang
  • Publication number: 20240330181
    Abstract: A storage device may determine a target data segment from among a plurality of data segments, execute a hash function on the target data segment, and cache the target data segment in a data segment cache based on a result of executing the hash function on the target data segment. The data segment cache may be a hash table including N buckets each of which is able to cache one or more data segments. The hash function may be a function which outputs an index of the target bucket based on N, an index of the target data segment, and a seed value.
    Type: Application
    Filed: July 14, 2023
    Publication date: October 3, 2024
    Inventor: Hye Mi KANG
  • Publication number: 20240319894
    Abstract: A storage device may dynamically allocate, to a buffer, at least one among M number of buffer units each capable of storing at least one of a plurality of L2P mapping units. When receiving, from an external device, a mapping unit command requesting one or more target L2P mapping units among the plurality of L2P mapping units, the storage device may store the target L2P mapping units in the buffer before transmitting the target L2P mapping units to the external device.
    Type: Application
    Filed: January 2, 2024
    Publication date: September 26, 2024
    Inventors: Sae Gyeol CHOI, Hye Mi KANG
  • Patent number: 12026092
    Abstract: A data storage device may include a storage and a controller. The storage a storage including a first region of a first physical address range and a second region of a second physical address range. The controller may generate map data including a plurality of map segments, a first segment entry and a second segment entry, and store, in the second region, the map data except for a first map segment. Each of the map segments includes a set of physical addresses corresponding to a plurality of sequential logical addresses. The first segment entry includes a first segment physical address associated with the first map segment and belonging to the first physical address range, and the second segment entry includes a second segment physical address associated with a second map segment and belonging to the second physical address range.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: July 2, 2024
    Assignee: SK hynix Inc.
    Inventor: Hye Mi Kang
  • Publication number: 20240211394
    Abstract: A memory system comprises a memory device configured to store data; and a memory controller configured to: classify and store access data for plural pieces of map information respectively, according to a cycle; assign different weights to plural pieces of access data, classified according to the cycle, to determine a priority of the plural pieces of map information; and transmit at least one map information to a host based on the priority.
    Type: Application
    Filed: June 1, 2023
    Publication date: June 27, 2024
    Inventor: Hye Mi KANG
  • Patent number: 11995323
    Abstract: A memory controller includes a data detection circuit configured to detect, when power is supplied after a sudden power-off (SPO), a lost write sequence index “M” among the plural write sequence indexes, and detect first data corresponding to a write sequence index “M?1” and second data corresponding to a write sequence index “M+1”; a barrier decision circuit configured to determine, based on whether first barrier information of the first data and second barrier information of the second data are identical with each other, whether a barrier request for the first data has been received from a host; and a data recovery operation determination circuit configured to determine whether to perform a recovery operation on target data corresponding to the write sequence index “M+1” and thereafter based on whether the barrier request for the first data has been received.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: May 28, 2024
    Assignee: SK hynix Inc.
    Inventor: Hye Mi Kang
  • Patent number: 11960765
    Abstract: The present technology relates to a storage device. According to the present technology, a memory controller controlling a memory device including a plurality of memory blocks may include an operation controller and a lifetime information controller. The operation controller may control the memory device to receive a write request from a host and perform a write operation on a selected memory block among the plurality of memory blocks. The lifetime information controller may generate lifetime information including a lifetime level of the selected memory block based on an erase and write count of the selected memory block.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: April 16, 2024
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun
  • Patent number: 11941246
    Abstract: Disclosed are a data processing system comprising: a memory system for providing a host with a memory map segment including map pieces; and the host for storing the memory map segment as a host map segment and converting a logical address into a physical address using the host map segment. The memory system stores changed map pieces in a map cache, inserts the changed map pieces in a response to a first command, and provides the host with the response. The host updates the host map segment based on the changed map pieces. When a read command includes a logical address and a physical address, the memory system accesses a memory device using the physical address of the read command according to whether the logical address of the read command is stored in the map cache.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: March 26, 2024
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun
  • Publication number: 20240086318
    Abstract: An electronic device includes a memory system having improved performance. The memory system includes a memory device including memory blocks allocated to zones, a memory controller configured to send, to a host, a request for information on whether to perform a garbage collection operation on a target zone according to a trigger signal for performing a first internal operation, the target zone corresponding to a target memory block on which the first internal operation is to be performed, the target zone being included in the zones, and the host configured to provide the information on whether to perform the garbage collection operation to the memory controller based on information related to the zones, in response to the request. The memory controller determines whether to perform the first internal operation on the target memory block, based on the information on whether to perform the garbage collection operation.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Inventor: Hye Mi KANG
  • Patent number: 11922048
    Abstract: A memory controller for controlling a memory device which stores logical-to-physical (L2P) segments includes a map data storage and a map manager. The map data storage stores a plurality of physical-to-logical (P2L) segments including mapping information between a physical address of the memory device in which write data is to be stored and a logical address received from a host, in response to a write request received from the host. The map manager updates the L2P segments stored in the memory device, based on target P2L segments corresponding to a write command provided to the memory device, which have a higher priority than the other P2L segments among the plurality of P2L segments. Each of L2P segments includes mapping information between a logical address and a physical address of data stored in the memory device.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 5, 2024
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun
  • Publication number: 20230418743
    Abstract: A data storage device may include a storage and a controller. The storage a storage including a first region of a first physical address range and a second region of a second physical address range. The controller may generate map data including a plurality of map segments, a first segment entry and a second segment entry, and store, in the second region, the map data except for a first map segment. Each of the map segments includes a set of physical addresses corresponding to a plurality of sequential logical addresses. The first segment entry includes a first segment physical address associated with the first map segment and belonging to the first physical address range, and the second segment entry includes a second segment physical address associated with a second map segment and belonging to the second physical address range.
    Type: Application
    Filed: September 13, 2023
    Publication date: December 28, 2023
    Inventors: Do Hyung KIM, Chi Heon KIM, Joo Young Lee, Hoe Seung JUNG, Hye Mi KANG
  • Patent number: 11853202
    Abstract: An electronic device includes a memory system having improved performance. The memory system includes a memory device including memory blocks allocated to zones, a memory controller configured to send, to a host, a request for information on whether to perform a garbage collection operation on a target zone according to a trigger signal for performing a first internal operation, the target zone corresponding to a target memory block on which the first internal operation is to be performed, the target zone being included in the zones, and the host configured to provide the information on whether to perform the garbage collection operation to the memory controller based on information related to the zones, in response to the request. The memory controller determines whether to perform the first internal operation on the target memory block, based on the information on whether to perform the garbage collection operation.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: December 26, 2023
    Assignee: SK hynix Inc.
    Inventor: Hye Mi Kang
  • Patent number: 11847332
    Abstract: A data storage apparatus includes storage including a plurality of memory blocks and a controller configured to set an attribute of each of the memory blocks as a random memory block or a sequential memory block, and to manage validity of map data for data stored in each of the memory blocks using a map segment bitmap. The controller configures at least one memory block set by combining a set number of memory blocks, as a housekeeping event is triggered, and selects a victim block set from the at least one memory block set based on continuity of a logical address, or a number of valid map data, or both.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: December 19, 2023
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun
  • Patent number: 11775211
    Abstract: The present technology relates to an electronic device. A memory controller according to the present technology may include a host interface controller, a plurality of buffers, and a memory operation controller. The host interface controller may sequentially generate a plurality of commands based on a request received from a host. The plurality of buffers may store the plurality of commands according to command attributes. The memory operation controller may compare a sequence number of a target command stored in a target buffer among the plurality of buffers with a sequence number of a standby command stored in remaining buffers, and may determine a process of the target command and a process of the standby command based on a comparison. wherein a buffer satisfying a flush condition among the plurality of buffers is selected as the target buffer.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: October 3, 2023
    Assignee: SK hynix Inc.
    Inventor: Hye Mi Kang
  • Patent number: 11775214
    Abstract: Embodiments of the present disclosure relate to a memory system and an operating method thereof. According to the embodiments of the present disclosure, the memory system may fetch a first command from the host into a command queue, suspend execution of the first command when receiving a lock request for the first command from the host, and resume the execution of the first command when receiving an unlock request for the first command or after the first command is suspended for an amount of time corresponding to a suspend time value transmitted together with the lock request.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: October 3, 2023
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun
  • Publication number: 20230305712
    Abstract: A memory controller includes: a program operation controller configured to control a memory device to store data and individual mapping information; a mapping information storage configured to store therein mapping information; a mapping information update controller configured to control the memory device to store the mapping information in a second memory block; perform an update operation of updating the mapping information, and delay, when sequentiality of a predetermined number or more of logical addresses is maintained with respect to the predetermined time, the update operation until the sequentiality is broken; and a Sudden Power Off Recovery (SPOR) controller configured to receive the individual mapping information, recover the mapping information for the data stored in the page during a delay section and provide the recovered mapping information to the mapping information storage.
    Type: Application
    Filed: September 12, 2022
    Publication date: September 28, 2023
    Inventor: Hye Mi KANG
  • Publication number: 20230297248
    Abstract: A memory controller includes a data detection circuit configured to detect, when power is supplied after a sudden power-off (SPO), a lost write sequence index “M” among the plural write sequence indexes, and detect first data corresponding to a write sequence index “M?1” and second data corresponding to a write sequence index “M+1”; a barrier decision circuit configured to determine, based on whether first barrier information of the first data and second barrier information of the second data are identical with each other, whether a barrier request for the first data has been received from a host; and a data recovery operation determination circuit configured to determine whether to perform a recovery operation on target data corresponding to the write sequence index “M+1” and thereafter based on whether the barrier request for the first data has been received.
    Type: Application
    Filed: November 10, 2022
    Publication date: September 21, 2023
    Inventor: Hye Mi KANG
  • Publication number: 20230205689
    Abstract: A data storage device may include a storage and a controller. The storage a storage including a first region of a first physical address range and a second region of a second physical address range. The controller may generate map data including a plurality of map segments, a first segment entry and a second segment entry, and store, in the second region, the map data except for a first map segment. Each of the map segments includes a set of physical addresses corresponding to a plurality of sequential logical addresses. The first segment entry includes a first segment physical address associated with the first map segment and belonging to the first physical address range, and the second segment entry includes a second segment physical address associated with a second map segment and belonging to the second physical address range.
    Type: Application
    Filed: June 24, 2022
    Publication date: June 29, 2023
    Inventor: Hye Mi KANG
  • Patent number: 11567860
    Abstract: A memory system includes a storage medium and a controller. The storage medium includes a plurality of memory regions. The controller stores data corresponding to a write request into a memory region of a random attribute or a memory region of a sequential attribute among the memory regions and to update logical-to-physical (L2P) information corresponding to the stored data, and updates, when storing the data into the memory region of the random attribute, physical-to-logical (P2L) information corresponding to the stored data within a P2L table of the memory region of the random attribute.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: January 31, 2023
    Assignee: SK hynix Inc.
    Inventor: Hye Mi Kang
  • Patent number: 11561725
    Abstract: Embodiments of the present disclosure relate to a system and an operating method thereof. According to embodiments of the present disclosure, a memory system may transmit a first type response indicating that first data has been cached in a cache to the host when receiving a first command requesting to write the first data from the host, and may transmit a second type response indicating success or failure of an operation of storing the first data in the memory device to the host after transmitting the first type response to the host. Further, the host may delete the first data from a write buffer after the operation of storing the first data in the memory device succeeds.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: January 24, 2023
    Assignee: SK hynix Inc.
    Inventors: Hye Mi Kang, Eu Joon Byun