Patents by Inventor Byungcheol Cho

Byungcheol Cho 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: 9329939
    Abstract: Provided is a two-way RAID controlled storage device of a serial attached small computer system interface/serial advanced technology attachment (SAS/SATA) type, which provides data storage/reading services through a PCI-Express interface. The RAID controller typically includes a plurality of disk mounts coupled disk connect controller, which itself is coupled to a set (e.g., at least one) of PCI-Express SSD memory disk units. In a typical embodiment, the plurality of PCI-Express SSD memory disk units comprising a plurality of volatile semiconductor memories. The RAID controller further comprises a plurality of disk monitoring units coupled to the plurality of disk mounts for monitoring the plurality of PCI-Express memory disk units; a plurality of disk plug and play controllers coupled to the plurality of disk monitoring units. A plurality of high-speed host interfaces are coupled to: the plurality of disk mounts, the plurality of disk monitoring units, and to a plurality of disk controllers.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: May 3, 2016
    Assignee: TAEJIN INFO TECH CO., LTD
    Inventor: Byungcheol Cho
  • Patent number: 9311018
    Abstract: Disclosed is a hybrid storage system, which can include a hybrid RAID controller coupled to a system control board. Coupled to the hybrid RAID controller are a DDR RAID controller and a HDD/Flash RAID controller. A set of DDR RAID control blocks are coupled to the DDR RAID controller, each of the set of DDR RAID control blocks can include a set of DDR memory disks. Further, a set of HDD RAID control blocks are coupled to the HDD/Flash RAID controller, each of the set of HDD RAID control blocks can include a set of HDD/Flash SSD Units.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: April 12, 2016
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 9252985
    Abstract: Embodiments of the present invention provide impedance matching between a Field Programmable Gate Array (FPGA) and memory modules in a semiconductor storage device (SSD) system architecture. Specifically, a set (at least one) of memory modules is coupled to an FPGA. A damping resistor is placed at the impedance mismatching point to reduce signal noise.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: February 2, 2016
    Assignee: TAEJIN INFO TECH CO., LTD
    Inventor: Byungcheol Cho
  • Patent number: 9229816
    Abstract: Provided is a hybrid RAID controller coupled to a system control board. Coupled to the hybrid RAID controller are a DDR RAID controller, a RAM RAID controller, and a HDD/Flash RAID controller. A DDR RAID control block is coupled to the DDR RAID controller and includes (among other things) a set of DDR memory disks. Further, a RAM control block is coupled to the RAM RAID controller and includes a set of RAM SSDs. Still yet, a HDD RAID control block is coupled to the HDD/Flash RAID controller and includes a set of HDD/Flash SSD Units.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: January 5, 2016
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 9207879
    Abstract: Embodiments of the invention provide a RAID controlled SSD-based system having a high-speed, non-volatile host interface. Specifically, in a typical embodiment, a RAID-controlled device is provided that comprises a high-speed host interface that is coupled to a redundant array of independent disks (RAID) controller. The RAID controller itself is coupled to a set of controlled memory units that each comprises: a main controller coupled to cache memory; and a set of SSD memory units (each having a set of blocks of memory) coupled to the main controller.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: December 8, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 9201604
    Abstract: Provided is a RAID controlled storage device of a PCI-Express (PCI-e) type, which provides data storage/reading services through a PCI-Express interface. The RAID controller typically includes a disk mount coupled to a set of PCI-Express SSD memory disk units, the set of PCI-Express SSD memory disk units comprising: a set of volatile semiconductor memories; a disk monitoring unit coupled to the disk mount for monitoring the set of PCI-Express memory disk units; a disk plug and play controller coupled to the disk monitoring unit and the disk mount for controlling the disk mount; a high speed host interface coupled to the disk monitoring unit and the disk mount for providing high-speed host interface capabilities; a disk controller coupled to the high speed host interface and the disk monitoring unit; and a host interface coupled to the disk controller.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: December 1, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 9176670
    Abstract: Embodiments of the present invention provide a semiconductor storage device (SSD) system based on asymmetric RAID storage. Specifically, embodiments of this invention provide a set of (at least one) of RAID controllers coupled to a host computer. A set of storage drives is coupled to each asymmetric RAID controller. The RAID method and configuration of each storage device are dynamically adapted based on user policy parameters and storage performance characteristics.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: November 3, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventors: Byungcheol Cho, Moon J. Kim
  • Patent number: 9098423
    Abstract: Embodiments of the present invention provide an adaptive cache system and an adaptive cache system for a hybrid storage system. Specifically, in a typical embodiment, an input/out (I/O) traffic analysis component is provided for monitoring data traffic and providing a traffic analysis based thereon. An adaptive cache algorithm component is coupled to the I/O traffic analysis component for applying a set of algorithms to determine a storage schema for handling the data traffic. Further, an adaptive cache policy component is coupled to the adaptive cache algorithm component.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: August 4, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8990494
    Abstract: In general, embodiments of the present invention provide a home storage system and method of production. Specifically, in a typical embodiment, the home storage system includes a main controller that is coupled to a display controller, an external memory controller, an external interface, and a PCI-Express-based hybrid RAID controller. Further, a set of semiconductor storage device (SSD) memory units and a set of hard disk drive (HDD/Flash) memory units are coupled to the hybrid RAID controller. The external interface allows the storage system to establish network connectivity, while the external memory controller allows the storage device to be coupled to different types of external memory devices.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: March 24, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8954798
    Abstract: Embodiments of the present invention provide backup and restoration functions for a storage device of a PCI-Express (PCI-e) type that support a low-speed data processing speed for a host. Specifically, embodiments of this invention provide backup and restoration functions for one or more (i.e., a set of) semiconductor storage devices (SSDs). In general, the present invention provides an alarm unit and a secondary power supply coupled to a backup controller. The backup controller is coupled to a backup storage device. When a primary power supply is deactivated (e.g., fails), an alarm unit and the secondary power supply is activated. In response to this activation, the backup controller will backup any data stored on any SSDs of the storage system (as well as any data stored in main memory of the storage system or in main memory of any host server connected thereto).
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: February 10, 2015
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8924630
    Abstract: Embodiments of the present invention provide a SSD-based high-speed cache storage system. Specifically, in a typical embodiment, a network cache component (NCC) is coupled to a high-speed cache storage pool (HCSP). The NCC generally comprises: a set of semiconductor storage device (SSD) memory disk units for storing data; a network cache controller coupled to the set of SSD memory units; a network traffic analysis component coupled to the network cache controller; a network interface coupled to the network traffic analysis component; a general storage controller coupled to the network cache controller; and a general storage interface coupled to the general storage controller. Moreover, the HCSP typically comprises a cache server, an internal interface, and a general storage system coupled to one another.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: December 30, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8904104
    Abstract: The present invention relates to semiconductor storage systems (SSDs). Specifically, the present invention relates to a hybrid storage system with a mid-plane. In a typical embodiment, a mid-plane is provided. Coupled to one side of the mid-plane is a system control board and a communications module having a set (at least one) of ports. Coupled to a second side of the mid-plane is (among other components) a first RAID controller, which itself is coupled to a double data rate semiconductor storage device (DDR SSD) module having a set of DDR SSD units. Also coupled to the second side of the mid-plane is a second RAID controller, which itself is coupled to a hard disk drive (HDD) module having a set of HDD/Flash SDD units.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: December 2, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8862817
    Abstract: The present invention relates to semiconductor storage systems (SSDs). Specifically, the present invention relates to a switch-based hybrid storage system. In a typical embodiment, a first RAID controller is coupled to a system control board, and a double data rate semiconductor storage device (DDR SSD) module is coupled to the first RAID controller. The DDR SSD module typically includes a set of DDR SSD units. Also coupled to the system control board are a first switch and a second switch. A second RAID controller is coupled to the first switch, while a hard disk drive (HDD) module coupled to the second RAID controller. The HDD module typically includes a set of HDD/Flash SDD units. Also coupled to the second switch is a communications module having a set (at least one) of ports.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: October 14, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8839024
    Abstract: Embodiments of the invention provide a device and method for warm booting whereby data restoration occurs at the powering-on of the host, and can therefore be performed by the boot disk. Specifically, when the system is powered on, a backup controller will send a notification to a DMA controller indicating the data restoration is needed. The backup controller will automatically resorts contents of a backup storage device to main memory. During the process, when the host requests data, the DMA controller reads the data from the backup storage unit and sends it to the host. Then, once data restoration is complete, normal operations can commence.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: September 16, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8819316
    Abstract: Provided is a two-way RAID controlled storage device of a serial attached small computer system interface/serial advanced technology attachment (PCI-Express) type, which provides data storage/reading services through a PCI-Express interface. The RAID controller typically comprises multiple sets of RAID equipment coupled to one another via a hardware host connect, an adaptive host interface controller, a host connect controller, a two-way RAID controller, a disk connect controller, an adaptive disk mount controller, and a hardware disk connect. Coupled to the hardware disk connect are a set of DDR, SSD memory disk units. Further, each set of RAID equipment typically comprises a programmable host interface unit, a disk controller, a high speed host interface, a disk monitoring unit, a disk plug and play controllers, and a programmable disk mount.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: August 26, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Patent number: 8745294
    Abstract: Embodiments of the present invention provide an approach for dynamic random access memory (DRAM)/SSD-based memory to improve memory usage. Specifically, embodiments of the present invention provide a field programmable gate array (FPGA) (SSD controller) that comprises a PCI-express interface for receiving and converting serial data to 64 bit data; a data/bit converter coupled to the interface for converting the 64 bit data to 128 bit data; and a memory controller coupled to the data converter for receiving and storing the 128 bit data in a set of DRAM units coupled to the memory controller.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: June 3, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho
  • Publication number: 20140129788
    Abstract: An open architecture is provided for enabling at least two memory types for a single memory disk unit. The memory disk unit includes an interface and a DMA controller. The DMA controller controls the transfer of data to/from memory of at least two memory types of the memory disk unit through a hybrid memory control module. A corresponding memory controller (and in some cases, an ECC controller) is provided for each memory of the at least two memory types. The hybrid memory control architecture can control existing memory controllers by matching protocols for the particular memory controller. Address/memory commands and signal timing can be matched up to the appropriate controller by the hybrid memory control architecture.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 8, 2014
    Applicant: TAEJIN INFO TECH CO., LTD.
    Inventor: Byungcheol CHO
  • Publication number: 20140129751
    Abstract: A system and hybrid interface for high-performance memory-based storage devices are disclosed. The hybrid interface includes a polling interface and interrupt interface that are selected by a consideration of latency and CPU usage for a particular request to the storage device.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 8, 2014
    Applicant: TAEJIN INFO TECH CO., LTD.
    Inventor: Byungcheol CHO
  • Publication number: 20140129765
    Abstract: Data back-up and recovery methods for DRAM SSDs and other high performance disks are provided. During operation, write events to the DRAM SSD are asynchronously backed-up onto a back-up HDD storage disk from an in-memory buffer. Should a DRAM SSD failure occur, the system can continue to operate, albeit at a lower performance, using the back-up HDD storage disk. Should the main power fail, data remaining in the in-memory buffer is flushed to the back-up HDD storage disk and writing events that did not make it to the in-memory buffer due to insufficient space are incrementally backed-up from the DRAM SSD to the secondary storage. Once power returns from the main power, data from the back-up storage disk and the secondary storage are transferred to the DRAM SSD.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 8, 2014
    Applicant: TAEJIN INFO TECH CO., LTD.
    Inventor: Byungcheol CHO
  • Patent number: 8635494
    Abstract: Provided is a RAID controlled storage device of a PCI-Express (PCI-e) type, which provides data storage/reading services through a PCI-Express interface. The RAID controller typically includes a disk mount coupled to a set of PCI-Express SSD memory disk units, the set of PCI-Express SSD memory disk units comprising a set of volatile semiconductor memories; a disk monitoring unit coupled to the disk mount for monitoring the set of PCI-Express memory disk units; a disk plug and play controller coupled to the disk monitoring unit and the disk mount for controlling the disk mount; a high speed host interface coupled to the disk monitoring unit and the disk mount for providing high-speed host interface capabilities; a disk controller coupled to the high speed host interface and the disk monitoring unit; and a host interface coupled to the disk controller.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: January 21, 2014
    Assignee: Taejin Info Tech Co., Ltd.
    Inventor: Byungcheol Cho