Patents by Inventor Soo Gang Lee
Soo Gang Lee 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: 10116774Abstract: The present disclosure relates to a hardware protocol stack, and more particularly, to a hardware protocol stack to which a user-defined protocol is applicable. The present disclosure compares header information stored in a register unit with header information of a received frame, and determines a processing of the received frame on the basis of a comparison result. Also, according to a determined frame process method, data of the received frame is processed based on a logic according to the header information, it is stored at a designated position, or a response frame is transmitted.Type: GrantFiled: December 22, 2016Date of Patent: October 30, 2018Assignee: LSIS CO., LTD.Inventors: Soo-Gang Lee, Geon Yoon
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Patent number: 9940276Abstract: Disclosed is a PLC system having a plurality of CPU modules and a control method thereof, wherein the method includes ascertaining a clock signal when a count is a count corresponding to a time slot allocated by a master CPU module, generating a clock signal by accessing to a backplane, and ending generation of clock signal at a time when the access to the backplane ends.Type: GrantFiled: April 8, 2015Date of Patent: April 10, 2018Assignee: LSIS CO., LTD.Inventors: Soo Gang Lee, Dae Hyun Kwon
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Publication number: 20170310793Abstract: The present disclosure relates to a hardware protocol stack, and more particularly, to a hardware protocol stack to which a user-defined protocol is applicable. The present disclosure compares header information stored in a register unit with header information of a received frame, and determines a processing of the received frame on the basis of a comparison result. Also, according to a determined frame process method, data of the received frame is processed based on a logic according to the header information, it is stored at a designated position, or a response frame is transmitted.Type: ApplicationFiled: December 22, 2016Publication date: October 26, 2017Inventors: Soo-Gang LEE, Geon YOON
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Patent number: 9766821Abstract: An access controlling method of a dual port memory system is provided. The method includes: requesting, by a first processor, an access from a dual port memory; and transmitting, by the dual port memory, a result signal according to the access request to the first processor, wherein the result signal includes a first result signal for notifying access success, a second result signal for notifying access failure, and a third result signal for notifying access hold.Type: GrantFiled: January 6, 2016Date of Patent: September 19, 2017Assignee: LSIS CO., LTD.Inventors: Dae Hyun Kwon, Soo Gang Lee
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Publication number: 20160299701Abstract: An access controlling method of a dual port memory system is provided. The method includes: requesting, by a first processor, an access from a dual port memory; and transmitting, by the dual port memory, a result signal according to the access request to the first processor, wherein the result signal includes a first result signal for notifying access success, a second result signal for notifying access failure, and a third result signal for notifying access hold.Type: ApplicationFiled: January 6, 2016Publication date: October 13, 2016Applicant: LSIS CO., LTD.Inventors: DAE HYUN KWON, SOO GANG LEE
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Publication number: 20150293866Abstract: Disclosed is a PLC system having a plurality of CPU modules and a control method thereof, wherein the method includes ascertaining a clock signal when a count is a count corresponding to a time slot allocated by a master CPU module, generating a clock signal by accessing to a backplane, and ending generation of clock signal at a time when the access to the backplane ends.Type: ApplicationFiled: April 8, 2015Publication date: October 15, 2015Applicant: LSIS CO., LTD.Inventors: Soo Gang LEE, Dae Hyun KWON
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Patent number: 8780702Abstract: Disclosed is an adaptive multi-redundant ring network system using a 2 port Ethernet communication module capable of selecting a path, the network system including a main network system including a first main control unit and a plurality of first slaves; and a sub-network system including a second main control unit and a plurality of second slaves, wherein each of the plurality of first slaves and each of the plurality of second slaves include 2-port Ethernet communication modules, and each of the plurality of first slaves, each of the plurality of second slaves, the first slave and the second slave are selectively connected via the 2-port Ethernet communication modules.Type: GrantFiled: January 4, 2012Date of Patent: July 15, 2014Assignee: LSIS Co., Ltd.Inventors: Soo Gang Lee, Young Chan Kwon
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Patent number: 8774058Abstract: Provided is a network system and a method for determining a network path, the network system including a plurality of extension units, each containing dualized basic units and dualized extension Ethernet modules, a first ring network connected by a first basic unit and a plurality of first extension Ethernet modules, and a second ring network connected by a second basic unit and a plurality of second extension Ethernet modules, wherein the first extension Ethernet module or the second extension Ethernet module transmits or receives data along a network path determined by judging, by the first extension Ethernet module or the second extension Ethernet module, if the first ring network is connected to the second extension Ethernet module using an intrinsic number of each extension Ethernet module.Type: GrantFiled: September 14, 2012Date of Patent: July 8, 2014Assignee: LSIS Co., Ltd.Inventors: Soo Gang Lee, Dong Kyu Park
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Patent number: 8705347Abstract: A method for electing a ring manager of ring topology network and a node are disclosed, where, to this end, a node responsible for electing the ring manager periodically requests each node of diagnostic information on packet traffic and receives the diagnostic information on packet traffic from each node, newly elects a node capable of performing a ring manager role, and informs each node of information on the newly elected ring manager, whereby, the ring network can be more effectively operated because the ring manager is elected based on network load status that changes in real time even in the course of a ring network being initially set up and operated responsive to structural conditions including hop count of each nod and MAC node.Type: GrantFiled: April 20, 2011Date of Patent: April 22, 2014Assignee: LSIS Co., Ltd.Inventors: Young Chan Kwon, Soo Gang Lee
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Publication number: 20130246756Abstract: Disclosed is a hardware protocol stack, where header information of analysis-subjected protocol is stored in a register unit, comparison is made whether information recorded in the header of inputted frame mutually matches header information stored in the register unit, and data is extracted as a result of the comparison.Type: ApplicationFiled: March 11, 2013Publication date: September 19, 2013Applicant: LSIS CO., LTD.Inventors: Soo Gang LEE, Dae Hyun KWON
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Publication number: 20130070773Abstract: Provided is a network system and a method for determining a network path, the network system including a plurality of extension units, each containing dualized basic units and dualized extension Ethernet modules, a first ring network connected by a first basic unit and a plurality of first extension Ethernet modules, and a second ring network connected by a second basic unit and a plurality of second extension Ethernet modules, wherein the first extension Ethernet module or the second extension Ethernet module transmits or receives data along a network path determined by judging, by the first extension Ethernet module or the second extension Ethernet module, if the first ring network is connected to the second extension Ethernet module using an intrinsic number of each extension Ethernet module.Type: ApplicationFiled: September 14, 2012Publication date: March 21, 2013Applicant: LSIS CO., LTD.Inventors: Soo Gang LEE, Dong Kyu PARK
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Publication number: 20120188869Abstract: Disclosed is an adaptive multi-redundant ring network system using a 2 port Ethernet communication module capable of selecting a path, the network system including a main network system including a first main control unit and a plurality of first slaves; and a sub-network system including a second main control unit and a plurality of second slaves, wherein each of the plurality of first slaves and each of the plurality of second slaves include 2-port Ethernet communication modules, and each of the plurality of first slaves, each of the plurality of second slaves, the first slave and the second slave are selectively connected via the 2-port Ethernet communication modules.Type: ApplicationFiled: January 4, 2012Publication date: July 26, 2012Applicant: LSIS CO., LTDInventors: Soo Gang LEE, Young Chan KWON
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Publication number: 20110274010Abstract: A method for electing a ring manager of ring topology network and a node are disclosed, where, to this end, a node responsible for electing the ring manager periodically requests each node of diagnostic information on packet traffic and receives the diagnostic information on packet traffic from each node, newly elects a node capable of performing a ring manager role, and informs each node of information on the newly elected ring manager, whereby, the ring network can be more effectively operated because the ring manager is elected based on network load status that changes in real time even in the course of a ring network being initially set up and operated responsive to structural conditions including hop count of each nod and MAC node.Type: ApplicationFiled: April 20, 2011Publication date: November 10, 2011Inventors: Young Chan KWON, Soo Gang LEE
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Patent number: 8001293Abstract: A data relay apparatus for communication module is disclosed, whereby a plurality of normally operative communication modules can perform data communication thereamong by allowing a data relay unit to relay data received by an input/output (I/O) port of an inoperative communication module in a case there is available an inoperative communication module among the plurality of communication modules, in a network configured by connecting the plurality of communication modules having two I/O Ethernet communication ports connected via a line topology.Type: GrantFiled: September 11, 2009Date of Patent: August 16, 2011Assignee: LS Industrial Systems Co., Ltd.Inventors: Soo Gang Lee, Dae Hyun Kwon
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Publication number: 20100169515Abstract: A data relay apparatus for communication module is disclosed, whereby a plurality of normally operative communication modules can perform data communication thereamong by allowing a data relay unit to relay data received by an input/output (I/O) port of an inoperative communication module in a case there is available an inoperative communication module among the plurality of communication modules, in a network configured by connecting the plurality of communication modules having two I/O Ethernet communication ports connected via a line topology.Type: ApplicationFiled: September 11, 2009Publication date: July 1, 2010Inventors: Soo Gang Lee, Dae Hyun Kwon