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1. 发明授权

US09973428B2 Method for checking IP address collision of ethernet communication module of PLC 有权
公开(公告)号：US09973428B2
公开(公告)日：2018-05-15
申请号：US15006983
申请日：2016-01-26
申请人： LSIS CO., LTD.
发明人： Hyung Lae Kim
IPC分类号： G06F15/16 , H04L12/741 , H04L29/12
CPC分类号： H04L45/745 , H04L61/103 , H04L61/2046 , H04L61/6022
摘要： A method for checking an IP address collision is provided. The method includes: transmitting an ARP (Access Resolution Protocol) request message by setting an IP address of the PLC Ethernet communication module as a destination; receiving an ARP reply message responding to the ARP request message; determining whether an MAC (Media Access Control) address included in the ARP reply message is identical to an MAC address of the PLC Ethernet communication module; and determining that an IP address collision occurs, when the MAC (Media Access Control) address included in the ARP reply message is not identical to the MAC address of the PLC Ethernet communication module.

2. 发明授权

US09742706B2 Method for setting capacity of buffer 有权
公开(公告)号：US09742706B2
公开(公告)日：2017-08-22
申请号：US14575978
申请日：2014-12-18
申请人： LSIS CO., LTD.
发明人： Hyung Lae Kim
IPC分类号： H04L12/12 , H04L12/861
CPC分类号： H04L49/9005
摘要： The present invention is directed to method for setting capacity of a buffer, the method including an initializing step of initializing a plurality of sub-buffers forming a main buffer, a comparison data reception step of receiving a storage frequency and a remaining capacity from the plurality of sub-buffers and comparing the storage frequency with the remaining capacity, a data comparison step of determining whether a current storage frequency of the plurality of sub-buffers and a past storage frequency are equal, a set capacity calculation step of calculating an allocation capacity of the plurality of sub-buffers, and a capacity re-setting step of re-setting the capacity of the plurality of sub-buffers using the calculated allocation capacity.

3. 发明授权

US08982968B2 Apparatus for converting terminal polarity for R S communication 有权
标题翻译：用于转换R S通信的终端极性的装置
公开(公告)号：US08982968B2
公开(公告)日：2015-03-17
申请号：US14092109
申请日：2013-11-27
申请人： LSIS Co., Ltd.
发明人： Hyung Lae Kim
IPC分类号： H04B3/00 , H04B3/02
CPC分类号： H04B3/02
摘要： An apparatus for converting terminal polarity for RS communication includes a comparator configured to discriminate polarities of a first signal line and a second signal line by comparing voltage levels indicated on the first and second signal lines of a cable for RS-485 communication, a switch unit configured to connect a TRXD+ terminal to the first signal line and connect a TRXD− terminal to the second signal line, or to connect a TRXD+ terminal to the second signal line or connect a TRXD− terminal to the first signal line in response to a provided switch control signal, and a switch controller configured to transmit the switch control signal to the switch unit in response to a polarity discrimination result by the comparator relative to the first signal line and the second signal line.
摘要翻译：用于转换用于RS通信的终端极性的装置包括：比较器，被配置为通过比较用于RS-485通信的电缆的第一和第二信号线上指示的电压电平来区分第一信号线和第二信号线的极性;开关单元配置为将TRXD +端子连接到第一条信号线，并将TRXD端子连接到第二条信号线，或者将TRXD +端子连接到第二根信号线，或者将TRXD端子连接到第一根信号线，以响应所提供的信号开关控制信号，以及开关控制器，被配置为响应于比较器相对于第一信号线和第二信号线的极性判别结果，将开关控制信号发送到开关单元。

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