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    • 5. 发明公开
    • 물품 운반 장치 및 방법
    • 其方法及其方法
    • KR1020090060709A
    • 2009-06-15
    • KR1020070127625
    • 2007-12-10
    • 동서대학교산학협력단우원정보기술(주)
    • 조형국이훈재황기현박성진
    • G05D1/12G01S15/88
    • G05D1/0255B62B5/0033G05D1/0223G05D2201/0216G06F21/34G06K19/0723
    • A cart and a method therefore are provided to increase user convenience by tracking the position of a customer having a heavy load through the location of a user terminal. A wireless signal reception module(204) receives a wireless signal from a user terminal(100) and senses the reception signal. A first and a second ultrasonic signal receive modules(206,208) are mounted on both corners of the front of the receiving apparatus, and it receives the ultrasonic signal. A control module(210) detects a distance corresponding to the intensity of received wires signal according to a customer tracking process. The control module detects the phase difference of the ultrasonic signal received in the first and the second ultrasonic signal receive module, and detects a progressive direction corresponding to the phase difference, and then operates a plurality of motors according to a detected distance.
    • 因此,通过跟踪通过用户终端的位置的重负载的客户的位置来提供推车和方法以增加用户便利性。 无线信号接收模块(204)从用户终端(100)接收无线信号并感测接收信号。 第一和第二超声波信号接收模块(206,208)安装在接收设备的前部的两个角上,并接收超声波信号。 根据客户跟踪处理,控制模块(210)检测对应于接收线路信号的强度的距离。 控制模块检测在第一和第二超声波信号接收模块中接收的超声波信号的相位差,并且检测与相位差对应的逐行方向,然后根据检测到的距离操作多个电动机。
    • 8. 发明公开
    • 무선 입력 방법 및 시스템
    • 无线输入方法与系统
    • KR1020100107957A
    • 2010-10-06
    • KR1020090026349
    • 2009-03-27
    • 동서대학교산학협력단우원정보기술(주)
    • 김헌욱이훈재황기현김태용장원태조형국임효택박성진
    • G06F3/01G06F3/0346G06F3/0481
    • G06F13/14G06F3/0231G06F3/041G06F3/046
    • PURPOSE: A selection of an execution program, point information and a wireless input method for inputting text information in a computing system through a portable terminal are provided to easily input the computing terminal by wirelessly inputting mouse operation information, driving program selection information, and ext input information. CONSTITUTION: A computing system transmits resolution information and execution program information(210). If one of pointing information, click information and double click information is inputted, a portable terminal transmits the information(216). If one of selection items of the execution program information is selected, the portable terminal transmits the selection information about the selected execution program information(222). If the text is inputted through a keypad, the portable terminal transmits the text information(228).
    • 目的:提供通过便携式终端在计算系统中输入文本信息的执行程序,点信息和无线输入方法的选择,以便通过无线地输入鼠标操作信息,驱动程序选择信息和分机来轻松地输入计算终端 输入信息。 构成:计算系统传送分辨率信息和执行程序信息(210)。 如果指向信息之一,点击信息和双击信息被输入,则便携式终端发送信息(216)。 如果选择执行程序信息的选择项目之一,则便携式终端发送关于所选择的执行程序信息的选择信息(222)。 如果通过键盘输入文本,则便携式终端发送文本信息(228)。
    • 10. 发明授权
    • 무선통신 비트 오류 최소화를 위한 클럭조절형 랜덤 암호 발생기
    • KR101881143B1
    • 2018-07-24
    • KR1020160123457
    • 2016-09-26
    • 동서대학교산학협력단
    • 이훈재김기환이정규이상곤김태용장원태
    • H04L9/06
    • 본발명은무선통신비트오류최소화를위한클럭조절형랜덤암호발생기에관한것이다. 본발명은, 클럭을제공하는클럭제공부(400b); 클럭제공부(400b)가제공하는클럭에따라출력비트를출력하는제 1 LFSR(100c); 클럭제공부(400b)가제공하는클럭에따라출력비트를출력하는제 2 LFSR(100d); 이전캐리값을제공받아저장하는제 1 비트메모리(200c); 이전메모리상태값을제공받아저장하는제 2 비트메모리(200d); 및제 1 및제 2 LFSR(100c, 100d)의출력비트와제 1 및제 2 비트메모리(200c, 200d)가저장한이전캐리값과이전메모리상태값을제공받아출력키수열및 현재캐리값및 현재메모리상태값을생성하고, 출력키수열은암호로서출력하고현재캐리값및 현재메모리상태값을제 1 및제 2 비트메모리(200c, 200d)로제공하는연산기(300b); 를구비하는무선통신비트오류최소화를위한클럭조절형랜덤암호발생기에있어서, 제 1 LFSR(100c)은, 255 비트의난수발생함수를갖으며, 제 2 LFSR(100d)은, 257 비트의난수발생함수를갖는다. 이에의해, 무작위난수생성을알고리즘을통한무선통신비트오류에대응할수 있는효과를제공한다. 또한, 본발명은, 충분한크기의 LFSR을난수발생에있어서안전한수준의무작위수열을생성할수 있는효과를제공한다. 뿐만아니라, 본발명은, 비선형성을증가시켜상관공격등을통한악의적암호해독을어렵게하도록할 수있는효과를제공한다.