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公开(公告)号：KR100348904B1
公开(公告)日：2002-08-14
申请号：KR1019990062394
申请日：1999-12-27
Applicant: 한국전자통신연구원
IPC: H04L12/43
Abstract: 본발명은 155.520Mbps급 STM-1 디지털전송시스템용상용계측기에적용하여사용할수 있는의사랜덤수열발생기및 패턴송/수신기능을위한정합장치에관한것이다. 디지털전송시스템에서전송로상태나전송장비의상태를검사하기위한전송장비용계측기에는의사랜덤발생기능이기본적으로실장되는데본 발명에서는일반적인의사랜덤발생기에저속의범용프로세서와 STM-1 선로정합칩으로구성되는정합장치를제안함으로써, 의사랜덤수열발생을제어하고, 전송로로부터입력되는 STM-1 신호의유료부하(Payload) 데이터나오버헤드(Overhead) 데이터를선택적으로삽입/추출할수 있으며, 임의로원하는데이터를삽입하여송/수신할수 있다. 일반적으로 LFSR(Linear Feedback Shift Register)로구성되는의사랜덤발생기에본 발명을이용하면 STM-1급전송로에적용할수 있는 STM-1용전송계측장비의의사랜덤발생제어기능과 STM-1 신호발생및 송수신기능등 주요기능을경제적으로실현할수 있다.
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公开(公告)号：KR100324207B1
公开(公告)日：2002-02-16
申请号：KR1019990062465
申请日：1999-12-27
Applicant: 한국전자통신연구원
IPC: H04M1/253
Abstract: 본발명은음성압축기능과사용자인터페이스기능을갖는디지털휴대전화기를유선통신망에적용하기위한것으로서, 프레임처리기능과공중망접속기능을갖는정합장치와, 이정합장치를이용한공중망전화통신방법에관한것이다. 이러한정합장치는, 정합모듈과, 상기디지털휴대전화기에장착된접속포트를포함하며, 상기정합모듈은, 상기디지털휴대전화기의접속포트와접속되어압축된음원부호가입력되는정합모듈의접속포트와, 상기압축된음원부호를프레임처리하는프레임처리부, 상기프레임처리된음성데이터를변조하는변복조부, 및상기변조된음성신호를상기공중전화망으로전송하는회선정합부를포함한다. 또한이러한정합장치를이용한공중망전화통신방법은, 발신측디지털휴대전화기가압축된음원부호를발생하는제 1 단계와, 상기발신측디지털휴대전화기에접속된정합모듈이상기압축된음원부호를입력받아프레임처리하고변조하여상기공중전화망을통해착신측으로전송하는제 2 단계, 착신측정합모듈이상기발신측정합모듈로부터전송된음성데이터를복조하고프레임복원하는제 3 단계, 및상기착신측정합모듈과접속된디지털휴대전화기가상기복원된음성데이터를음성신호로복원하여송출하는제 4 단계를포함한다.
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公开(公告)号：KR1020010064244A
公开(公告)日：2001-07-09
申请号：KR1019990062394
申请日：1999-12-27
Applicant: 한국전자통신연구원
IPC: H04L12/43
CPC classification number: H04J3/1617 , H04J3/085
Abstract: PURPOSE: An interface device for counter of an STM(Synchronous Transfer Mode) transmission system is provided to use a universal processor and an STM-1 line interface chip to a pseudo random sequence generator. CONSTITUTION: An STM(Synchronous Transfer Mode)-1 line interface chip(11) separates payload and over head data from an STM-1 signal for outputting. The STM-1 line interface chip(11) generates various frame arranging signals. A pseudo random sequence generator(13) generates a pseudo random sequence according to applied clocks. An interface circuit(14) uses the frame arranging signals, and inserts/extracts the payload and the over head data from the STM-1 signal. A universal processor(12) controls the STM-1 line interface chip(11), the pseudo random sequence generator(13) and the interface circuit(14). The universal processor(12) changes a function of the interface circuit(14) and a pattern of the pseudo random sequence generator(13) according to input states of a user, and performs a control function for inserting/extracting data.
Abstract translation: 目的：提供STM（同步传输模式）传输系统的计数器的接口设备，以将通用处理器和STM-1线路接口芯片用于伪随机序列发生器。 构成：STM（同步传输模式）-1线路接口芯片（11）将有效载荷和头部数据与STM-1信号分离以进行输出。 STM-1线路接口芯片（11）产生各种帧排列信号。 伪随机序列发生器（13）根据应用的时钟产生伪随机序列。 接口电路（14）使用帧排列信号，并插入/提取来自STM-1信号的有效负载和过头数据。 通用处理器（12）控制STM-1线路接口芯片（11），伪随机序列发生器（13）和接口电路（14）。 通用处理器（12）根据用户的输入状态改变接口电路（14）的功能和伪随机序列发生器（13）的模式，并且执行用于插入/提取数据的控制功能。
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公开(公告)号：KR1020010058249A
公开(公告)日：2001-07-05
申请号：KR1019990062465
申请日：1999-12-27
Applicant: 한국전자통신연구원
IPC: H04M1/253
Abstract: PURPOSE: An interface unit between a digital cellular phone and a public network, and a public-network telecommunication method using the unit, are provided to prevent a wire tap on a public telephone network, by using the interface unit in which a data frame processing function and a public-network connection function are included. CONSTITUTION: A Vocoder(202) codes the voice inputted via a microphone in order to generate compressed sound sources. The compressed sound sources are transmitted and received via an RF(Radio Frequency) modem(201). The interface unit includes a digital cellular phone connection port(204), a frame process part(206), a control processor(205), a modem chip-set(207) and a line interface part(208). A sound code is inputted via the cellular phone connection port(204) when a safe wired communication mode is selected. The sound code is processed by the frame process part(206) under the control of the control processor(205), and then is inputted into the modem chip-set(207). The modem chip-set(207) modulates an input signal, and then transmits it to a PSTN network(209) via the line interface part(208).
Abstract translation: 目的：提供数字蜂窝电话和公共网络之间的接口单元以及使用该单元的公共网络电信方法，以通过使用其中数据帧处理的接口单元来防止公共电话网络上的有线窃听 功能和公共网络连接功能。 构成：声码器（202）对通过麦克风输入的声音进行编码，以产生压缩声源。 压缩声源通过RF（射频）调制解调器（201）发送和接收。 接口单元包括数字蜂窝电话连接端口（204），帧处理部分（206），控制处理器（205），调制解调器芯片组（207）和线路接口部分（208）。 当选择安全有线通信模式时，通过蜂窝电话连接端口（204）输入声码。 在控制处理器（205）的控制下，由帧处理部（206）处理声音码，然后输入到调制解调器芯片组（207）。 调制解调器芯片组（207）调制输入信号，然后经由线路接口部分（208）将其发送到PSTN网络（209）。
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公开(公告)号：KR1019980050954A
公开(公告)日：1998-09-15
申请号：KR1019960069802
申请日：1996-12-21
Applicant: 한국전자통신연구원
IPC: H04K1/00
Abstract: 1. 청구범위에 기재된 발명이 속한 기술분야
비트 평면 변환을 이용한 그레이(Gray) 레벨 영상 암호화 장치.
2. 발명이 해결하려고 하는 기술적 과제
2차원 영상을 이진수 값으로 표현되는 비트 평면으로 변환하는 방법을 사용하여 암호화하고자 함.
3. 발명의 해결방법의 요지
2차원 영상은 그레이(Gray) 레벨 형태를 지니므로 암호화 키인 이진수 값의 키 수열 데이타와 XOR(Exclusive OR)연산을 사용하여 암호화하는데는 문제가 있으므로 본 발명에서는 그레이 레벨 영상을 이진수 값을 갖는 비트 평면으로 변환하여 XOR연산으로 암호화하는 방법을 제안하였다. 구현 예를 위하여 광학 소자인 SLM(Spatial Light Modulator: 공간 광변조기)중 하나인 LCD(Liquid Crystal Device)를 사용하여 암호화 키 수열 데이타 및 2차원 영상의 비트 평면 영상을 2차원 광 신호로 표현하였고, 암호화 키 수열 데이타와 비트 평면 영상과의 XOR 연산을 위하여 입력 영상을 다중 생성하는 Lenslet 어레이를 사용하였다.
4. 발명의 중요한 용도
2차원 영상 저장장치와 영상정보를 사용하는 네트웍에 이용됨.-
Patent Agency Ranking
公开(公告)号：KR1019970002401B1
公开(公告)日：1997-03-05
申请号：KR1019940005783
申请日：1994-03-22
Applicant: 한국전자통신연구원
IPC: G06F11/08
Abstract: The error detecting/correcting device on a digital system bus has first and second error detecting and correcting circuits(22),(24) which are connected to each other via the address, data and control signal bus and are provided to detect errors if first and second digital systems(21),(25) send data together with the check bit of the data, by using the received data and the check bit and if any error is detected, to correct the error.
Abstract translation: 数字系统总线上的误差检测/校正装置具有通过地址，数据和控制信号总线相互连接的第一和第二错误检测和校正电路（22），（24），并且被提供以检测第一 和第二数字系统（21），（25）通过使用接收到的数据和检查位以及如果检测到任何错误来发送数据与数据的校验位一起来校正误差。
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公开(公告)号：KR101447553B1
公开(公告)日：2014-10-13
申请号：KR1020130129953
申请日：2013-10-30
Applicant: 한국전자통신연구원
Abstract: The invention relates to a multi-band GNSS fixed pattern antenna device which may correspond to an interference signal with a space filtering by optimizing a radiation pattern of an antenna. The multi-band GNSS fixed pattern antenna device includes: a broadband antenna radiator to receive at least two or more kinds of GNSS signal; and a plurality of partition walls surrounding the center of the antenna radiator, wherein a height and a distance of the partition walls are independent of a frequency of the signal to be blocked.
Abstract translation: 本发明涉及一种多频带GNSS固定模式天线装置，其可以通过优化天线的辐射图来对应于具有空间滤波的干扰信号。 多频带GNSS固定模式天线装置包括：宽带天线辐射器，用于接收至少两种或更多种GNSS信号; 以及围绕天线辐射体的中心的多个分隔壁，其中隔壁的高度和距离与要阻挡的信号的频率无关。
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公开(公告)号：KR101436910B1
公开(公告)日：2014-09-11
申请号：KR1020130153716
申请日：2013-12-11
Applicant: 한국전자통신연구원
IPC: H05K9/00
Abstract: The present invention relates to an electromagnetic shielding rack. More particularly, the present invention relates to an electromagnetic shielding rack which prevents the breakage and the malfunction of internal equipment due to an external electromagnetic wave when computation and communication equipment are installed in a computer room environment and prevents an electromagnetic wave generated in a shield rack from being leaked to the outside. For this, the present invention includes a shield rack which has a first door which is assembled with outer panels which form a receiving part inside - the outer panels are electrically connected to each other -, and allows one of the outer panels to be opened/closed, and a second door which allows at the other of the outer panels to be opened/closed, porous holes which penetrate at least one of the outer panels which form the shield rack, and a penetration wave guide which has a first penetration hole which penetrates at least one of the outer panels which forms the shield rack, and protrudes from the outer edge of the first penetration hole to the receiving part.
Abstract translation: 本发明涉及电磁屏蔽架。 更具体地说，本发明涉及一种电磁屏蔽架，当计算机和通信设备安装在计算机室环境中时，防止内部设备由于外部电磁波而导致的破损和故障，并防止屏蔽架产生的电磁波 从泄漏到外面。 为此，本发明包括一个屏蔽架，其具有第一门，该第一门与外部面板组装，外部面板形成一个接收部分，外部面板彼此电连接，并允许一个外部面板被打开/ 关闭，并且允许在另一个外板打开/关闭的第二门，穿透形成屏蔽架的外板中的至少一个的多孔，以及具有第一穿孔的穿透波导， 穿透形成屏蔽架的至少一个外板，并且从第一贯通孔的外边缘突出到接收部。
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公开(公告)号：KR101345748B1
公开(公告)日：2013-12-30
申请号：KR1020120138410
申请日：2012-11-30
Applicant: 한국전자통신연구원
CPC classification number: G01S3/40
Abstract: A device and method capable of intuitively estimating the generating position of a radio frequency signal emitted from an arbitrary transmission device while being held by a user in a room spaced are provided. The presented device comprises: an antenna which receives the radio frequency signal; an electronic compass which produces an oriented direction and oriented angle information corresponding to the change of the oriented direction of the antenna; a controller which determines reception signal strength values according to the oriented direction of the antenna based on a reception signal of the antenna according to the oriented direction change of the antenna and the information of the electronic compass and extracts a maximum reception signal strength value among the reception signal strength values according to the oriented direction and stores the maximum reception signal strength value and the oriented direction corresponding to the same; and a display part which displays the reception signal strength values according to the oriented direction by the control of the controller and the trace of the reception signal strength values according to the oriented direction. [Reference numerals] (32) Directional antenna;(34) Electronic compass;(36) Mode setting unit;(38) Communication unit;(40,58) Display part;(42,56) Controller;(44) Power unit;(52) RF receiving unit;(54) Digital signal processing unit
Abstract translation: 提供了一种能够直观地估计在由空间间隔中由用户保持的任意传输装置发射的射频信号的产生位置的装置和方法。 所呈现的设备包括：接收射频信号的天线; 电子罗盘，其产生对应于天线的定向方向的变化的定向方向和定向角度信息; 控制器，根据天线的定向方向改变和电子罗盘的信息，基于天线的接收信号，根据天线的定向方向确定接收信号强度值，并提取最大接收信号强度值 根据定向方向接收信号强度值，并存储最大接收信号强度值和与之相对应的取向方向; 以及显示部，其通过控制器的控制和根据取向的方向的接收信号强度值的轨迹，根据定向方向显示接收信号强度值。 （32）定向天线;（34）电子罗盘;（36）模式设定单元;（38）通信单元;（40,58）显示部分;（42,56）控制器;（44）电源单元; （52）RF接收单元;（54）数字信号处理单元
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