公开(公告)号：KR1020050015733A

公开(公告)日：2005-02-21

申请号：KR1020030054678

申请日：2003-08-07

Applicant: 한국전기연구원

Inventor： 박양하 ,  오상기 ,  허영

IPC: H01S3/0941

CPC classification number: H01S3/0941 ,  A61B5/0066 ,  A61B2090/3735 ,  H01S5/0427

Abstract: PURPOSE: An impulse generation apparatus for driving a laser diode is provided to simplify a composition and obtain resolution below 10 micrometers by using an SRD(step recovery diode) to generate a picosecond impulse with low output. CONSTITUTION: A trigger signal input part(100) receives a trigger signal from the outside in order to generate an impulse signal for driving a laser diode. An impulse generator(110) is used for generating the impulse signal for driving the laser diode by using the received trigger signal. An impulse shaping circuit(120) is used for shaping the impulse signal. A laser diode drive circuit(130) is used for driving the laser diode to the shaped impulse signal to the laser diode.

Abstract translation: 目的：提供用于驱动激光二极管的脉冲发生装置，以通过使用SRD（步骤恢复二极管）来产生低输出的皮秒脉冲来简化组成并获得低于10微米的分辨率。 构成：触发信号输入部分（100）从外部接收触发信号，以产生用于驱动激光二极管的脉冲信号。 脉冲发生器（110）用于通过使用接收的触发信号产生用于驱动激光二极管的脉冲信号。 脉冲整形电路（120）用于整形脉冲信号。 激光二极管驱动电路（130）用于将激光二极管驱动到激光二极管的成形脉冲信号。

公开(公告)号：KR100470029B1

公开(公告)日：2005-02-05

申请号：KR1020020067958

申请日：2002-11-04

Applicant: 한국전기연구원

Inventor： 박양하 ,  오상기 ,  김요희

IPC: H04B1/04

Abstract: PURPOSE: A wireless communication transmitting device by an on-off keying modulation scheme is provided to reduce a transmission consumption power and transmit high-speed data by using a super wide band characteristic of a Gaussian monocycle pulse. CONSTITUTION: A Gaussian monocycle generator(1) generates a super wide band pulse having a uniform interval. A binary random data generator(2) generates binary random data. A switch(3), controlled by the binary random data generated in the binary random data generator(2), performs the on-off keying modulation of the periodical pulse generated in the Gaussian monocycle generator(1). A BPF(Band Pass Filter)(4) limits a bandwidth of the modulated Gaussian monocycle pulse. An amplifier(4) amplifies the output of the BPF(4). An antenna(6) emits the amplified signal.

Abstract translation: 目的：提供一种通过开关键控调制方案的无线通信发射装置，以通过使用高斯单脉冲脉冲的超宽带特性来降低发射功率并发射高速数据。 构成：高斯单周期发生器（1）产生具有均匀间隔的超宽带脉冲。 二进制随机数据生成器（2）生成二进制随机数据。 由在二进制随机数据发生器（2）中产生的二进制随机数据控制的开关（3）执行在高斯单周期发生器（1）中产生的周期性脉冲的开关键控调制。 BPF（带通滤波器）（4）限制调制高斯单脉冲脉冲的带宽。 放大器（4）放大BPF（4）的输出。 天线（6）发射放大的信号。

公开(公告)号：KR100442123B1

公开(公告)日：2004-07-30

申请号：KR1020010069991

申请日：2001-11-10

Applicant: 한국전기연구원

Inventor： 박양하 ,  허영 ,  진승오

IPC: G01N24/08

Abstract: PURPOSE: An analyzing system of a nuclear magnetic resonance analyzer is provided to precisely analyze a state of material and to activate a non-destruction diagnosis industrial field by utilizing a nuclear magnetic resonance analyzer of 200MHz. CONSTITUTION: An analyzing system includes an analyzing computer, a system controller, an RF modulating section(203), an RF power amplifying section, an RF probe, a pre-amplifier and an RF demodulating section. The system controller includes a pulse program capable of executing a pulse sequence with precise timing. The system controller generates a waveform having low noise and transmits the waveform into the RF modulating section(203). The RF modulating section(203) modulates an RF pulse and transfers the modulated RF pulse to the RF power amplifying section. The RF probe detects a nuclear magnetic resonance signal and transfers the nuclear magnetic resonance signal to the pre-amplifier.

Abstract translation: 目的：提供一种核磁共振分析系统，以精确分析物质的状态，并利用200MHz的核磁共振分析仪激活非破坏性诊断工业领域。 一种分析系统，包括分析计算机，系统控制器，RF调制部分（203），RF功率放大部分，RF探头，前置放大器和RF解调部分。 系统控制器包括能够执行具有精确定时的脉冲序列的脉冲程序。 系统控制器产生具有低噪声的波形并将该波形发送到RF调制部分（203）。 RF调制部分（203）调制RF脉冲并将调制的RF脉冲传送到RF功率放大部分。 RF探针检测核磁共振信号并将核磁共振信号传送到前置放大器。

公开(公告)号：KR1020000065808A

公开(公告)日：2000-11-15

申请号：KR1019990012502

申请日：1999-04-09

Applicant: 한국전기연구원

Inventor： 김관호 ,  박양하 ,  윤동기 ,  김창일 ,  최춘권 ,  김쌍우

IPC: H04L29/00

Abstract: PURPOSE: A radio data recognition system and a radio data communication control method using the radio data recognition system are provided to reduce a power consumption, ensure a sufficient communication distance, and to make a circuit simple by using a response unit having a micro-reflection wave as active type. CONSTITUTION: A data recognition system includes a questioning device, and an answering device. The questioning device includes a question signal generator/transmitter(110), a response signal receiving/processing part(130), a first microprocessor(150). The answering device includes a questioning signal receiving/processing part(230,240), a distributor(220), a second microprocessor(250), and response signal generator/transmitter(260,270). The part(110) generates/transmits a questioning data and a questioning signal having a micro carrier wave. The response signal receiving/processing part(130) receives a response signal having the carrier wave and the response data, and converts it to a signal for a data processing. The first microprocessor(150) stores a processed data, and transmits it to the external control device. The part(230,240) receives the questioning signal, and converts it to a signal for a data processing. The distributor(220) distributes a micro carrier wave of the received questioning signal in order to use the micro carrier wave as a receiving recognition signal and a reflective signal for transmission, and separates a receiving path from a transmission path. The second microprocessor(350) converts a power-down mode to a low power mode state after receiving the receiving recognition signal. and outputs the response data according to a questioning data of the part(230,240). The response signal generator/transmitter(260,270) generates/transmits a response signal having the response data and the reflection wave.

Abstract translation: 目的：提供使用无线电数据识别系统的无线电数据识别系统和无线电数据通信控制方法，以减少功耗，确保足够的通信距离，并且通过使用具有微反射的响应单元使电路简单化 波作为活动型。 构成：数据识别系统包括询问装置和应答装置。 询问装置包括问题信号发生器/发送器（110），响应信号接收/处理部件（130），第一微处理器（150）。 应答设备包括询问信号接收/处理部分（230,240），分配器（220），第二微处理器（250）和响应信号发生器/发送器（260,270）。 部分（110）产生/发送具有微载波的询问数据和询问信号。 响应信号接收/处理部分（130）接收具有载波和响应数据的响应信号，并将其转换为用于数据处理的信号。 第一微处理器（150）存储经处理的数据，并将其发送到外部控制装置。 部分（230,240）接收询问信号，并将其转换为用于数据处理的信号。 分配器（220）分配接收到的询问信号的微载波，以便使用微载波作为接收识别信号和用于传输的反射信号，并将接收路径与传输路径分开。 第二微处理器（350）在接收到接收识别信号之后将掉电模式转换为低功率模式状态。 并根据部分（230,240）的询问数据输出响应数据。 响应信号发生器/发送器（260,270）产生/发送具有响应数据和反射波的响应信号。

公开(公告)号：KR1020070071900A

公开(公告)日：2007-07-04

申请号：KR1020050135742

申请日：2005-12-30

Applicant: 한국전기연구원

Inventor： 박양하 ,  김종욱 ,  장원석 ,  김현숙 ,  최해영

IPC: A61B6/00 ,  B82Y30/00

Abstract: A phase-contrasted X-ray diagnosis system using carbon nano tube micro-focusing is provided to increase spatial resolution by reducing focus of an X-ray, by using an X-ray tube based on a carbon nano tube of a concave cathode structure, instead of a filament of X-ray. A triode X-ray tube(101) comprises a carbon nano tube cathode part(105) of a concave structure having a focus of several tens of micrometers, and a gate part inducing electron emission, and an anode part(106) generating X-rays by collision of electrons. An X-ray detector(111) is installed on a propagation path of the X-ray generated from the anode part of the X-ray tube vertically to the propagation direction of the X-ray to be separated from the X-ray tube, and detects the X-ray passing through a sample.

Abstract translation: 提供使用碳纳米管微聚焦的相位对比X射线诊断系统，通过使用基于凹阴极结构的碳纳米管的X射线管，通过减少X射线的焦点来增加空间分辨率， 而不是X射线的细丝。 三极管X射线管（101）包括具有数十微米的焦点的凹陷结构的碳纳米管阴极部分（105）和诱导电子发射的栅极部分，以及产生X-射线管的阳极部分（106） 通过电子碰撞射线。 X射线检测器（111）安装在从与X射线管分离的X射线的传播方向垂直于X射线管的阳极部分产生的X射线的传播路径上， 并检测通过样品的X射线。

公开(公告)号：KR100559769B1

公开(公告)日：2006-03-10

申请号：KR1020030054678

申请日：2003-08-07

Applicant: 한국전기연구원

Inventor： 박양하 ,  오상기 ,  허영

IPC: H01S3/0941

Abstract: 본 발명에 따른 레이저 다이오드 구동용 임펄스 발생장치는, 레이저 다이오드 구동을 위한 임펄스 신호의 발생을 위해 외부로부터의 트리거 신호의 입력을 위한 트리거 신호 입력부; 입력된 트리거 신호를 바탕으로 레이저 다이오드의 구동을 위한 임펄스 신호를 발생하는 임펄스 발생부; 임펄스 발생부로부터 발생된 임펄스 신호를 정형화하는 임펄스 정형회로; 및 임펄스 정형회로를 거친 임펄스 신호가 레이저 다이오드에 공급될 수 있도록 레이저 다이오드를 구동하는 레이저 다이오드 구동회로를 포함하여 구성된다.
이와 같은 본 발명에 의하면, SRD를 이용하여 저출력의 피코초급 임펄스를 발생함으로써 10㎛ 이하의 해상도를 얻을 수 있고, 구성이 간단하며, 제작 비용이 저렴한 장점이 있다. 또한,광을 이용한 생체 진단 기술분야에 광범위하게 응용될 수 있는 장점이 있다.
레이저 다이오드, OCT, 임펄스, SRD

公开(公告)号：KR1020030040854A

公开(公告)日：2003-05-23

申请号：KR1020010071441

申请日：2001-11-16

Applicant: 한국전기연구원

Inventor： 박양하 ,  허영 ,  이재덕 ,  박진남

IPC: H04B1/40

Abstract: PURPOSE: A circuit of generating a local signal for a wireless communication device is provided to use a Gaussian monocycle oscillator during narrowband RF and microwave communication, and to use ultrawideband properties of a pulse, thereby solving multipath fading, multipath time delay, jamming, and signal interferences. CONSTITUTION: A square wave oscillator(10) generates a square wave. A non linear transmission line unit(20) generates pulses on a rising edge and a falling edge only of the generated square wave. A differential circuit(30) differentiates generated pulse signals. An amplifier(40) amplifies outputs of the differentiated signals. The non linear transmission line unit(20) comprises as follows. One end of the first inductor(L1) is connected to a collector of a transistor(Q1). One end of the second inductor(L2) is connected to the other end of the first inductor(L1). The first varactor diode(D1) is connected between common connection points of the first and the second inductors(L1,L2) and a ground. The second varactor diode(D2) is connected between the common connection points of the first and the second inductors(L1,L2) and the other end of the second inductor(L2). A resistance(R2) is connected between common connection points of the second inductor(L2) and the second varactor diode(D2) and the ground.

Abstract translation: 目的：提供一种产生无线通信设备的本地信号的电路，以便在窄带RF和微波通信期间使用高斯单周振荡器，并使用脉冲的超宽带特性，从而解决多径衰落，多径时延，干扰和 信号干扰。 构成：方波振荡器（10）产生方波。 非线性传输线单元（20）仅在产生的方波的上升沿和下降沿产生脉冲。 差分电路（30）区分产生的脉冲信号。 放大器（40）放大微分信号的输出。 非线性传输线单元（20）包括如下。 第一电感器（L1）的一端连接到晶体管（Q1）的集电极。 第二电感器（L2）的一端连接到第一电感器（L1）的另一端。 第一变容二极管（D1）连接在第一和第二电感器（L1，L2）的公共连接点和地之间。 第二变容二极管（D2）连接在第一和第二电感器（L1，L2）和第二电感器（L2）的另一端的公共连接点之间。 电阻（R2）连接在第二电感器（L2）和第二变容二极管（D2）的公共连接点和地之间。

公开(公告)号：KR100321341B1

公开(公告)日：2002-03-18

申请号：KR1019990012503

申请日：1999-04-09

Applicant: 한국전기연구원

Inventor： 김관호 ,  박양하 ,  김창일 ,  김쌍우

IPC: H04L29/00

Abstract: 본발명은저주파를이용한무선데이터인식시스템에관한것으로서, 저주파로된질문신호를생성하고송신하는질문신호발생/송신수단(110), 저주파응답신호를수신하여처리가능한신호로만들어주는응답신호수신/처리수단(120), 및상기질문신호의질문데이터를상기질문신호발생/송신수단에제공하며, 처리된데이터의저장및 외부제어장치로의전송을수행하기위한마이크로프로세서(130)를포함하고있는질문장치(100); 및상기질문장치(100)로부터출력된저주파질문신호를수신하고그 수신된신호에대응하여응답데이터가포함된상기저주파응답신호를발생및 송신하는응답장치(200)로구성되어, 장애물및 열악한환경에의한상기송.수신신호의차단을방지하도록한다.

公开(公告)号：KR100794555B1

公开(公告)日：2008-01-17

申请号：KR1020060075462

申请日：2006-08-10

Applicant: 한국전기연구원

Inventor： 한승희 ,  김종욱 ,  이경희 ,  박양하

IPC: G01N21/17 ,  G01N33/48

Abstract: A multi-wavelength laser source and a measurement system of tissue optical properties using thereof are provided to enable selective wavelength projection within a range of 300~900nm depending on the measured properties of objective tissue for each part of a human body in real time, thereby ensuring accurate and wide measurement range. A measurement system measurement system of tissue optical properties comprises a multi-wavelength laser source(101), a 90% reflector(105,106), a chopper(107), an integrating sphere(108), and a lock-in amplifier(112). The multi-wavelength laser source allows wavelength selection depending on the tissue properties of objective tissue to be measured. The 90% reflector adjusts the direction a beam projected from the multi-wavelength laser source. The chopper transmits a reference signal to a lock-in amplifier. The integrating sphere measures the projection and reflectance value of the light source. The lock-in amplifier converts the measured signal and reference signal into digital signals. The multi-wavelength laser source comprises an excitation light source(102) for excitation of dye laser, 12 tunable dye lasers(103) showing absorbers and absorption lines within tissues from 300~900nm zone onto an epicyclic wheel, and a laser intensity filter(104) for intensity adjustment of the dye lasers.

Abstract translation: 提供多波长激光源和使用其的组织光学性质的测量系统，以使得能够在300-900nm的范围内选择性波长投影，这取决于人体每个部分实时测量的目标组织的性质，因此 确保准确和宽的测量范围。 组织光学特性的测量系统测量系统包括多波长激光源（101），90％反射器（105,106），斩光器（107），积分球（108）和锁定放大器（112） 。 多波长激光源允许波长选择取决于要测量的目标组织的组织性质。 90％反射镜调整从多波长激光源投射的光束的方向。 斩波器将参考信号发送到锁定放大器。 积分球测量光源的投影和反射率值。 锁定放大器将测量的信号和参考信号转换为数字信号。 多波长激光源包括用于激发染料激光的激发光源（102），12个可调色染料激光器（103），其显示从300〜900nm区域到行星轮的组织内的吸收体和吸收线，以及激光强度滤光器 104）用于染料激光器的强度调节。

公开(公告)号：KR100658493B1

公开(公告)日：2006-12-15

申请号：KR1020050002468

申请日：2005-01-11

Applicant: 한국전기연구원

Inventor： 장원석 ,  박양하 ,  오상기 ,  양승국 ,  허영

IPC: A61B5/00

Abstract: 원시영상에 대하여 매질의 투과율과 초점 거리에 따른 영향을 보정하여 획득된 영상의 불균일성을 완화하고 영상의 해상도를 높이는 것이 가능하며, 보다 측정 가능 깊이를 증가시킬 수 있는 간섭형 광단층 영상 촬영 시스템 및 방법이 제공된다.
본 발명의 간섭형 광단층 영상 촬영 방법은, (a) 피 측정 대상에 대한 광 빔의 투과 깊이에 따른 수득 영상에 있어서의 오차를 보상하기 위하여, 상기 피 측정 대상에 대한 측정을 수행하기 전에 미리 하나 이상의 기준 매질을 대상으로 하여 상기 광 빔 투과 깊이 변화에 따른 반사광의 이득 변화 특성을 측정하는 단계; (b) 상기 피 측정 대상에 대한 실제 측정 시에 얻어진 데이터를 보상하기 위해 활용할 수 있도록 상기 측정된 반사광의 이득 변화 특성을 저장하는 단계; (c) 상기 피 측정 대상에 대해 실제 측정을 수행하여 원시 광단층 영상을 획득하는 단계; 및 (d) 상기 원시 광단층 영상을 상기 광 빔 투과 깊이 변화에 따른 상기 반사광의 이득 변화 특성에 의해 보상하는 단계를 포함한다.
광단층 영상 촬영, OCT, 초점 거리, 투과율, 보상, 의료 기기, 비침습 검사, 비파괴 검사