公开(公告)号：KR1020160047057A

公开(公告)日：2016-05-02

申请号：KR1020140142725

申请日：2014-10-21

Applicant: 한국과학기술원

Inventor： 김양한 ,  정승우 ,  서대훈 ,  김기원 ,  김구환

IPC: G01S11/14

Abstract: 실시형태에따른총구거리추정방법은, 감지부가대기압력과, 마이크로폰어레이에의해총구폭풍파및 탄환충격파를감지하는감지단계; 검출부가상기마이크로폰어레이의배열선을기준으로하는상기총구폭풍파의입사각(θ'), 상기마이크로폰어레이의배열선을기준으로하는상기탄환충격파의입사각(θ') 및상기탄환충격파의마하각(θ)을검출하는검출단계; 및계산부가상기총구폭풍파의입사각(θ') 및상기탄환충격파의입사각(θ')의차(θ'-θ')에상기마하각(θ)을더한값의코사인(cosine) 값(cos(θ+(θ'-θ')))을계산하고, 탄도수직거리(X)를상기코사인값(cos(θ+(θ'-θ')))으로나누어총구거리(D)를계산하는계산단계; 를포함하고, 상기탄도수직거리(X)는상기마하각(θ), 상기탄환충격파의신호파형및 상기대기압력을이용하여계산된다.

Abstract translation: 根据实施例的估计枪口距离的方法包括：检测步骤，通过感测单元感测大气压力，以及用麦克风阵列检测枪口冲击波和子弹冲击波; 检测步骤，通过检测单元检测枪口冲击波相对于麦克风阵列的阵列线的入射角（＆amp; _S'），子弹冲击波相对的入射角（＆amp; _gr） 到麦克风阵列的阵列线，以及子弹冲击波的马赫角（＆amp; _ _ _）; 以及计算步骤，通过计算单元计算所述马赫角（＆thgr _ _）与所述差值（＆amp; M）之和的余弦值（cos＆amp; 子弹冲击波的入射角（＆thgr _ _）'与子弹冲击波的入射角（＆amp; _gr）_M'之间的距离（D）和计算枪口距离（D） 将枪口垂直距离（X）除以余弦值cos（＆Thgr; _ M +（＆thgr _ _ _ thgr _ _M）），其中通过使用马赫角（＆amp; ），子弹冲击波的信号波形和大气压力。

公开(公告)号：KR1020130124707A

公开(公告)日：2013-11-15

申请号：KR1020120048031

申请日：2012-05-07

Applicant: 한국과학기술원

Inventor： 김양한 ,  김기원

IPC: A61F11/04 ,  G02C11/06 ,  G02C11/00

Abstract: The present invention relates to a hearing aid apparatus for visually presenting the direction of a sound source, and a driving method of the hearing aid apparatus and visually represents the direction of the sound source by turning on an LED corresponding to the direction of the estimated sound source by estimating a sound pressure signal received from a microphone the direction of the sound source in real time using the delay-sum beam formation method. In addition, people who wear the hearing aid apparatus can avoid separation from other people by manufacturing the hearing aid apparatus as glasses. The hearing aid apparatus comprises a plurality of microphones, a plurality of light emitting devices, and a control unit capable of controlling the direction of the sound source in order to visually indicate the direction in real time by turning on the light emitting device corresponding to the estimated direction, by estimating the direction of the maximum beam power, by comparing the size of the beam power obtained from the respective directions, by calculating the beam power and the beam output in the respective direction after dividing the all directions according to the predetermined angle based on a wearer. [Reference numerals] (AA) Start;(BB) No;(CC) Yes;(S10) Obtain a sound pressure signal;(S20) Calculate a sound pressure level (SPL) from the measured sound pressure signal and set a threshold value (SPL_0);(S40) Operate a delay-sum beam forming algorithm motion;(S50) Calculate beam output and beam power from each direction;(S60) Estimate the direction of the maximum beam power as the direction of a sound source;(S70) Turn on an LED corresponding to the estimated direction

Abstract translation: 本发明涉及一种用于视觉呈现声源的方向的助听器装置和助听器装置的驱动方法，并且通过打开与所估计的声音的方向相对应的LED来目视地表示声源的方向 源，通过使用延迟和波束形成方法实时地估计从麦克风接收的声源的方向的声压信号。 此外，戴助听器的人可以通过将助听器装置制造成眼镜来避免与其他人分离。 助听器装置包括多个麦克风，多个发光装置和控制单元，该控制单元能够控制声源的方向，以便通过打开对应于该发声装置的发光装置实时地可视地指示方向 通过比较从各个方向获得的波束功率的大小，通过计算根据预定角度分割所有方向之后的各个方向上的波束功率和波束输出来估计最大波束功率的方向来估计方向 基于佩戴者。 （AA）开始;（BB）否;（CC）是;（S10）获取声压信号;（S20）从测量的声压信号计算声压级（SPL），并设定阈值 （SPL_0）;（S40）操作延迟和波束形成算法运动;（S50）从每个方向计算波束输出和波束功率;（S60）估计最大波束功率的方向作为声源的方向;（ S70）打开与估计方向对应的LED

公开(公告)号：KR1020110071710A

公开(公告)日：2011-06-29

申请号：KR1020090128344

申请日：2009-12-21

Applicant: 삼성전자주식회사 ,  한국과학기술원

Inventor： 김광석 ,  이택동 ,  김우진 ,  서순애 ,  김기원 ,  김선옥

IPC: G11C11/15 ,  H01L27/115

CPC classification number: H01L43/12 ,  G11C11/161 ,  H01L27/228 ,  H01L43/08 ,  H01L43/10 ,  B82Y25/00 ,  G11C11/16 ,  Y10S977/935

Abstract: PURPOSE: A perpendicular magnetic tunnel junction, a magnetic device comprising the same and a method of manufacturing the same are provided to make the spin torque switching of a MTJ fast reducing a switching time. CONSTITUTION: In a perpendicular magnetic tunnel junction, a magnetic device comprising the same and a method of manufacturing the same, a tunneling layer(34) is formed on a lower magnetic layer(L1). An upper magnetic layer(U1) is formed on the tunneling layer. The magnetization direction of one of the upper and lower magnetic layers is changed by a spin polarization current One magnetic layer comprises a free layer(40) indicates a vertical magnetic anisotropy A polarization reinforcement layer and an interface barrier layer are laminated between the tunneling layer and the free layer.

Abstract translation: 目的：提供垂直磁性隧道结，包括该磁场的磁性装置及其制造方法，以使MTJ的自旋转矩切换快速地减少切换时间。 构成：在垂直磁性隧道结中，包括该磁性装置的磁性装置及其制造方法，在下部磁性层（L1）上形成有隧道层（34）。 在隧道层上形成上磁层（U1）。 上磁层和下磁层之一的磁化方向由自旋极化电流改变一个磁性层包括一个表示垂直磁各向异性的自由层（40），一个偏振加强层和界面阻挡层层叠在隧穿层与 自由层。