-
公开(公告)号:KR1020010062646A
公开(公告)日:2001-07-07
申请号:KR1020000080925
申请日:2000-12-22
Applicant: 한국전자통신연구원
IPC: B22F7/00
Abstract: PURPOSE: A heat pipe and its production method are provided to improve the returning efficiency of a working fluid from a condensing portion to an evaporating portion and to have the sufficient heat transferring efficiency. CONSTITUTION: A hollow rod member(3) is inserted in the center of a pipe body(1) to secure a steam passage. A copper powder is injected between the pipe body(1) and the hollow rod member(3). The copper powder is sintered in the pipe body(1) by inserting the pipe body(1) in an electric furnace and heating. The hollow rod member(3) is removed from the pipe body(1) after cooling the pipe body(1). Thereby, wick structure is sintered and stuck to the pipe body(1).
Abstract translation: 目的:提供一种热管及其制造方法,以提高工作流体从冷凝部到蒸发部的返回效率,并具有足够的传热效率。 构成:中空杆构件(3)插入管体(1)的中心以固定蒸汽通道。 在管体(1)和中空杆件(3)之间注入铜粉末。 通过将管体(1)插入电炉中并加热,在管体(1)中烧结铜粉末。 在管体(1)冷却后,将空心杆构件(3)从管体(1)中取出。 由此,芯体结构被烧结并粘附到管体(1)。
-
公开(公告)号:KR1020000027804A
公开(公告)日:2000-05-15
申请号:KR1019980045832
申请日:1998-10-29
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A method for scheduling packets of an MC-CDMA(Multi-Code Cord Division Multiple Access) system is provided to improve a performing capacity by performing a scheduling system for packets, through using a property that sub codes do not interfere each other because the sub codes lie at right angles, when many mobile stations in cells want to transmit variable bit rate traffic in the MC-CDMA system. CONSTITUTION: A method for scheduling packets in an MC-CDMA(Multi-Code Cord Division Multiple Access) system which transmits packets by sub codes, after assigning the sub codes which do not interfere each other, to one user to transmit data having a VBR(Variable Bit Rate), comprises the steps of: informing the number of packets accumulated on a user's buffer by the user, when the packets for transmitting to a base station are transmitted to the user's buffer; identifying the number of the accumulated packets; and transmitting all the packets stored in the user's buffer by the sub codes, after the base station allows the transmission of the packets to the user, when the number of the accumulated packets are preset number.
Abstract translation: 目的:提供一种用于调度MC-CDMA(多码线分多址)系统的分组的方法,以通过使用子码不互相干扰的属性来执行分组的调度系统来提高执行能力,因为 子代码是直角的,当小区中的许多移动站想要在MC-CDMA系统中传输可变比特率业务时。 构成:一种在一个用户发送具有VBR的数据的MC-CDMA(多代码线分多址)系统中的分组方法,该MC-CDMA(多码线分多址)系统在分配不相互干扰的子码之后,通过子码发送分组 (可变比特率)包括以下步骤:当用于发送到基站的分组被发送到用户的缓冲器时,通知用户累积在用户缓冲器上的分组的数量; 识别累积数据包的数量; 并且当基站允许向用户发送分组时,当累积分组的数量是预设数量时,通过子代码发送存储在用户缓冲器中的所有分组。
-
公开(公告)号:KR1020160062681A
公开(公告)日:2016-06-02
申请号:KR1020150146829
申请日:2015-10-21
Applicant: 한국전자통신연구원
Abstract: 본발명은지하에존재하는동공(sinkhole)이나수도관혹은송유관등에서유출된액체의누수현상을감지하는장치에관한것이다. 본발명의감지장치에서는지하에설치된송출장치에서송신되는초음파신호와초음파신호와동기화된 RF(Radio Frequency) 신호를지면에위치한다수의수신장치들이동시에수신한다. 또한, 각수신장치별로수신된무선신호를트리거링신호로삼아초음파신호의도달시간을측정함에의해송출장치와수신장치간 신호경로상에위치한동공이나수도관혹은송유관등에서유출된액체의누수범위등이감지된다.
Abstract translation: 本发明涉及一种检测从地下漏水,水管或油管泄漏的液体泄漏的装置。 在本发明的检测装置中,设置在地面上的多个接收装置同时接收从地面下方的发送装置发送的超声波信号和与超声波信号同步的射频(RF)信号。 此外,通过使用由各接收装置接收到的无线信号作为触发信号来测量超声波信号的到达时间,在发送装置之间的信号路径上从沉孔,水管或油管道泄漏的液体的泄漏范围 检测接收装置。
-
公开(公告)号:KR1020140077748A
公开(公告)日:2014-06-24
申请号:KR1020120146858
申请日:2012-12-14
Applicant: 한국전자통신연구원
CPC classification number: H01L41/047 , H01L41/0475 , H01L41/113 , H01L41/183 , H02N2/18
Abstract: Provided is an ultrasonic apparatus. The ultrasonic apparatus includes a lower electrode, an upper electrode which is arranged on the lower electrode, pillar-type piezoelectric compounds which are arranged between the lower electrode and the upper electrode, and a charger which is arranged between the lower electrode and the upper electrode and has an electrolyte layer which fills a space between the pillar-type piezoelectric compounds, a circuit device which is electrically connected to the charger, and a housing for packaging the circuit device and the charger.
Abstract translation: 提供了一种超声波装置。 超声波装置包括下电极,布置在下电极上的上电极,配置在下电极和上电极之间的柱状压电化合物,以及设置在下电极和上电极之间的充电器 并且具有填充柱状压电化合物之间的空间的电解质层,与充电器电连接的电路装置和用于封装电路装置和充电器的壳体。
-
公开(公告)号:KR1020130120078A
公开(公告)日:2013-11-04
申请号:KR1020120043064
申请日:2012-04-25
IPC: H01M4/525 , H01M4/505 , H01M10/052
CPC classification number: H01M4/525 , H01M4/505 , H01M10/0525 , Y02E60/122
Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery and manufacturing method of same in which the positive electrode active material is lithium-nickel-manganese based oxide LiNixMn2-xO4 (0
Abstract translation: 本发明涉及一种锂二次电池用正极活性物质及其制造方法,其中,正极活性物质为尖晶石型结晶结构中的锂镍锰系氧化物LiNixMn2-xO4(0
-
公开(公告)号:KR1020120068334A
公开(公告)日:2012-06-27
申请号:KR1020100129920
申请日:2010-12-17
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A wireless power transmission system which utilizes ultrasonic waves is provided to optimize energy transmission efficiency by controlling an effective area of a radiation plate of an ultrasonic generator. CONSTITUTION: A wireless power transmission system which utilizes ultrasonic waves comprises an ultrasonic generator(110), an ultrasonic receiver(120), and etc. The ultrasonic generator transmits the ultrasonic waves to the ultrasonic receiver by converting electrical energy into the ultrasonic waves. The ultrasonic generator comprises a radiation plate(112) which includes a plurality of ultrasound devices(112a). The effective area of the radiation plate is controlled by switching the plurality of ultrasound devices according to a distance between the ultrasonic generator and the ultrasonic receiver. The plurality of ultrasound devices is symmetrically arranged into a polygonal or round shape.
Abstract translation: 目的:提供一种利用超声波的无线电力传输系统,通过控制超声波发生器辐射板的有效面积来优化能量传输效率。 构成:利用超声波的无线电力传输系统包括超声波发生器(110),超声波接收器(120)等。超声波发生器通过将电能转换为超声波将超声波发送到超声波接收器。 超声波发生器包括包括多个超声装置(112a)的辐射板(112)。 通过根据超声波发生器和超声波接收器之间的距离切换多个超声波装置来控制辐射板的有效面积。 多个超声波装置被对称地排列成多边形或圆形。
-
公开(公告)号:KR1020090128810A
公开(公告)日:2009-12-16
申请号:KR1020080054761
申请日:2008-06-11
Applicant: 한국전자통신연구원
CPC classification number: F28D15/046 , F28D15/0233 , F28F2245/00 , H02N2/18
Abstract: PURPOSE: A heat transfer device having an electricity creation function is provided to create electricity by vibration of capillary grooves in which piezoelectric thin film is attached on the surface. CONSTITUTION: A heat transfer device comprises an evaporation part(110) which has multi-channel capillary grooves(101) and a condensing part. The multi-channel capillary grooves generate steam by evaporating working fluid(103) by heat delivered from an external heating unit. Piezoelectric thin film is attached on the surface of the capillary grooves. And electricity is created on the multi-channel capillary grooves by vibrating the multi-channel capillary grooves by the steam of the working fluid. The condensing part has a liquid flow path. The liquid flow path condenses the steam of the working fluid evaporated through the evaporation part, and returns the condensed liquid to the evaporation part.
Abstract translation: 目的:提供具有发电功能的传热装置,通过在表面上附着有压电薄膜的毛细管槽的振动来产生电力。 构成:传热装置包括具有多通道毛细管槽(101)和冷凝部件的蒸发部件(110)。 通过从外部加热单元输送的热量蒸发工作流体(103),多通道毛细管槽产生蒸汽。 压电薄膜附着在毛细管槽的表面上。 通过工作流体的蒸汽振动多通道毛细管槽,在多通道毛细管槽上产生电力。 冷凝部件具有液体流路。 液体流路冷凝通过蒸发部分蒸发的工作流体的蒸汽,并将冷凝的液体返回到蒸发部分。
-
公开(公告)号:KR1020090060897A
公开(公告)日:2009-06-15
申请号:KR1020070127880
申请日:2007-12-10
Applicant: 한국전자통신연구원
CPC classification number: G01H11/02
Abstract: A micro sensor for vibration measurement is provided to detect vibration easily at low power through wireless sensor network and to thereby facilitate signal processing. A micro sensor for vibration measurement comprises a substrate(160), one or more masses(110) moving in reaction to vibration, a conductor spring(120) which moves according to the movement of the mass while supporting the masses, fixed parts(130) which are connected to both ends of the conductor spring and keep the masses and the conductor spring apart from the substrate, and a resistance(140) forming a closed circuit together with the conductor spring and the fixed parts. The masses are positioned in the middle of the conductor spring. The resistance connects a magnetic body(170) which is formed on the bottom of the substrate and creates a magnetic field to the fixed parts.
Abstract translation: 提供用于振动测量的微型传感器,用于通过无线传感器网络在低功率下容易地检测振动,从而促进信号处理。 一种用于振动测量的微型传感器,包括:衬底(160),一个或多个反作用于振动的质量块(110);导体弹簧(120),其在支撑所述质量块的同时根据所述质量块的移动而移动;固定部件 ),其连接到导体弹簧的两端并保持质量和导体弹簧与基板分离,以及与导体弹簧和固定部分一起形成闭合电路的电阻(140)。 质量块位于导体弹簧的中间。 电阻连接形成在基板底部的磁体(170),并向固定部分产生磁场。
-
公开(公告)号:KR1020090059449A
公开(公告)日:2009-06-11
申请号:KR1020070126315
申请日:2007-12-06
Applicant: 한국전자통신연구원
IPC: H05K7/20
CPC classification number: H01L23/427 , H01L2924/0002 , H01L2924/00
Abstract: A flat type thermal spreading device is provided to prevent a reverse flow of a steam bubble by two-step capillary tube structure of a bottom plate. A flat type thermal spreading device includes a bottom plate(300), a central plate(200), and a top plate(100). The bottom plate gasifies liquid. The central plate is coupled in a top surface of the bottom plate. The central plate has a path for a gasified steam and a path for a condensed fluid. The top plate is coupled in a top surface of the central plate. The top plate condenses the gasified steam. The bottom plate has a multi channel capillary tube structure. The multi channel capillary tube structure comprises a plurality of grooves. The multi channel capillary tube structure has one or more step-height.
Abstract translation: 提供了一种扁平型热扩散装置,以防止通过底板的两步毛细管结构引起的蒸汽气泡的反向流动。 扁平型热扩散装置包括底板(300),中心板(200)和顶板(100)。 底板气化液体。 中心板联接在底板的顶表面中。 中心板具有用于气化蒸汽的路径和用于冷凝流体的路径。 顶板联接在中心板的顶表面中。 顶板冷凝气化的蒸汽。 底板具有多通道毛细管结构。 多通道毛细管结构包括多个凹槽。 多通道毛细管结构具有一个或多个步进高度。
-
公开(公告)号:KR1020090022153A
公开(公告)日:2009-03-04
申请号:KR1020070087257
申请日:2007-08-29
Applicant: 한국전자통신연구원
IPC: G05F1/00
CPC classification number: G01D5/24
Abstract: A capacitance to time converting circuit with high resolution is provided to generate a time signal with high resolution by generating the time signal with a pulse width having amplified time difference after amplifying time difference corresponding to capacitance variation of a MEMS sensor. A capacitance to time converting circuit includes a driving signal generator(10), a capacitance difference sensor(20), a time difference amplifier(30), and a time signal generator(40). The driving signal generator generates a driving signal and applies the driving signal to the capacitance difference sensor. The capacitance difference sensor generates two sensing signals with the time difference corresponding to the capacitance variation of a MEMS(Micro Electro Mechanical System). The time difference amplifier amplifies the time difference of two sensing signals. The time signal generator generates a time signal with the pulse width corresponding to the amplified time difference.
Abstract translation: 提供具有高分辨率的电容到时间转换电路,以在放大对应于MEMS传感器的电容变化的时间差之后通过产生具有放大的时间差的脉冲宽度的时间信号来产生具有高分辨率的时间信号。 电容对时间转换电路包括驱动信号发生器(10),电容差传感器(20),时差放大器(30)和时间信号发生器(40)。 驱动信号发生器产生驱动信号并将驱动信号施加到电容差传感器。 电容差传感器产生具有与MEMS(微机电系统)的电容变化对应的时间差的两个感测信号。 时差放大器放大两个感测信号的时间差。 时间信号发生器产生具有对应于放大时间差的脉冲宽度的时间信号。
-
-
-
-
-
-
-
-
-