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    • 2. 发明公开
    • 알에프아이디 맥 프로토콜 구현 방법
    • RF-ID MAC协议的实现方法
    • KR1020090108780A
    • 2009-10-19
    • KR1020080034056
    • 2008-04-14
    • 아주대학교산학협력단한국건설기술연구원재단법인 한국건자재시험연구원
    • 김재현차재룡이규환채성태한충한
    • H04L29/06
    • H04W74/085G06K7/0008H04W80/02
    • PURPOSE: An implementation method of RF-ID MAC protocol is provided to reduce the collision probability between RF-ID readers after completion of back-off process. CONSTITUTION: An implementation method of RF-ID MAC protocol is that the RF-ID reader performs the back-off process(330). The timing of transmitting the BT signal which informs the RF-ID reader is using a channel is determined randomly(340). The BT signal is not transmitted if the BT signal is received from another RF-ID reader before the RF-ID reader transmits the BT signal. Also, it transits to the state before performing the back-off process. The BT signal is periodically transmitted from the time of time when being determined to dissimilar RF-ID readers the RF-ID reader doesn't receive the BT signal. After transmitting BT signal, it communicates with the tag for the communication time interval.
    • 目的:提供RF-ID MAC协议的实现方法,以在退避过程完成后降低RF-ID读取器之间的冲突概率。 构成:RF-ID MAC协议的实现方法是RF-ID读取器执行退避处理(330)。 随机地确定发送通知RF-ID读取器的BT信号的定时正在使用信道(340)。 如果在RF-ID读取器发送BT信号之前从另一RF-ID读取器接收到BT信号,则不发送BT信号。 此外,它在执行退避过程之前转移到状态。 从被确定为不同的RF-ID读取器的时间周期性地发送BT信号,RF-ID读取器不接收BT信号。 发送BT信号后,通信时间间隔与标签进行通信。
    • 4. 发明公开
    • 분쇄시료 채취장치
    • 用于加工搅拌样品的装置
    • KR1020080096057A
    • 2008-10-30
    • KR1020070040949
    • 2007-04-26
    • 재단법인 한국건자재시험연구원
    • 정상화채성태김태상
    • G01N3/00G01N1/04
    • G01N1/04G01N3/02G01N3/58G01N33/383
    • An apparatus for gathering pulverized sample can produce the sample accurately according to the penetration depth since the rotary tool capable of obtaining the pulverized sample rotates with a principal axis. An apparatus for gathering pulverized sample comprises a specimen cradle which moves with clamping a core specimen(10) to move the core specimen, a guide bar(30), and a principal axis head(40) equipped with a rotary tool(50), rotating the rotary tool and ascending/descending along the guide bar. The principal axis head ascends and descends on the guide bar so that the rotary tool contacts with the core specimen. The pulverized sample is formed as the principal axis head including the rotary tool descends and the rotary tool contacts with the upper side of the core specimen.
    • 用于收集粉碎样品的装置可以根据穿透深度精确地生产样品,因为能够获得粉碎样品的旋转工具以主轴旋转。 用于收集粉碎样品的装置包括:样品支架,其夹持芯样本(10)以移动芯样本,导杆(30)和配备有旋转工具(50)的主轴头(40)移动; 旋转旋转工具并沿导杆上升/下降。 主轴头在引导杆上升下降,使得旋转工具与芯样品接触。 粉碎样品形成为包括旋转工具下降的主轴头,并且旋转工具与芯样品的上侧接触。
    • 5. 发明公开
    • 시료의 수분량 측정 장치
    • 用于测量样品中的水分含量的装置
    • KR1020080095048A
    • 2008-10-28
    • KR1020070039349
    • 2007-04-23
    • 재단법인 한국건자재시험연구원대윤계기산업 주식회사
    • 우영제정상화채성태류화성서인호
    • G01N27/22G01N27/00
    • An apparatus for measuring moisture content in a sample is provided to prevent a manufacturing error in a REMICON by using a frequency signal with reduced profits. An apparatus for measuring moisture content in a sample comprises a detecting part(10), an amplifying part(20), an AD converter(30), a control part(40), and a display part(50). The detecting part transmits a frequency signal with reduced profits into a measurement sample, and outputs the frequency signal. The amplifying part outputs a voltage level of the frequency signal output from the detecting part. The AD converter outputs the frequency signal output from the amplifying part into a digital signal. The control part outputs data with respect to the converted moisture content after converting a calculated moisture coefficient to the moisture content by using a reference guide table. The display part displays data output from the control part on a screen.
    • 提供一种用于测量样品中水分含量的装置,以通过使用具有降低的利润的频率信号来防止REMICON中的制造误差。 用于测量样品中水分含量的装置包括检测部分(10),放大部分(20),AD转换器(30),控制部分(40)和显示部分(50)。 检测部件将利润减少的频率信号发送到测量样本中,并输出频率信号。 放大部分输出从检测部分输出的频率信号的电压电平。 AD转换器将从放大部分输出的频率信号输出为数字信号。 控制部通过使用基准引导台将计算出的湿气系数变换为水分含量后,输出相对于转换后的水分含量的数据。 显示部件在屏幕上显示从控制部分输出的数据。