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    • 14. 发明公开
    • Method, protocol, and system for bidirectional communication in a communication system
    • Verfahren,Protokoll和系统zur bidirektionalen在einem Kommunikationssystem系统
    • EP1587241A2
    • 2005-10-19
    • EP05007874.0
    • 2005-04-11
    • VEGA Grieshaber KG
    • Isenmann, AndreasDeck, ThomasFehrenbach, Josef
    • H04L12/12
    • H04L12/12H04L12/403H04W52/0212H04W52/0261H04W84/18Y02D70/00
    • The invention relates to a method for data communication in a communication system, comprising a plurality of communication participants, each participant having a subsystem responsible for communication, whereby a communication participant acts as master (1) of the communication system, the subsystem of the master being operated continuously, whereby the other communication participants act as communication slaves (5) in the communication system, the subsystems of the communication slaves (5) being de-energized, when no communication takes place. Further, a protocol for controlling a bidirectional communication is provided, whereby establishment of the communication results from a special initial packet, which is transmitted by a communication slave (5) to a communication master (1); the initial packet is acknowledged by the master (1) with a confirmation packet; and this confirmation packet comprises information, whether subsequent communication is required. Moreover, a communication system is provided, comprising a plurality of communication participants (1, 5), each having a respective subsystem responsible for the communication, whereby at least one communication participant is adapted to act as master (1) in the communication system, having a continuously operating subsystem, whereby the other communication participants are adapted to act as communication slaves (5) in the communication system, having subsystems, which are de-energized, when no communication takes place, whereby the communication participants are sensors (4).
    • 本发明涉及一种通信系统中的数据通信方法,包括多个通信参与者,每个参与者具有负责通信的子系统,由此通信参与者充当通信系统的主机(1),主机的子系统 连续运行,其他通信参与者作为通信系统中的通信从站(5),当不进行通信时,通信从站(5)的子系统被断电。 此外,提供了一种用于控制双向通信的协议,从而由通信从属装置(5)发送到通信主机(1)的特殊初始分组进行通信的建立。 初始分组由主机(1)用确认分组确认; 并且该确认分组包括信息,是否需要后续通信。 此外,提供了一种通信系统,其包括多个通信参与者(1,5),每个通信参与者具有负责通信的相应子系统,由此至少一个通信参与者适于在通信系统中充当主(1) 具有连续操作的子系统,由此其它通信参与者适于作为通信系统中的通信从属设备(5),其具有当没有通信发生时断电的子系统,由此通信参与者是传感器(4) 。
    • 15. 发明公开
    • Method for determining a level of material with a two-wire radar sensor
    • Verfahren zurFüllstandsbestimmungeines材料系统Zweidrahtradar-Sensor
    • EP1562051A2
    • 2005-08-10
    • EP04030139.2
    • 2004-12-20
    • VEGA Grieshaber KG
    • Griessbaum, KarlFehrenbach, JosefRauer, Winfried
    • G01S13/10
    • G01S7/003G01F23/284G01S7/032G01S13/10G01S13/103G01S13/88
    • A method for determining a distance between a radar sensor and a reflection surface of a material using a pulse measurement process is provided, the radar sensor being energized via a two-wire control loop (27) which also allows for data communication, and an internal energy store (32), whereby the pulse measurement process comprises at least two phases, whereby in a first phase, an echo profile is generated, and in a second phase, the echo profile is analyzed to calculate the distance, whereby the first phase is interrupted at least one time to recharge the energy store (32) via the two-wire control loop (27). Further, a radar sensor is provided using a pulse measurement process for determining a distance, whereby the radar sensor is provided with a power supply unit with a two-wire control loop (27) and an internal energy store (32), energizing the radar sensor, whereby the radar sensor further comprises a microcontroller, the microcontroller (16) controlling the voltage of the energy store (32) during a first phase of the pulse measurement process, in which the echo profile is generated, by activating/deactivating the transmit/receipt circuit (34), and interrupting the first phase at least one time, to recharge the energy store (32).
    • 提供了一种使用脉冲测量过程来确定雷达传感器和材料的反射表面之间的距离的方法,雷达传感器通过还允许数据通信的两线控制回路(27)和内部 能量存储器(32),由此脉冲测量过程包括至少两个相位,由此在第一阶段中产生回波曲线,并且在第二阶段中,分析回波曲线以计算距离,由此第一相位 至少一次中断通过双线控制回路(27)对能量存储器(32)充电。 此外,使用用于确定距离的脉冲测量处理来提供雷达传感器,由此雷达传感器设置有具有双线控制回路(27)和内部能量存储器(32)的电源单元,激励雷达 传感器,由此雷达传感器还包括微控制器,微控制器(16)在脉冲测量过程的第一阶段期间控制能量存储器(32)的电压,其中产生回波曲线,通过激活/去激活发射 /接收电路(34),并且至少一次中断第一阶段以对能量存储器(32)再充电。
    • 18. 发明公开
    • Vorrichtung und Verfahren zur Ermittlung der Positionen der Grenzfläche unterschiedlicher Medien
    • 装置和方法,用于确定不同的介质的边界表面的位置
    • EP1191315A2
    • 2002-03-27
    • EP01117803.5
    • 2001-07-21
    • VEGA Grieshaber KG
    • Fehrenbach, JosefGriessbaum, Karl
    • G01F23/284
    • G01F23/284
    • Verfahren zur Ermittlung der Position der Grenzflächen unterschiedlicher Medien mit Hilfe von elektromagnetischen Wellen, wobei von einem Wellensender eine hinlaufende Welle ausgesandt wird, welche zumindest eine Ausbreitungsgeschwindigkeitskomponente aufweist, welche parallel zu den Grenzflächennormalen der unterschiedlichen Medien ist, die ausgesandte hinlaufende Welle an den jeweiligen Grenzflächen zumindest teilweise reflektiert wird, die jeweiligen Anteile der reflektierten rücklaufenden Wellen von einem Wellenempfänger empfangen werden, die jeweiligen Laufzeiten zwischen Aussendung der hinlaufenden Welle und Empfang der rücklaufenden Wellen bestimmt werden, aus den jeweiligen Laufzeiten unter Berücksichtigung der unterschiedlichen Ausbreitungsgeschwindigkeiten der Welle in den unterschiedlichen Medien die jeweiligen Positionen der Grenzflächen bestimmt werden, wobei die jeweiligen Anteile der reflektierten Wellen in den unterschiedlichen Medien (4, 5) verwendet werden. Wichtig ist hierbei die Berücksichtigung der quadratischen Abhängikeit von ε r vom Reflexionsfaktor r.
    • 电磁波是反式mitted以已知的速度正常接口到表面,其中波被部分地反射和反射分量的飞行时间进行测量。 界面位置被计算知道在不同的媒体的波传播速度和飞行时间。 在不同介质中的传播速度来计算考虑了介电常数的二次相称的反射系数。 介电常数用于确定性矿在介质中的传播速度在未知的。 。根据它从反射波反式mitted波的振幅比使用二次方程连接两个值来计算本发明。 独立claimsoft是在存储容器为一个设备进行用于确定性采矿不同介质的界面表面。