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    • 5. 发明申请
    • NETWORK ARCHITECTURE FOR WIRELESSLY INTERFACING SENSORS AT ULTRA LOW POWER
    • 无线接口传感器的超低功耗网络架构
    • WO2009092771A1
    • 2009-07-30
    • PCT/EP2009/050734
    • 2009-01-22
    • UNIVERSITÉ CATHOLIQUE DE LOUVAINGOSSET, Geoffroy Pascal M.FLANDRE, DenisDELMÉE, GillesRUE, Bertrand
    • GOSSET, Geoffroy Pascal M.FLANDRE, DenisDELMÉE, GillesRUE, Bertrand
    • H04Q9/00
    • H04Q9/00G08C19/12G08C2201/20G08C2201/91H04Q2209/47H04Q2209/50
    • A sensing network is described, consisting of a multiplexing reader and one or more sensor pairs, each sensor pair comprising a transponder and a dedicated reader, dedicated to that transponder, each transponder having a sensor. Each sensor pair is able to wirelessly interface and power both capacitive and resistive sensors at a short distance with high efficiency. By providing a dedicated reader for each transponder, each link can be optimized and there is no need for the dedicated reader to distinguish between signals from other transponders. The transponder generates an analog signal directly using a sensor or analog memory value and sends it by modulation to the dedicated reader. So, the dedicated readers do not need to have circuitry to demodulate a digital signal or ID code. The transponder includes the sensors and their electronic circuits and can be optionally remotely powered by the dedicated reader through the wireless link. The expected consumption of the dedicated reader can be lower than 200μW.
    • 描述了由复用读取器和一个或多个传感器对组成的感测网络,每个传感器对包括专用于该应答器的应答器和专用读取器,每个应答器具有传感器。 每个传感器对能够以较高的效率在短距离内无线连接和供电电容式和电阻式传感器。 通过为每个应答器提供专用读卡器,可以优化每个链路,并且不需要专用读取器来区分来自其他应答器的信号。 应答器使用传感器或模拟存储器值直接生成模拟信号,并通过调制将其发送到专用读卡器。 因此,专用读卡器不需要电路来解调数字信号或ID码。 应答器包括传感器及其电子电路,并且可以由专用读取器通过无线链路远程供电。 专用读卡器的预期消耗可以低于200μW。
    • 6. 发明申请
    • INSULATED SUBSTRATE IMPEDANCE TRANSDUCERS
    • 绝缘衬底阻抗传导器
    • WO2008028683A1
    • 2008-03-13
    • PCT/EP2007/007861
    • 2007-09-10
    • UNIVERSITE CATHOLIQUE DE LOUVAINFACULTES UNIVERSITAIRES NOTRE-DAME DE LA PAIXPAMPIN, Rémi, SébastienFLANDRE, DenisMORENO-HAGELSIEB, LuisFOULTIER, BorisREMACLE, José
    • PAMPIN, Rémi, SébastienFLANDRE, DenisMORENO-HAGELSIEB, LuisFOULTIER, BorisREMACLE, José
    • G01N27/414G01N27/12
    • G01N27/414C12Q1/6816C12Q1/6825G01N33/48728C12Q2565/607
    • The present invention provides an electronic transducer (10) and a method for detecting and/or characterising target materials or physico-chemical stimuli in an external medium (8) using the electronic transducer (10). The electronic transducer (10) comprises a sensing element (3) featuring a variable conductance when exposed to a stimulus from the external medium and a first and second electrode (5a, 5b) spaced apart on or in a sensing material surface of a substrate, the sensing element being provided in or on he substrate and being located between the first and the second electrodes (5a, 5b) forming a pair of sensing electrodes for sensing a change in conductance of the sensing element (3) in a direction substantially parallel to the sensing material surface, at least one of the sensing electrodes (5a, 5b) being electrically insulated from the sensing element (3) by a dielectric layer (4), so as to be capacitively coupled to the sensing element (3). An insulating layer or target specific layer (7) may optionally be provided covering the sensing element (3) and optionally the sensing electrodes and being adapted for contact with the external medium (8). Electrical measurements made between the pair of sensing electrodes (5a, 5b) are influenced by the impedance of the channel (3) which is affected by the presence of the medium (8) to be tested.
    • 本发明提供一种电子换能器(10)和用于使用电子换能器(10)检测和/或表征外部介质(8)中的目标材料或物理 - 化学刺激的方法。 电子换能器(10)包括感测元件(3),其在暴露于来自外部介质的刺激时具有可变电导,以及在衬底的感测材料表面上或其中的间隔开的第一和第二电极(5a,5b) 所述感测元件设置在所述衬底中或衬底上并且位于所述第一和第二电极(5a,5b)之间,形成一对感测电极,用于感测感测元件(3)在基本上平行于 感测材料表面,至少一个感测电极(5a,5b)通过电介质层(4)与感测元件(3)电绝缘,以便电容耦合到感测元件(3)。 可以可选地设置覆盖感测元件(3)和可选地感测电极并适于与外部介质(8)接触的绝缘层或靶特定层(7)。 在一对感测电极(5a,5b)之间进行的电测量受到待测试介质(8)的存在影响的通道(3)的阻抗的影响。