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    • 4. 发明授权
    • MEMS SAW sensor
    • MEMS SAW传感器
    • US07243547B2
    • 2007-07-17
    • US10964519
    • 2004-10-13
    • Cornel P. CobianuIoan PavelescuJames D. Cook
    • Cornel P. CobianuIoan PavelescuJames D. Cook
    • H02N2/00
    • G01L9/0025
    • Devices and methods for acoustically measuring temperature and pressure are disclosed. An illustrative SAW sensor can include an electrode structure that transmits and receives surface acoustic waves along a SAW delay line, a temperature sensor for measuring temperature along a first direction of the SAW delay line, and a pressure sensor for measuring pressure along a second direction of the SAW delay line. The SAW sensor can include an antenna that wirelessly transmits and receives RF signals to and from an electrical interrogator unit that can be used to power the SAW sensor.
    • 公开了用于声学测量温度和压力的装置和方法。 示意性SAW传感器可以包括沿着SAW延迟线发送和接收表面声波的电极结构,用于沿着SAW延迟线的第一方向测量温度的温度传感器和用于沿着SAW延迟线的第二方向测量压力的压力传感器 SAW延迟线。 SAW传感器可以包括天线,该天线将无线传输和接收来自可以用于为SAW传感器供电的电询问器单元的RF信号。
    • 6. 发明授权
    • Offset pressure sensor
    • 偏置压力传感器
    • US5412994A
    • 1995-05-09
    • US259429
    • 1994-06-14
    • James D. CookAlbert W. DrabowiczD. Joseph MaurerMark R. PlagensUppili SridharCarl E. Stewart
    • James D. CookAlbert W. DrabowiczD. Joseph MaurerMark R. PlagensUppili SridharCarl E. Stewart
    • G01L9/00G01L19/04G01L19/14G01L7/00
    • G01L19/0061G01L19/0038G01L19/04G01L19/14
    • A pressure sensor is provided in which the pressure sensing components are isolated from a portion of an attached buffer member which is connected to a fluid conduit. The offset characteristic of the pressure sensor isolates stress from being transmitted between an attached external fluid conduit and the sensitive components of the pressure sensor. One embodiment of the pressure sensor solders a fluid conduit structure to a buffer member that is attached to a pressure sensor die. An alternative embodiment of the present invention avoids the need for making solder connections between the sensor structure and external components by utilizing elastomeric conductors and pressure seals in association with the pressure sensor composite structure and first and second housing structures. These elastomeric conductors also provide improved stress isolation. The housing structures are used to compress to the seal and the elastomeric conductor against selected portions of the composite sensor.
    • 提供了压力传感器,其中压力感测部件与连接到流体导管的连接的缓冲部件的一部分隔离。 压力传感器的偏移特性将应力隔离在附接的外部流体管道和压力传感器的敏感部件之间传递。 压力传感器的一个实施例将流体导管结构焊接到附接到压力传感器管芯的缓冲构件。 本发明的替代实施例避免了通过利用与压力传感器复合结构和第一和第二壳体结构相关联的弹性体导体和压力密封来进行传感器结构和外部部件之间的焊接连接的需要。 这些弹性体导体也提供改进的应力隔离。 壳体结构用于压缩密封件和弹性体导体,以抵抗复合传感器的选定部分。
    • 7. 发明授权
    • Flowthrough pressure sensor
    • 流通压力传感器
    • US5410916A
    • 1995-05-02
    • US265472
    • 1994-06-24
    • James D. Cook
    • James D. Cook
    • G01L9/00G01L19/00G01L9/04
    • G01L19/142G01L19/0023G01L19/0038G01L19/0084
    • A flowthrough pressure sensor is provided which avoids the creation of crevices and creases that could provide difficult to cleanse regions. The pressure sensor is particularly adapted for use in applications that require cleansing to avoid the build up of bacterial-laden material. The flowthrough pressure sensor is particularly adapted for use in the measurement of bodily fluids. A first conduit is connected in fluid communication with the second conduit which, in turn, is associated with a pressure sensitive element and two compressible seals. A housing member is provided with an opening into which the compressible seals in the pressure sensitive element are disposed. A latching mechanism is provided to force the housing against a boss portion of the first conduit so that the seals and the pressure sensitive element are compressed therebetween.
    • 提供了一种流通压力传感器,其避免了可能提供难以清洁的区域的缝隙和褶皱的产生。 压力传感器特别适用于需要清洁以避免含细菌物质积聚的应用中。 流通压力传感器特别适用于测量体液。 第一管道与第二管道流体连通地连接,第二管道又与压敏元件和两个可压缩密封件相关联。 壳体构件设置有开口,压敏元件中的可压缩密封件设置在该开口中。 提供一种闭锁机构来迫使壳体抵靠第一导管的凸台部分,使得密封件和压敏元件在它们之间被压缩。