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发明授权
US5870695A Differential pressure measurement arrangement utilizing remote sensor units 失效
使用远程传感器单元的差压测量装置

Differential pressure measurement arrangement utilizing remote sensor units
摘要：
A master transmitter couples to first and second slave units through a bus. The slave units provide outputs to the bus related to first and second pressures of a process. The bus provides power to the units and carries signals. The master transmitter is adapted to couple to a two-wire process control loop which wholly powers the system.
摘要（中）：

主发送器通过总线耦合到第一和第二从属单元。 从属单元向总线提供与过程的第一和第二压力相关的输出。 总线为单元供电并携带信号。 主发送器适于耦合到完全为系统供电的两线制过程控制回路。

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