Low power signal processing and measurement apparatus

Details Low power signal processing and measurement apparatus Low power signal processing and measurement apparatus

1995-03-13

1997-07-22

Williams, Hezron E.

Measuring and testing

Volume or rate of flow

By measuring transit time of tracer or tag

7386118, 7386128, G01F 1712, G01F 166

Patent

active

056505710

ABSTRACT:
A low power apparatus for measuring various process parameters and/or physical properties of a fluid or gas medium by measuring the change of a wave signal or time dependent signal as it traverses the fluid or gas medium, the apparatus comprising: at least one transmission transducer for providing a transmitted wave or time dependent signal for injection into the fluid or gas medium; at least one reception transducer, displaced from the transmission transducer for receiving a received wave or time dependent signal from the fluid or gas medium; and an analog signal processor, coupled to the reception transducer, for processing of the received wave or time dependent signal such that a short interval of the processed received wave or time dependent signal is extracted.

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