Invention Grant
- Patent Title: Two-wire electronics interface sensor with integrated mechanical transducing and temperature monitoring capability
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Application No.: US14821727Application Date: 2015-08-08
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Publication No.: US09939315B2Publication Date: 2018-04-10
- Inventor: George V. Zusman
- Applicant: Vibration Measurement Solutions, Inc.
- Applicant Address: US TX Houston
- Assignee: Vibration Measurement Solutions, Inc.
- Current Assignee: Vibration Measurement Solutions, Inc.
- Current Assignee Address: US TX Houston
- Agent Walter W. Duft
- Main IPC: G01H11/08
- IPC: G01H11/08 ; G01K1/02

Abstract:
A sensor with integrated mechanical transducing and temperature monitoring capability is provided. The sensor includes housing containing a transducer, a temperature sensor with associated bias, a summing circuit, and a two-wire cable connector. The transducer is operable to output a dynamic transducer waveform that corresponds to dynamic mechanical perturbations sensed by the transducer. The temperature sensor is operable to output a quasi-static temperature waveform that corresponds to temperatures sensed by the temperature sensor. The summing circuit is operable to combine the transducer waveform and the temperature waveform into a composite modulated voltage bias output signal or a modulated current bias output signal. The two-wire cable connector is accessible on an outside of the housing and is connectable to a two wire cable that delivers power to the sensor from a power source and delivers the composite output signal from the sensor to a remote data acquisition circuit.
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