Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2007-09-18
2007-09-18
Williams, Hezron (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C330S295000, C455S103000, C073S579000
Reexamination Certificate
active
11051787
ABSTRACT:
A transducer-based sensor system including a drive signal generator for generating a drive signal, a transducer coupled to the drive signal generator and configured to receive the drive signal, a mixer coupled to the transducer and configured to receive output from the transducer where such output results at least in part from physical movement of the transducer, and a diplexer operatively coupled with an output of the mixer and configured to present a substantially matched output impedance to the mixer over an operative range of output frequencies.
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Hewlett--Packard Development Company, L.P.
Miller Rose M
Williams Hezron
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