Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2006-11-14
2006-11-14
Budd, Mark (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S317000, C310S319000, C310S321000, C310S334000, C600S447000, C073S626000
Reexamination Certificate
active
07135806
ABSTRACT:
A sensor system including a plurality of transducer groups, with each transducer group having a plurality of transducers. The transducers of each group are adapted to be placed in operative proximity with a sample material. Within each transducer group, each transducer is actuable via application of a different phase-shifted variant of a local oscillator signal to the transducer. The sensor system is also configured so that, for each transducer group, the phase-shifted variants of the local oscillator signal are selectively employed during output processing to inhibit cross-transducer interference occurring between simultaneously active transducers.
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Budd Mark
Hewlett--Packard Development Company, L.P.
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