Driver and driving method

Details Driver and driving method Driver and driving method

2009-11-05

2011-10-18

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

08040019

ABSTRACT:
Conventional drivers for transducers oftentimes did not provide an efficient driving mechanism because the driving signal was not “close enough” to the natural frequency of the transducer. Here, a driver for a transducer is provided that measures the natural frequency of the transducer and generates a driving signal accordingly. Thus, a more efficient driver is provided.

REFERENCES:
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patent: 6144139 (2000-11-01), Noma et al.
patent: 6183426 (2001-02-01), Akisada et al.
patent: 6198198 (2001-03-01), Fujimura et al.
patent: 6246153 (2001-06-01), Bishop et al.
patent: 7352107 (2008-04-01), Micko
patent: 7408290 (2008-08-01), May et al.

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