Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2005-11-15
2005-11-15
Schuberg, Darren (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S316010, C310S316020, C318S116000
Reexamination Certificate
active
06965188
ABSTRACT:
An ultrasonic-actuator driving apparatus includes an ultrasonic actuator including a transducer and a driven body that is in contact with the transducer, the transducer to which a frequency signal is applied friction-driving the driven body; an original-signal outputting unit for outputting an original signal; a waveform averaging unit for averaging the original signals during a predetermined period to calculate average-waveform data; a position detecting unit for detecting an absolute position of the driven body with respect to the transducer; a position averaging unit for averaging the absolute positions during a predetermined period to calculate average-position data; a control-signal calculating unit that generates a control signal for controlling the frequency of the original signal based on the average-waveform data and the average-position data and supplies the control signal to the original-signal outputting unit; and a driving unit for generating the frequency signal based on the original signal and applying the frequency signal to the transducer.
REFERENCES:
patent: 4587958 (1986-05-01), Noguchi et al.
patent: 5365139 (1994-11-01), Kasuga et al.
patent: 5416374 (1995-05-01), Inoue et al.
patent: 5438229 (1995-08-01), Ohtsuchi et al.
patent: 5767609 (1998-06-01), Suganuma
patent: 6031316 (2000-02-01), Kataoka
patent: 2004/0201308 (2004-10-01), Kasai
patent: 2005/0052095 (2005-03-01), Kasai et al.
patent: 2005/0116583 (2005-06-01), Nishio et al.
Aguirrechea J.
Olympus Corporation
Schuberg Darren
Scully Scott Murphy & Presser
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