Driving apparatus for vibration type actuator and driving...

Details Driving apparatus for vibration type actuator and driving... Driving apparatus for vibration type actuator and driving...

2007-11-20

2007-11-20

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Impact, mechanical shock, or vibration-producing motors

C310S316030, C310S317000

Reexamination Certificate

active

10554658

ABSTRACT:
A driving apparatus for a vibration type actuator is disclosed, which can boost the power source voltage and can reduce the cost and the size of the apparatus. The driving apparatus comprises an inductor being connected to a power source, a pulse generation circuit generating a first and second pulse signals that have a phase difference; a first switching element switching a supply operation for supplying the energy accumulated in the inductor to the electro-mechanical energy conversion element according to the first pulse signal; and a second switching element switching a discharge operation for discharging the energy accumulated in the electro-mechanical energy conversion element according to the second pulse signal.

REFERENCES:
patent: 5130598 (1992-07-01), Verheyen et al.
patent: 6954022 (2005-10-01), Kataoka
patent: 2003/0006722 (2003-01-01), Hayashi

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