Driving unit

Details Driving unit Driving unit

2007-12-11

2007-12-11

Duda, Rina (Department: 2837)

Electricity: motive power systems

Positional servo systems

C318S119000, C318S432000, C318S599000, C318S811000, C361S152000, C361S154000

Reexamination Certificate

active

11150284

ABSTRACT:
A driving unit of the present invention comprises a moving element, an elastic body configured to support the moving element, a permanent magnet fixed on said moving element, an electromagnet disposed to be opposed to said permanent magnet, and a controller. The moving element and the elastic body constitute a resonance system. The electromagnet includes a magnetic material and a coil wounded around the magnetic material. The controller magnetizes the magnetic material by feeding a current through the coil and gives a vibration force to the moving element by magnetic force acting between the magnetic material and the permanent magnet. The feature of the present invention resides in that the controller determines a current waveform necessary for an intended motion of the moving element, and applies a voltage to the coil intermittently so that a current in the form of the current waveform flows through said coil.

REFERENCES:
patent: 5621603 (1997-04-01), Adamec et al.
patent: 5673165 (1997-09-01), Kuhn et al.
patent: 6133701 (2000-10-01), Gokturk et al.
patent: 6819209 (2004-11-01), Yajima et al.
patent: 2001/0008355 (2001-07-01), Gökturk et al.
patent: 2004/0108824 (2004-06-01), Ueda et al.
patent: 2005/0127759 (2005-06-01), Kraus et al.
patent: 102 25 024 (2003-12-01), None
patent: 0 952 663 (1999-10-01), None
patent: 1 117 176 (2001-07-01), None
patent: 2000-014190 (2000-01-01), None
patent: 3382061 (2002-12-01), None

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