Vibrator
First Claim
Patent Images
1. A vibrator comprising:
- a massive, magnetic member arranged for movement about a reference position, said member comprising a first permanent magnet;
electromagnetic actuator means for causing said member to move, said actuator means comprising an electromagnetic coil; and
magnetic means arranged on either side of said member for suspending said member therebetween, said magnetic means comprising second and third permanent magnets arranged respectively on either side of said first permanent magnet.
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Accused Products
Abstract
A vibrator (2) comprising:
a massive, magnetic member (16) arranged for movement about a reference position; and
electromagnetic actuator means (12) for causing said member to move; and
magnetic suspension means (8, 10) arranged on either side of said member for suspending said member therebetween.
16 Citations
7 Claims
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1. A vibrator comprising:
- a massive, magnetic member arranged for movement about a reference position, said member comprising a first permanent magnet;
electromagnetic actuator means for causing said member to move, said actuator means comprising an electromagnetic coil; and magnetic means arranged on either side of said member for suspending said member therebetween, said magnetic means comprising second and third permanent magnets arranged respectively on either side of said first permanent magnet. - View Dependent Claims (2, 3, 4, 5, 6)
- a massive, magnetic member arranged for movement about a reference position, said member comprising a first permanent magnet;
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7. A vibrator comprising:
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a magnetic member arranged for movement about an equilibrium position; electromagnetic actuator means for causing said member to move; and magnetic means arranged on either side of said member for magnetically positioning said member therebetween in the equilibrium position.
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Specification