Products and processes for providing haptic feedback in resistive interface devices
First Claim
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1. An apparatus comprising:
- a first element comprising a first surface;
a second element comprising a second surface, the second surface in contact with the first surface, the second surface configured to be displaced relative to the first element in a degree of freedom, at least one of the first surface and the second surface comprising a thermoplastic polymer,wherein a coefficient of static friction of the first surface and the second surface is less than or substantially equal to a coefficient of dynamic friction of the first surface and the second surface; and
an actuator configured to vary a force between the first surface and the second surface.
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Abstract
Products and processes for providing haptic feedback in a user interface are disclosed. One exemplary embodiment of an apparatus comprises a first element comprising a first surface, a second element comprising a second surface, and an actuator configured vary a force between the first and second surfaces. In one embodiment, the second element may be configured to be displaced relative to first element in a degree of freedom. In another embodiment, at least one of the first surface and the second surface may comprise a thermoplastic polymer.
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Citations
23 Claims
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1. An apparatus comprising:
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a first element comprising a first surface; a second element comprising a second surface, the second surface in contact with the first surface, the second surface configured to be displaced relative to the first element in a degree of freedom, at least one of the first surface and the second surface comprising a thermoplastic polymer, wherein a coefficient of static friction of the first surface and the second surface is less than or substantially equal to a coefficient of dynamic friction of the first surface and the second surface; and an actuator configured to vary a force between the first surface and the second surface. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus comprising:
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a magnetic target comprising a surface; a magnetic core comprising a surface disposed in facing opposition to the surface of the magnetic target; and a frictional element interposed between the surface of the magnetic target and the surface of the magnetic core, the frictional element comprising a thermoplastic polymer, wherein a distance between the surface of the magnetic target and the surface of the magnetic core comprises a range between approximately 0.0005 and approximately 0.0040 inches. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. An apparatus comprising:
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a magnetic target; an actuator in communication with the magnetic target; and a frictional element in communication with the actuator and operable to exert a resistive force against the magnetic target, the frictional element comprising a thermoplastic polymer, the frictional element coupled with the magnetic target, wherein a coefficient of static friction of the frictional element and the magnetic target is less than or substantially equal to a coefficient of dynamic friction of the frictional element and the magnetic target. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification