Magnetic actuator for providing haptic feedback
First Claim
Patent Images
1. An apparatus comprising:
- a braking surface;
an electromagnet core disposed in the braking surface;
a disk operable to contact the braking surface such that a gap is defined between the disk and the electromagnet core; and
a damping material disposed within the gap.
1 Assignment
0 Petitions
Accused Products
Abstract
Apparatus for providing haptic feedback are described. One described apparatus comprises a braking surface, an electromagnet core disposed in the braking surface, a disk operable to contact the braking surface such that a gap is defined between the disk and the braking surface, and a damping material disposed within the gap.
-
Citations
25 Claims
-
1. An apparatus comprising:
-
a braking surface;
an electromagnet core disposed in the braking surface;
a disk operable to contact the braking surface such that a gap is defined between the disk and the electromagnet core; and
a damping material disposed within the gap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. An apparatus comprising:
-
a manipulandum; and
a resistive actuator coupled to the manipulandum, the resistive actuator comprising;
a braking surface;
an electromagnet core disposed in the braking surface;
a disk operable to contact the braking surface such that a gap is defined between the disk and the electromagnet core; and
a damping material disposed within the gap. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method comprising:
-
providing a braking surface;
providing an electromagnet core disposed in the braking surface;
providing a disk operable to contact the braking surface such that a gap is defined between the disk and the electromagnet core; and
providing a damping material disposed within the gap. - View Dependent Claims (22)
-
-
23. A method comprising:
-
providing a manipulandum; and
providing a resistive actuator coupled to the manipulandum, the resistive actuator comprising;
an braking surface;
an electromagnet core disposed in the braking surface;
a disk operable to contact the braking surface such that a gap is defined between the disk and the electromagnet core; and
a damping material disposed with the gap. - View Dependent Claims (24)
-
-
25. An apparatus comprising:
-
a manipulandum; and
a resistive actuator coupled to the manipulandum, the resistive actuator comprising;
a cylindrical braking surface having a braking surface length, a cylindrical electromagnet core disposed in the cylindrical braking surface, the cylindrical electromagnetic core having an electromagnetic core length less than the braking surface length, a disk operable to contact the cylindrical braking surface thereby defining a gap between the disk and the cylindrical electromagnet core, and a damping material disposed within the gap, the damping material comprising a damping grease; and
a processor configured to generate a control signal wherein the control signal is configured to produce a haptic effect.
-
Specification