PIEZOELECTRIC HAPTIC FEEDBACK STRUCTURE
First Claim
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1. An input device comprising:
- a supporting base defining a cavity;
a piezoelectric actuator assembly at least partially suspended within the cavity;
a perimeter hinge securing a perimeter portion of the piezoelectric actuator assembly while permitting movement of a central portion of the piezoelectric actuator assembly; and
a force-communicator configured to communicate haptic feedback based at least on movement of the central portion of the piezoelectric actuator assembly.
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Abstract
A piezoelectric haptic feedback structure disclosed herein includes a supporting base defining a cavity and a piezoelectric actuator assembly at least partially suspended within the cavity. A perimeter hinge secures a perimeter portion of the piezoelectric actuator assembly while permitting movement of a central portion of a piezoelectric actuator. The piezoelectric actuator haptic feedback structure further includes a force-communicating structure that communicates haptic feedback responsive to movement of the central portion of the piezoelectric actuator assembly within the cavity.
50 Citations
20 Claims
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1. An input device comprising:
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a supporting base defining a cavity; a piezoelectric actuator assembly at least partially suspended within the cavity; a perimeter hinge securing a perimeter portion of the piezoelectric actuator assembly while permitting movement of a central portion of the piezoelectric actuator assembly; and a force-communicator configured to communicate haptic feedback based at least on movement of the central portion of the piezoelectric actuator assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A haptic feedback device comprising:
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a supporting base defining a cavity sized and shaped to receive a portion of a piezoelectric actuator assembly; a perimeter hinge securing a perimeter portion of the piezoelectric actuator assembly against the supporting base while permitting movement of a central portion of the piezoelectric actuator assembly within the cavity; and a force-communicator configured to communicate haptic feedback based at least on movement of the central portion of the piezoelectric actuator assembly. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method comprising:
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moving a central portion of a piezoelectric actuator assembly to communicate a force, the piezoelectric actuator secured at a plurality of perimeter points and at least partially suspended within a cavity defined by a supporting base; and communicating haptic feedback via a force-communicator based on movement of the piezoelectric actuator assembly within the cavity. - View Dependent Claims (18, 20)
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19. The method of claim 19, further comprising:
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receiving the applied pressure at a wide neck portion of the force-communicator; and transferring the pressure to the piezoelectric actuator assembly through a narrow base portion of the force-communicator.
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Specification