Dynamic tactile interface
First Claim
1. A dynamic tactile interface with an anti-reflective coating comprising:
- a tactile layer defining a first region and a deformable region adjacent the first region;
a substrate coupled to the tactile layer at the first region, defining a variable volume adjacent the deformable region and defining a fluid channel fluidly coupled to the variable volume;
a set of rigid structures distributed across the tactile layer and over the tactile layer, the set of rigid structures comprising a first subset of rigid structures coincident the first region and a second subset of rigid structures coincident the deformable region, wherein;
the set of rigid structures comprises a set of acrylate polymer spherical nanoparticles exhibiting maximum diameters less than 300 nanometers,orthe first subset of rigid structures comprises rigid structures of a trapezoidal cross-section and a first size and the second subset of rigid structures comprises rigid structures of a hemispherical shape and second size, the first size exhibiting a maximum dimension greater than a corresponding maximum dimension of the second size; and
a displacement device fluidly coupled to the fluid channel, the displacement device displacing fluid into the fluid channel to transition the deformable region from a retracted setting to an expanded setting, the deformable region tactilely distinguishable from the first region in the expanded setting, the second subset of rigid structures conforming to the deformable region, each rigid structure in the second subset of rigid structures shifting relative to an adjacent rigid structure in the second subset of rigid structures and shifting relative to each rigid structure in the first subset of rigid structures, the first subset of rigid structures conforming to the first region.
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Accused Products
Abstract
A dynamic tactile interface including a tactile layer defining a first region and a deformable region adjacent the first region; a substrate coupled to the tactile layer at the first region, defining a variable volume adjacent the deformable region and defining a fluid channel fluidly coupled to the variable volume; a set of rigid structures distributed across the tactile layer defining an anti-reflective coating over the tactile layer; and a displacement device fluidly coupled to the fluid channel, the displacement device displacing fluid into the fluid channel to transition the deformable region from a retracted setting to an expanded setting, the deformable region tactilely distinguishable from the first region in the expanded setting, the set of rigid structures conforming to the tactile layer, each rigid structure in the set of rigid structures shifting relative to an adjacent rigid structure in the set of rigid structures.
568 Citations
18 Claims
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1. A dynamic tactile interface with an anti-reflective coating comprising:
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a tactile layer defining a first region and a deformable region adjacent the first region; a substrate coupled to the tactile layer at the first region, defining a variable volume adjacent the deformable region and defining a fluid channel fluidly coupled to the variable volume; a set of rigid structures distributed across the tactile layer and over the tactile layer, the set of rigid structures comprising a first subset of rigid structures coincident the first region and a second subset of rigid structures coincident the deformable region, wherein; the set of rigid structures comprises a set of acrylate polymer spherical nanoparticles exhibiting maximum diameters less than 300 nanometers, or the first subset of rigid structures comprises rigid structures of a trapezoidal cross-section and a first size and the second subset of rigid structures comprises rigid structures of a hemispherical shape and second size, the first size exhibiting a maximum dimension greater than a corresponding maximum dimension of the second size; and a displacement device fluidly coupled to the fluid channel, the displacement device displacing fluid into the fluid channel to transition the deformable region from a retracted setting to an expanded setting, the deformable region tactilely distinguishable from the first region in the expanded setting, the second subset of rigid structures conforming to the deformable region, each rigid structure in the second subset of rigid structures shifting relative to an adjacent rigid structure in the second subset of rigid structures and shifting relative to each rigid structure in the first subset of rigid structures, the first subset of rigid structures conforming to the first region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A dynamic tactile interface with an anti-reflective coating comprising:
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a tactile layer defining a first region and a deformable region adjacent the first region; a substrate coupled to the tactile layer at the first region, defining a variable volume adjacent the deformable region and defining a fluid channel fluidly coupled to the variable volume; a set of rigid structures distributed across the tactile layer and over the tactile layer, the set of rigid structures comprising a first subset of rigid structures coincident the first region and a second subset of rigid structures coincident the deformable region, wherein the set of rigid structures defines an anti-reflective layer coupled to and arranged over the tactile layer along an attachment surface of the anti-reflective layer, the anti-reflective layer substantially firm, the set of rigid structures patterned across a surface of the anti-reflective layer opposite the attachment surface and extending from the attachment surface; and
wherein the displacement device transitions the deformable region into the expanded setting, a portion of the anti-reflective layer coincident the deformable region conforming to the deformable region, a second portion of the anti-reflective layer coincident the first region conforming to the first region, andwherein; the anti-reflective layer comprises a transparent layer defining a set of frusta patterned across the anti-reflective layer, a base of each frustum in the set of frusta spaced a distance from the base of each adjacent frustum, the anti-reflective layer preferentially cracking between adjacent frusta forming a substantially linear fissure, or the anti-reflective layer defines a set of hexagonal rigid structures chambered in a honeycomb pattern, the anti-reflective layer preferentially cracking along a periphery of each hexagonal rigid structure.
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14. A dynamic tactile interface with an anti-reflective coating comprising:
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a tactile layer defining a first region and a deformable region adjacent the first region; a substrate coupled to the tactile layer at the first region, defining a variable volume adjacent the deformable region and defining a fluid channel fluidly coupled to the variable volume; a set of rigid structures distributed across the tactile layer and over the tactile layer, the set of rigid structures comprising a first subset of rigid structures coincident the first region and a second subset of rigid structures coincident the deformable region, wherein the set of rigid structures comprises porous silica nanoparticles fully embedded within the tactile layer, the set of rigid structures defining a first layer of rigid structures and a second layer of rigid structures arranged under the first layer of rigid structures, the first layer of rigid structures staggered relative to rigid structures of the second layer of rigid structures and horizontally offset from a vertical projection of the rigid structures of the second layer of rigid structures. - View Dependent Claims (15, 16, 17, 18)
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Specification