Methods of operating electronic devices including touch sensitive interfaces using force/deflection sensing and related devices and computer program products
First Claim
1. An electronic device comprising:
- a touch sensitive user interface;
a contact detector configured to detect a location of contact on a surface of the touch sensitive user interface;
a force/deflection detector configured to detect a force/deflection on/of the surface of the touch sensitive user interface using electromagnetic radiation; and
a controller coupled to the touch sensitive user interface wherein the controller is configured to provide a first response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is less than a threshold, and to provide a second response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is greater that the threshold, wherein the first and second responses are different,wherein the touch sensitive user interface comprises a liquid crystal display including a liquid crystal material,wherein the liquid crystal display is configured to generate a display output using visible light,wherein the force/deflection detector is configured to detect the force/deflection on/of the surface of the touch sensitive user interface using non-visible electromagnetic radiation,wherein the force/deflection detector includes a selectively reflective layer on the surface of the touch sensitive user interface,wherein the selectively reflective layer is reflective with respect to the non-visible electromagnetic radiation and transmissive with respect to the visible light of the liquid crystal display,an electromagnetic radiation source configured to transmit the non-visible electromagnetic radiation onto the selectively reflective layer; and
an electromagnetic radiation detector configured to detect portions of the non-visible electromagnetic radiation reflected from the selectively reflective layer.
1 Assignment
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Accused Products
Abstract
An electronic device may include a touch sensitive user interface and a contact detector configured to detect a location of contact on a surface of the touch sensitive user interface. A force detector may be configured to detect a force/deflection on/of the surface of the touch sensitive user interface using electromagnetic radiation. A controller may be coupled to the touch sensitive user interface. The controller may be configured to provide a first response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is less than a threshold. The controller may be further configured to provide a second response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is greater that the threshold with the first and second responses being different. Related methods are also discussed.
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Citations
18 Claims
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1. An electronic device comprising:
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a touch sensitive user interface; a contact detector configured to detect a location of contact on a surface of the touch sensitive user interface; a force/deflection detector configured to detect a force/deflection on/of the surface of the touch sensitive user interface using electromagnetic radiation; and a controller coupled to the touch sensitive user interface wherein the controller is configured to provide a first response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is less than a threshold, and to provide a second response to the contact on the surface of the touch sensitive user interface when the detected force/deflection is greater that the threshold, wherein the first and second responses are different, wherein the touch sensitive user interface comprises a liquid crystal display including a liquid crystal material, wherein the liquid crystal display is configured to generate a display output using visible light, wherein the force/deflection detector is configured to detect the force/deflection on/of the surface of the touch sensitive user interface using non-visible electromagnetic radiation, wherein the force/deflection detector includes a selectively reflective layer on the surface of the touch sensitive user interface, wherein the selectively reflective layer is reflective with respect to the non-visible electromagnetic radiation and transmissive with respect to the visible light of the liquid crystal display, an electromagnetic radiation source configured to transmit the non-visible electromagnetic radiation onto the selectively reflective layer; and an electromagnetic radiation detector configured to detect portions of the non-visible electromagnetic radiation reflected from the selectively reflective layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of operating an electronic device including a touch sensitive user interface, the method comprising:
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detecting a location of contact on a surface of the touch sensitive user interface; detecting a force/deflection on/of the surface of the touch sensitive user interface using electromagnetic radiation; when the detected force/deflection is less than a threshold, providing a first response to the contact on the surface of the touch sensitive user interface; when the detected force/deflection on/of is greater that the threshold, providing a second response to the contact on the surface of the touch sensitive user interface, wherein the first and second responses are different; generating a display output to a liquid crystal display, including a liquid crystal material, using visible light; wherein detecting the force/deflection further comprises, detecting the force/deflection on/of the surface of the touch sensitive user interface using non-visible electromagnetic radiation, reflecting non-visible electromagnetic radiation using a selectively reflective layer on the surface of the touch sensitive user interface, transmitting visible light to the liquid crystal display through the selectively reflective layer on the surface of the touch sensitive user interface, transmitting the non-visible electromagnetic radiation from an electromagnetic radiation source onto the selectively reflective layer, and detecting portions of the non-visible electromagnetic radiation reflected from the selectively reflective layer, using an electromagnetic radiation detector. - View Dependent Claims (15, 16, 17, 18)
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Specification