Techniques for Controlling Operation of a Device with a Virtual Touchscreen
First Claim
Patent Images
1. A method, comprising:
- defining an area of a surface associated with a device as a virtual touchscreen; and
initiating an operation within the device based on activity within the virtual touchscreen.
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Abstract
A technique for controlling operation of a device with a virtual touchscreen includes defining an area of a surface, associated with the device, as the virtual touchscreen. An operation within the device is then initiated based on activity within the virtual touchscreen. An overlay may be provided, on a display screen of the device, to indicate a location of the virtual touchscreen with respect to, for example, a keyboard of the device.
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Citations
20 Claims
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1. A method, comprising:
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defining an area of a surface associated with a device as a virtual touchscreen; and initiating an operation within the device based on activity within the virtual touchscreen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus, comprising:
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infrared cameras positioned to view a surface associated with a device; and a processor coupled to the infrared cameras, wherein the processor is configured to; define an area of the surface as a virtual touchscreen; and initiate an operation within the device based on activity within the virtual touchscreen. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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defining an area of a surface, associated with a palmrest of a device, as a virtual touchscreen; associating an operation with the virtual touchscreen; and initiating the operation within the device based on activity within the virtual touchscreen.
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Specification