User Input Displays for Mobile Devices
First Claim
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1. A mobile device for detecting user input on a display, the mobile device comprising:
- a hand-held display unit comprising;
a display having an electromagnetic radiation detector, wherein the electromagnetic radiation detector is configured to detect an electromagnetic radiation profile responsive to a position of a user input object when the position of the user input object is spaced apart from the display; and
a controller configured to identify a user input from the electromagnetic radiation profile.
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Abstract
A mobile device for detecting user input on a display is provided. The mobile device includes a hand-held display unit. The hand-held display unit includes a display having an electromagnetic radiation detector. The electromagnetic radiation detector is configured to detect an electromagnetic radiation profile responsive to a position of a user input object when the position of the user input object is spaced apart from the display. A controller is configured to identify a user input from the electromagnetic radiation profile.
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Citations
19 Claims
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1. A mobile device for detecting user input on a display, the mobile device comprising:
a hand-held display unit comprising; a display having an electromagnetic radiation detector, wherein the electromagnetic radiation detector is configured to detect an electromagnetic radiation profile responsive to a position of a user input object when the position of the user input object is spaced apart from the display; and a controller configured to identify a user input from the electromagnetic radiation profile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A touch-sensitive display system comprising:
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a display comprising an electromagnetic radiation emitter, an electromagnetic radiation detector, and a refractive medium, wherein the electromagnetic radiation emitter is configured to emit electromagnetic radiation in a direction toward the refractive medium, and the refractive medium is configured to reflect electromagnetic radiation in a direction toward the detector in an absence of contact from a user input object and to change a direction of reflected electromagnetic radiation responsive to contact from a user input object; and a controller configured to identify a user input responsive to an amount of electromagnetic radiation detected by the electromagnetic radiation detector. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for detecting user input on a display, the method comprising:
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emitting electromagnetic radiation away from the display; detecting an electromagnetic radiation profile using an array of detectors on the display, wherein the electromagnetic radiation profile comprises electromagnetic radiation reflected from a user input object towards the display when a position of the user input object is spaced apart from the display; and identifying a user input responsive to the electromagnetic radiation profile.
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Specification