PROJECTION DEVICE WITH TOUCH SENSITIVE KEYPAD
First Claim
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1. A projection device, comprising:
- a plurality of touch sensitive buttons;
a backlight system for selectively illuminating each of the plurality of touch sensitive buttons; and
a control device configured to control the backlight system to vary illumination of the plurality of touch sensitive buttons as a projection device operating state varies.
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Abstract
A projection device that includes a plurality of touch sensitive buttons, a backlight system for selectively illuminating each of the plurality of touch sensitive buttons, and a control device configured to control the backlight system to vary illumination of the plurality of touch sensitive buttons as a projection device operating state varies.
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Citations
20 Claims
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1. A projection device, comprising:
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a plurality of touch sensitive buttons; a backlight system for selectively illuminating each of the plurality of touch sensitive buttons; and a control device configured to control the backlight system to vary illumination of the plurality of touch sensitive buttons as a projection device operating state varies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A projection device, comprising
a plurality of touch sensitive buttons, each of the plurality of touch sensitive buttons generating an activation signal in response to being touched by a user; -
a backlight system for selectively illuminating each of the plurality of touch sensitive buttons; and a control device configured to control the backlight system to control illumination of the plurality of touch sensitive buttons according to a first lighting scheme to indicate a first operating state of the projection device, in response to receiving the activation signal transform an aspect of projection device functionality to place the projection device in a second operating state, and control the backlight system to control illumination of the plurality of touch sensitive buttons according to a second lighting scheme different from the first lighting scheme to indicate the second operating state of the projection device. - View Dependent Claims (14, 15, 16, 17)
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18. A front projection device comprising
a plurality of touch sensitive buttons flush with a surface of the projection device, each of the plurality of touch sensitive buttons generating an activation signal in response to being touched by a user; -
a plurality of light emitting diodes, each of the plurality of light emitting diodes configured to selectively illuminate at least one of the plurality of touch sensitive buttons; a plurality of light diffusers, each of the plurality of light diffusers associated with a selected one or more of the plurality of light emitting diodes and a selected one of the plurality of touch sensitive buttons, each of the plurality of light diffusers configured to diffuse light generated by the selected one or more of the plurality of light emitting diodes evenly across the selected one of the plurality of touch sensitive buttons; an orientation device configured to generate an orientation signal indicating an orientation of the projection device; and a control device configured to receive an activation signal from at least one of the plurality of touch sensitive buttons, adjust an operating state of the projection device that transforms an image projected to a remote viewing surface by the front projection device responsive to the activation signal, and wherein the control device is configured to control the plurality of light emitting diodes to selectively illuminate the plurality of touch sensitive buttons based on the orientation of the projection device as indicated by the orientation signal. - View Dependent Claims (19, 20)
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Specification