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A projection keyboard. A projection keyboard is a form of computer input device whereby the image of a virtual keyboard is projected onto a surface: when a user touches the surface covered by an image of a key, the device records the corresponding keystroke. Some connect to Bluetooth devices, including many of the latest smartphone, tablet, and ...
For those on the go, a physical keyboard can be a hassle. Save some room with this laser projection keyboard.
A laser projection device approximately the size of a computer mouse projects the outline of keyboard keys onto a flat surface, such as a table or desk. This type of keyboard is portable enough to be easily used with PDAs and cellphones, and many models have retractable cords and wireless capabilities.
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Projection keyboards can simulate a full size keyboard from a very small projector. Because the "keys" are simply projected images, they cannot be felt when pressed. Users of projected keyboards often experience increased discomfort in their fingertips because of the lack of "give" when typing.
In 2002, at Demo Mobile, the company announced its first application, a projection keyboard for mobile devices. In this application, a keyboard made of light is projected onto a flat surface, the user types on the flat surface, and Canesta's electronic perception technology translates finger movements into keystrokes in the device.
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