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2. Surface computing - Wikipedia

   en.wikipedia.org/wiki/Surface_Computing

   Flat surface types refer to two-dimensional surfaces such as tabletops. This is the most common form of surface computing in the commercial space as seen by products like Microsoft's PixelSense and iTable. The aforementioned commercial products utilize a multi-touch LCD screen as a display, but other implementations use projectors.

3. Virtual touch screen - Wikipedia

   en.wikipedia.org/wiki/Virtual_Touch_Screen

   Virtual touch screen technology can also be applied to turn non-touch displays into interactive, touch-capable surfaces using a Kinect sensor in combination with a projector. [14] This type of application allows virtual touch technology to enhance personal display usage as well as better communication and presentation of data to be used in ...

4. Interactive whiteboard - Wikipedia

   en.wikipedia.org/wiki/Interactive_whiteboard

   An interactive whiteboard (IWB) device can either be a standalone computer or a large, functioning touchpad for computers to use. Interactive whiteboards are widely used in classrooms, boardrooms, and training environments, providing an innovative way to share information, facilitate discussions, and enhance the overall learning or business communication experience.

5. Touchscreen - Wikipedia

   en.wikipedia.org/wiki/Touchscreen

   A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically layered on the top of the electronic visual display of a device.

6. Projection keyboard - Wikipedia

   en.wikipedia.org/wiki/Projection_keyboard

   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 ...

7. OmniTouch - Wikipedia

   en.wikipedia.org/wiki/Omnitouch

   OmniTouch is a wearable computer, depth-sensing camera and projection system that enables interactive multitouch interfaces on everyday surface. Beyond the shoulder-worn system, there is no instrumentation of the user or the environment.

8. Volumetric display - Wikipedia

   en.wikipedia.org/wiki/Volumetric_display

   For instance, a fog display using multiple projectors can render a 3D image in a volume of space, resulting in a static-volume volumetric display. [ 11 ] [ 12 ] A technique presented in 2006 does away with the display medium altogether, using a focused pulsed infrared laser (about 100 pulses per second; each lasting a nanosecond ) to create ...

9. PLATO (computer system) - Wikipedia

   en.wikipedia.org/wiki/PLATO_(computer_system)

   Touch panel: A 16×16 grid infrared touch panel, allowing students to answer questions by touching anywhere on the screen. Microfiche images: Compressed air powered a piston-driven microfiche image selector that permitted colored images to be projected on the back of the screen under program control.