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2. Projector camera systems - Wikipedia

   en.wikipedia.org/wiki/Projector_Camera_Systems

   Projector-camera systems may also be used for artistic and entertainment purposes. [2] A pro-cam system consists of a vertical screen for implementing interpersonal space where front-facing videos are displayed, and a horizontal projected screen on the tabletop for implementing shared workspace where downward facing videos are overlapped.

3. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers .

4. Document camera - Wikipedia

   en.wikipedia.org/wiki/Document_camera

   A webcam is mounted on arms to operate a document camera, allowing it to be positioned over an object or document. The camera connects to a projector or a similar video display system, enabling a presenter to write on a sheet of paper or display a two- or three-dimensional object while the audience watches. Larger objects, for instance, can be ...

5. SixthSense - Wikipedia

   en.wikipedia.org/wiki/SixthSense

   SixthSense is a gesture-based wearable computer system developed at MIT Media Lab by Steve Mann in 1994 and 1997 (headworn gestural interface), and 1998 (neckworn version), and further developed by Pranav Mistry (also at MIT Media Lab), in 2009, both of whom developed both hardware and software for both headworn and neckworn versions of it.

6. Miracast - Wikipedia

   en.wikipedia.org/wiki/Miracast

   Miracast is a wireless communications standard created by the Wi-Fi Alliance which is designed to transmit video and sound from devices (such as laptops or smartphones) to display receivers (such as TVs, monitors, or projectors).

7. Kinect - Wikipedia

   en.wikipedia.org/wiki/Kinect

   Kinect is a discontinued line of motion sensing input devices produced by Microsoft and first released in 2010. The devices generally contain RGB cameras, and infrared projectors and detectors that map depth through either structured light or time of flight calculations, which can in turn be used to perform real-time gesture recognition and body skeletal detection, among other capabilities.