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2. 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 .

3. 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).

4. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector .

5. Projection keyboard - Wikipedia

   en.wikipedia.org/wiki/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 mini-PC devices with ...

6. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   These early projectors played the movie stored on a computer, and sent to the projector electronically. Due to their relatively low resolution (usually only 2K) compared to later digital cinema systems, the images at the time had visible pixels. By 2006, the advent of much higher 4K resolution digital projection reduced pixel visibility. The ...

7. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Although a projection screen cannot improve a projector's contrast level, the perceived contrast can be boosted. In an optimal viewing room, the projection screen is reflective, whereas the surroundings are not. The ambient light level is related to the overall reflectivity of the screen, as well as that of the surroundings.

8. Digital light processing - Wikipedia

   en.wikipedia.org/wiki/Digital_Light_Processing

   While the DLP imaging device was invented by Texas Instruments, the first DLP-based projector was introduced by Digital Projection Ltd in 1997. Digital Projection and Texas Instruments were both awarded Emmy Awards in 1998 for the DLP projector technology. DLP is used in a variety of display applications from traditional static displays to ...

9. Digital cinema - Wikipedia

   en.wikipedia.org/wiki/Digital_cinema

   By contrast, a digital cinema playback system—including server, media block, and projector—can cost two to three times as much, [71] and would have a greater risk of component failure and obsolescence. (In Britain the cost of an entry-level projector including server, installation, etc., would be £31,000 [$50,000].)