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A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...
The Bomaker Polaris 4K projector: my hands-on review. ... LG Tone Free FN7 Bluetooth Wireless Stereo Earbuds, $85 (was $160), walmart.com. Samsung Buds+True Wireless Headphones, ...
In electronics, a remote control (also known as a remote or clicker [1]) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics , a remote control can be used to operate devices such as a television set , DVD player or other digital home media appliance.
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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 .
A projector in a standard form factor: The PG-D2870 projector from Sharp, which uses Digital Light Processing technology An image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system.
At the 2007 Consumer Electronics Show, ViewSonic introduced display products, namely a projector, monitors and an HDTV set, capable of being connected directly to a video iPod. [ 15 ] On May 31, 2011, the ViewPad 7x debuted at the Computex computer show in Taipei, Taiwan, Pocket-Lint reported, being a follow-up rather than a replacement to ...
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.