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A flatbed scanner (Epson Perfection V850 Pro) with its lid open. Documents or images are placed face-down on the glass bed (the platen). An image scanner (often abbreviated to just scanner) is a device that optically scans images, printed text, handwriting, or an object and converts it to a digital image.
Epson owns the technology and has branded it as "3LCD". To market 3LCD projector technology, Epson also set up a consortium called the "3LCD Group" in 2005 with other projector manufacturer licensees of 3LCD technology that use it in their projector models. Early LCD systems were used with existing overhead projectors.
Some older LCD projectors have a more noticeable screen-door effect than first generation DLP projectors. [2] Newer DLP chip designs promise closer spacing of the mirror elements which would reduce this effect; [ citation needed ] however, some space is still required along one edge of the mirror to provide a control circuit pathway.
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 .
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Action Center is a notification center included with Windows Phone 8.1, Windows 10 and Windows 10 Mobile. It was introduced with Windows Phone 8.1 in July 2014, and was introduced to the desktop with the launch of Windows 10 on July 29, 2015. [1] The Action Center replaces the charms in Windows 10. [2] [3] [4] The Action Center was replaced ...
In modern projectors keystone correction technology is performed digitally (rather than optically) via the internal panels or mirrors of the projector, depending on the technology used. Thus, when applying keystone correction to an image, the number of individual pixels used is reduced, lowering the resolution and thus degrading the quality of ...
For classroom, businesses and houses of worship settings, 16:10 is the more commonly used projector screen aspect ratio because this matches the aspect ratio used by many modern computers. [ 5 ] Square-shaped screens used for overhead projectors sometimes double as projection screens for digital projectors in meeting rooms, where space is ...