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2. Epson - Wikipedia

   en.wikipedia.org/wiki/Epson

   In September 1968, Shinshu Seiki launched the world's first mini-printer, the EP-101 ("EP" for Electronic Printer), which was soon incorporated into many calculators. In June 1975, the name Epson was coined for the next generation of printers based on the EP-101, which was released to the public. The Epson name was coined by joining the ...

3. 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. To display images, LCD (liquid-crystal display) projectors typically send light from a metal-halide lamp through a prism or series of dichroic ...

4. 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. A virtual retinal display, or retinal ...

5. Optoma - Wikipedia

   en.wikipedia.org/wiki/Optoma

   With 8% of global market share, the Optoma brand in 2011 was the second largest projector brand, behind the Japanese company Epson. There are two specifications of projectors: a liquid-crystal display (LCD) projector that Epson makes and a Digital Light Processing (DLP) projector using chipsets Texas Instruments that Optoma makes. [1]

6. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   A movie projector (or film projector) is an opto - mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras. Modern movie projectors are specially built video projectors (see also digital cinema).

7. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film (also known as "viewfoils ...