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  2. User guide - Wikipedia

    en.wikipedia.org/wiki/User_guide

    User's guide for a Dulcitone keyboard. A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It is usually written by a technician, product developer, or a company's customer service staff. Most user guides contain both a written guide and associated images.

  3. Epson - Wikipedia

    en.wikipedia.org/wiki/Epson

    In the third quarter of 2012, Epson's global market share in the sale of printers, copiers and multifunction devices amounted to 15.20 percent. [21] In September 2015, Epson debuted the ET-4550 printer, which enables the user to pour ink into separate inkwells from ink bottles instead of cartridges. [22]

  4. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    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.

  5. 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 .

  6. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    Epson developed the 3LCD projection technology in the 1980s, and licensed it for use in projectors in 1988. [56] Epson's VPJ-700, released in January 1989, was the world's first compact , full-color LCD projector .

  7. 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).