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2. Projector phone - Wikipedia

   en.wikipedia.org/wiki/Projector_phone

   India NTT DoCoMo SH-05C January 2011 Japan 640×360, 9 lumens Techberry ST100 February 2011 India Spice Popkorn Projector M9000 March 2011 India Intex V.Show Mini Theater IN 8809 March 2011 India G'Five G5 April 2011 India Videocon V4500 May 2011 India Micromax X40 August 2011 India Maxx Focus MTP9 December 2011 India Samsung Galaxy Beam i8530

3. Handheld projector - Wikipedia

   en.wikipedia.org/wiki/Handheld_projector

   Handheld projectors, in particular projector phones, could offer new possibilities for mobile gaming, as demonstrated by the adaptation of the PlayStation 3 game LittleBigPlanet. Players can sketch a world on a sheet of paper or use an existing physical configuration of objects and let the physics engine simulate physical procedures in this ...

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 .

5. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   35 mm movie projector in operation Bill Hammack explains how a film projector works. 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.

6. Zeiss projector - Wikipedia

   en.wikipedia.org/wiki/Zeiss_projector

   Closeup of a lens bearing sphere of the Zeiss Mark IV planetarium projector on display at the Nehru Planetarium in Mumbai, India. A Zeiss projector is one of a line of planetarium projectors manufactured by the Carl Zeiss Company. Main models include Copernican (1924), Model I (1925), Model II (1926), Model III (1957), Model IV (1957), Model V ...

7. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   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.