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  2. 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).

  3. Projection booth - Wikipedia

    en.wikipedia.org/wiki/Projection_booth

    These include isolating the noise produced by opto-mechanical projectors from the audience, providing appropriate atmospheric control for the projection and film transport equipment (including, in more advanced booths, the use of HEPA air filtration to prevent dust contamination of the film prints in use), the provision of work space for the ...

  4. Optoma - Wikipedia

    en.wikipedia.org/wiki/Optoma

    Its primary products are projectors and digital image processing equipment. Founded in 2002, it is a subsidiary of the Taiwanese electronics and manufacturing company Coretronic. It was listed on the Taiwan Stock Exchange in 2007. With 8% of the projector global market share in 2011, the Optoma brand was the second largest projector brand ...

  5. Meopta - Wikipedia

    en.wikipedia.org/wiki/Meopta

    Optical, opto-mechanical and opto-electronic systems: Founded: 1933: ... 16 mm Projectors [8] OP16 silent and sound (1938) OP 16 (1951) Opefon (1945) Almo 16 (1936)

  6. Birla Planetarium, Chennai - Wikipedia

    en.wikipedia.org/wiki/Birla_Planetarium,_Chennai

    The mechanical projector was replaced by hybrid digital opto-mechanical projector that offers a 360-degree immersive video effect creating high-definition images of the simulated night sky and celestial objects. The decommissioned mechanical projector is named “The Resting Giant” and has been kept on exhibit within the campus.

  7. Zeiss projector - Wikipedia

    en.wikipedia.org/wiki/Zeiss_projector

    The Mark I projector installed in the Deutsches Museum in 1923 was the world's first planetarium projector. The Mark III modified projector installed in the Planetario Humboldt 1950 in Caracas - Venezuela.It is the oldest in Latin America. Marks II through VI utilized two small spheres of lenses separated along a central axis.