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2. Slide projector - Wikipedia

   en.wikipedia.org/wiki/Slide_projector

   Slide projector. A slide projector is an optical device for projecting enlarged images of photographic slides onto a screen. Many projectors have mechanical arrangements to show a series of slides loaded into a special tray sequentially. 35 mm slide projectors, direct descendants of the larger-format magic lantern, first came into widespread ...

3. Large-format slide projector - Wikipedia

   en.wikipedia.org/wiki/Large-format_slide_projector

   The first large-format slide projectors were built in the middle of the 20th century as background projectors for theaters and opera houses. From the early 50', the german Brand Reiche&Vogel was offering in a catalog a 2000w slide projector using 4.75"x 4.75" (12x12cm) slide or a scroller for film strip of the same size.

4. Carousel slide projector - Wikipedia

   en.wikipedia.org/wiki/Carousel_slide_projector

   A carousel slide projector is a slide projector that uses a rotary tray to store slides, used to project slide photographs and to create slideshows. It was first patented on May 11, 1965, by David E. Hansen of Fairport, New York. Hansen was an industrial designer at the Eastman Kodak Company. [1] A patent for the rotary tray was granted in 1966 ...

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. A virtual retinal display, or retinal ...

6. Pio Pion - Wikipedia

   en.wikipedia.org/wiki/Pio_Pion

   Milan, Italy. Known for. Establishing the first Italian movie projector company. Scientific career. Fields. Cinema, manufacturing. Institutions. Officine Pio Pion. Pio Pion (4 July 1887 – 15 May 1965) was an Italian entrepreneur, known for founding the first Italian company producing movie projectors, the Fumagalli, Pion & C.[1]

7. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp), Xenon arc lamp, metal halide lamp, LED or solid state blue, RB, RGB or fiber-optic lasers to provide ...