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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 projector in a standard form factor: The PG-D2870 projector from Sharp, which uses Digital Light Processing technology An image from a video projector in a home cinema. 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.
Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.
Government of Bangladesh: Headquarters: Posts and Telecommunications Division, Bangladesh Secretariat ICT Tower, Agargaon, Dhaka: Annual budget ৳ 5293 crore (US$440 million) (2024-2025) Adviser responsible
Star Cineplex in Bashundhara City. Star Cineplex was founded on 9 October 2004, [5] in Bashundhara City. [6] [7] Star Cineplex has six fully digital cinema screens with state-of-the-art 3D Projection Technology, silver screens, Dolby-Digital sound and stadium seating.
Bangladesh Betar: Consumer services Broadcasting & entertainment Dhaka: 1939 state-owned radio broadcaster S A Bangladesh Machine Tools Factory: Industrials Defense Gazipur City: 1979 Defense vehicles S A Bangladesh Petroleum Corporation: Oil & gas Exploration & production Dhaka: 1976 State-owned petrochemical S A Bangladesh Pratidin: Consumer ...
Agora is a Bangladeshi retail superstore that operates a chain of hypermarkets, discount department stores, and grocery stores. Headquartered in Dhaka, Bangladesh, the company was founded by Rahimafrooz Superstores Ltd. in 2001, [2] and it was the pioneer and largest retail-superstore in Bangladesh. [3] [4]
Two projectors installed in a changeover configuration. The machine in the background will show the first reel, at the end of which the projectionist will 'change over' to reel 2, which is threaded on the projector in the foreground. If the procedure is performed correctly, the audience will be unaware that it has happened.