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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 projector, is a projector that projects an image directly on the retina instead of using an external projection screen.
3LCD is the name and brand of a major LCD projection color image generation technology used in modern digital projectors. 3LCD technology was developed and refined by Japanese imaging company Epson in the 1980s and was first licensed for use in projectors in 1988. In January 1989, Epson launched its first 3LCD projector, the VPJ-700.
Headquartered in Suwa, Nagano, Japan, [4] the company has numerous subsidiaries worldwide and manufactures inkjet, dot matrix, thermal and laser printers for consumer, business and industrial use, scanners, laptop and desktop computers, video projectors, watches, point of sale systems, robots and industrial automation equipment, semiconductor ...
Home Movie Projectors. ... Made popular in the ’70s, electric typewriters were seen as a huge upgrade from their manual counterparts. They were faster, quieter, and made typing more effortless ...
After building it, he saw many problems that had to be corrected including major light losses and very noticeable pixels (sometimes referred to as the "screen-door effect"). He then invented new optical methods to create efficient and bright projectors and invented depixelization to reduce the screen-door effect.
Two projectors mounted in a special pedestal allowing twice the brightness. Videacolor [16] Barco: 1985: 7 inches: SD-130: No : 10 MHz : 18 kHz : Barco Vision Special Video [16] Barco: 1985: 7 inches: Clinton: No : 10 MHz : 15 kHz : Dual Special Video [16] Barco: 1985: 7 inches: Clinton: No : 10 MHz : 15 kHz
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.