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ViewSonic Corporation is an American privately held multinational electronics company with headquarters in Brea, California, United States. The company was founded in 1987 as Keypoint Technology Corporation by James Chu and was renamed to its present name in 1993, after a brand name of monitors launched in 1990.
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.
The PhlatLight LEDs are also used in a new class of ultra-compact DLP front projector commonly referred to as a "pocket projector" and have been introduced in new models from LG Electronics (HS101), Samsung electronics (SP-P400) and Casio (XJ-A series). Home Theater projectors will be the next category of DLP projectors that will use PhlatLight ...
Launched in 1972, digital watches became the ultimate tech accessory of the ’70s. With their glowing LED displays, they made traditional analog watches seem old-fashioned and, perhaps, a tad boring.
User guides have been found with ancient devices. One example is the Antikythera Mechanism, [1] a 2,000 year old Greek analogue computer that was found off the coast of the Greek island Antikythera in the year 1900. On the cover of this device are passages of text which describe the features and operation of the mechanism.
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 .
Two projectors mounted in a special pedestal allowing twice the brightness. One projector can converge on green. [17] Special Video Mk2 [16] Barco: 1986: 7 inches:
To display images, LCD (liquid-crystal display) projectors typically send light from a metal-halide lamp through a prism or series of dichroic filters that separates light to three polysilicon panels – one each for the red, green and blue components of the video signal. As polarized light passes through the panels (combination of polarizer ...
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