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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.
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 commercial LCD projector based on this principle was launched in Germany in 1990 under the trade name "Imagina 90". [ 7 ] With patents filed worldwide (filing his first LCD video projector patent application in 1987), Dolgoff started Projectavision, Inc. in 1988, as one of the world's first dedicated LCD-projector companies, which he took ...
According to the Economic complexity index, Pakistan is the 67th largest export economy in the world and the 106th most complex economy. [10] During the fiscal year 2015–16, Pakistan's exports stood at US$20.81 billion and imports at US$44.76 billion, resulting in a negative trade balance of US$23.96 billion.
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.
The Pakistani rupee depreciated against the United States dollar until the turn of the century when Pakistan's large current account surplus pushed the value of the rupee up against the dollar. The State Bank of Pakistan then stabilized the exchange rate by lowering interest rates and buying dollars, to preserve the country's export ...
Pakistan State Oil: Rs. 206.89 billion (US$720 million) Karachi: Petroleum [2] 17: Standard Chartered Pakistan: Rs. 205.19 billion (US$710 million) Karachi: Banking [2] 18: Systems Limited: Rs. 181.10 billion (US$630 million) Lahore: Information technology [2] 19: Pakistan Oilfields Limited: Rs. 179.29 billion (US$620 million) Rawalpindi ...
The Pakistani 5-rupee coin (Rs. 5) is a denomination of the Pakistani rupee. [1] The 5-rupee coin is an alloy comprising 79 percent copper, 20 percent zinc, and 1 percent nickel. [2] [3] It weighs 3 grams and measures 18.5 mm in diameter. [2] [3]
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