November 2007
Intermediate to advanced
736 pages
46h 32m
English
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WORKING OF A PROJECTOR
In the simplest terms, a projector consists of two spools—one to hold the film and another to take it up-some form of transport mechanism, a lamp to illuminate the image and a lens. This is made from several pieces of curved glass, each of different thicknesses and optical properties. Light from the lamp shines through the image, inverts and focuses it on to the screen. The film comes off the supply reel and is threaded on to a guide path through the gate mechanism—between the lamp housing and the lens and so on to the take-up reel, Fig. 27.11.
The gate is one of the most important parts of the projector, in which each frame in turn is stopped for an instant to allow the shutter to open and light to pass through. Basically, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.