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Word Count: 474
How Television Works There have been countless inventions that have forever changed the world just by their existence Many of these have been related to communications such as a radio phone and more specifically the television Soon after its release millions of families across the nation had their own television set adding something new and exciting to the list of American pastimes But what is inside a television and how do they work Who invented them and how Television receives pictures and sounds from electro magnetic waves sent out from broadcasts That is a simple and broad explanation But many years were spent perfecting the television and learning more about it The first TV sets were big and bulky and some were mechanical rather then electronic Inside a television set there are many different parts which serve different tasks First the waves are received by an antenna then they are shot from the electron gun which is a device the aims and sends the signal Those beams go through a funnel which starts to project the image The projection isnt one piece as it appears though Its actually thousands of little dots lined in place to create a picture But the fun doesnt stop here One of the biggest parts of a working TV is the picture tube which has four basic parts The glass face panel is the screen that pictures appear on Its coated in phosphor which is any material that when expose to radiation emits visible light Suspended directly behind the face is a steel shadow mask with thousands of square holes This panel is fused to a glass funnel and the rear of this funnel converges into a neck which holds the electron guns This is where color TV comes in Its more complicated then black and white TV but holds the same principals Rather then one electron gun there are three
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