![]() In others, as with TV sets, radiation emitted is not intentional and is not essential to the use of the product. In some cases, as with diagnostic x-rays, radiation emitted from these devices is intentional and serves a useful purpose. ![]() These include diagnostic x-ray machines, television sets, microwave ovens, radar devices, and lasers. Much of the manmade radiation people are exposed to comes from electronic products. We are also exposed to manmade radiation, which can and must be controlled. This is called background radiation and cannot be controlled. We are surrounded by natural radioactivity in the earth and by cosmic rays from outer space. Man cannot escape exposure to some radiation. Putting Television Radiation in Perspective Assuring That TV Sets Meet the Radiation Standard.Putting Television Radiation in Perspective.Panasonic, LG, and Samsung all stopped manufacturing Plasma televisions in 2014. Does Panasonic still make Plasma televisions? The Cathode Ray Tube with a non-curved glass panel is the thickest. The LG OLED “Wallpaper” is only 2.5mm thick. Today the majority of televisions that are below 60 inches weigh less than 80 pounds.Today 55 percent of American children have a television set in their bedroom.In 1960 90 percent of American homes had a television in them.In 1950 only ten percent of American homes had televisions in them.Many people watch their television programming from their phones. More people own cell phones than televisions.Between the ages of 5 and 13 American children will have watched an estimated 13,000 deaths on television.It was an advertisement for a Bulova watch. The first television commercial aired on July 1 st, 1941 in New York City.The first television offered for commercial sale was produced in 1928.The Average American family watches eight hours of television each day. ![]() 66% of the homes in the United States have three television sets in them.99% of the homes in the United States have a television set.Sound bars have gotten a lot cheaper, and they provide sound quality that is comparable to the surround sound that was so popular about fifteen years ago. To get really good sound quality from a television today you are likely going to need to connect a soundbar or Bluetooth speaker. The sound on many of the thinner televisions is not as good as the old stereo sound sets from the past. Most people agree that the lighter and thinner televisions do not have the same picture quality that the thicker sets have.Ī lot of the debate focuses on how thin the television is, but you need to focus on resolution ability if you want to get a television set that produces high-quality pictures. The liquid crystal display allowed the heavy and toxic cathode ray tubes to be removed from televisions and that started the weight reduction process. In 1983 the discovery of the liquid crystal display changed the world of television completely. What made it Possible to Make Televisions Lighter? These are older technology sets and it was discovered that the tubes contained toxins. The CRT utilizes cathode ray tubes and each of the tubes has between four and eight pounds of lead in them. The biggest television on record is the SONY KV-40XBR700 CRT 40”. What was The Biggest Television Ever Made? Today televisions can weigh as little as ten pounds and they usually top the scales around 45 pounds. The older sets were made with heavier materials and they were heavier. The weight of television is affected by the type of television that it is, and the age of the unit. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |