Projectors and screens are used in businesses and in office situations where conferences and meetings are often used. This could be most fields of work but is possibly more likely to be a consultancy type of business.
Large projector screens are used in several places today. Movie theaters use projector screens, large conferences use projector screens, and you can even rent or purchase projectors and screens for personal use.
Movie projectors which are used in film theatre are definitely not practical for use in family room. One can use projection screen or can simple have big plasma screens for family viewing.
Monitor mounts initially were simply used for television screens, projectors, video cassette recorders, and other types of electronic devices for display.
Most often, laser projectors are used recreationally to enjoy home media by individuals in their homes. This includes laser, mirror, and galvano meter scanners and projectors.
Most projectors have the means to be a rear and front projection system. The only projectors that are unable to do this are the cheaper projectors you find at Office Depot used for powerpoint shows.
variants
Art projectors, also known as opaque projectors, are used mainly for viewing or enlarging an existing piece of art. They may be used to create murals, signs, floor plans, or for client presentations.
No. Imagine how much that would cost.
One answer would be White Phosphorous. There are others.
Yes, you can buy used overhead projectors online. Use a comparative shopping search engine like Google Shopping to look up used overhead projectors. Yes there are some good deals that are ending soon on Ebay for aused overhead projectors. You can also find a nice refurbished projector at www.geeks.com.
LCD projectors are used to project video or images onto a flat screen. The technology has almost replaced the older slide projectors or over head projectors. The picture is much clearer than on old technology. A common use of LCD projectors is to project song lyrics onto a screen during church services or to display powerpoint slides during a college lecture.
There are alot of used 8mm projectors out there on various websites but no one has any new ones for sale. The used range from $300-400.