An output device known as a projector can transfer images created by a computer or Blu-ray player to a screen, wall, or another surface. The surface that is often projected upon is sizable, flat, and softly colored. To ensure that everyone in the room can view a presentation, you could, for instance, utilize a projector to display it on a wide screen. Moving or motionless images can be produced via projectors (slides) (or videos).
On May 11, 1965, a guy by the name of David Hansen filed a patent for the first carousel slide projector. Gene Dolgoff came up with the idea for the digital projector in 1968, but he only really built the first one in 1984.
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