Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers.

2025年9月7日 · What is a Projector? A projector is an output device that takes images generated by a computer or Blu-ray player and reproduces them on a screen, wall, or another similar …

2025年7月23日 · A projector is a device that uses light and lenses to project an image or video onto a surface mostly a wall or screen. projectors are used at various occasions and locations …

1 天前 · A Projector is a device that takes digital images sourced from a computer or video player and projects the image onto a large surface by using an optical lens and a bright light source. …

2025年2月27日 · A projector is an electro-optical device that displays images on an enlarged scale. Its operating system is based on a light projection that sends an image signal on a …

Projectors are great for watching movies or playing games on a big screen. Simply connect your media player or gaming console to the projector, and you'll be able to enjoy a larger-than-life …

2025年9月28日 · What is a Projector, Exactly? At its core, a projector is an optical device that takes an image or video signal—from a computer, smartphone, DVD player, or streaming …

2025年4月21日 · What Are Projectors? A projector is an optical device that takes an image or video signal and projects it onto a surface, usually a projector screen or wall, using a light source.

2023年7月11日 · A projector is an output device that projects visual images and text from a computer onto a wall, screen, or another large surface. It is useful when watching TV and …

2024年10月1日 · The short answer is that a projector is an optical device that illuminates a surface patterned to a desired image and projects that onto a screen. But in this post, we’ll …