Projector (disambiguation)

Look up projector in Wiktionary, the free dictionary.

Most commonly, a projector is a device that projects an image on a surface.

Image projector

3D projection, a method of mapping three-dimensional points to a two-dimensional plane
Video projector, a device that projects a video signal from computer, home theater system etc.
Movie projector, a device that projects moving pictures from a strip of film
Slide projector, a device that projects a still image with a transparent base
- Straight-tray slide projector
- Round-tray slide projector
- Slide cube projector
Overhead projector, a device that projects a transparent image
Handheld projector, a mobile projector
Opaque projector, a predecessor to the overhead projector
Planetarium projector, a device that projects images of sky objects
- Zeiss projector, a range of projectors made by Zeiss
Magic lantern, a historic projection device
Camera obscura, the historic ancestor to projection devices
Enlarger, a device used to produce photographic prints from negatives

Projector may also refer to:

Projector (album), a 1999 album by Dark Tranquillity
Projector (comics) aka Zachary Williams, a comic book character from Marvel Comics

A type of mortar (weapon)
- Livens Projector
- PIAT (Projector, Infantry, Anti Tank), British Second World War spigot mortar
Holman Projector
Northover Projector

Projection (linear algebra), a linear transformation of a vector space
As a synonym for (corporate) promoter, e.g. in the phrase "railway projectors"
Projector (patent), an archaic term in US patent law meaning original inventor to reduce an invention to practice