Ads
related to: projector small image for drawing screenwalmart.com has been visited by 1M+ users in the past month
bestconsumerpicks.org has been visited by 100K+ users in the past month
Search results
Results from the WOW.Com Content Network
Overhead projector in operation during a classroom lesson. An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. 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.
The Nikon Coolpix S1000pj compact camera projecting an image using its built-in projector. 3M pocket projector Handheld. A handheld projector (also known as a pocket projector, mobile projector, pico projector or mini beamer) is an image projector in a handheld device.
The lens adjusted to focus the plane of the slide at the distance of the projection screen, which could be simply a white wall, and it therefore formed an enlarged image of the slide on the screen. [2] Some lanterns, including those of Christiaan Huygens and Jan van Musschenbroek, used three lenses for the objective. [3] [4]
Because they use small lamps and the ability to project an image on any flat surface, LCD projectors tend to be smaller and more portable than some other types of projection systems. Even so, the best image quality is found using a blank white, grey, or black [citation needed] (which blocks reflected ambient light) surface, so dedicated ...
Many overhead projectors are used with a flat-panel LCD which, when used this way, is referred to as a spatial light modulator or SLM. Data projectors are often based on some form of SLM in a projection path. An LCD is a transmissive SLM, whereas other technologies such as Texas Instrument's DLP are reflective SLMs. Not all projectors use SLMs ...
Ads
related to: projector small image for drawing screenwalmart.com has been visited by 1M+ users in the past month
bestconsumerpicks.org has been visited by 100K+ users in the past month