Brick
GPC: 10005445
Overhead Projectors
Includes any products that can be described/observed as a box containing a bright lamp and a large lens that collimates the light, which is projected onto a screen via a mirror positioned above the box. Transparencies containing printed information and graphics are placed on top of the lens and this information is presented on the screen. Includes products that either transmit the light from a bulb placed under the lens (transmissive) or reflect the light from a bulb placed in the head of the projector (reflective).
Excludes: Excludes products such as dedicated computer projection systems and photographic slide projectors.