A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.
Projection device
http://en.wikipedia.org/wiki/Card_reader
http://en.wikipedia.org/wiki/Display_device
http://en.wikipedia.org/wiki/Fuel_cell
Flow passage board
http://en.wikipedia.org/wiki/Lighting
Interface device/EDID
Holder for a display
http://en.wikipedia.org/wiki/Lens_(optics)
http://en.wikipedia.org/wiki/Projector
Stand for a display device
http://en.wikipedia.org/wiki/Diaphragm_(optics)#Iris_diaphragms_versus_other_types
