Lens shift mechanism and projection type video display

Lens shifting apparatus

Lens-less projection optical system of reflection type

Lens-shifting device

Lensless transparency shadowgraph

Lid structure, apparatus and method for displaying graphical...

Lid structure, apparatus and method for displaying graphical...

Life-size communications systems with front projection

Light amount adjusting apparatus and projector using the same

Light amount adjusting device and projector using the same

Light amount control apparatus and projector apparatus using...

Light amount control device and projector

Light amount controlling apparatus and method for projector

Light assembly for an image projector

Light beam projecting apparatus

Light blocking panel for overhead projectors

Light box apparatus for computer editing of photographs

Light coupling device and image projection apparatus using...

Light coupling system and method

Light cut for projector