Overhead projector

Overhead projector

Overhead projector with high illuminance lamp as light source

Overheat prevention device

Photoreproduction apparatus with pulsed light projector source

Picture display apparatus and cooling apparatus for optical appa

Polarizer module

Power on/off system of thin projector and method for...

Projecting device having a heat-dissipating mechanism

Projection apparatus and cooling method of projection apparatus

Projection apparatus and lamp module

Projection apparatus provided with a cooling system

Projection apparatus provided with a heat sink

Projection apparatus, ceiling hanging hardware for...

Projection cooling apparatus

Projection device having blower and/or lamp with feedback...

Projection display apparatus

Projection display apparatus

Projection display device

Projection display device and air blowing device