Display device and light control method of the same
Fading mechanism for slide projectors with automatic focusing me
Hand crank generator-powered rotary slide projector
Handheld projection device
Illumination apparatus and image projection apparatus using...
Illumination apparatus, image production apparatus, and...
Illumination control apparatus for projection device
Illumination device and projection display device
Image display apparatus
Image display device
Image display device
Image display device and method of controlling image display...
Image display method and image display device
Image forming apparatus, method of controlling same, and...
Image presentation device with light source controller
Image projection apparatus
Image projection lighting device
Image projector
Image projector
Image projector with intensity-controlled light source