Light guide optical system, document illuminating device...

Light guide, illuminating device having the light guide, and ima

Light guide, illuminating device having the light guide, and...

Light guide, illuminating device having the light guide, and...

Light guide, illuminating device having the light guide, and...

Light illumination assembly having a tapered light guide plate f

Light lid with a previewing window

Light monitor window and method of using same

Light reflection type detection device in facsimile machine

Light scanning recording device

Light scanning unit and electrophotographic image forming...

Light shutter apparatus for a photographic film scanner

Light source device and device for reading original

Light source device capable of repressing the light surge

Light source for film scanner

Light source of image reading apparatus and driving device...

Light source shutter for scanning transparent media through...

Light source unit and object reader

Light-channeling apparatus and method

Light-condensing device, light-condensing system and image...