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US 7,733,543 B2Granted
Document illumination apparatus, document reading apparatus and image forming apparatus permitting efficient cooling
AssigneeRicoh Company, Ltd.
InventorsSusumu Mikajiri, Hideaki Matsui
Life of this patent
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Abstract
A document illumination apparatus includes a first light source configured to emit light. A first lower reflector is configured to reflect the light emitted from the first light source. A first upper reflector is configured to reflect the light reflected by the first lower reflector to illuminate a document. A first non-reflective area is disposed between the first lower and upper reflectors.
Claims16
A document illumination apparatus, comprising:
- a first light source configured to emit light;
- a first lower reflector configured to reflect the light emitted from the first light source;
- a first upper reflector configured to reflect the light reflected by the first lower reflector to illuminate a document;
- a light opening formed adjacent to a lower end portion of the first lower reflector and configured to allow light reflected by the document to pass to a mirror;
- and
- a first non-reflective area disposed separately from the light opening between the first lower and upper reflectors.
3 more elements
A document illumination apparatus, comprising:
- means for emitting light;
- means for reflecting the emitted light;
- means for reflecting the reflected light to illuminate a document;
- a light opening formed adjacent to the means for reflecting the emitted light and configured to allow light reflected by the document to pass to a mirror;
- and
- a non-reflective area disposed separately from the light opening between the means for reflecting the emitted light and the means for reflecting the reflected light
3 more elements
Dependencies are inferred from the claim text.