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US 2009/0213441 A1Published application
Light source device and original document reading device
AssigneeSeiko Epson Corporation
InventorsLoi Yew Kien, Ang Hwee San, Joanne Goh Li Chen
Life of this patent
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Abstract
Provided is a light source device including: a casing including an irradiation opening which supplies irradiation light to an irradiated object and an outlet which outputs the light reflected from the irradiated object to the outside thereof; a pair of reflection plates of which at least sides facing each other with the outlet interposed therebetween are arranged in the casing; and a light-emitting unit including point light-emitting sources arranged in the vicinity of at least one of the pair of reflection plates in the casing.
Claims10
A light source device comprising:
- a casing including an irradiation opening which supplies irradiation light to an irradiated object and an outlet which outputs the light reflected from the irradiated object to the outside thereof;
- a pair of reflection plates of which at least sides facing each other with the outlet interposed therebetween are arranged in the casing;
- and
- a light-emitting unit including point light-emitting sources arranged in the vicinity of at least one of the pair of reflection plates in the casing.
1 more element
Dependencies are inferred from the claim text.