Lighting apparatus and image reading apparatus

A lighting apparatus is provided with a first lighting section and a second lighting section. The first lighting section and the second lighting section respectively have a bar-like light guide (2) that includes a circular or elliptic part in an end surface shape of an end portion, and light source...

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Bibliographic Details
Main Authors SHOJI, TOSHIAKI, FUJIUCHI, AKIKO, MATSUZAWA, TAKU
Format Patent
LanguageChinese
English
Published 16.11.2015
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROGRAPHY
HOLOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A lighting apparatus is provided with a first lighting section and a second lighting section. The first lighting section and the second lighting section respectively have a bar-like light guide (2) that includes a circular or elliptic part in an end surface shape of an end portion, and light source elements (4) that are provided to face an end surface of the end portion of the light guide. In the light guide of the second lighting section, light is inputted to a predetermined range of the end surface shape at the end portion of the light guide, said range including a focal point. In the light guide (2) of the first lighting section, light is inputted to a range of the end surface shape of the light guide, said range being not the predetermined range including the focal point.
Bibliography:Application Number: TW20150108270