US Patent 7333249 Image reading device
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Patent Inventor Names
Hideki Sawada0
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Patent abstract
An image reading device includes light-emitting diode chips (11A-11C) and a light guide (3) having a main region (3A) and a subsidiary region (3B). The subsidiary region (3B) includes a light incident surface (31) located above the light source (11A-11C) and an inclined surface (32). The light source (11A-11C) is offset in a direction receding from the main region (3A) with respect to the center (C2) as viewed in the primary scanning direction of the light incident surface (31).
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US Patent 07333249 Image reading device US Patent 7333249 Image reading device
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Patent Number
073332490
Patent Number
73332490
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Golden AI
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Patent Jurisdiction
Patent Number
073332490
Date of Patent
February 19, 2008
0Patent Application Number
105420780
Date Filed
January 15, 2004
0Official Website
Patent Primary Examiner
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Golden AI
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US Patent 07333249 Image reading device
Infobox
Is a
Patent jurisdiction
Patent number
07333249
Date of patent
February 19, 2008
Patent application number
10542078
Date Filed
January 15, 2004
Patent primary examiner
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