Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihito Tsuboi0
Date of Patent
January 1, 2008
0Patent Application Number
109219310
Date Filed
August 20, 2004
0Patent Primary Examiner
Patent abstract
As a reading light source, a cold-cathode tube having three wavelengths and an LED array are used in combination. The cold-cathode tube and the LEDs are lit up at different timings when reading a document.
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