Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masafumi Kanazawa0
Date of Patent
December 16, 2008
0Patent Application Number
109294140
Date Filed
August 31, 2004
0Patent Primary Examiner
Patent abstract
A capsule endoscope, including an omnidirectional lateral view optical system allowing observation of all directions as the objective optical system and also being capable of illuminating all the image pickup range satisfactorily, is provided. On a positioning plate inside the capsule, six LEDs are arranged at even angular intervals (60 degrees) with their light emitting surfaces facing a transparent cover of the capsule. The light emitting surface of each LED is placed at a position that is a prescribed distance β inwardly apart from the interior surface of the transparent cover of the capsule.
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