Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidenobu Hamada0
Date of Patent
June 30, 2009
0Patent Application Number
115399780
Date Filed
October 10, 2006
0Patent Primary Examiner
Patent abstract
An optical transmission device is provided with a first optical member having a negative refraction angle with respect to an incident angle of a beam and a second optical member having a positive refraction angle with respect to the incident angle, wherein the first and second optical members are arranged one each or more in tandem alternatively.
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