Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 8, 2009
Patent Application Number
11955906
Date Filed
December 13, 2007
Patent Primary Examiner
Patent abstract
An optical module includes: a light source; a variable transmissivity member that is disposed on a light path of light emitted from the light source with a spacing from the light source, the variable transmissivity member having transmissivity that increases as temperature rises; and an optical fiber that receives light that has been transmitted through the variable transmissivity member.
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