Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2009
0Patent Application Number
113587370
Date Filed
February 21, 2006
0Patent Primary Examiner
Patent abstract
A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.
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