Inventor
HEFFNER BRIAN LEE
US4 patents
Patents
4 patentsUS6678445B2Jan 13, 2004
Dynamic gain flattening filter
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US6765665B2Jul 20, 2004
Optical bit rate detector
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US6807356B2Oct 19, 2004
Fiber-coupled optical attenuator
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US6556765B2Apr 29, 2003
Planar variable optical attenuator
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