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DONAM SYSTEMS INC

US4 patents

Top patents by PatentIndex Score

US6233371B1May 15, 2001

Optical fiber polarization controller

DONAM SYSTEMS INC33 citations87
US6266456B1Jul 24, 2001

Optical fiber polarization scrambler and operating parameter input method therefor

DONAM SYSTEMS INC14 citations70
US6657709B2Dec 2, 2003

Apparatus and method for measuring polarization-dependent loss using repeated high speed polarization scrambling

DONAM SYSTEMS INC3 citations60
US6654121B1Nov 25, 2003

Apparatus and method for detecting polarization

DONAM SYSTEMS INC5 citations59