Inventor · disambiguated record
Brian L. Heffner
Also filed as: HEFFNER BRIAN · HEFFNER BRIAN L · HEFFNER BRIAN LEE
25 granted patents·4 pending applications·1,194 citations·filing 1985–2016
97Inventor score
Files withHEWLETT PACKARD CO10JDS UNIPHASE CORP4OPNEXT SUBSYSTEMS INC4AGILENT TECHNOLOGIES INC3HEFFNER BRIAN L2
Top patents by PatentIndex Score
29 records- 0199US5202745APolarization independent optical coherence-domain reflectometryHEWLETT PACKARD CO·Filed 1992·Granted Apr 13, 1993·468 cites·8 claims
- 0298US5298972AMethod and apparatus for measuring polarization sensitivity of optical devicesHEWLETT PACKARD CO·Filed 1991·Granted Mar 29, 1994·144 cites·23 claims
- 0395US5227623AMethod and apparatus for measuring polarization mode dispersion in optical devicesHEWLETT PACKARD CO·Filed 1992·Granted Jul 13, 1993·84 cites·7 claims
- 0494US5971538AArticulated nose bridge for head mounted displayHEWLETT PACKARD CO·Filed 1998·Granted Oct 26, 1999·144 cites·21 claims
- 0590US5002349AIntegrated acousto-optic filters and switchesBELL COMMUNICATIONS RES·Filed 1989·Granted Mar 26, 1991·81 cites·24 claims
- 0687US6316764B2Autoalignment and autofocus mechanism for coupling light between an optical fiber and a physical specimenAGILENT TECHNOLOGIES INC·Filed 2001·Granted Nov 13, 2001·28 cites·2 claims
- 0784US10191306B2Dither free bias controlOCLARO TECH LTD·Filed 2016·Granted Jan 29, 2019·2 cites·33 claims
- 0883US7991300B2Optical receiver having bandwidth control for intersymbol interference compensationOPNEXT SUBSYSTEMS INC·Filed 2007·Granted Aug 2, 2011·10 cites·25 claims
- 0981US8023833B2Optical receivers with controllable transfer function bandwidth and gain imbalanceOPNEXT SUBSYSTEMS INC·Filed 2010·Granted Sep 20, 2011·7 cites·20 claims
- 1073US6678445B2Dynamic gain flattening filterJDS UNIPHASE CORP·Filed 2000·Granted Jan 13, 2004·13 cites·20 claims
- 1172US5850287ARoller assembly having pre-aligned for on-line thickness measurementsHEWLETT PACKARD CO·Filed 1997·Granted Dec 15, 1998·35 cites·7 claims
- 1270US5296913APolarimeter re-calibration method and apparatusHEWLETT PACKARD CO·Filed 1992·Granted Mar 22, 1994·35 cites·20 claims
- 1366US5610716AMethod and apparatus for measuring film thickness utilizing the slope of the phase of the Fourier transform of an autocorrelator signalHEWLETT PACKARD CO·Filed 1995·Granted Mar 11, 1997·28 cites·9 claims
- 1465US5731876AMethod and apparatus for on-line determination of the thickness of a multilayer film using a partially reflecting roller and low coherence reflectometryHEWLETT PACKARD CO·Filed 1996·Granted Mar 24, 1998·27 cites·14 claims
- 1563US5633712AMethod and apparatus for determining the thickness and index of refraction of a film using low coherence reflectometry and a reference surfacesHEWLETT PACKARD CO·Filed 1995·Granted May 27, 1997·25 cites·10 claims
- 1661US7970289B2GT decoder having bandwidth control for ISI compensationOPNEXT SUBSYSTEMS INC·Filed 2007·Granted Jun 28, 2011·2 cites·38 claims
- 1760US4735476AAcousto-optic bragg cellUNIV LELAND STANFORD JUNIOR·Filed 1985·Granted Apr 5, 1988·19 cites·35 claims
- 1856US7983573B2Optical receiver having FSR phase compensationOPNEXT SUBSYSTEMS INC·Filed 2007·Granted Jul 19, 2011·1 cites·38 claims
- 1955US6765665B2Optical bit rate detectorJDS UNIPHASE CORP·Filed 2002·Granted Jul 20, 2004·3 cites·20 claims
- 2052US6606429B1Electromechanically controlled optical elementNEPTEC OPTICAL SOLUTIONS INC·Filed 1999·Granted Aug 12, 2003·18 cites·8 claims
- 2151US6215118B1Autoalignment and autofocus mechanism for coupling light between an optical fiber and a physical specimenAGILENT TECHNOLOGIES INC·Filed 1995·Granted Apr 10, 2001·8 cites·5 claims
- 2246US6807356B2Fiber-coupled optical attenuatorJDS UNIPHASE CORP·Filed 2001·Granted Oct 19, 2004·1 cites·8 claims
- 2344US5923476AOptical viewer with an aperture transformerHEWLETT PACKARD CO·Filed 1998·Granted Jul 13, 1999·10 cites·7 claims
- 2443US2008225380A1Delay line interferometer having a movable mirrorHEFFNER BRIAN L·Filed 2007·Application pending·0 cites
- 2543US2008225381A1Delay line interferometer having a stepped delay elementHEFFNER BRIAN L·Filed 2007·Application pending·0 cites
- 2641US2008232821A1Optical receiver having transfer function bandwidth selectionMALOUIN CHRISTIAN·Filed 2007·Application pending·0 cites
- 2733US6556765B2Planar variable optical attenuatorJDS UNIPHASE CORP·Filed 2001·Granted Apr 29, 2003·0 cites·10 claims
- 2832US6295039B1Thin illuminator for reflective displaysAGILENT TECHNOLOGIES INC·Filed 1998·Granted Sep 25, 2001·1 cites·6 claims
- 2932US2002149850A1Tunable optical filterE TEK DYNAMICS INC·Filed 2001·Application pending·0 cites
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