Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9847836 | Agrregator-based cost-optimized communications topology for a point-to-multipoint network | Marcel F. Schemmann, Venkatesh G. Mutalik, Zhijian Sun | 2017-12-19 |
| 9787398 | Beat interference detection and mitigation | Ayham Al-Banna, Lawrence C. Spaete, Jr., Sebnem Zorlu Ozer, John Ulm, Amarildo Vieira +1 more | 2017-10-10 |
| 9608730 | Upstream aggregation with noise performance improvement | Zhijian Sun, Reza A. Saedi, Dean Painchaud | 2017-03-28 |
| 9608691 | Fiber-optic node with forward data content driven power consumption | Marcel F. Schemmann | 2017-03-28 |
| 9577756 | Optical beat interference detection and mitigation | Ayham Al-Banna, Lawrence C. Spaete, Jr., Sebnem Zorlu Ozer, John Ulm, Amarildo Vieira +1 more | 2017-02-21 |
| 9479258 | Electrical add/drop multiplexer with pass through port related applications | Peter Wolff, Ventatesh Mutalik, Marcel F. Schemmann | 2016-10-25 |
| 9391724 | Frequency sub-band coding of digital signals | Marcel F. Schemmann, David B. Bowler | 2016-07-12 |
| 9379830 | Digitized broadcast signals | Marcel F. Schemmann, Zhijian Sun, Dean Painchaud | 2016-06-28 |
| 9363027 | Remote modulation of pre-transformed data | Marcel F. Schemmann | 2016-06-07 |
| 9118419 | Digitizer for use in an overlay system with digital optical transmitter for digitized narrowcast signals | Zhijian Sun, Marcel F. Schemmann, Dean Painchaud | 2015-08-25 |
| 9065566 | Digitization and transport of return paths employing different frequency spectrums | Laurence Richards, Zhijian Sun, Dean Painchaud | 2015-06-23 |
| 8995844 | Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation | Marcel F. Schemmann, Antonije R. Djordjevic, Darby Racey | 2015-03-31 |
| 8737843 | Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation | Marcel F. Schemmann, Antonije R. Djordjevic, Darby Racey | 2014-05-27 |
| 8515281 | Node segmentation | — | 2013-08-20 |
| 8145068 | Dual use of test point power monitor | Eric J. Cormier, Benedict J. Jackson, Jayesh Bhatt, Marcel F. Schemmann, Zhijian Sun | 2012-03-27 |
| 8103173 | Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation | Marcel F. Schemmann, Antonije R. Djordjevic, Darby Racey | 2012-01-24 |
| 7599627 | Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation | Marcel F. Schemmann, Antonije R. Djordjevic, Darby Racey | 2009-10-06 |
| 7474150 | Amplifier composite triple beat (CTB) reduction by phase filtering | Marcel F. Schemmann | 2009-01-06 |
| 7194211 | Method and system for 80 and 160 gigabit-per-second QRZ transmission in 100 GHz optical bandwidth with enhanced receiver performance | Marcel F. Schemmann, Bogdan Hoanca | 2007-03-20 |
| 7082268 | Method and system for 80 and 160 gigabit-per-second QRZ transmission in 100 GHz optical bandwidth with enhanced receiver performance | Marcel F. Schemmann, Bogdan Hoanca | 2006-07-25 |
| 6809613 | Low-reflection transmission-line filters with gaussian characteristics | Antonije R. Djordjevic, Aleksandra Stekovic, Marcel F. Schemmann | 2004-10-26 |
| 6788169 | Amplifier composite triple beat (CTB) reduction by phase filtering | Marcel F. Schemmann | 2004-09-07 |