H04B 2210/252
After the transmission line, i.e. post-compensation
Official title: after the transmission line, i.e. post-compensation
H04B2210/252 (After the transmission line, i.e. post-compensation) appears on 150 US grants and 95 published applications in this corpus.
Search patents in H04B- Granted patents
- 150
- Published applications
- 95
- Assignees
- 68
- Inventors
- 288
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 13 | 6 |
| 2002 | 8 | 3 |
| 2003 | 6 | 9 |
| 2004 | 7 | 8 |
| 2005 | 4 | 4 |
| 2006 | 9 | 4 |
| 2007 | 4 | 3 |
| 2008 | 5 | 1 |
| 2009 | 1 | 11 |
| 2010 | 2 | 4 |
| 2011 | 0 | 8 |
| 2012 | 7 | 4 |
| 2013 | 9 | 3 |
| 2014 | 8 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 4 | 5 |
| 2019 | 8 | 7 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Receiver and system for transporting and demodulating complex optical signals17 Oct 2023US 11,791,904 B2Raytheon Company
- Method for nonlinear compensation of coherent high-capacity high-order qam system3 Oct 2023US 11,777,612 B2Soochow University
- Hybrid compensation of chromatic dispersion in optical networks25 Apr 2023US 11,637,637 B1Equinix, Inc.
- Apparatus and methods for digital signal constellation transformation11 Oct 2022US 11,469,824 B2Marvell Asia Pte Ltd
- Broadcast free space optical communications via diffusion16 Aug 2022US 11,418,256 B1The United States of America as represented by the Secretary of the Navy
- Method and apparatus for interference cancellation23 Apr 2026US 2026/0113556 A1Nokia Solutions and Networks Oy
- Method for nonlinear compensation of coherent high-capacity high-order qam system8 Jun 2023US 2023/0179307 A1Soochow University
- Receiver and system for transporting and demodulating complex optical signals13 Jan 2022US 2022/0014276 A1Raytheon Company
- Apparatus and methods for digital signal constellation transformation22 Apr 2021US 2021/0119705 A1Inphi Corporation
- Nonlinearity cancellation in fiber optic transmission based on frequency-mutually-referenced carriers18 Feb 2021US 2021/0050919 A1The Regents of the University of California
Most cited
By later US patents
- Apparatus and method for delivery of dispersion-compensated ultrashort optical pulses with high peak power220US 6,249,630 B1Imra America, Inc. · 2001
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Apparatus and method for delivery of dispersion compensated ultrashort optical pulses with high peak power127US 5,862,287 AImra America, Inc. · 1999
- Multiple wavelength division multiplexing signal compensation system and method using same120US 5,224,183 AAlcatel Network Systems, Inc. · 1993
- Optical systems and methods based upon temporal stretching, modulation and recompression of ultrashort pulses110US 4,928,316 ABell Communications Research, Inc. · 1990