H04B 10/5055
Using a pre-coder
Official title: {using a pre-coder}
H04B10/5055 (Using a pre-coder) appears on 200 US grants and 212 published applications in this corpus.
Search patents in H04B- Granted patents
- 200
- Published applications
- 212
- Assignees
- 92
- Inventors
- 357
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 5 |
| 2004 | 2 | 19 |
| 2005 | 5 | 21 |
| 2006 | 10 | 21 |
| 2007 | 11 | 17 |
| 2008 | 17 | 7 |
| 2009 | 14 | 8 |
| 2010 | 12 | 16 |
| 2011 | 11 | 11 |
| 2012 | 9 | 10 |
| 2013 | 2 | 7 |
| 2014 | 16 | 10 |
| 2015 | 13 | 8 |
| 2016 | 10 | 6 |
| 2017 | 7 | 10 |
| 2018 | 8 | 2 |
| 2019 | 11 | 7 |
| 2020 | 5 | 3 |
| 2021 | 4 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 2 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transmitting device and method for transmitting a broadband optical transmission signal30 Jun 2026US 12,671,501 B2Rheinisch-Westfalische Technische Hochschule Aachen (Rwth) Aachen
- Systems and methods for in-phase and quadrature modulation16 Jun 2026US 12,659,044 B2Huawei Technologies Co., Ltd.
- In-phase (I) / quadrature (Q) correlation dither for modulator quadrature control18 Nov 2025US 12,476,711 B2Ciena Corporation
- Linearized optical digital-to-analog modulator12 Aug 2025US 12,388,533 B2Ramot at Tel-Aviv University Ltd.
- Linearized optical digital-to-analog modulator7 Jan 2025US 12,191,912 B2Ramot at Tel-Aviv University Ltd.
- Interferometric pam modulation6 Aug 2026US 2026/0230368 A1MACOM Technology Solutions Holdings, Inc.
- Data Processing Method and Apparatus in Optical Communication8 Jan 2026US 2026/0012290 A1Huawei Technologies Co., Ltd.
- Linearized optical digital-to-analog modulator13 Nov 2025US 2025/0350366 A1Ramot at Tel-Aviv University Ltd.
- Linearized optical digital-to-analog modulator26 Dec 2024US 2024/0430011 A1Ramot at Tel-Aviv University Ltd.
- In-phase (i) / quadrature (q) correlation dither for modulator quadrature control5 Dec 2024US 2024/0405880 A1Ciena Corporation
Most cited
By later US patents
- Optical transmission apparatuses, methods, and systems122US 7,826,752 B1Level 3 Communications, LLC · 2010
- Optical data transmitting apparatus and method58US 6,421,155 B1NEC Corporation · 2002
- Method for generating duobinary signal and optical transmitter using the same method55US 6,097,525 ANEC Corporation · 2000
- Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subsequence-based encoder55US 6,445,476 B1StrataLight Communications, Inc. · 2002
- Frequency domain coded modulation with polarization interleaving for fiber nonlinearity mitigation in digital sub-carrier coherent optical communication systems51US 9,553,675 B2Infinera Corporation · 2017