H04B 10/25137
Using pulse shaping at the transmitter
Official title: {using pulse shaping at the transmitter, e.g. pre-chirping or dispersion supported transmission [DST]}
H04B10/25137 (Using pulse shaping at the transmitter) appears on 218 US grants and 193 published applications in this corpus.
Search patents in H04B- Granted patents
- 218
- Published applications
- 193
- Assignees
- 111
- Inventors
- 439
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 4 |
| 2002 | 6 | 11 |
| 2003 | 4 | 15 |
| 2004 | 8 | 17 |
| 2005 | 5 | 18 |
| 2006 | 10 | 15 |
| 2007 | 17 | 12 |
| 2008 | 18 | 14 |
| 2009 | 10 | 15 |
| 2010 | 18 | 10 |
| 2011 | 6 | 4 |
| 2012 | 8 | 5 |
| 2013 | 5 | 5 |
| 2014 | 10 | 7 |
| 2015 | 10 | 5 |
| 2016 | 6 | 8 |
| 2017 | 10 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 3 | 1 |
| 2021 | 2 | 6 |
| 2022 | 4 | 2 |
| 2023 | 4 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for phase compensation16 Jun 2026US 12,659,041 B1Cable Television Laboratories, Inc.
- Optical signal transmission device and method based on digital predistortion in symbol domain26 May 2026US 12,640,761 B21FINITY Inc.
- Optical modulating device4 Feb 2025US 12,216,377 B2Molex Incorporated
- Systems and methods for chromatic dispersion pre-compensation24 Sep 2024US 12,101,120 B1Cable Television Laboratories, Inc.
- Method of operating a bidirectional optical transmission link and corresponding optical transmission link24 Sep 2024US 12,101,125 B2Adtran Networks SE
- Signal compensation method, electronic device, and passive optical network system13 Aug 2026US 2026/0238343 A1Zte Corporation
- Method for modulating signal quality of an optical modulation communication system17 Apr 2025US 2025/0123533 A1Molex Incorporated
- Multi-pulse light source and multi-pulse light generation method27 Feb 2025US 2025/0068002 A1Hamamatsu Photonics K.K.
- Calibration apparatus, calibration method, and non-transitory computer-readable storage medium27 Feb 2025US 2025/0070877 A1NEC Corporation
- Optical signal controller, optical signal control method, and optical signal transmission system2 May 2024US 2024/0146420 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array122US 6,301,048 B1Avanex Corporation · 2001
- Optical communication using dispersion-induced FM to AM conversion with nonlinearity-induced stabilization83US 5,400,165 AAT&T Corp. · 1995
- System for optically transmitting digital communications over an optical fiber with dispersion at the operating wavelength81US 5,371,625 AAlcatel · 1994
- Intensity modulated digital optical communications using a frequency modulated signal laser81US 5,416,629 AGeneral Instrument Corporation · 1995