H04B 10/5059
Using a feed-forward signal generated by analysing the optical or electrical input
Official title: {using a feed-forward signal generated by analysing the optical or electrical input}
H04B10/5059 (Using a feed-forward signal generated by analysing the optical or electrical input) appears on 161 US grants and 143 published applications in this corpus.
Search patents in H04B- Granted patents
- 161
- Published applications
- 143
- Assignees
- 89
- Inventors
- 303
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 10 |
| 2005 | 3 | 6 |
| 2006 | 7 | 5 |
| 2007 | 3 | 6 |
| 2008 | 6 | 5 |
| 2009 | 1 | 4 |
| 2010 | 8 | 2 |
| 2011 | 6 | 7 |
| 2012 | 3 | 6 |
| 2013 | 2 | 2 |
| 2014 | 6 | 4 |
| 2015 | 7 | 7 |
| 2016 | 7 | 6 |
| 2017 | 9 | 10 |
| 2018 | 12 | 11 |
| 2019 | 5 | 8 |
| 2020 | 13 | 13 |
| 2021 | 6 | 7 |
| 2022 | 10 | 6 |
| 2023 | 6 | 5 |
| 2024 | 5 | 2 |
| 2025 | 4 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical signal sending apparatus22 Sep 2026US 12,744,601 B2Huawei Technologies Co., Ltd.
- Optical transmission system, transmission apparatus, receiving apparatus and method for device characteristic estimation19 May 2026US 12,634,015 B2NTT, Inc.
- Subscriber apparatus, optical communication system and optical signal monitoring method7 Apr 2026US 12,598,000 B2NTT, Inc.
- Semiconductor IQ modulator24 Feb 2026US 12,560,852 B2NTT, Inc.
- Signal detection and information conveyance over optical fiber6 Jan 2026US 12,519,543 B2MACOM Technology Solutions Holdings, Inc.
- Method and System For External Modulation For Multi-Source NRZ to Pam-n24 Sep 2026US 2026/0291615 A1II-Vi Delaware, Inc.
- Coherent optical transmission system with multi-use laser emitter and optical transceiver thereof12 Mar 2026US 2026/0074795 A1Global Technology Inc.
- Apparatus and method for coherent reception18 Dec 2025US 2025/0385739 A1Nokia Solutions and Networks Oy
- Communication control apparatus and communication control method17 Jul 2025US 2025/0233683 A1Nippon Telegraph and Telephone Corporation
- System and method for optical communication5 Jun 2025US 2025/0184010 A1Luminous Computing, Inc.
Most cited
By later US patents
- Chirped-pulse multiple wavelength telecommunications system147US 5,631,758 ALucent Technologies Inc. · 1997
- Method of and device for driving optical modulator, and optical communications system118US 5,917,637 AFujitsu Limited · 1999
- Adaptive predistortion control for optical external modulation71US 5,850,305 AScientific-Atlanta, Inc. · 1998
- High capacity chirped-pulse wavelength-division multiplexed communication method and apparatus64US 6,141,127 ALucent Technologies Inc. · 2000
- Location specific optical monitoring64US 7,376,358 B2Nortel Networks Limited · 2008