H04B 2210/072
Using an overhead signal
Official title: using an overhead signal
H04B2210/072 (Using an overhead signal) appears on 59 US grants and 44 published applications in this corpus.
Search patents in H04B- Granted patents
- 59
- Published applications
- 44
- Assignees
- 31
- Inventors
- 166
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 6 |
| 2003 | 4 | 1 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 5 |
| 2013 | 1 | 3 |
| 2014 | 4 | 2 |
| 2015 | 2 | 4 |
| 2016 | 4 | 7 |
| 2017 | 5 | 0 |
| 2018 | 4 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Signal processing device5 Sep 2023US 11,749,103 B2OMRON Corporation
- Recording medium and method9 May 2023US 11,646,914 B2OMRON Corporation
- Method, device and system for controlling protection switching on optical network16 Aug 2022US 11,418,255 B2Zte Corporation
- Pilot-aided digital signal processing for reception of coherent optical communication17 Mar 2020US 10,594,406 B2Nokia Solutions and Networks Oy
- Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver31 Dec 2019US 10,523,362 B2Ciena Corporation
- Signal processing device18 Aug 2022US 2022/0262234 A1OMRON Corporation
- Recording medium and method18 Aug 2022US 2022/0263689 A1OMRON Corporation
- Method, device and system for controlling protection switching on optical network31 Dec 2020US 2020/0412446 A1Zte Corporation
- Measurement device, transmission device, and network system15 Oct 2020US 2020/0328806 A1Fujitsu Limited
- Pilot-Aided Digital Signal Processing for Reception of Coherent Optical Communication12 Sep 2019US 2019/0280778 A1Nokia Solutions and Networks Oy
Most cited
By later US patents
- Wavelength division multiplexing optical communication system and wavelength division multiplexing optical communication method54US 6,934,479 B2Fujitsu Limited · 2005
- Optical add-drop multiplexer43US 6,404,525 B1NEC Corporation · 2002
- Optical transmission system constructing method and system32US 5,555,477 AHitachi, Ltd. · 1996
- Monitoring system for optical transmission line repeaters25US 4,278,850 AKokusai Denshin Denwa Kabushiki Kaisha · 1981
- Alarm control system and method25US 7,068,931 B2NEC Corporation · 2006