H04B 2210/077
Using a separate fibre
Official title: using a separate fibre
H04B2210/077 (Using a separate fibre) appears on 40 US grants and 37 published applications in this corpus.
Search patents in H04B- Granted patents
- 40
- Published applications
- 37
- Assignees
- 25
- Inventors
- 89
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 9 |
| 2005 | 5 | 8 |
| 2006 | 7 | 6 |
| 2007 | 2 | 0 |
| 2008 | 4 | 3 |
| 2009 | 2 | 1 |
| 2010 | 4 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical monitor device14 Jan 2025US 12,199,665 B2Nippon Telegraph and Telephone Corporation
- Signal processing device5 Sep 2023US 11,749,103 B2OMRON Corporation
- Optical communication system supporting detection and communication networks25 Mar 2014US 8,682,159 B2Tyco Electronics Subsea Communications LLC
- Method and apparatus for sensing channel availability in wireless networks17 Sep 2013US 8,537,730 B2Thomson Licensing
- Network interface device communication via power line3 Jul 2012US 8,212,375 B2Calix, Inc.
- Optical monitor device5 Oct 2023US 2023/0318703 A1Nippon Telegraph and Telephone Corporation
- Signal processing device18 Aug 2022US 2022/0262234 A1OMRON Corporation
- Method and Apparatus for Sensing Channel Availability in Wireless Networks15 Apr 2010US 2010/0092178 A1Thomson Licensing
- Optical Communication System Supporting Detection and Communication Networks14 Jan 2010US 2010/0008666 A1Tyco Telecommunications (US) Inc.
- Automatic power restoring method and optical communication system9 Jul 2009US 2009/0175616 A1Fujitsu Limited
Most cited
By later US patents
- Method and apparatus for monitoring performance of optical transmission systems159US 5,513,029 ANorthern Telecom Limited · 1996
- Passive optical communication network with broadband upgrade115US 5,321,541 AAT&T Bell Laboratories · 1994
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- Optical amplifier with pump light source control for raman amplification46US 6,624,926 B1Fujitsu Limited · 2003
- Method and arrangement for detecting faults in a network45US 6,160,648 ATelefonaktiebolaget LM Ericsson · 2000