H04B 10/07
Arrangements for monitoring or testing transmission systems
Official title: Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
H04B10/07 (Arrangements for monitoring or testing transmission systems) appears on 5,759 US grants and 5,897 published applications in this corpus.
Search patents in H04B- Granted patents
- 5,759
- Published applications
- 5,897
- Assignees
- 1,275
- Inventors
- 9,006
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 15 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 25 | 0 |
| 1995 | 24 | 0 |
| 1996 | 57 | 0 |
| 1997 | 36 | 0 |
| 1998 | 59 | 0 |
| 1999 | 64 | 0 |
| 2000 | 52 | 0 |
| 2001 | 67 | 24 |
| 2002 | 77 | 150 |
| 2003 | 88 | 157 |
| 2004 | 102 | 192 |
| 2005 | 98 | 113 |
| 2006 | 137 | 98 |
| 2007 | 119 | 107 |
| 2008 | 103 | 123 |
| 2009 | 79 | 142 |
| 2010 | 102 | 112 |
| 2011 | 105 | 114 |
| 2012 | 120 | 188 |
| 2013 | 140 | 203 |
| 2014 | 214 | 274 |
| 2015 | 281 | 287 |
| 2016 | 296 | 357 |
| 2017 | 419 | 400 |
| 2018 | 383 | 341 |
| 2019 | 418 | 328 |
| 2020 | 373 | 351 |
| 2021 | 323 | 293 |
| 2022 | 319 | 374 |
| 2023 | 278 | 328 |
| 2024 | 272 | 302 |
| 2025 | 236 | 315 |
| 2026 | 194 | 224 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crosstalk measuring method, and crosstalk measuring device6 Oct 2026US 12,754,100 B2Fujikura Ltd.
- Optical time domain reflectometer (OTDR)-based fiber monitoring optimization6 Oct 2026US 12,756,459 B2Viavi Solutions Inc.
- Cloud-based rogue network device detection6 Oct 2026US 12,756,460 B1Calix, Inc.
- Monitoring control device, optical transmission path monitoring device, and monitoring control method6 Oct 2026US 12,756,461 B2NEC Corporation
- Utilizing curved focal planes for optical wireless communication6 Oct 2026US 12,756,462 B2QUALCOMM Incorporated
- Identification Method for Branch Ports of Optical Distribution Network, and Optical Distribution Network8 Oct 2026US 2026/0312678 A1Zte Corporation
- Signal monitoring using linear optics8 Oct 2026US 2026/0312679 A1Cisco Technology, Inc.
- Analysis of Multi-Lane Communication Links8 Oct 2026US 2026/0312680 A1Mellanox Technologies, Ltd.
- Signal-to-noise ratio-based bit error ratio calculation for reporting beyond a forward error correction threshold8 Oct 2026US 2026/0312681 A1Ciena Corporation
- Optical fiber sensing system, optical fiber sensing device, and breakage detection method1 Oct 2026US 2026/0298674 A1NEC Corporation
Most cited
By later US patents
- Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith468US 9,627,768 B2AT&T Intellectual Property I, L. P. · 2017
- Intelligent fiberoptic transmitters and methods of operating and manufacturing the same253US 5,812,572 APacific Fiberoptics, Inc. · 1998
- Method and system for detecting optical faults within the optical domain of a fiber communication network248US 6,005,694 AMCI WorldCom, Inc. · 1999
- Optical communications system having distributed intelligence222US 5,712,942 ALucent Technologies Inc. · 1998
- Optical time domain reflectometry (OTDR) trace analysis in PON systems169US 8,724,102 B2Telefonaktiebolaget LM Ericsson (publ) · 2014