G01D 5/3539
Using time division multiplexing
Official title: {using time division multiplexing}
G01D5/3539 (Using time division multiplexing) appears on 47 US grants and 55 published applications in this corpus.
Search patents in G01D- Granted patents
- 47
- Published applications
- 55
- Assignees
- 45
- Inventors
- 113
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 5 | 3 |
| 2017 | 2 | 6 |
| 2018 | 6 | 3 |
| 2019 | 3 | 5 |
| 2020 | 2 | 0 |
| 2021 | 3 | 3 |
| 2022 | 4 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Massive submarine monitoring BOTDA system based on mesh multi-stage remote pump amplification8 Sep 2026US 12,729,987 B2Jiangsu Shenyuan Marine Information Technology and Equipment Innovation Center Co., Ltd.
- Optical fiber sensor utilizing faraday rotator mirrors and measuring system using the same12 May 2026US 12,624,973 B2Hakusan Inc.
- Bragg wavelength spectral interrogation device13 Jan 2026US 12,523,503 B2Safran
- Moisture sensor systems and methods of installation14 Oct 2025US 12,442,810 B2Acclima, Inc.
- System and method for determining changes of an optical fibre4 Mar 2025US 12,241,794 B2Saab AB
- Massive submarine monitoring botda system based on mesh multi-stage remote pump amplification2 Jul 2026US 2026/0185855 A1Jiangsu Shenyuan Marine Information Technology and Equipment Innovation Center Co., Ltd.
- Optical fiber sensing device and method4 Jun 2026US 2026/0153365 A1NTT, Inc.
- Moisture sensor systems & methods of installation5 Feb 2026US 2026/0036565 A1Acclima, Inc.
- Optical fiber sensor and measuring system using the same1 Aug 2024US 2024/0255320 A1Hakusan Inc.
- Bragg wavelength spectral interrogation device18 Jul 2024US 2024/0240973 A1Safran
Most cited
By later US patents
- Fiber optic position and/or shape sensing based on rayleigh scatter344US 7,772,541 B2Luna Innnovations Incorporated · 2010
- Fibre optic distributed sensing22US 9,435,668 B2Optasense Holdings Limited · 2016
- Fiber-optic interrogator with normalization filters21US 7,683,312 B2US Sensor Systems, Inc. · 2010
- Apparatus for deriving measurement signals from fibre optic distributed sensors20US 9,909,903 B2Optasense Holdings Limited · 2018
- Interrogator for a plurality of sensor fiber optic gratings having at least one filter for converting changes in peak reflection wavelength to changes in intensity19US 7,994,469 B2US Sensor Systems, Inc. · 2011