G01S 1/22
The synchronised signals being frequency modulations on carrier waves and the transit
Official title: the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves
G01S1/22 (The synchronised signals being frequency modulations on carrier waves and the transit) appears on 6 US grants and 6 published applications in this corpus.
Search patents in G01S- Granted patents
- 6
- Published applications
- 6
- Assignees
- 7
- Inventors
- 24
- Latest grant
- 11 Nov 2025
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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for separating loran sky and ground waves based on levenberg-marquart algorithm11 Nov 2025US 12,468,000 B2Xi'an University of Technology
- Method and device for position determination3 Aug 2021US 11,079,463 B2Forschungszentrum Juelich GmbH
- Device for modulating a microwave signal, transponder including such a device, and responder beacon equipped with such a transponder29 Dec 2020US 10,879,846 B2Thales
- Ambiguity resolution in positioning measurements24 Jul 2018US 10,034,191 B2Sequans Communications
- Apparatus for transmitting positioning signal, positioning system including the apparatus, and system for transmitting positioning signal19 Oct 2010US 7,817,090 B2Funai Electric Co., Ltd.
- Method for separating loran sky and ground waves based on levenberg-marquart algorithm6 Oct 2022US 2022/0317228 A1Xi'an University of Technology
- Device for modulating a microwave signal, transponder including such a device, and responder beacon equipped with such a transponder23 Jul 2020US 2020/0235704 A1Thales
- Method and device for position determination20 Jun 2019US 2019/0187237 A1Forschungszentrum Juelich GmbH
- Ambiguity resolution in positioning measurements29 Dec 2016US 2016/0381592 A1Sequans Communications
- System for synchronizing a satellite pointing device17 Apr 2014US 2014/0105099 A1
Most cited
By later US patents
- Target location systems19US 4,253,166 APlessey Handel und Investments AG · 1981
- Apparatus for transmitting positioning signal, positioning system including the apparatus, and system for transmitting positioning signal5US 7,817,090 B2Funai Electric Co., Ltd. · 2010
- Ambiguity resolution in positioning measurements3US 10,034,191 B2Sequans Communications · 2018