G01S 1/30
The synchronised signals being continuous waves or intermittent trains of continuous waves
Official title: the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
G01S1/30 (The synchronised signals being continuous waves or intermittent trains of continuous waves) appears on 67 US grants and 31 published applications in this corpus.
Search patents in G01S- Granted patents
- 67
- Published applications
- 31
- Assignees
- 54
- Inventors
- 110
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 6 |
| 2020 | 7 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 2 |
| 2023 | 4 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01S 1/302Systems in which the direction is determined by using an interferometric type12
- G01S 1/308Particularly adapted to omega systems11
- G01S 1/304Analogous systems in which a beat frequency, obtained by heterodyning the signals5
- G01S 1/306Analogous systems in which frequency-related signals are compared in phase5
- G01S 1/36Systems in which a beat frequency, obtained by heterodyning the synchronised signals2
- G01S 1/32Systems in which the signals received, with or without amplification, or signals1
- G01S 1/34Systems in which first and second synchronised signals are transmitted from both0
Recent patents
- System and method for positioning at least one mobile receiver10 Feb 2026US 12,546,847 B2Wheere
- Method and apparatus for synchronising a location network30 Apr 2024US 11,974,247 B2Locata Corporation Pty Ltd
- System and method for ultra-high-resolution ranging using RFID27 Feb 2024US 11,914,018 B2Cornell University
- Wheelchair systems and methods enabling fine manual motion control30 May 2023US 11,660,240 B2Toyota Motor North America, Inc.
- Laser distance measuring apparatus28 Feb 2023US 11,592,513 B2Mitsubishi Electric Corporation
- Interferometric location sensing31 Jul 2025US 2025/0247812 A1Deeyook Location Technologies Ltd.
- Battery cell position determination18 Jul 2024US 2024/0241205 A1
- System and method for positioning at least one mobile receiver18 Apr 2024US 2024/0125883 A1Wheere
- System and method for ultra-high-resolution ranging using rfid29 Dec 2022US 2022/0413082 A1Cornell University
- Method and Apparatus for Synchronising a Location Network8 Sep 2022US 2022/0286992 A1Locata Corporation Pty Ltd
Most cited
By later US patents
- Method and apparatus for automatically detecting and tracking moving objects and similar applications100US 3,996,590 A1976
- Method for positioning moving vehicles and exchanging communications between the vehicles and a central station82US 4,701,760 ACommissariat A L' Energie Atomique · 1987
- Method and apparatus for mapping and similar applications51US 3,953,856 A1976
- Interferometric navigation and guidance system31US 3,946,385 AThe United States of America as represented by the Secretary of the Department of Transportation · 1976
- Method for validating aircraft traffic control data26US 9,052,375 B2The Boeing Company · 2015