G01S 3/465
The waves arriving at the aerials being frequency modulated and the frequency
Official title: {the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured}
G01S3/465 (The waves arriving at the aerials being frequency modulated and the frequency) appears on 30 US grants and 27 published applications in this corpus.
Search patents in G01S- Granted patents
- 30
- Published applications
- 27
- Assignees
- 20
- Inventors
- 50
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 2 |
| 2022 | 4 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Radar interference reduction techniques for autonomous vehicles10 Dec 2024US 12,164,054 B2Waymo LLC
- Method for calibrating an airborne goniometry apparatus for low frequencies28 May 2024US 11,994,602 B2Bull SAS
- Angle of arrival estimation using a single receive chain6 Jun 2023US 11,668,781 B2Texas Instruments Incorporated
- Angle of arrival estimation using a single receive chain16 Oct 2025US 2025/0321311 A1Texas Instruments Incorporated
- Direction finder antenna system20 Jun 2024US 2024/0201305 A1Elta Systems Ltd.
- Angle of arrival estimation using a single receive chain17 Aug 2023US 2023/0258758 A1Texas Instruments Incorporated
- Method for calibrating an airborne goniometry apparatus for low frequencies13 Apr 2023US 2023/0113476 A1Bull SAS
- Radar Interference Reduction Techniques for Autonomous Vehicles8 Dec 2022US 2022/0390550 A1Waymo LLC
Most cited
By later US patents
- Direction finder and locator36US 7,148,802 B22006
- Pseudo-spectrum averaging for angle of arrival detection8US 11,143,735 B2Silicon Laboratories Inc. · 2021
- Multifunction channelizer/DDC architecture for a digital receiver/exciter5US 10,084,587 B1Raytheon Company · 2018
- Method and apparatus for determining the direction of arrival of radio or acoustic signals, and for transmitting directional radio or acoustic signals4US 10,754,002 B12020
- System and method for determining angle of arrival for communications4US 11,269,044 B2Denso Corporation · 2022