G01S 3/22
Derived from different combinations of signals from separate antennas
Official title: derived from different combinations of signals from separate antennas, e.g. comparing sum with difference
G01S3/22 (Derived from different combinations of signals from separate antennas) appears on 60 US grants and 48 published applications in this corpus.
Search patents in G01S- Granted patents
- 60
- Published applications
- 48
- Assignees
- 45
- Inventors
- 116
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 5 | 3 |
| 2018 | 2 | 5 |
| 2019 | 1 | 2 |
| 2020 | 9 | 7 |
| 2021 | 6 | 5 |
| 2022 | 1 | 4 |
| 2023 | 6 | 4 |
| 2024 | 4 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drone encroachment avoidance monitor11 Aug 2026US 12,705,991 B2Mydefence A/S
- Antenna arrangements for measurement of angle of arrival over 360 degrees11 Nov 2025US 12,468,001 B1SR Technologies, Inc.
- Apparatus and method for determining a 3D directional vector between a sending device and a receiving device14 Oct 2025US 12,442,886 B2u-blox AG
- Antenna systems and methods for tracking non-geosynchronous satellites19 Aug 2025US 12,392,856 B2ViaSat, Inc.
- Positioning measurements24 Jun 2025US 12,342,312 B2Nokia Technologies Oy
- Determining a bearing to a radio beacon11 Jun 2026US 2026/0160847 A1Rockwell Collins, Inc.
- Antenna systems and methods for tracking non-geosynchronous satellites7 May 2026US 2026/0126512 A1ViaSat, Inc.
- System and method for determining direction of a radio frequency signal30 Oct 2025US 2025/0334661 A1
- Receiver comprising adjustable antenna for angle of arrival estimation of input signals3 Jul 2025US 2025/0216495 A1Huawei Technologies Co., Ltd.
- Drone encroachment avoidance monitor24 Oct 2024US 2024/0355213 A1Mydefence A/S
Most cited
By later US patents
- Apparatus for detecting moving ball87US 5,976,038 AToy Builders · 1999
- Lightning locating system78US 5,771,020 AAirborne Research Associates, Inc. · 1998
- Lightning locating system65US 6,246,367 B1Airborne Research Associates, Inc. · 2001
- Proximity alert system41US 5,298,883 A1994
- Amplitude selected phase interferometer angle measuring radar25US 4,170,774 AUnited Technologies Corporation · 1979