G01S 3/20
Derived by sampling signal received by an antenna system having periodically-varied orientation
Official title: derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic
G01S3/20 (Derived by sampling signal received by an antenna system having periodically-varied orientation) appears on 59 US grants and 58 published applications in this corpus.
Search patents in G01S- Granted patents
- 59
- Published applications
- 58
- Assignees
- 50
- Inventors
- 117
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 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 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 4 | 3 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 0 | 0 |
| 2015 | 6 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 5 | 6 |
| 2019 | 1 | 4 |
| 2020 | 3 | 5 |
| 2021 | 6 | 6 |
| 2022 | 4 | 2 |
| 2023 | 3 | 2 |
| 2024 | 2 | 4 |
| 2025 | 0 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drone encroachment avoidance monitor11 Aug 2026US 12,705,991 B2Mydefence A/S
- Radio wave arrival direction estimation device, radio wave arrival direction estimation method, and radio wave arrival direction estimation program16 Jun 2026US 12,656,442 B2NTT, Inc.
- Direction determining for over-the-air testing of a radio transceiver device19 May 2026US 12,631,709 B2Telefonaktiebolaget LM Ericsson (publ)
- GPS spoofer direction finding and geolocation14 Apr 2026US 12,601,845 B2BAE Systems Information and Electronic Systems Integration Inc.
- Drone encroachment avoidance monitor6 Aug 2024US 12,057,022 B2
- Antenna module for a receiver for mobile reception of signals of a global positioning satellite13 Aug 2026US 2026/0237888 A1FUBA Automotive Electronics GmbH
- Direction Finding Using a Single Electrically-Small Electromagnetic Field Sensing Device7 May 2026US 2026/0126511 A1The United States of America as represented by the Secretary of the Navy
- Compressive sensing correlation interferometer direction finding6 Nov 2025US 2025/0341604 A1BAE Systems Information and Electronic Systems Integration Inc.
- Gps spoofer direction finding and geolocation21 Aug 2025US 2025/0264617 A1BAE Systems Information and Electronic Systems Integration Inc.
- Drone encroachment avoidance monitor24 Oct 2024US 2024/0355213 A1Mydefence A/S
Most cited
By later US patents
- Passive secondary surveillance radar using signals of remote SSR and multiple antennas switched in synchronism with rotation of SSR beam227US 5,198,823 ALitchstreet Co. · 1993
- Item finding using RF signalling67US 7,142,120 B2Symbol Technologies, Inc. · 2006
- Apparatus and method for predicting collision34US 8,068,134 B2Honda Motor Co., Ltd. · 2011
- Adaptive radio direction finding system31US 5,448,248 AUnited Technologies Corporation · 1995
- Interference-aided navigation with cyclic jammer cancellation29US 6,825,804 B1Rockwell Collins, Inc. · 2004