G01S 3/72
Diversity systems specially adapted for direction-finding
G01S3/72 (Diversity systems specially adapted for direction-finding) appears on 56 US grants and 58 published applications in this corpus.
Search patents in G01S- Granted patents
- 56
- Published applications
- 58
- Assignees
- 49
- Inventors
- 145
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 7 |
| 2020 | 5 | 6 |
| 2021 | 6 | 5 |
| 2022 | 3 | 5 |
| 2023 | 6 | 3 |
| 2024 | 5 | 6 |
| 2025 | 5 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Window mountable direction-finding antenna arrays19 May 2026US 12,633,653 B2L3Harris Technologies, Inc.
- Systems, methods, and apparatus for estimating angle of arrival24 Feb 2026US 12,560,669 B2The Boeing Company
- Direction finder antenna system2 Dec 2025US 12,487,310 B2Elta Systems Ltd.
- Direction finding antenna9 Sep 2025US 12,411,197 B2Accton Technology Corporation
- Rapid, automatic directional beam alignment in 5G/6G networks22 Apr 2025US 12,282,107 B2
- Window mountable direction-finding antenna arrays14 May 2026US 2026/0135294 A1L3Harris Technologies, Inc.
- Angle of arrival estimation using a single receive chain16 Oct 2025US 2025/0321311 A1Texas Instruments Incorporated
- Window mountable direction-finding antenna arrays13 Mar 2025US 2025/0087875 A1L3Harris Technologies, Inc.
- Multiport df antennas and df systems6 Feb 2025US 2025/0044395 A1Applied Signals Intelligence, Inc.
- Multiport df antennas and df systems6 Feb 2025US 2025/0044396 A1
Most cited
By later US patents
- Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference140US 5,973,642 AAT&T Corp. · 1999
- Method and apparatus for channel estimation for multicarrier systems98US 6,327,314 B1AT&T Corp. · 2001
- Method and apparatus providing spatial diversity within an indoor network34US 6,590,884 B1Texas Instruments Incorporated · 2003
- Method and apparatus for determining a direction of arrival of a signal23US 6,421,007 B1Motorola, Inc. · 2002
- Smart antenna with adaptive convergence parameter17US 6,369,757 B1Neo Reach, Inc. · 2002