G01S 3/36
The separate antennas having differently-oriented directivity characteristics
Official title: the separate antennas having differently-oriented directivity characteristics
G01S3/36 (The separate antennas having differently-oriented directivity characteristics) appears on 27 US grants and 26 published applications in this corpus.
Search patents in G01S- Granted patents
- 27
- Published applications
- 26
- Assignees
- 26
- Inventors
- 71
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 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 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 4 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Air traffic control antenna and system4 Mar 2025US 12,241,971 B2
- High confidence isolated presence detection in fine resolution region21 Mar 2023US 11,609,319 B2Radius Networks, Inc.
- Interferometric direction-finding antenna array with multiplexed/switched radiating elements14 Feb 2023US 11,579,234 B2Rockwell Collins, Inc.
- Asset location using direction finding features5 Jul 2022US 11,378,641 B2Cypress Semiconductor Corporation
- Geolocation of an electromagnetic emitter utilizing receptor pattern slope31 May 2022US 11,346,916 B2Softronics, Ltd.
- Smart antenna for positioning of objects using bluetooth technology19 Jun 2025US 2025/0202132 A1Sparkpark AS
- Electromagnetic pulse (emp) detector and system29 May 2025US 2025/0172649 A1Ludlum Measurements, Inc.
- Geolocation of an electromagnetic emitter utilizing receptor pattern slope3 Mar 2022US 2022/0065975 A1Softronics, Ltd.
- Air traffic control antenna and system27 Jan 2022US 2022/0026565 A1
- Interferometric Direction-Finding Antenna Array with Multiplexed/Switched Radiating Elements11 Nov 2021US 2021/0349173 A1Rockwell Collins, Inc.
Most cited
By later US patents
- Method and device for obtaining attitude under interference by a GSP receiver equipped with an array antenna153US 6,598,009 B22003
- Highly accurate RF-ID positioning system144US 5,594,448 ATexas Instruments Incorporated · 1997
- Miniaturized wireless inertial sensing system108US 7,672,781 B2Microstrain, Inc. · 2010
- Highly accurate RE-ID positioning system107US 5,619,207 ATexas Instruments Incorporated · 1997
- Relative navigation for precision rendezvous and station keeping using datalink signals33US 7,418,343 B1Rockwell Collins, Inc. · 2008