G01S 3/34
The separate antennas comprising one directional antenna and one non-directional antenna
Official title: the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic
G01S3/34 (The separate antennas comprising one directional antenna and one non-directional antenna) appears on 5 US grants and 4 published applications in this corpus.
Search patents in G01S- Granted patents
- 5
- Published applications
- 4
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 22 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Using unidirectional and omnidirectional antennas to determine whether object image is in camera viewfinder22 Oct 2019US 10,455,156 B2Hewlett-Packard Development Company, L. P.
- System and method for direction finding and geolocation of emitters based on line-of-bearing intersections13 May 2014US 8,723,730 B2Exelis, Inc.
- Co-linear antenna for direction finding26 Jan 2010US 7,652,626 B1The United States of America as represented by the Secretary of the Army
- Antenna configuration and system for determining the direction of a radio frequency signal21 Jun 1994US 5,323,167 ADelfin Systems
- Lightning strike detection and mapping system with auto control of mapping display7 Jun 1994US 5,319,553 AB. F. Goodrich Flight Systems, Inc.
- Determining a bearing to a radio beacon11 Jun 2026US 2026/0160847 A1Rockwell Collins, Inc.
- Method for determining a reception direction of a radio signal23 May 2019US 2019/0154790 A1Continental Teves AG & Co. oHG
- Using unidirectional and omnidirectional antennas to determine whether object image is in camera viewfinder3 Jan 2019US 2019/0007621 A1Hewlett-Packard Development Company, L. P.
- System and Method for Direction Finding and Geolocation of Emitters Based on Line-of-Bearing Intersections31 Jan 2013US 2013/0027251 A1ITT Manufacturing Enterprises, Inc.
Most cited
By later US patents
- System and method for direction finding and geolocation of emitters based on line-of-bearing intersections203US 8,723,730 B2Exelis, Inc. · 2014
- Lightning strike detection and mapping system with auto control of mapping display10US 5,319,553 AB. F. Goodrich Flight Systems, Inc. · 1994
- Antenna configuration and system for determining the direction of a radio frequency signal7US 5,323,167 ADelfin Systems · 1994
- Co-linear antenna for direction finding4US 7,652,626 B1The United States of America as represented by the Secretary of the Army · 2010
- Using unidirectional and omnidirectional antennas to determine whether object image is in camera viewfinder2US 10,455,156 B2Hewlett-Packard Development Company, L. P. · 2019