G01S 3/32
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
G01S3/32 (Derived from different combinations of signals from separate antennas) appears on 162 US grants and 102 published applications in this corpus.
Search patents in G01S- Granted patents
- 162
- Published applications
- 102
- Assignees
- 113
- Inventors
- 364
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 3 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 4 | 5 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 4 | 4 |
| 2011 | 3 | 2 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 4 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 5 | 7 |
| 2018 | 11 | 11 |
| 2019 | 5 | 9 |
| 2020 | 13 | 11 |
| 2021 | 10 | 11 |
| 2022 | 9 | 2 |
| 2023 | 4 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direction determining for over-the-air testing of a radio transceiver device19 May 2026US 12,631,709 B2Telefonaktiebolaget LM Ericsson (publ)
- Antenna systems and methods for tracking non-geosynchronous satellites19 Aug 2025US 12,392,856 B2ViaSat, Inc.
- Air traffic control antenna and system4 Mar 2025US 12,241,971 B2
- Wireless power transmission device and power transmission system to aerial moving body2 Jul 2024US 12,025,644 B2Mitsubishi Electric Corporation
- Method and apparatus for estimating direction of arrival using generation of virtual received signals19 Mar 2024US 11,933,909 B2Hyundai Mobis Co., Ltd.
- Direction finding for omni-directional antenna systems9 Jul 2026US 2026/0196742 A1Dish Wireless L. L. C.
- 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.
- 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.
Most cited
By later US patents
- Vehicle tracking system518US 5,218,367 ATrackmobile LLC · 1993
- Tracking system and method for tracking a movable object carrying a cellular phone unit, and integrated personal protection system incorporating the tracking system511US 5,515,419 ATrackmobile LLC · 1996
- Estimating angle measurements for source tracking using a phased array system371US 9,989,633 B1Cypress Semiconductor Corporation · 2018
- Locating external interference in a wireless network308US 11,101,903 B2Spectrum Effect Inc. · 2021
- Radar systems222US 5,926,128 AThe Marconi Company Limited · 1999