G01S 3/12
Means for determining sense of direction
Official title: Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna (determining direction by amplitude comparison of signals derived by combining directional and non-directional signals G01S3/24, G01S3/34)
G01S3/12 (Means for determining sense of direction) appears on 38 US grants and 37 published applications in this corpus.
Search patents in G01S- Granted patents
- 38
- Published applications
- 37
- Assignees
- 38
- Inventors
- 105
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 1 | 6 |
| 2021 | 6 | 7 |
| 2022 | 2 | 2 |
| 2023 | 6 | 3 |
| 2024 | 6 | 4 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for determination of direction of arrival angle30 Dec 2025US 12,510,618 B2NXP B. V.
- Direction finding antenna9 Sep 2025US 12,411,197 B2Accton Technology Corporation
- Antenna device for wireless positioning21 Jan 2025US 12,206,187 B2Sony Group Corporation
- Angle of arrival of personal area network devices using a switched beam antenna10 Dec 2024US 12,164,044 B2SR Technologies, Inc.
- Method, system, and intelligent terminal for one-bit quantization direction of arrival estimation23 Jul 2024US 12,044,786 B1Shenzhen University
- Devices and Systems for Sensing and Locating Radio Frequency Signals11 Jun 2026US 2026/0160846 A1Rutgers, The State University of New Jersey
- Systems and methods for automatic direction finding2 Oct 2025US 2025/0306160 A1The Boeing Company
- Electromagnetic pulse (emp) detector and system29 May 2025US 2025/0172649 A1Ludlum Measurements, Inc.
- Electromagnetic wave processing system3 Apr 2025US 2025/0110197 A1Hitachi, Ltd.
- Angle of arrival of personal area network devices using a switched beam antenna12 Sep 2024US 2024/0302476 A1SR Technologies, Inc.
Most cited
By later US patents
- Location based wireless pet containment system using single base unit21US 10,514,439 B2Radio Systems Corporation · 2019
- Antenna system for radio direction-finding13US 6,211,846 B1Societe Technique d'Application et de Recherche Electronique · 2001
- Active high density multi-element directional antenna system12US 6,661,378 B2Locus Technologies, Inc. · 2003
- Direction finding11US 4,489,327 ARacal Communications Equipment Limited · 1984
- Apparatus and method for determining the location of a mobile device using multiple wireless access points9US 9,804,256 B2UCL Business PLC · 2017