G01S 1/302
Systems in which the direction is determined by using an interferometric type
Official title: {Systems in which the direction is determined by using an interferometric type transmitting antenna array}
G01S1/302 (Systems in which the direction is determined by using an interferometric type) appears on 12 US grants and 7 published applications in this corpus.
Search patents in G01S- Granted patents
- 12
- Published applications
- 7
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 4 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 5 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Quad band relay Common Data Link system and method4 May 2021US 10,998,985 B1
- System and method for digital direction finding22 Dec 2020US 10,873,404 B2
- System and method for creation of a dynamically sharp filter11 Aug 2020US 10,742,333 B2
- System and method for improving wireless data links28 Jul 2020US 10,727,957 B2
- Quad band relay common data link system and method28 Jan 2020US 10,547,394 B2
- System and method for improving wireless data links19 Nov 2020US 2020/0366383 A1
- System and method for improving wireless data links5 Dec 2019US 2019/0372682 A1
- System and Method for creation of a dynamically sharp filter7 Nov 2019US 2019/0339353 A1
- System and method for digital direction finding9 May 2019US 2019/0137593 A1
- Quad Band Relay Common Data Link System and Method9 May 2019US 2019/0140736 A1
Most cited
By later US patents
- Method and apparatus for automatically detecting and tracking moving objects and similar applications100US 3,996,590 A1976
- Method and apparatus for mapping and similar applications51US 3,953,856 A1976
- Interferometric navigation and guidance system31US 3,946,385 AThe United States of America as represented by the Secretary of the Department of Transportation · 1976
- Precision landing system14US 5,475,393 A1995
- Radio direction finder with means for reducing sensitivity to multipath propogation errors9US 3,973,262 AInternational Standard Electric Corporation · 1976