G01S 1/50
Wherein the phase angle of the direction-dependent envelope signal is compared with
Official title: wherein the phase angle of the direction-dependent envelope signal is compared with a non-direction-dependent reference signal, {e.g. VOR}
G01S1/50 (Wherein the phase angle of the direction-dependent envelope signal is compared with) appears on 33 US grants and 14 published applications in this corpus.
Search patents in G01S- Granted patents
- 33
- Published applications
- 14
- Assignees
- 22
- Inventors
- 42
- Latest grant
- 26 Dec 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Terrestrial position and timing system26 Dec 2017US 9,851,429 B2Ohio University
- Systems and method for AIS transponder integration with ILS/VOR receivers28 Nov 2017US 9,830,828 B2Honeywell International Inc.
- Systems and methods for efficient reception and combining of similar signals received on two or more antennas1 Aug 2017US 9,720,094 B2Honeywell International Inc.
- Terrestrial position and timing system30 Aug 2016US 9,429,639 B2Ohio University
- Systems and methods for efficient reception and combining of similar signals received on two or more antennas14 Jun 2016US 9,366,761 B2Honeywell International Inc.
- Semi-automated drone for avionics navigation signal verification and methods of operation and use thereof25 Oct 2018US 2018/0308298 A1Thales USA, Inc.
- Terrestrial position and timing system18 May 2017US 2017/0139030 A1Ohio University
- Systems and methods for efficient reception and combining of similar signals received on two or more antennas22 Dec 2016US 2016/0370449 A1Honeywell International Inc.
- Systems and method for ais transponder integration with ils/vor receivers29 Sep 2016US 2016/0284222 A1Honeywell International Inc.
- Monitoring device and doppler vor system25 Sep 2014US 2014/0285379 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Hand-held navigation radio with CDI for VOR and localizer23US 5,771,018 ASportman's Market, Inc. · 1998
- Navigating device21US 4,212,067 AGeneral Aviation Electronics, Inc. · 1980
- Digital phase shifting apparatus which compensates for change of frequency of an input signal to be phase shifted17US 4,495,473 ARockwell International Corporation · 1985
- Signal monitor utilizing digital signal processing15US 5,185,609 AWilcox Electric, Inc. · 1993
- Variable phase shifter14US 4,095,186 ACessna Aircraft Company · 1978