G01S 5/18
Position-fixing by co-ordinating two or more direction or position line determinations: using
Official title: using ultrasonic, sonic or infrasonic waves
G01S5/18 (Position-fixing by co-ordinating two or more direction or position line determinations: using) appears on 1,611 US grants and 1,685 published applications in this corpus.
Search patents in G01S- Granted patents
- 1,611
- Published applications
- 1,685
- Assignees
- 868
- Inventors
- 3,535
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 14 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 2 |
| 2002 | 13 | 9 |
| 2003 | 13 | 21 |
| 2004 | 23 | 24 |
| 2005 | 16 | 30 |
| 2006 | 19 | 37 |
| 2007 | 22 | 31 |
| 2008 | 36 | 39 |
| 2009 | 19 | 38 |
| 2010 | 34 | 49 |
| 2011 | 29 | 42 |
| 2012 | 39 | 58 |
| 2013 | 40 | 61 |
| 2014 | 48 | 71 |
| 2015 | 59 | 82 |
| 2016 | 72 | 89 |
| 2017 | 75 | 89 |
| 2018 | 98 | 124 |
| 2019 | 94 | 138 |
| 2020 | 128 | 128 |
| 2021 | 109 | 109 |
| 2022 | 92 | 95 |
| 2023 | 98 | 104 |
| 2024 | 106 | 92 |
| 2025 | 76 | 75 |
| 2026 | 43 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01S 5/30Determining absolute distances from a plurality of spaced points of known location426
- G01S 5/22Position of source determined by co-ordinating a plurality of position lines defined345
- G01S 5/20Position of source determined by a plurality of spaced direction-finders169
- G01S 5/28By co-ordinating position lines of different shape128
- G01S 5/26Position of receiver fixed by co-ordinating a plurality of position lines defined117
- G01S 5/186Determination of attitude90
- G01S 5/183Emergency, distress or locator beacons29
- G01S 5/24Position of single direction-finder fixed by determining direction of a plurality of23
Recent patents
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- Method for locating a sound event8 Sep 2026US 12,730,182 B2Marbeuf Conseil Et Recherche
- Method for determining a position deviation, a positioning system and an underwater vehicle1 Sep 2026US 12,724,420 B2Saab AB
- Method for measuring location of user equipment in wireless communication system and apparatus therefor8 Oct 2026US 2026/0309831 A1LG Electronics Inc.
- Method and apparatus for measuring position in wireless communication system24 Sep 2026US 2026/0292768 A1LG Electronics Inc.
- Tracking based on sound and sensor fusion20 Aug 2026US 2026/0243863 A1QUALCOMM Incorporated
- Asset tracking using acoustic waves20 Aug 2026US 2026/0247325 A1QUALCOMM Incorporated
- Heading estimation based on audio cues13 Aug 2026US 2026/0235719 A1Apple Inc.
Most cited
By later US patents
- Method for carrying out a medical procedure using a three-dimensional tracking and imaging system968US 6,246,898 B1Sonometrics Corporation · 2001
- Method for carrying out a medical procedure using a three-dimensional tracking and imaging system862US 5,797,849 ASonometrics Corporation · 1998
- Target apparatus587US 4,349,728 AAustralasian Training Aids (Pty.) Ltd. · 1982
- Three-dimensional digital ultrasound tracking system471US 5,515,853 ASonometrics Corporation · 1996
- Motion tracking system428US 6,176,837 B1Massachusetts Institute of Technology · 2001