G01S 1/80
Using a comparison of transit time of synchronised signals transmitted from non-directional
Official title: using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems
G01S1/80 (Using a comparison of transit time of synchronised signals transmitted from non-directional) appears on 27 US grants and 35 published applications in this corpus.
Search patents in G01S- Granted patents
- 27
- Published applications
- 35
- Assignees
- 25
- Inventors
- 68
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 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 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 5 |
| 2017 | 2 | 2 |
| 2018 | 1 | 5 |
| 2019 | 3 | 1 |
| 2020 | 4 | 4 |
| 2021 | 4 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatuses, methods and computer programs for locating mobile devices by using photoacoustically-generated audio signals7 Apr 2026US 12,596,171 B2Nokia Technologies Oy
- Acoustic horn phased array3 Sep 2024US 12,078,708 B2
- Audio-based detection and tracking of emergency vehicles25 Jul 2023US 11,711,648 B2Intel Corporation
- Ultrasound based air-writing system and method18 Apr 2023US 11,630,518 B2King Abdullah University of Science and Technology
- Range-finding and object-positioning systems and methods using same6 Sep 2022US 11,438,867 B2Zerokey Inc.
- Estimating Loudspeaker Elevation17 Sep 2026US 2026/0276771 A1Samsung Electronics Co., Ltd.
- Electronic device, positioning method thereof, and medium2 Apr 2026US 2026/0093033 A1Huawei Technologies Co., Ltd.
- Method for interaction between devices, position determining method, electronic device, and chip system14 Mar 2024US 2024/0085555 A1Huawei Technologies Co., Ltd.
- Apparatuses, methods and computer programs for locating mobile devices by using photoacoustically-generated audio signals11 Jan 2024US 2024/0012094 A1Nokia Technologies Oy
- Acoustic horn phased array24 Mar 2022US 2022/0091215 A1
Most cited
By later US patents
- Local positioning system for automated lawn mowers47US 8,027,761 B12011
- Target location systems19US 4,253,166 APlessey Handel und Investments AG · 1981
- Range-finding and object-positioning systems and methods using same15US 10,051,599 B2Zerokey Inc. · 2018
- Location system15US 9,069,058 B2Sonitor Technologies AS · 2015
- Audio-based detection and tracking of emergency vehicles10US 11,711,648 B2Intel Corporation · 2023