G01S 3/803
Using amplitude comparison of signals derived from receiving transducers or transducer systems
Official title: using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics
G01S3/803 (Using amplitude comparison of signals derived from receiving transducers or transducer systems) appears on 152 US grants and 141 published applications in this corpus.
Search patents in G01S- Granted patents
- 152
- Published applications
- 141
- Assignees
- 114
- Inventors
- 360
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 2 |
| 2012 | 4 | 6 |
| 2013 | 4 | 5 |
| 2014 | 3 | 3 |
| 2015 | 5 | 3 |
| 2016 | 3 | 9 |
| 2017 | 10 | 7 |
| 2018 | 6 | 6 |
| 2019 | 5 | 13 |
| 2020 | 12 | 18 |
| 2021 | 8 | 13 |
| 2022 | 16 | 13 |
| 2023 | 12 | 11 |
| 2024 | 9 | 6 |
| 2025 | 8 | 3 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Parametric spatial audio rendering with near-field effect24 Mar 2026US 12,587,781 B2Nokia Technologies Oy
- Baffle structure induced amplitude and phase differences10 Feb 2026US 12,548,548 B2Microsoft Technology Licensing, LLC
- Audio-based user engagement detection20 Jan 2026US 12,531,064 B1Amazon Technologies, Inc.
- Direction of audio arrival from Ambisonics channels using azimuth and elevation segments2 Dec 2025US 12,490,040 B2GoPro, Inc.
- Location of an acoustic source28 Oct 2025US 12,455,341 B2Orange
- System and method for tunable acoustic direction sensing using a capacitively coupled circuit1 Oct 2026US 2026/0299074 A1Toyota Jidosha Kabushiki Kaisha
- Acoustic sensor array and method of processing acoustic data collected by the same13 Aug 2026US 2026/0235713 A1Valeo Comfort and Driving Assistance
- System for determining the direction of an acoustic wave using a capacitively coupled circuit6 Aug 2026US 2026/0227479 A1Toyota Jidosha Kabushiki Kaisha
- Sound source localizing headwear and feedback device6 Aug 2026US 2026/0230748 A1Toyota Jidosha Kabushiki Kaisha
- Baffle structure induced amplitude and phase differences4 Jun 2026US 2026/0155129 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Determining speaker direction using a spherical microphone array204US 9,560,441 B1Amazon Technologies, Inc. · 2017
- Multi-orientation playback device microphones154US 9,743,204 B1Sonos, Inc. · 2017
- Acoustic intercept reciever-combined frequency and bearing processor119US 5,559,756 AThe United States of America as represented by the Secretary of the Navy · 1996
- Synthesizing audio corresponding to a virtual microphone location97US 9,749,738 B1GoPro, Inc. · 2017
- Displaying sound indications on a wearable computing system94US 8,493,204 B2Google Inc. · 2013