G10K 2210/3025
Determination of spectrum characteristics
Official title: Determination of spectrum characteristics, e.g. FFT
G10K2210/3025 (Determination of spectrum characteristics) appears on 170 US grants and 160 published applications in this corpus.
Search patents in G10K- Granted patents
- 170
- Published applications
- 160
- Assignees
- 98
- Inventors
- 362
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 4 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 8 |
| 2017 | 7 | 13 |
| 2018 | 13 | 8 |
| 2019 | 9 | 5 |
| 2020 | 10 | 13 |
| 2021 | 13 | 19 |
| 2022 | 14 | 19 |
| 2023 | 19 | 24 |
| 2024 | 9 | 8 |
| 2025 | 17 | 15 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Open wearable acoustic device and active noise reduction method6 Oct 2026US 12,755,727 B2Shenzhen Shokz Co., Ltd.
- Helmet with actuated earpiece4 Aug 2026US 12,700,392 B2Polaris Industries Inc.
- Systems and methods for subband virtual path calculation in active noise cancellation4 Aug 2026US 12,700,393 B2Harman International Industries, Incorporated
- Systems and methods for adjusting harmonic cancellation16 Jun 2026US 12,658,171 B2Bose Corporation
- Systems and methods for virtual microphones in active noise cancellation7 Apr 2026US 12,597,411 B2Harman International Industries, Incorporated
- Apparatus and method for reducing noise in a space due to a noisy system by electronic noise cancellation13 Aug 2026US 2026/0237375 A1Nuovo Pignone Tecnologie Srl
- Low latency hearing device and low latency hearing method23 Jul 2026US 2026/0214375 A1Mediatek Inc.
- Methods and systems for active noise control in an audio playback device16 Jul 2026US 2026/0204247 A1Samsung Electronics Co., Ltd.
- Headphone Control Method and Headphone25 Jun 2026US 2026/0181309 A1Anker Innovations Technology Co., Ltd.
- Active noise reduction method and hearing aid device11 Jun 2026US 2026/0162645 A1Anker Innovations Technology Co., Ltd.
Most cited
By later US patents
- Multiple adaptive filter active noise canceller107US 5,425,105 AHughes Aircraft Company · 1995
- Adaptive control system104US 5,768,124 ALotus Cars Limited · 1998
- Multichannel acoustic echo cancellation for wireless applications67US 9,997,151 B1Amazon Technologies, Inc. · 2018
- Methods and device for attenuating spurious noise66US 4,594,695 AThomson-CSF · 1986
- Method and apparatus for cancelling vibrations62US 4,490,841 ASound Attenuators Limited · 1984