G10K 11/17873
Using a reference signal without an error signal
Official title: {using a reference signal without an error signal, e.g. pure feedforward}
G10K11/17873 (Using a reference signal without an error signal) appears on 797 US grants and 950 published applications in this corpus.
Search patents in G10K- Granted patents
- 797
- Published applications
- 950
- Assignees
- 446
- Inventors
- 1,878
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 9 |
| 2003 | 3 | 12 |
| 2004 | 4 | 10 |
| 2005 | 9 | 8 |
| 2006 | 7 | 5 |
| 2007 | 5 | 7 |
| 2008 | 7 | 17 |
| 2009 | 4 | 29 |
| 2010 | 6 | 27 |
| 2011 | 9 | 15 |
| 2012 | 17 | 19 |
| 2013 | 15 | 22 |
| 2014 | 18 | 17 |
| 2015 | 25 | 37 |
| 2016 | 32 | 50 |
| 2017 | 56 | 49 |
| 2018 | 41 | 45 |
| 2019 | 50 | 46 |
| 2020 | 55 | 85 |
| 2021 | 74 | 80 |
| 2022 | 64 | 81 |
| 2023 | 64 | 85 |
| 2024 | 61 | 76 |
| 2025 | 70 | 77 |
| 2026 | 39 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Acoustic system for use in an interior of an aircraft, aircraft seat, aircraft bed, and aircraft22 Sep 2026US 12,744,027 B2Aircraft Cabin Modification GmbH
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- An open-air noise cancellation system and a method to operate the same27 Aug 2026US 2026/0253570 A1
- Multi-Domain Processing for Active Noise Cancellation13 Aug 2026US 2026/0237372 A1Google Inc.
- Multi-Rate Processing for Active Noise Cancellation13 Aug 2026US 2026/0237373 A1Google Inc.
- 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
Most cited
By later US patents
- Acoustic abatement method and apparatus119US 3,936,606 A1976
- Electroacoustic device for hearing needs including noise cancellation115US 5,117,461 AMNC, Inc. · 1992
- Noise cancellation apparatus112US 6,061,456 AAndrea Electronics Corporation · 2000
- Low-delay signal processing based on highly oversampled digital processing100US 7,365,669 B1Cirrus Logic, Inc. · 2008
- Noise cancellation apparatus87US 5,732,143 AAndrea Electronics Corporation · 1998