G10K 11/17875
Using an error signal without a reference signal
Official title: {using an error signal without a reference signal, e.g. pure feedback}
G10K11/17875 (Using an error signal without a reference signal) appears on 406 US grants and 418 published applications in this corpus.
Search patents in G10K- Granted patents
- 406
- Published applications
- 418
- Assignees
- 226
- Inventors
- 784
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
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| 1992 | 5 | 0 |
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| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 4 |
| 2002 | 4 | 6 |
| 2003 | 4 | 9 |
| 2004 | 5 | 4 |
| 2005 | 4 | 7 |
| 2006 | 5 | 4 |
| 2007 | 1 | 14 |
| 2008 | 4 | 15 |
| 2009 | 4 | 10 |
| 2010 | 2 | 14 |
| 2011 | 6 | 9 |
| 2012 | 22 | 14 |
| 2013 | 10 | 16 |
| 2014 | 10 | 10 |
| 2015 | 17 | 21 |
| 2016 | 18 | 30 |
| 2017 | 38 | 36 |
| 2018 | 21 | 29 |
| 2019 | 33 | 24 |
| 2020 | 27 | 26 |
| 2021 | 24 | 19 |
| 2022 | 17 | 21 |
| 2023 | 21 | 27 |
| 2024 | 17 | 23 |
| 2025 | 16 | 17 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Audio processing circuit using leakage detection to control one or more adaptive non-active noise control filters and associated method13 Aug 2026US 2026/0237374 A1Airoha Technology Corp.
- Methods and systems for active noise control in an audio playback device16 Jul 2026US 2026/0204247 A1Samsung Electronics Co., Ltd.
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Most cited
By later US patents
- Noise cancellation earpiece216US 6,445,799 B1GN ReSound North America Corporation · 2002
- Snoring suppression system139US 5,444,786 ASNAP Laboratories, L.L.C. · 1995
- Active noise cancellation aircraft headset system139US 6,278,786 B1Telex Communications, Inc. · 2001
- Audio reproduction system127US 5,481,615 ANoise Cancellation Technologies, Inc. · 1996
- Noise cancelling systems123US 5,937,070 A1999