G11B 20/24
Signal processing not specific to the method of recording or reproducing: for
Official title: for reducing noise {(control of amplification in general, e.g. dependent upon noise level H03G)}
G11B20/24 (Signal processing not specific to the method of recording or reproducing: for) appears on 268 US grants and 127 published applications in this corpus.
Search patents in G11B- Granted patents
- 268
- Published applications
- 127
- Assignees
- 125
- Inventors
- 530
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 14 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 3 |
| 2002 | 10 | 15 |
| 2003 | 7 | 6 |
| 2004 | 11 | 15 |
| 2005 | 10 | 15 |
| 2006 | 13 | 12 |
| 2007 | 6 | 8 |
| 2008 | 4 | 6 |
| 2009 | 3 | 7 |
| 2010 | 10 | 8 |
| 2011 | 13 | 6 |
| 2012 | 8 | 3 |
| 2013 | 7 | 4 |
| 2014 | 7 | 4 |
| 2015 | 2 | 3 |
| 2016 | 6 | 1 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 4 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Data storage device with rapid in-field repeatable runout noise removal calibration1 Apr 2025US 12,266,386 B2Western Digital Technologies, Inc.
- Hard disk drive (HDD) with acoustic noise detection4 Mar 2025US 12,243,559 B1Marvell Asia Pte Ltd
- Magnetic recording device20 Aug 2024US 12,068,004 B2Kabushiki Kaisha Toshiba
- Electronic device and method for recording audio data acquired from multiple devices23 Jul 2024US 12,047,444 B2Samsung Electronics Co., Ltd.
- System and method for detecting and removing periodic non-physiological artifact from evoked potentials21 May 2024US 11,986,321 B2SafeOp Surgical, Inc.
- Data storage device with rapid in-field repeatable runout noise removal calibration29 Aug 2024US 2024/0290348 A1Western Digital Technologies, Inc.
- System and method for detecting and removing periodic non-physiological artifact from evoked potentials8 Aug 2024US 2024/0260903 A1SafeOp Surgical, Inc.
- Magnetic recording device13 Jun 2024US 2024/0194223 A1Kabushiki Kaisha Toshiba
- Electronic device and method for recording audio data acquired from multiple devices3 Nov 2022US 2022/0353330 A1Samsung Electronics Co., Ltd.
- Noise cancellation with improved frequency resolution21 Jan 2021US 2021/0020155 A1Silencer Devices, LLC.
Most cited
By later US patents
- Information retrieval system and apparatus251US 4,536,866 AVideonics of Hawaii, Inc. · 1985
- Method and apparatus for automatic control of electronic equipment184US 4,475,153 ASony Corporation · 1984
- Noise reduction circuitry for audio signals141US 4,462,048 ARCA Corporation · 1984
- Thermal asperity compensation for PRML data detection101US 5,233,482 AInternational Business Machines Corporation · 1993
- Recording and reproducing apparatus101US 5,473,584 AMatsushita Electric Industrial Co., Ltd. · 1995