G11B 20/22
Signal processing not specific to the method of recording or reproducing: for
Official title: for reducing distortions
G11B20/22 (Signal processing not specific to the method of recording or reproducing: for) appears on 389 US grants and 250 published applications in this corpus.
Search patents in G11B- Granted patents
- 389
- Published applications
- 250
- Assignees
- 165
- Inventors
- 712
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 14 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 14 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 5 |
| 2002 | 6 | 13 |
| 2003 | 12 | 15 |
| 2004 | 12 | 32 |
| 2005 | 9 | 32 |
| 2006 | 20 | 38 |
| 2007 | 24 | 26 |
| 2008 | 15 | 23 |
| 2009 | 24 | 18 |
| 2010 | 21 | 9 |
| 2011 | 24 | 9 |
| 2012 | 12 | 9 |
| 2013 | 13 | 4 |
| 2014 | 8 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 5 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Data storage device compensating for magnetic tape distortion when shingle writing data tracks20 Dec 2022US 11,532,330 B1Western Digital Technologies, Inc.
- Magnetic disk device and method of controlling the same2 Feb 2021US 10,910,012 B1Kabushiki Kaisha Toshiba
- Set buffer state instruction30 Jun 2020US 10,698,845 B2International Business Machines Corporation
- Audio digitization20 Aug 2019US 10,388,306 B2Blackmagic Design Pty Ltd
- Set buffer state instruction5 Mar 2019US 10,223,300 B2International Business Machines Corporation
- Magnetic disk device27 Apr 2023US 2023/0127221 A1Kabushiki Kaisha Toshiba
- Magnetic disk device3 Feb 2022US 2022/0036923 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and method of controlling the same25 Feb 2021US 2021/0056997 A1Kabushiki Kaisha Toshiba
- Clocking scheme in nonlinear systems for distortion improvement16 Jan 2020US 2020/0021250 A1MaxLinear, Inc.
- Set buffer state instruction13 Jun 2019US 2019/0179780 A1International Business Machines Corporation
Most cited
By later US patents
- Information retrieval system and apparatus251US 4,536,866 AVideonics of Hawaii, Inc. · 1985
- Hard disk drive having a built-in self-test for measuring non-linear signal distortion183US 6,208,477 B1Western Digital Corporation · 2001
- Interface circuit and optical disk manufacturing system that uses same157US 6,343,028 B12002
- Multichannel digital recording system with multi-user detection118US 6,826,140 B2BAE Systems Information and Electronic Systems Integration Inc. · 2004
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005