G11B 20/10203
Baseline correction
Official title: {baseline correction (DC correction by choosing codewords of the modulation code G11B20/1426)}
G11B20/10203 (Baseline correction) appears on 237 US grants and 127 published applications in this corpus.
Search patents in G11B- Granted patents
- 237
- Published applications
- 127
- Assignees
- 89
- Inventors
- 359
- Latest grant
- 27 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 13 | 3 |
| 2002 | 7 | 12 |
| 2003 | 8 | 10 |
| 2004 | 10 | 10 |
| 2005 | 6 | 10 |
| 2006 | 9 | 7 |
| 2007 | 13 | 13 |
| 2008 | 12 | 15 |
| 2009 | 18 | 14 |
| 2010 | 10 | 11 |
| 2011 | 24 | 12 |
| 2012 | 12 | 4 |
| 2013 | 8 | 3 |
| 2014 | 12 | 3 |
| 2015 | 5 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for providing an output signal without or with reduced jitter based upon an input signal notwithstanding phase changes in a clock signal27 Mar 2018US 9,928,870 B1NXP B. V.
- Adaptive correction of symmetrical and asymmetrical saturation in magnetic recording devices5 Apr 2016US 9,305,591 B2Quantum Corporation
- Method for correcting DC characteristics in a magnetic recording system20 Oct 2015US 9,165,599 B1Marvell International Ltd.
- Channel decoder and method for generating equalized data and data estimates based on multiple sets of depths provided via a viterbi algorithm5 May 2015US 9,026,894 B1Marvell International Ltd.
- Method and apparatus for offset and gain correction7 Apr 2015US 9,001,631 B2Marvell World Trade Ltd.
- Adaptive correction of symmetrical and asymmetrical saturation in magnetic recording devices9 Oct 2014US 2014/0300986 A1Quantum Corporation
- Adaptive servo address mark detection22 May 2014US 2014/0139939 A1LSI Corporation
- Method and apparatus for offset and gain correction8 May 2014US 2014/0126342 A1Marvell World Trade Ltd.
- Adaptive Correction of Symmetrical and Asymmetrical Saturation in Magnetic Recording Devices28 Mar 2013US 2013/0077187 A1Quantum Corporation
- Systems and Methods for Early Stage Noise Compensation in a Detection Channel24 Jan 2013US 2013/0024163 A1LSI Corporation
Most cited
By later US patents
- Apparatus, signal-processing circuit and device for magnetic recording system154US 7,502,189 B2Hitachi Global Storage Technologies Japan, Ltd. · 2009
- Baseline wander compensation for perpendicular recording77US 7,308,057 B1Maxtor Corporation · 2007
- Read channel apparatus and method for an optical storage system72US 7,308,061 B1Mediatek Inc. · 2007
- Real-time DC offset control and associated method67US 5,459,679 AQuantum Corporation · 1995
- DC-offset compensation loops for magnetic recording system67US 7,116,504 B1Marvell International Ltd. · 2006