G11B 20/10212
Compensation for data shift
Official title: {compensation for data shift, e.g. pulse-crowding effects}
G11B20/10212 (Compensation for data shift) appears on 280 US grants and 157 published applications in this corpus.
Search patents in G11B- Granted patents
- 280
- Published applications
- 157
- Assignees
- 99
- Inventors
- 450
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 18 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 10 |
| 2003 | 11 | 9 |
| 2004 | 11 | 12 |
| 2005 | 7 | 10 |
| 2006 | 5 | 15 |
| 2007 | 8 | 20 |
| 2008 | 19 | 10 |
| 2009 | 12 | 12 |
| 2010 | 10 | 17 |
| 2011 | 17 | 7 |
| 2012 | 17 | 10 |
| 2013 | 11 | 2 |
| 2014 | 8 | 3 |
| 2015 | 8 | 8 |
| 2016 | 10 | 7 |
| 2017 | 6 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Signal processing device, signal processing method, and program5 Sep 2023US 11,749,307 B2Sony Group Corporation
- Timing loop for adjacent track interference cancellation11 Feb 2020US 10,559,321 B1Seagate Technology LLC
- Magnetic recording device capable of adjusting high frequency patterns of first and second polarities4 Dec 2018US 10,147,457 B1Kabushiki Kaisha Toshiba
- Optical medium reproduction apparatus and method of reproducing optical medium20 Nov 2018US 10,134,438 B2Sony Corporation
- Multi-track data readers with iterative inter-track interference cancellation10 Oct 2017US 9,786,316 B2Avago Technologies General IP (Singapore) Pte. Ltd.
- Signal processing device, signal processing method, and program9 Feb 2023US 2023/0043380 A1Sony Group Corporation
- Multi-Track Data Processor With Iterative Inter-Track Interference Cancellation8 Jun 2017US 2017/0162224 A1Avago Technologies General IP (Singapore) Pte. Ltd.
- Magnetic disk device and write control method2 Mar 2017US 2017/0062002 A1Kabushiki Kaisha Toshiba
- Write encroachment mitigation system29 Dec 2016US 2016/0379680 A1Seagate Technology LLC
- Systems and Methods for Side-Track Aided Data Recovery27 Oct 2016US 2016/0314814 A1Avago Technologies General IP (Singapore) Pte. Ltd.
Most cited
By later US patents
- Disk drive adapting target values of a sequence detector relative to bit error rate of the sequence detector134US 7,898,756 B1Western Digital Technologies, Inc. · 2011
- Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus87US 5,418,770 AHitachi, Ltd. · 1995
- Recording method using trial write test pattern70US 5,732,061 AHitachi, Ltd. · 1998
- Shift correcting code for channel encoded data64US 5,220,568 AEastman Kodak Company · 1993
- Magnetooptic disc apparatus and recording medium64US 5,642,343 AHitachi, Ltd. · 1997