G11B 20/1426
Conversion to or from block codes or representations thereof
Official title: {conversion to or from block codes or representations thereof}
G11B20/1426 (Conversion to or from block codes or representations thereof) appears on 1,468 US grants and 864 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,468
- Published applications
- 864
- Assignees
- 257
- Inventors
- 1,562
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 24 | 0 |
| 1986 | 19 | 0 |
| 1987 | 15 | 0 |
| 1988 | 7 | 0 |
| 1989 | 21 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 21 | 0 |
| 1993 | 25 | 0 |
| 1994 | 33 | 0 |
| 1995 | 31 | 0 |
| 1996 | 48 | 0 |
| 1997 | 49 | 0 |
| 1998 | 65 | 0 |
| 1999 | 58 | 0 |
| 2000 | 64 | 0 |
| 2001 | 74 | 27 |
| 2002 | 70 | 89 |
| 2003 | 83 | 81 |
| 2004 | 66 | 102 |
| 2005 | 54 | 104 |
| 2006 | 112 | 93 |
| 2007 | 113 | 150 |
| 2008 | 95 | 84 |
| 2009 | 60 | 49 |
| 2010 | 48 | 26 |
| 2011 | 44 | 17 |
| 2012 | 28 | 8 |
| 2013 | 21 | 6 |
| 2014 | 9 | 8 |
| 2015 | 7 | 2 |
| 2016 | 9 | 4 |
| 2017 | 7 | 4 |
| 2018 | 3 | 2 |
| 2019 | 5 | 5 |
| 2020 | 4 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- G11B 2020/1457Wherein dc control is performed by calculating a digital sum value [dsv]Indexing code171
- G11B 2020/14618 to 14 modulationIndexing code123
- G11B 2020/145317pp modulation, i.e. the parity preserving rll code with rate 2/3 usedIndexing code54
- G11B 2020/14658 to 16 modulationIndexing code49
- G11B 2020/14348 to 9 modulationIndexing code47
- G11B 2020/144616 to 17 modulationIndexing code44
- G11B 2020/1469Modulation code with one or more merging bits between consecutive codewordsIndexing code35
- G11B 2020/14388 to 10 modulationIndexing code27
Recent patents
- Decoding device, decoding method, program, encoding device, and encoding method7 Jan 2025US 12,190,894 B2Sony Group Corporation
- Partial reverse concatenation for data storage devices using composite codes5 Jul 2022US 11,381,258 B2Awemane Ltd.
- Phase interpolator17 Nov 2020US 10,840,924 B2Micron Technology, Inc.
- Partial reverse concatenation for data storage devices using composite codes9 Jun 2020US 10,680,655 B2International Business Machines Corporation
- Decoder circuit for a broadband pulse amplitude modulation signal17 Mar 2020US 10,594,523 B2Tetra Semiconductor AG
- Decoding device, decoding method, program, encoding device, and encoding method22 May 2025US 2025/0166635 A1Sony Group Corporation
- Decoding device, decoding method, program, encoding device, and encoding method11 May 2023US 2023/0145547 A1Sony Group Corporation
- Partial reverse concatenation for data storage devices using composite codes14 May 2020US 2020/0153460 A1International Business Machines Corporation
- Phase interpolator28 Nov 2019US 2019/0363723 A1Micron Technology, Inc.
- Decoder circuit for a broadband pulse amplitude modulation signal27 Jun 2019US 2019/0199560 A1Tetra Semiconductors AG
Most cited
By later US patents
- Disk storage system employing error detection and correction of channel coded data, interpolated timing recovery, and retroactive/split-segment symbol synchronization180US 6,009,549 ACirrus Logic, Inc. · 1999
- Sub-sampled discrete time read channel for computer storage systems169US 5,802,118 ACirrus Logic, Inc. · 1998
- Disk drive employing vector addition of primary phase write clock signals for generating secondary phase write clock signal166US 6,337,778 B12002
- Thermal asperity compensation using multiple sync marks for retroactive and split segment data synchronization in a magnetic disk storage system155US 5,844,920 ACirrus Logic, Inc. · 1998
- Phase locked loop employing a fractional frequency synthesizer as a variable oscillator155US 6,710,951 B1Western Digital Technologies, Inc. · 2004