G11B 2020/1434
8 to 9 modulation
Official title: {8 to 9 modulation}
G11B2020/1434 (8 to 9 modulation) appears on 47 US grants and 10 published applications in this corpus.
Search patents in G11B- Granted patents
- 47
- Published applications
- 10
- Assignees
- 17
- Inventors
- 59
- Latest grant
- 27 Mar 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 5 |
| 2003 | 7 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data27 Mar 2007US 7,196,999 B2Sony Corporation
- Rate-13/15 maximum transition run code encoding and decoding method and apparatus6 Jun 2006US 7,057,536 B2Samsung Electronics Co., Ltd.
- Method and apparatus for encoding data to guarantee isolated transitions in a magnetic recording system10 Jan 2006US 6,985,320 B2International Business Machines Corporation
- Data modulation method, and recording and reproducing apparatuses and methods adopting the data modulation method16 Aug 2005US 6,930,619 B2Samsung Electronics Co., Ltd.
- Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data28 Sep 2004US 6,798,593 B2Sony Corporation
- Rate-13/15 maximum transition run code encoding and decoding method and apparatus11 Aug 2005US 2005/0174262 A1Samsung Electronics Co., Ltd.
- Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data23 Dec 2004US 2004/0260999 A1
- Method and apparatus for encoding data to guarantee isolated transitions in a magnetic recording system3 Jul 2003US 2003/0123173 A1International Business Machine Corporation
- Data modulation method, and recording and reproducing apparatuses and methods adopting the data modulation method8 Aug 2002US 2002/0105884 A1Samsung Electronics Co., Ltd.
- Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data16 May 2002US 2002/0057640 A1Sony Corporation
Most cited
By later US patents
- Method and apparatus for implementing PRML codes with maximum ones43US 5,196,849 AInternational Business Machines Corporation · 1993
- Methods and apparatus for implementing run-length limited and maximum transition run codes42US 6,241,778 B1Lucent Technologies Inc. · 2001
- Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel41US 5,635,933 AQuantum Corporation · 1997
- Rate 24/25 modulation code for PRML recording channels41US 5,757,294 AQuantum Corporation · 1998
- Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ECC39US 5,757,822 AQuantum Corporation · 1998