G11B 2020/1457
Wherein dc control is performed by calculating a digital sum value [dsv]
Official title: {wherein DC control is performed by calculating a digital sum value [DSV]}
G11B2020/1457 (Wherein dc control is performed by calculating a digital sum value [dsv]) appears on 171 US grants and 191 published applications in this corpus.
Search patents in G11B- Granted patents
- 171
- Published applications
- 191
- Assignees
- 70
- Inventors
- 264
- Latest grant
- 25 Sep 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 13 |
| 2003 | 11 | 15 |
| 2004 | 10 | 18 |
| 2005 | 18 | 35 |
| 2006 | 29 | 25 |
| 2007 | 18 | 52 |
| 2008 | 15 | 9 |
| 2009 | 15 | 8 |
| 2010 | 16 | 5 |
| 2011 | 8 | 6 |
| 2012 | 5 | 0 |
| 2013 | 3 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for line coding25 Sep 2018US 10,084,570 B2Rockley Photonics Limited
- Information storage device with multiple-use fields in servo pattern5 Jul 2016US 9,384,779 B2HGST Netherlands B. V.
- Method for correcting DC characteristics in a magnetic recording system20 Oct 2015US 9,165,599 B1Marvell International Ltd.
- Iterative decoder systems and methods10 Mar 2015US 8,977,941 B2Marvell World Trade Ltd.
- System for correcting DC characteristics of a magnetic recording system8 Jul 2014US 8,773,786 B1Marvell International Ltd.
- System and method for line coding10 Aug 2017US 2017/0230143 A1Rockley Photonics Limited
- Iterative decoder systems and methods22 May 2014US 2014/0143641 A1Marvell World Trade Ltd.
- Iterative decoder systems and methods19 Sep 2013US 2013/0246879 A1Marvell World Trade Ltd.
- Data demodulating device, data demodulating method, and program15 Dec 2011US 2011/0304936 A1Sony Corporation
- Encoding apparatus and method, recording apparatus and method, and decoding apparatus and method10 Nov 2011US 2011/0273976 A1Sony Corporation
Most cited
By later US patents
- Method of inhibiting copying of digital data48US 5,699,434 AHewlett-Packard Company · 1997
- Optical disk having a particular format to store user-selected data, such as video data or computer files, including a dedicated TOC region39US 5,715,355 ASony Corporation · 1998
- Computer program for implementing a modulation method and a demodulation method therefor37US 6,690,308 B2Victor Company of Japan, Ltd. · 2004
- Sequence error event detection and correction using fixed block digital sum codes33US 5,938,790 ASilicon Systems Research Limited · 1999
- Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method33US 6,879,637 B1Sony Corporation · 2005