G11B 20/10111
Partial response pr
Official title: {partial response PR(1,2,2,1)}
G11B20/10111 (Partial response pr) appears on 117 US grants and 126 published applications in this corpus.
Search patents in G11B- Granted patents
- 117
- Published applications
- 126
- Assignees
- 30
- Inventors
- 113
- Latest grant
- 8 Jul 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 5 |
| 2002 | 2 | 6 |
| 2003 | 2 | 7 |
| 2004 | 8 | 4 |
| 2005 | 7 | 11 |
| 2006 | 6 | 16 |
| 2007 | 12 | 35 |
| 2008 | 28 | 10 |
| 2009 | 8 | 13 |
| 2010 | 11 | 8 |
| 2011 | 11 | 9 |
| 2012 | 9 | 1 |
| 2013 | 4 | 0 |
| 2014 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Information recording and reproducing device and method for determining deterioration of information recorded in a recording medium8 Jul 2014US 8,773,962 B2Panasonic Corporation
- Encoding device, encoding method, recording device, recording method, optical recording medium, decoding device and decoding method13 May 2014US 8,724,441 B2Sony Corporation
- Viterbi detector and information reproducing apparatus3 Dec 2013US 8,599,670 B2NEC Corporation
- Optical recording medium, optical recording medium manufacturing method, reproduction signal processing method and evaluation method22 Oct 2013US 8,565,054 B2Panasonic Corporation
- Target level setting method for a signal used in maximum-likelihood decoding in PRML processing of a signal reproduced from an optical information recording medium, playback device for an optical information recording medium, and target level setting program for a signal used in maximum-likelihood decoding in PRML processing30 Jul 2013US 8,498,188 B2Taiyo Yuden Co., Ltd.
- Information recording and reproducing device and information recording and reproducing method27 Mar 2014US 2014/0086032 A1Panasonic Corporation
- Optical disk reproducing apparatus13 Sep 2012US 2012/0230173 A1
- Coding apparatus, coding method, recording apparatus, recording method, decoding apparatus, and decoding method10 Nov 2011US 2011/0273972 A1Sony Corporation
- Encoding device, encoding method, recording device, recording method, optical recording medium, decoding device and decoding method10 Nov 2011US 2011/0276990 A1Sony Corporation
- Optical disk reproducing apparatus22 Sep 2011US 2011/0228662 A1Renesas Electronics Corporation
Most cited
By later US patents
- PLL circuit, data detection circuit and disk apparatus62US 6,788,484 B2NEC Corporation · 2004
- Reproducing apparatus51US 6,445,662 B1Victor Company of Japan, Ltd. · 2002
- PRML decoder for processing different channel codes with reduced hardware35US 6,111,835 ANEC Corporation · 2000
- System for reproducing data with increased accuracy by reducing difference between sampled and expected values32US 6,603,722 B1Fujitsu Limited · 2003
- Information recording and reproducing apparatus30US 5,563,864 ASeiko Epson Corporation · 1996